octave-lyh: src/data.cc annotate

annotate src/data.cc @ 10268:9a16a61ed43d

new optimizations for accumarray

author	Jaroslav Hajek <highegg@gmail.com>
date	Fri, 05 Feb 2010 12:09:21 +0100
parents	fa7b5751730c
children	217d36560dfa

rev	line source
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1 /*
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2
7017 a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	3 Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
9428 b317debeb828 data.cc (Fones, Fzeros, Ftrue, Ffalse): update docstring John W. Eaton <jwe@octave.org> parents: 9351 diff changeset	4 2003, 2004, 2005, 2006, 2007, 2008, 2009 John W. Eaton
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5 Copyright (C) 2009 Jaroslav Hajek
9513 9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6 Copyright (C) 2009 VZLU Prague
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	7
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	8 This file is part of Octave.
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	9
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	10 Octave is free software; you can redistribute it and/or modify it
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	11 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	12 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	13 option) any later version.
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	14
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	15 Octave is distributed in the hope that it will be useful, but WITHOUT
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	18 for more details.
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	19
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	20 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	21 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	22 <http://www.gnu.org/licenses/>.
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	23
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	24 */
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	25
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	26 #ifdef HAVE_CONFIG_H
1192 b6360f2d4fa6 [project @ 1995-03-30 21:38:35 by jwe] jwe parents: 1129 diff changeset	27 #include <config.h>
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	28 #endif
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	29
7078 405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7065 diff changeset	30 #include <sys/types.h>
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7065 diff changeset	31
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7065 diff changeset	32 #ifdef HAVE_SYS_RESOURCE_H
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7065 diff changeset	33 #include <sys/resource.h>
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7065 diff changeset	34 #endif
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7065 diff changeset	35
2184 dbbbb3559ee8 [project @ 1996-05-14 02:18:22 by jwe] jwe parents: 2086 diff changeset	36 #include <cfloat>
dbbbb3559ee8 [project @ 1996-05-14 02:18:22 by jwe] jwe parents: 2086 diff changeset	37
1728 42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe] jwe parents: 1572 diff changeset	38 #include <string>
42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe] jwe parents: 1572 diff changeset	39
2184 dbbbb3559ee8 [project @ 1996-05-14 02:18:22 by jwe] jwe parents: 2086 diff changeset	40 #include "lo-ieee.h"
7231 2eb392d058bb [project @ 2007-11-30 18:53:29 by jwe] jwe parents: 7189 diff changeset	41 #include "lo-math.h"
10240 fa7b5751730c use gnulib time, sys_time, and sys_times modules John W. Eaton <jwe@octave.org> parents: 10185 diff changeset	42 #include "oct-time.h"
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1742 diff changeset	43 #include "str-vec.h"
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4114 diff changeset	44 #include "quit.h"
9658 3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	45 #include "mx-base.h"
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1742 diff changeset	46
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	47 #include "Cell.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1315 diff changeset	48 #include "defun.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1315 diff changeset	49 #include "error.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1315 diff changeset	50 #include "gripes.h"
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	51 #include "oct-map.h"
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	52 #include "oct-obj.h"
2366 c90105b99479 [project @ 1996-10-11 23:22:27 by jwe] jwe parents: 2305 diff changeset	53 #include "ov.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	54 #include "ov-float.h"
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	55 #include "ov-complex.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	56 #include "ov-flt-complex.h"
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	57 #include "ov-cx-mat.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	58 #include "ov-flt-cx-mat.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	59 #include "ov-cx-sparse.h"
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	60 #include "parse.h"
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	61 #include "pt-mat.h"
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	62 #include "utils.h"
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	63 #include "variables.h"
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	64 #include "pager.h"
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	65 #include "xnorm.h"
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	66
7914 e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7815 diff changeset	67 #if ! defined (HAVE_HYPOTF) && defined (HAVE__HYPOTF)
e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7815 diff changeset	68 #define hypotf _hypotf
e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7815 diff changeset	69 #define HAVE_HYPOTF 1
e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7815 diff changeset	70 #endif
e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7815 diff changeset	71
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	72 #define ANY_ALL(FCN) \
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	73 \
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4176 diff changeset	74 octave_value retval; \
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	75 \
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	76 int nargin = args.length (); \
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	77 \
4021 963507f8caf4 [project @ 2002-08-05 22:22:16 by jwe] jwe parents: 4015 diff changeset	78 if (nargin == 1 \|\| nargin == 2) \
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	79 { \
4021 963507f8caf4 [project @ 2002-08-05 22:22:16 by jwe] jwe parents: 4015 diff changeset	80 int dim = (nargin == 1 ? -1 : args(1).int_value (true) - 1); \
963507f8caf4 [project @ 2002-08-05 22:22:16 by jwe] jwe parents: 4015 diff changeset	81 \
963507f8caf4 [project @ 2002-08-05 22:22:16 by jwe] jwe parents: 4015 diff changeset	82 if (! error_state) \
963507f8caf4 [project @ 2002-08-05 22:22:16 by jwe] jwe parents: 4015 diff changeset	83 { \
4556 773a21e4fce8 [project @ 2003-10-28 05:02:10 by jwe] jwe parents: 4554 diff changeset	84 if (dim >= -1) \
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	85 retval = args(0).FCN (dim); \
4021 963507f8caf4 [project @ 2002-08-05 22:22:16 by jwe] jwe parents: 4015 diff changeset	86 else \
963507f8caf4 [project @ 2002-08-05 22:22:16 by jwe] jwe parents: 4015 diff changeset	87 error (#FCN ": invalid dimension argument = %d", dim + 1); \
963507f8caf4 [project @ 2002-08-05 22:22:16 by jwe] jwe parents: 4015 diff changeset	88 } \
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	89 else \
4021 963507f8caf4 [project @ 2002-08-05 22:22:16 by jwe] jwe parents: 4015 diff changeset	90 error (#FCN ": expecting dimension argument to be an integer"); \
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	91 } \
4021 963507f8caf4 [project @ 2002-08-05 22:22:16 by jwe] jwe parents: 4015 diff changeset	92 else \
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	93 print_usage (); \
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	94 \
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	95 return retval
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	96
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	97 DEFUN (all, args, ,
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	98 "-- texinfo --\n\
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	99 @deftypefn {Built-in Function} {} all (@var{x}, @var{dim})\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	100 The function @code{all} behaves like the function @code{any}, except\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	101 that it returns true only if all the elements of a vector, or all the\n\
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	102 elements along dimension @var{dim} of a matrix, are nonzero.\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	103 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	104 {
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	105 ANY_ALL (all);
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	106 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	107
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	108 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	109
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	110 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	111 %! x = ones (3);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	112 %! x(1,1) = 0;
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	113 %! assert((all (all (rand (3) + 1) == [1, 1, 1]) == 1
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	114 %! && all (all (x) == [0, 1, 1]) == 1
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	115 %! && all (x, 1) == [0, 1, 1]
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	116 %! && all (x, 2) == [0; 1; 1]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	117
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	118 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	119 %! x = ones (3, 'single');
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	120 %! x(1,1) = 0;
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	121 %! assert((all (all (single (rand (3) + 1)) == [1, 1, 1]) == 1
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	122 %! && all (all (x) == [0, 1, 1]) == 1
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	123 %! && all (x, 1) == [0, 1, 1]
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	124 %! && all (x, 2) == [0; 1; 1]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	125
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	126 %!error <Invalid call to all.*> all ();
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	127 %!error <Invalid call to all.*> all (1, 2, 3);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	128
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	129 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	130
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	131 DEFUN (any, args, ,
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	132 "-- texinfo --\n\
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	133 @deftypefn {Built-in Function} {} any (@var{x}, @var{dim})\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	134 For a vector argument, return 1 if any element of the vector is\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	135 nonzero.\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	136 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	137 For a matrix argument, return a row vector of ones and\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	138 zeros with each element indicating whether any of the elements of the\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	139 corresponding column of the matrix are nonzero. For example,\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	140 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	141 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	142 @group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	143 any (eye (2, 4))\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	144 @result{} [ 1, 1, 0, 0 ]\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	145 @end group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	146 @end example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	147 \n\
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	148 If the optional argument @var{dim} is supplied, work along dimension\n\
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	149 @var{dim}. For example,\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	150 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	151 @example\n\
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	152 @group\n\
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	153 any (eye (2, 4), 2)\n\
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	154 @result{} [ 1; 1 ]\n\
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	155 @end group\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	156 @end example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	157 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	158 {
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	159 ANY_ALL (any);
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	160 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	161
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	162 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	163
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	164 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	165 %! x = zeros (3);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	166 %! x(3,3) = 1;
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	167 %! assert((all (any (x) == [0, 0, 1]) == 1
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	168 %! && all (any (ones (3)) == [1, 1, 1]) == 1
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	169 %! && any (x, 1) == [0, 0, 1]
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	170 %! && any (x, 2) == [0; 0; 1]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	171
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	172 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	173 %! x = zeros (3,'single');
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	174 %! x(3,3) = 1;
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	175 %! assert((all (any (x) == [0, 0, 1]) == 1
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	176 %! && all (any (ones (3, 'single')) == [1, 1, 1]) == 1
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	177 %! && any (x, 1) == [0, 0, 1]
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	178 %! && any (x, 2) == [0; 0; 1]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	179
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	180 %!error <Invalid call to any.*> any ();
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	181 %!error <Invalid call to any.*> any (1, 2, 3);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	182
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	183 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	184
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	185 // These mapping functions may also be useful in other places, eh?
1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	186
1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	187 typedef double (*d_dd_fcn) (double, double);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	188 typedef float (*f_ff_fcn) (float, float);
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	189
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	190 static NDArray
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	191 map_d_m (d_dd_fcn f, double x, const NDArray& y)
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	192 {
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	193 NDArray retval (y.dims ());
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	194 double *r_data = retval.fortran_vec ();
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	195
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	196 const double *y_data = y.data ();
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	197
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	198 octave_idx_type nel = y.numel ();
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	199
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	200 for (octave_idx_type i = 0; i < nel; i++)
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	201 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10076 diff changeset	202 octave_quit ();
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	203 r_data[i] = f (x, y_data[i]);
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	204 }
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	205
1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	206 return retval;
1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	207 }
1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	208
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	209 static FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	210 map_f_fm (f_ff_fcn f, float x, const FloatNDArray& y)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	211 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	212 FloatNDArray retval (y.dims ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	213 float *r_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	214
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	215 const float *y_data = y.data ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	216
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	217 octave_idx_type nel = y.numel ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	218
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	219 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	220 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10076 diff changeset	221 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	222 r_data[i] = f (x, y_data[i]);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	223 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	224
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	225 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	226 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	227
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	228 static NDArray
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	229 map_m_d (d_dd_fcn f, const NDArray& x, double y)
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	230 {
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	231 NDArray retval (x.dims ());
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	232 double *r_data = retval.fortran_vec ();
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	233
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	234 const double *x_data = x.data ();
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	235
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	236 octave_idx_type nel = x.numel ();
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	237
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	238 for (octave_idx_type i = 0; i < nel; i++)
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	239 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10076 diff changeset	240 octave_quit ();
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	241 r_data[i] = f (x_data[i], y);
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	242 }
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	243
1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	244 return retval;
1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	245 }
1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	246
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	247 static FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	248 map_fm_f (f_ff_fcn f, const FloatNDArray& x, float y)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	249 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	250 FloatNDArray retval (x.dims ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	251 float *r_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	252
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	253 const float *x_data = x.data ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	254
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	255 octave_idx_type nel = x.numel ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	256
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	257 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	258 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10076 diff changeset	259 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	260 r_data[i] = f (x_data[i], y);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	261 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	262
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	263 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	264 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	265
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	266 static NDArray
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	267 map_m_m (d_dd_fcn f, const NDArray& x, const NDArray& y)
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	268 {
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	269 assert (x.dims () == y.dims ());
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	270
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	271 NDArray retval (x.dims ());
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	272 double *r_data = retval.fortran_vec ();
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	273
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	274 const double *x_data = x.data ();
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	275 const double *y_data = y.data ();
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	276
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	277 octave_idx_type nel = x.numel ();
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	278
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	279 for (octave_idx_type i = 0; i < nel; i++)
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	280 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10076 diff changeset	281 octave_quit ();
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	282 r_data[i] = f (x_data[i], y_data[i]);
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	283 }
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	284
1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	285 return retval;
1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	286 }
1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	287
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	288 static FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	289 map_fm_fm (f_ff_fcn f, const FloatNDArray& x, const FloatNDArray& y)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	290 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	291 assert (x.dims () == y.dims ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	292
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	293 FloatNDArray retval (x.dims ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	294 float *r_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	295
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	296 const float *x_data = x.data ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	297 const float *y_data = y.data ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	298
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	299 octave_idx_type nel = x.numel ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	300
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	301 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	302 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10076 diff changeset	303 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	304 r_data[i] = f (x_data[i], y_data[i]);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	305 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	306
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	307 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	308 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	309
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	310 static SparseMatrix
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	311 map_d_s (d_dd_fcn f, double x, const SparseMatrix& y)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	312 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	313 octave_idx_type nr = y.rows ();
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	314 octave_idx_type nc = y.columns ();
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	315 SparseMatrix retval;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	316 double f_zero = f (x, 0.);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	317
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	318 if (f_zero != 0)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	319 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	320 retval = SparseMatrix (nr, nc, f_zero);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	321
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	322 for (octave_idx_type j = 0; j < nc; j++)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	323 for (octave_idx_type i = y.cidx (j); i < y.cidx (j+1); i++)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	324 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10076 diff changeset	325 octave_quit ();
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	326 retval.data (y.ridx(i) + j * nr) = f (x, y.data (i));
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	327 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	328
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	329 retval.maybe_compress (true);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	330 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	331 else
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	332 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	333 octave_idx_type nz = y.nnz ();
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	334 retval = SparseMatrix (nr, nc, nz);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	335 octave_idx_type ii = 0;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	336 retval.cidx (ii) = 0;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	337
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	338 for (octave_idx_type j = 0; j < nc; j++)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	339 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	340 for (octave_idx_type i = y.cidx (j); i < y.cidx (j+1); i++)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	341 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10076 diff changeset	342 octave_quit ();
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	343 double val = f (x, y.data (i));
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	344
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	345 if (val != 0.0)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	346 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	347 retval.data (ii) = val;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	348 retval.ridx (ii++) = y.ridx (i);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	349 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	350 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	351 retval.cidx (j + 1) = ii;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	352 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	353
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	354 retval.maybe_compress (false);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	355 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	356
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	357 return retval;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	358 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	359
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	360 static SparseMatrix
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	361 map_s_d (d_dd_fcn f, const SparseMatrix& x, double y)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	362 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	363 octave_idx_type nr = x.rows ();
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	364 octave_idx_type nc = x.columns ();
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	365 SparseMatrix retval;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	366 double f_zero = f (0., y);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	367
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	368 if (f_zero != 0)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	369 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	370 retval = SparseMatrix (nr, nc, f_zero);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	371
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	372 for (octave_idx_type j = 0; j < nc; j++)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	373 for (octave_idx_type i = x.cidx (j); i < x.cidx (j+1); i++)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	374 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10076 diff changeset	375 octave_quit ();
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	376 retval.data (x.ridx(i) + j * nr) = f (x.data (i), y);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	377 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	378
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	379 retval.maybe_compress (true);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	380 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	381 else
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	382 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	383 octave_idx_type nz = x.nnz ();
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	384 retval = SparseMatrix (nr, nc, nz);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	385 octave_idx_type ii = 0;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	386 retval.cidx (ii) = 0;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	387
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	388 for (octave_idx_type j = 0; j < nc; j++)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	389 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	390 for (octave_idx_type i = x.cidx (j); i < x.cidx (j+1); i++)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	391 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10076 diff changeset	392 octave_quit ();
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	393 double val = f (x.data (i), y);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	394
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	395 if (val != 0.0)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	396 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	397 retval.data (ii) = val;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	398 retval.ridx (ii++) = x.ridx (i);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	399 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	400 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	401 retval.cidx (j + 1) = ii;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	402 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	403
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	404 retval.maybe_compress (false);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	405 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	406
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	407 return retval;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	408 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	409
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	410 static SparseMatrix
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	411 map_s_s (d_dd_fcn f, const SparseMatrix& x, const SparseMatrix& y)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	412 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	413 octave_idx_type nr = x.rows ();
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	414 octave_idx_type nc = x.columns ();
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	415
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	416 octave_idx_type y_nr = y.rows ();
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	417 octave_idx_type y_nc = y.columns ();
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	418
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	419 assert (nr == y_nr && nc == y_nc);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	420
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	421 SparseMatrix retval;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	422 double f_zero = f (0., 0.);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	423
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	424 if (f_zero != 0)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	425 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	426 retval = SparseMatrix (nr, nc, f_zero);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	427 octave_idx_type k1 = 0, k2 = 0;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	428
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	429 for (octave_idx_type j = 0; j < nc; j++)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	430 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	431 while (k1 < x.cidx(j+1) && k2 < y.cidx(j+1))
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	432 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10076 diff changeset	433 octave_quit ();
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	434 if (k1 >= x.cidx(j+1))
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	435 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	436 retval.data (y.ridx(k2) + j * nr) = f (0.0, y.data (k2));
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	437 k2++;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	438 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	439 else if (k2 >= y.cidx(j+1))
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	440 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	441 retval.data (x.ridx(k1) + j * nr) = f (x.data (k1), 0.0);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	442 k1++;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	443 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	444 else
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	445 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	446 octave_idx_type rx = x.ridx(k1);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	447 octave_idx_type ry = y.ridx(k2);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	448
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	449 if (rx < ry)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	450 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	451 retval.data (rx + j * nr) = f (x.data (k1), 0.0);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	452 k1++;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	453 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	454 else if (rx > ry)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	455 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	456 retval.data (ry + j * nr) = f (0.0, y.data (k2));
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	457 k2++;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	458 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	459 else
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	460 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	461 retval.data (ry + j * nr) = f (x.data (k1), y.data (k2));
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	462 k1++;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	463 k2++;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	464 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	465 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	466 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	467 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	468
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	469 retval.maybe_compress (true);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	470 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	471 else
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	472 {
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	473 octave_idx_type nz = x.nnz () + y.nnz ();
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	474 retval = SparseMatrix (nr, nc, nz);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	475 octave_idx_type ii = 0;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	476 retval.cidx (ii) = 0;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	477 octave_idx_type k1 = 0, k2 = 0;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	478
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	479 for (octave_idx_type j = 0; j < nc; j++)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	480 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	481 while (k1 < x.cidx(j+1) && k2 < y.cidx(j+1))
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	482 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10076 diff changeset	483 octave_quit ();
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	484 double val;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	485 octave_idx_type r;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	486 if (k1 >= x.cidx(j+1))
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	487 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	488 r = y.ridx (k2);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	489 val = f (0.0, y.data (k2++));
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	490 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	491 else if (k2 >= y.cidx(j+1))
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	492 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	493 r = x.ridx (k1);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	494 val = f (x.data (k1++), 0.0);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	495 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	496 else
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	497 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	498 octave_idx_type rx = x.ridx(k1);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	499 octave_idx_type ry = y.ridx(k2);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	500
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	501 if (rx < ry)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	502 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	503 r = x.ridx (k1);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	504 val = f (x.data (k1++), 0.0);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	505 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	506 else if (rx > ry)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	507 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	508 r = y.ridx (k2);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	509 val = f (0.0, y.data (k2++));
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	510 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	511 else
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	512 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	513 r = y.ridx (k2);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	514 val = f (x.data (k1++), y.data (k2++));
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	515 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	516 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	517 if (val != 0.0)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	518 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	519 retval.data (ii) = val;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	520 retval.ridx (ii++) = r;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	521 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	522 }
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	523 retval.cidx (j + 1) = ii;
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	524 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	525
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	526 retval.maybe_compress (false);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	527 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	528
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	529 return retval;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	530 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	531
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	532 DEFUN (atan2, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	533 "-- texinfo --\n\
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	534 @deftypefn {Mapping Function} {} atan2 (@var{y}, @var{x})\n\
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	535 Compute atan (@var{y} / @var{x}) for corresponding elements of @var{y}\n\
9155 ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9142 diff changeset	536 and @var{x}. Signal an error if @var{y} and @var{x} do not match in size\n\
ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9142 diff changeset	537 and orientation.\n\
3439 3234a698073a [project @ 2000-01-14 09:51:14 by jwe] jwe parents: 3428 diff changeset	538 @end deftypefn")
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	539 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4176 diff changeset	540 octave_value retval;
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	541
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	542 int nargin = args.length ();
36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	543
36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	544 if (nargin == 2 && args(0).is_defined () && args(1).is_defined ())
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	545 {
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	546 if (args(0).is_integer_type () \|\| args(1).is_integer_type ())
7494 bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	547 error ("atan2: not defined for integer types");
bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	548 else
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	549 {
7494 bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	550 octave_value arg_y = args(0);
bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	551 octave_value arg_x = args(1);
bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	552
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	553 dim_vector y_dims = arg_y.dims ();
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	554 dim_vector x_dims = arg_x.dims ();
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	555
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	556 bool y_is_scalar = y_dims.all_ones ();
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	557 bool x_is_scalar = x_dims.all_ones ();
7494 bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	558
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	559 bool is_float = arg_y.is_single_type () \|\| arg_x.is_single_type ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	560
7494 bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	561 if (y_is_scalar && x_is_scalar)
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	562 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	563 if (is_float)
7494 bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	564 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	565 float y = arg_y.float_value ();
7494 bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	566
bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	567 if (! error_state)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	568 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	569 float x = arg_x.float_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	570
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	571 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	572 retval = atan2f (y, x);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	573 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	574 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	575 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	576 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	577 double y = arg_y.double_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	578
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	579 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	580 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	581 double x = arg_x.double_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	582
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	583 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	584 retval = atan2 (y, x);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	585 }
7494 bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	586 }
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	587 }
7494 bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	588 else if (y_is_scalar)
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	589 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	590 if (is_float)
7494 bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	591 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	592 float y = arg_y.float_value ();
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	593
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	594 if (! error_state)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	595 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	596 // Even if x is sparse return a full matrix here
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	597 FloatNDArray x = arg_x.float_array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	598
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	599 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	600 retval = map_f_fm (atan2f, y, x);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	601 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	602 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	603 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	604 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	605 double y = arg_y.double_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	606
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	607 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	608 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	609 // Even if x is sparse return a full matrix here
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	610 NDArray x = arg_x.array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	611
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	612 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	613 retval = map_d_m (atan2, y, x);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	614 }
7494 bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	615 }
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	616 }
7494 bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	617 else if (x_is_scalar)
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	618 {
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	619 if (arg_y.is_sparse_type ())
7494 bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	620 {
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	621 SparseMatrix y = arg_y.sparse_matrix_value ();
7494 bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	622
bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	623 if (! error_state)
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	624 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	625 double x = arg_x.double_value ();
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	626
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	627 if (! error_state)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	628 retval = map_s_d (atan2, y, x);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	629 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	630 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	631 else if (is_float)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	632 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	633 FloatNDArray y = arg_y.float_array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	634
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	635 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	636 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	637 float x = arg_x.float_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	638
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	639 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	640 retval = map_fm_f (atan2f, y, x);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	641 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	642 }
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	643 else
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	644 {
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	645 NDArray y = arg_y.array_value ();
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	646
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	647 if (! error_state)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	648 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	649 double x = arg_x.double_value ();
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	650
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	651 if (! error_state)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	652 retval = map_m_d (atan2, y, x);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	653 }
7494 bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	654 }
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	655 }
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	656 else if (y_dims == x_dims)
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	657 {
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	658 // Even if y is sparse return a full matrix here
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	659 if (arg_x.is_sparse_type ())
7494 bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	660 {
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	661 SparseMatrix y = arg_y.sparse_matrix_value ();
7494 bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	662
bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	663 if (! error_state)
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	664 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	665 SparseMatrix x = arg_x.sparse_matrix_value ();
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	666
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	667 if (! error_state)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	668 retval = map_s_s (atan2, y, x);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	669 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	670 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	671 else if (is_float)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	672 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	673 FloatNDArray y = arg_y.array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	674
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	675 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	676 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	677 FloatNDArray x = arg_x.array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	678
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	679 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	680 retval = map_fm_fm (atan2f, y, x);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	681 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	682 }
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	683 else
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	684 {
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	685 NDArray y = arg_y.array_value ();
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	686
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	687 if (! error_state)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	688 {
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	689 NDArray x = arg_x.array_value ();
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	690
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	691 if (! error_state)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	692 retval = map_m_m (atan2, y, x);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	693 }
7494 bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	694 }
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	695 }
7494 bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	696 else
bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	697 error ("atan2: nonconformant matrices");
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	698 }
1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	699 }
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	700 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	701 print_usage ();
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	702
1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	703 return retval;
1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	704 }
1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	705
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	706 /*
7741 72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	707 %!assert (size (atan2 (zeros (0, 2), zeros (0, 2))), [0, 2])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	708 %!assert (size (atan2 (rand (2, 3, 4), zeros (2, 3, 4))), [2, 3, 4])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	709 %!assert (size (atan2 (rand (2, 3, 4), 1)), [2, 3, 4])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	710 %!assert (size (atan2 (1, rand (2, 3, 4))), [2, 3, 4])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	711 %!assert (size (atan2 (1, 2)), [1, 1])
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	712
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	713 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	714 %! rt2 = sqrt (2);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	715 %! rt3 = sqrt (3);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	716 %! v = [0, pi/6, pi/4, pi/3, -pi/3, -pi/4, -pi/6, 0];
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	717 %! y = [0, rt3, 1, rt3, -rt3, -1, -rt3, 0];
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	718 %! x = [1, 3, 1, 1, 1, 1, 3, 1];
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	719 %! assert(atan2 (y, x), v, sqrt (eps));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	720
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	721 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	722 %! rt2 = sqrt (2);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	723 %! rt3 = sqrt (3);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	724 %! v = single([0, pi/6, pi/4, pi/3, -pi/3, -pi/4, -pi/6, 0]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	725 %! y = single([0, rt3, 1, rt3, -rt3, -1, -rt3, 0]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	726 %! x = single([1, 3, 1, 1, 1, 1, 3, 1]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	727 %! assert(atan2 (y, x), v, sqrt (eps('single')));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	728
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	729 %!error <Invalid call to atan2.*> atan2 ();
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	730 %!error <Invalid call to atan2.*> atan2 (1, 2, 3);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	731
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	732 */
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	733
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	734
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	735
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	736 DEFUN (hypot, args, ,
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	737 "-- texinfo --\n\
9141 c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9066 diff changeset	738 @deftypefn {Built-in Function} {} hypot (@var{x}, @var{y})\n\
9165 8c71a86c4bf4 Update section 17.5 (Utility Functions) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9163 diff changeset	739 Compute the element-by-element square root of the sum of the squares of\n\
8c71a86c4bf4 Update section 17.5 (Utility Functions) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9163 diff changeset	740 @var{x} and @var{y}. This is equivalent to\n\
8c71a86c4bf4 Update section 17.5 (Utility Functions) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9163 diff changeset	741 @code{sqrt (@var{x}.^2 + @var{y}.^2)}, but calculated in a manner that\n\
8c71a86c4bf4 Update section 17.5 (Utility Functions) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9163 diff changeset	742 avoids overflows for large values of @var{x} or @var{y}.\n\
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	743 @end deftypefn")
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	744 {
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	745 octave_value retval;
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	746
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	747 int nargin = args.length ();
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	748
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	749 if (nargin == 2 && args(0).is_defined () && args(1).is_defined ())
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	750 {
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	751 if (args(0).is_integer_type () \|\| args(1).is_integer_type ())
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	752 error ("hypot: not defined for integer types");
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	753 else
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	754 {
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	755 octave_value arg_x = args(0);
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	756 octave_value arg_y = args(1);
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	757
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	758 dim_vector x_dims = arg_x.dims ();
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	759 dim_vector y_dims = arg_y.dims ();
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	760
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	761 bool x_is_scalar = x_dims.all_ones ();
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	762 bool y_is_scalar = y_dims.all_ones ();
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	763
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	764 bool is_float = arg_y.is_single_type () \|\| arg_x.is_single_type ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	765
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	766 if (y_is_scalar && x_is_scalar)
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	767 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	768 if (is_float)
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	769 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	770 float x;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	771 if (arg_x.is_complex_type ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	772 x = abs (arg_x.float_complex_value ());
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	773 else
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	774 x = arg_x.float_value ();
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	775
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	776 if (! error_state)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	777 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	778 float y;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	779 if (arg_y.is_complex_type ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	780 y = abs (arg_y.float_complex_value ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	781 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	782 y = arg_y.float_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	783
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	784 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	785 retval = hypotf (x, y);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	786 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	787 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	788 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	789 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	790 double x;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	791 if (arg_x.is_complex_type ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	792 x = abs (arg_x.complex_value ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	793 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	794 x = arg_x.double_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	795
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	796 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	797 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	798 double y;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	799 if (arg_y.is_complex_type ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	800 y = abs (arg_y.complex_value ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	801 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	802 y = arg_y.double_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	803
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	804 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	805 retval = hypot (x, y);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	806 }
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	807 }
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	808 }
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	809 else if (y_is_scalar)
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	810 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	811 if (is_float)
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	812 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	813 FloatNDArray x;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	814 if (arg_x.is_complex_type ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	815 x = arg_x.float_complex_array_value ().abs ();
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	816 else
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	817 x = arg_x.float_array_value ();
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	818
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	819 if (! error_state)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	820 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	821 float y;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	822 if (arg_y.is_complex_type ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	823 y = abs (arg_y.float_complex_value ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	824 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	825 y = arg_y.float_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	826
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	827 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	828 retval = map_fm_f (hypotf, x, y);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	829 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	830 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	831 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	832 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	833 NDArray x;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	834 if (arg_x.is_complex_type ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	835 x = arg_x.complex_array_value ().abs ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	836 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	837 x = arg_x.array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	838
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	839 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	840 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	841 double y;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	842 if (arg_y.is_complex_type ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	843 y = abs (arg_y.complex_value ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	844 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	845 y = arg_y.double_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	846
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	847 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	848 retval = map_m_d (hypot, x, y);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	849 }
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	850 }
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	851 }
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	852 else if (x_is_scalar)
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	853 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	854 if (is_float)
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	855 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	856 float x;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	857 if (arg_x.is_complex_type ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	858 x = abs (arg_x.float_complex_value ());
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	859 else
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	860 x = arg_x.float_value ();
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	861
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	862 if (! error_state)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	863 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	864 FloatNDArray y;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	865 if (arg_y.is_complex_type ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	866 y = arg_y.float_complex_array_value ().abs ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	867 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	868 y = arg_y.float_array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	869
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	870 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	871 retval = map_f_fm (hypotf, x, y);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	872 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	873 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	874 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	875 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	876 double x;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	877 if (arg_x.is_complex_type ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	878 x = abs (arg_x.complex_value ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	879 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	880 x = arg_x.double_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	881
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	882 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	883 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	884 NDArray y;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	885 if (arg_y.is_complex_type ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	886 y = arg_y.complex_array_value ().abs ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	887 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	888 y = arg_y.array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	889
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	890 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	891 retval = map_d_m (hypot, x, y);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	892 }
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	893 }
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	894 }
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	895 else if (y_dims == x_dims)
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	896 {
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	897 if (arg_x.is_sparse_type () && arg_y.is_sparse_type ())
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	898 {
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	899 SparseMatrix x;
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	900 if (arg_x.is_complex_type ())
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	901 x = arg_x.sparse_complex_matrix_value ().abs ();
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	902 else
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	903 x = arg_x.sparse_matrix_value ();
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	904
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	905 if (! error_state)
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	906 {
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	907 SparseMatrix y;
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	908 if (arg_y.is_complex_type ())
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	909 y = arg_y.sparse_complex_matrix_value ().abs ();
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	910 else
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	911 y = arg_y.sparse_matrix_value ();
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	912
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	913 if (! error_state)
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	914 retval = map_s_s (hypot, x, y);
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	915 }
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	916 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	917 else if (is_float)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	918 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	919 FloatNDArray x;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	920 if (arg_x.is_complex_type ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	921 x = arg_x.float_complex_array_value ().abs ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	922 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	923 x = arg_x.float_array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	924
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	925 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	926 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	927 FloatNDArray y;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	928 if (arg_y.is_complex_type ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	929 y = arg_y.float_complex_array_value ().abs ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	930 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	931 y = arg_y.float_array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	932
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	933 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	934 retval = map_fm_fm (hypotf, x, y);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	935 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	936 }
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	937 else
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	938 {
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	939 NDArray x;
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	940 if (arg_x.is_complex_type ())
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	941 x = arg_x.complex_array_value ().abs ();
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	942 else
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	943 x = arg_x.array_value ();
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	944
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	945 if (! error_state)
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	946 {
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	947 NDArray y;
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	948 if (arg_y.is_complex_type ())
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	949 y = arg_y.complex_array_value ().abs ();
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	950 else
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	951 y = arg_y.array_value ();
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	952
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	953 if (! error_state)
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	954 retval = map_m_m (hypot, x, y);
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	955 }
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	956 }
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	957 }
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	958 else
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	959 error ("hypot: nonconformant matrices");
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	960 }
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	961 }
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	962 else
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	963 print_usage ();
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	964
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	965 return retval;
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	966 }
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	967
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	968 /*
7741 72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	969 %!assert (size (hypot (zeros (0, 2), zeros (0, 2))), [0, 2])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	970 %!assert (size (hypot (rand (2, 3, 4), zeros (2, 3, 4))), [2, 3, 4])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	971 %!assert (size (hypot (rand (2, 3, 4), 1)), [2, 3, 4])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	972 %!assert (size (hypot (1, rand (2, 3, 4))), [2, 3, 4])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	973 %!assert (size (hypot (1, 2)), [1, 1])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	974 %!assert (hypot (1:10, 1:10), sqrt(2) * [1:10], 16*eps)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	975 %!assert (hypot (single(1:10), single(1:10)), single(sqrt(2) * [1:10]));
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	976 */
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	977
9813 8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	978 template<typename T, typename ET>
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	979 void
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	980 map_2_xlog2 (const Array<T>& x, Array<T>& f, Array<ET>& e)
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	981 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	982 f = Array<T>(x.dims ());
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	983 e = Array<ET>(x.dims ());
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	984 for (octave_idx_type i = 0; i < x.numel (); i++)
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	985 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	986 int exp;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	987 f.xelem (i) = xlog2 (x(i), exp);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	988 e.xelem (i) = exp;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	989 }
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	990 }
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	991
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	992 DEFUN (log2, args, nargout,
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	993 "-- texinfo --\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	994 @deftypefn {Mapping Function} {} log2 (@var{x})\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	995 @deftypefnx {Mapping Function} {[@var{f}, @var{e}] =} log2 (@var{x})\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	996 Compute the base-2 logarithm of each element of @var{x}.\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	997 \n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	998 If called with two output arguments, split @var{x} into\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	999 binary mantissa and exponent so that\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1000 @tex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1001 ${1 \\over 2} \\le \\left\| f \\right\| < 1$\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1002 @end tex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1003 @ifnottex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1004 @code{1/2 <= abs(f) < 1}\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1005 @end ifnottex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1006 and @var{e} is an integer. If\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1007 @tex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1008 $x = 0$, $f = e = 0$.\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1009 @end tex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1010 @ifnottex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1011 @code{x = 0}, @code{f = e = 0}.\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1012 @end ifnottex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1013 @seealso{pow2, log, log10, exp}\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1014 @end deftypefn")
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1015 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1016 octave_value_list retval;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1017
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1018 if (args.length () == 1)
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1019 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1020 if (nargout < 2)
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1021 retval(0) = args(0).log2 ();
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1022 else if (args(0).is_single_type ())
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1023 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1024 if (args(0).is_real_type ())
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1025 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1026 FloatNDArray f;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1027 FloatNDArray x = args(0).float_array_value ();
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1028 // FIXME -- should E be an int value?
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1029 FloatMatrix e;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1030 map_2_xlog2 (x, f, e);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1031 retval (1) = e;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1032 retval (0) = f;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1033 }
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1034 else if (args(0).is_complex_type ())
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1035 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1036 FloatComplexNDArray f;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1037 FloatComplexNDArray x = args(0).float_complex_array_value ();
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1038 // FIXME -- should E be an int value?
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1039 FloatNDArray e;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1040 map_2_xlog2 (x, f, e);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1041 retval (1) = e;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1042 retval (0) = f;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1043 }
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1044 }
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1045 else if (args(0).is_real_type ())
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1046 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1047 NDArray f;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1048 NDArray x = args(0).array_value ();
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1049 // FIXME -- should E be an int value?
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1050 Matrix e;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1051 map_2_xlog2 (x, f, e);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1052 retval (1) = e;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1053 retval (0) = f;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1054 }
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1055 else if (args(0).is_complex_type ())
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1056 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1057 ComplexNDArray f;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1058 ComplexNDArray x = args(0).complex_array_value ();
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1059 // FIXME -- should E be an int value?
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1060 NDArray e;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1061 map_2_xlog2 (x, f, e);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1062 retval (1) = e;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1063 retval (0) = f;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1064 }
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1065 else
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1066 gripe_wrong_type_arg ("log2", args(0));
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1067 }
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1068 else
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1069 print_usage ();
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1070
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1071 return retval;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1072 }
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1073
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1074 /*
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1075 %!assert(log2 ([1/4, 1/2, 1, 2, 4]), [-2, -1, 0, 1, 2]);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1076 %!assert(log2(Inf), Inf);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1077 %!assert(isnan(log2(NaN)));
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1078 %!assert(log2(4i), 2 + log2(1i));
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1079 %!assert(log2(complex(0,Inf)), Inf + log2(i));
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1080
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1081 %!test
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1082 %! [f, e] = log2 ([0,-1; 2,-4; Inf,-Inf]);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1083 %! assert (f, [0,-0.5; 0.5,-0.5; Inf,-Inf]);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1084 %! assert (e(1:2,:), [0,1;2,3])
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1085
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1086 %!test
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1087 %! [f, e] = log2 (complex (zeros (3, 2), [0,-1; 2,-4; Inf,-Inf]));
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1088 %! assert (f, complex (zeros (3, 2), [0,-0.5; 0.5,-0.5; Inf,-Inf]));
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1089 %! assert (e(1:2,:), [0,1; 2,3]);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1090 */
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1091
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1092 DEFUN (fmod, args, ,
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1093 "-- texinfo --\n\
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1094 @deftypefn {Mapping Function} {} fmod (@var{x}, @var{y})\n\
4685 14a1c9f42f67 [project @ 2004-01-06 17:20:02 by jwe] jwe parents: 4593 diff changeset	1095 Compute the floating point remainder of dividing @var{x} by @var{y}\n\
14a1c9f42f67 [project @ 2004-01-06 17:20:02 by jwe] jwe parents: 4593 diff changeset	1096 using the C library function @code{fmod}. The result has the same\n\
9141 c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9066 diff changeset	1097 sign as @var{x}. If @var{y} is zero, the result is implementation-dependent.\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9066 diff changeset	1098 @seealso{mod, rem}\n\
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1099 @end deftypefn")
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1100 {
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1101 octave_value retval;
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1102
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1103 int nargin = args.length ();
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1104
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1105 if (nargin == 2 && args(0).is_defined () && args(1).is_defined ())
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1106 {
9562 b8db3595f706 fix order of args in fmod Jaroslav Hajek <highegg@gmail.com> parents: 9555 diff changeset	1107 octave_value arg_x = args(0);
b8db3595f706 fix order of args in fmod Jaroslav Hajek <highegg@gmail.com> parents: 9555 diff changeset	1108 octave_value arg_y = args(1);
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	1109
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	1110 dim_vector y_dims = arg_y.dims ();
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	1111 dim_vector x_dims = arg_x.dims ();
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	1112
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	1113 bool y_is_scalar = y_dims.all_ones ();
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	1114 bool x_is_scalar = x_dims.all_ones ();
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1115
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1116 bool is_float = arg_y.is_single_type () \|\| arg_x.is_single_type ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1117
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1118 if (y_is_scalar && x_is_scalar)
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1119 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1120 if (is_float)
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1121 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1122 float y = arg_y.float_value ();
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1123
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1124 if (! error_state)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1125 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1126 float x = arg_x.float_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1127
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1128 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1129 retval = fmod (x, y);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1130 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1131 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1132 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1133 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1134 double y = arg_y.double_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1135
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1136 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1137 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1138 double x = arg_x.double_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1139
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1140 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1141 retval = fmod (x, y);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1142 }
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1143 }
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1144 }
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1145 else if (y_is_scalar)
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1146 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1147 if (is_float)
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1148 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1149 float y = arg_y.float_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1150
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1151 if (! error_state)
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1152 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1153 FloatNDArray x = arg_x.float_array_value ();
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1154
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1155 if (! error_state)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1156 retval = map_fm_f (fmodf, x, y);
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1157 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1158 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1159 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1160 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1161 double y = arg_y.double_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1162
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1163 if (! error_state)
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1164 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1165 if (arg_x.is_sparse_type ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1166 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1167 SparseMatrix x = arg_x.sparse_matrix_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1168
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1169 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1170 retval = map_s_d (fmod, x, y);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1171 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1172 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1173 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1174 NDArray x = arg_x.array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1175
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1176 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1177 retval = map_m_d (fmod, x, y);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1178 }
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1179 }
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1180 }
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1181 }
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1182 else if (x_is_scalar)
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1183 {
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1184 if (arg_y.is_sparse_type ())
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1185 {
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1186 SparseMatrix y = arg_y.sparse_matrix_value ();
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1187
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1188 if (! error_state)
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1189 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1190 double x = arg_x.double_value ();
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1191
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1192 if (! error_state)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1193 retval = map_d_s (fmod, x, y);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1194 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1195 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1196 else if (is_float)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1197 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1198 FloatNDArray y = arg_y.float_array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1199
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1200 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1201 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1202 float x = arg_x.float_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1203
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1204 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1205 retval = map_f_fm (fmodf, x, y);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1206 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1207 }
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1208 else
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1209 {
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	1210 NDArray y = arg_y.array_value ();
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1211
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1212 if (! error_state)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1213 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1214 double x = arg_x.double_value ();
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1215
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1216 if (! error_state)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1217 retval = map_d_m (fmod, x, y);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1218 }
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1219 }
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1220 }
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	1221 else if (y_dims == x_dims)
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1222 {
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1223 if (arg_y.is_sparse_type () \|\| arg_x.is_sparse_type ())
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1224 {
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1225 SparseMatrix y = arg_y.sparse_matrix_value ();
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1226
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1227 if (! error_state)
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1228 {
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1229 SparseMatrix x = arg_x.sparse_matrix_value ();
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1230
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1231 if (! error_state)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1232 retval = map_s_s (fmod, x, y);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1233 }
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1234 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1235 else if (is_float)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1236 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1237 FloatNDArray y = arg_y.float_array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1238
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1239 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1240 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1241 FloatNDArray x = arg_x.float_array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1242
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1243 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1244 retval = map_fm_fm (fmodf, x, y);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1245 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1246 }
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1247 else
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1248 {
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	1249 NDArray y = arg_y.array_value ();
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1250
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1251 if (! error_state)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1252 {
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	1253 NDArray x = arg_x.array_value ();
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1254
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1255 if (! error_state)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1256 retval = map_m_m (fmod, x, y);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7494 diff changeset	1257 }
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1258 }
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1259 }
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1260 else
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1261 error ("fmod: nonconformant matrices");
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1262 }
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1263 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	1264 print_usage ();
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1265
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1266 return retval;
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1267 }
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	1268
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	1269 /*
7741 72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	1270 %!assert (size (fmod (zeros (0, 2), zeros (0, 2))), [0, 2])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	1271 %!assert (size (fmod (rand (2, 3, 4), zeros (2, 3, 4))), [2, 3, 4])
7743 fbe27e477578 more tests fixed John W. Eaton <jwe@octave.org> parents: 7741 diff changeset	1272 %!assert (size (fmod (rand (2, 3, 4), 1)), [2, 3, 4])
fbe27e477578 more tests fixed John W. Eaton <jwe@octave.org> parents: 7741 diff changeset	1273 %!assert (size (fmod (1, rand (2, 3, 4))), [2, 3, 4])
fbe27e477578 more tests fixed John W. Eaton <jwe@octave.org> parents: 7741 diff changeset	1274 %!assert (size (fmod (1, 2)), [1, 1])
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	1275 */
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	1276
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1277 // FIXME Need to convert the reduction functions of this file for single precision
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1278
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1279 #define NATIVE_REDUCTION_1(FCN, TYPE, DIM) \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1280 (arg.is_ ## TYPE ## _type ()) \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1281 { \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1282 TYPE ## NDArray tmp = arg. TYPE ##_array_value (); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1283 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1284 if (! error_state) \
8780 ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	1285 { \
ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	1286 octave_ ## TYPE::clear_conv_flags (); \
ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	1287 retval = tmp.FCN (DIM); \
ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	1288 if (octave_ ## TYPE::get_trunc_flag ()) \
ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	1289 { \
ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	1290 gripe_native_integer_math_truncated (#FCN, \
ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	1291 octave_ ## TYPE::type_name ()); \
ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	1292 octave_ ## TYPE::clear_conv_flags (); \
ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	1293 } \
ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	1294 } \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1295 }
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1296
8780 ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	1297 #define NATIVE_REDUCTION(FCN, BOOL_FCN) \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1298 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1299 octave_value retval; \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1300 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1301 int nargin = args.length (); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1302 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1303 bool isnative = false; \
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1304 bool isdouble = false; \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1305 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1306 if (nargin > 1 && args(nargin - 1).is_string ()) \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1307 { \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1308 std::string str = args(nargin - 1).string_value (); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1309 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1310 if (! error_state) \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1311 { \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1312 if (str == "native") \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1313 isnative = true; \
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1314 else if (str == "double") \
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1315 isdouble = true; \
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1316 else \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1317 error ("sum: unrecognized string argument"); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1318 nargin --; \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1319 } \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1320 } \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1321 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1322 if (nargin == 1 \|\| nargin == 2) \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1323 { \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1324 octave_value arg = args(0); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1325 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1326 int dim = (nargin == 1 ? -1 : args(1).int_value (true) - 1); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1327 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1328 if (! error_state) \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1329 { \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1330 if (dim >= -1) \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1331 { \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1332 if (arg.is_sparse_type ()) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1333 { \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1334 if (arg.is_real_type ()) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1335 { \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1336 SparseMatrix tmp = arg.sparse_matrix_value (); \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1337 \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1338 if (! error_state) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1339 retval = tmp.FCN (dim); \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1340 } \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1341 else \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1342 { \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1343 SparseComplexMatrix tmp = arg.sparse_complex_matrix_value (); \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1344 \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1345 if (! error_state) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1346 retval = tmp.FCN (dim); \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1347 } \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1348 } \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1349 else \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1350 { \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1351 if (isnative) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1352 { \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1353 if NATIVE_REDUCTION_1 (FCN, uint8, dim) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1354 else if NATIVE_REDUCTION_1 (FCN, uint16, dim) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1355 else if NATIVE_REDUCTION_1 (FCN, uint32, dim) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1356 else if NATIVE_REDUCTION_1 (FCN, uint64, dim) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1357 else if NATIVE_REDUCTION_1 (FCN, int8, dim) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1358 else if NATIVE_REDUCTION_1 (FCN, int16, dim) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1359 else if NATIVE_REDUCTION_1 (FCN, int32, dim) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1360 else if NATIVE_REDUCTION_1 (FCN, int64, dim) \
8756 d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	1361 else if (arg.is_bool_type ()) \
d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	1362 { \
8780 ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	1363 boolNDArray tmp = arg.bool_array_value (); \
8756 d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	1364 if (! error_state) \
8780 ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	1365 retval = boolNDArray (tmp.BOOL_FCN (dim)); \
8756 d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	1366 } \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1367 else if (arg.is_char_matrix ()) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1368 { \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1369 error (#FCN, ": invalid char type"); \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1370 } \
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1371 else if (!isdouble && arg.is_single_type ()) \
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1372 { \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1373 if (arg.is_complex_type ()) \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1374 { \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1375 FloatComplexNDArray tmp = \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1376 arg.float_complex_array_value (); \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1377 \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1378 if (! error_state) \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1379 retval = tmp.FCN (dim); \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1380 } \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1381 else if (arg.is_real_type ()) \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1382 { \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1383 FloatNDArray tmp = arg.float_array_value (); \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1384 \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1385 if (! error_state) \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1386 retval = tmp.FCN (dim); \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1387 } \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1388 } \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1389 else if (arg.is_complex_type ()) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1390 { \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1391 ComplexNDArray tmp = arg.complex_array_value (); \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1392 \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1393 if (! error_state) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1394 retval = tmp.FCN (dim); \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1395 } \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1396 else if (arg.is_real_type ()) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1397 { \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1398 NDArray tmp = arg.array_value (); \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1399 \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1400 if (! error_state) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1401 retval = tmp.FCN (dim); \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1402 } \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1403 else \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1404 { \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1405 gripe_wrong_type_arg (#FCN, arg); \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1406 return retval; \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1407 } \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1408 } \
8756 d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	1409 else if (arg.is_bool_type ()) \
d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	1410 { \
d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	1411 boolNDArray tmp = arg.bool_array_value (); \
d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	1412 if (! error_state) \
d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	1413 retval = tmp.FCN (dim); \
d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	1414 } \
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1415 else if (!isdouble && arg.is_single_type ()) \
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1416 { \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1417 if (arg.is_real_type ()) \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1418 { \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1419 FloatNDArray tmp = arg.float_array_value (); \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1420 \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1421 if (! error_state) \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1422 retval = tmp.FCN (dim); \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1423 } \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1424 else if (arg.is_complex_type ()) \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1425 { \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1426 FloatComplexNDArray tmp = \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1427 arg.float_complex_array_value (); \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1428 \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1429 if (! error_state) \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1430 retval = tmp.FCN (dim); \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1431 } \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1432 } \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1433 else if (arg.is_real_type ()) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1434 { \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1435 NDArray tmp = arg.array_value (); \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1436 \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1437 if (! error_state) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1438 retval = tmp.FCN (dim); \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1439 } \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1440 else if (arg.is_complex_type ()) \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1441 { \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1442 ComplexNDArray tmp = arg.complex_array_value (); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1443 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1444 if (! error_state) \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1445 retval = tmp.FCN (dim); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1446 } \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1447 else \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1448 { \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1449 gripe_wrong_type_arg (#FCN, arg); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1450 return retval; \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1451 } \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1452 } \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1453 } \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1454 else \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1455 error (#FCN ": invalid dimension argument = %d", dim + 1); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1456 } \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1457 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1458 } \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1459 else \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1460 print_usage (); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1461 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1462 return retval
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1463
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1464 #define DATA_REDUCTION(FCN) \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1465 \
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4176 diff changeset	1466 octave_value retval; \
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1467 \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1468 int nargin = args.length (); \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1469 \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1470 if (nargin == 1 \|\| nargin == 2) \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1471 { \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1472 octave_value arg = args(0); \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1473 \
3864 e78705239df5 [project @ 2001-11-16 12:56:20 by jwe] jwe parents: 3797 diff changeset	1474 int dim = (nargin == 1 ? -1 : args(1).int_value (true) - 1); \
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1475 \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1476 if (! error_state) \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1477 { \
4556 773a21e4fce8 [project @ 2003-10-28 05:02:10 by jwe] jwe parents: 4554 diff changeset	1478 if (dim >= -1) \
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1479 { \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1480 if (arg.is_real_type ()) \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1481 { \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1482 if (arg.is_sparse_type ()) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1483 { \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1484 SparseMatrix tmp = arg.sparse_matrix_value (); \
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1485 \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1486 if (! error_state) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1487 retval = tmp.FCN (dim); \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1488 } \
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1489 else if (arg.is_single_type ()) \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1490 { \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1491 FloatNDArray tmp = arg.float_array_value (); \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1492 \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1493 if (! error_state) \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1494 retval = tmp.FCN (dim); \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1495 } \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1496 else \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1497 { \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1498 NDArray tmp = arg.array_value (); \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1499 \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1500 if (! error_state) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1501 retval = tmp.FCN (dim); \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1502 } \
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1503 } \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1504 else if (arg.is_complex_type ()) \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1505 { \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1506 if (arg.is_sparse_type ()) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1507 { \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1508 SparseComplexMatrix tmp = arg.sparse_complex_matrix_value (); \
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1509 \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1510 if (! error_state) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1511 retval = tmp.FCN (dim); \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1512 } \
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1513 else if (arg.is_single_type ()) \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1514 { \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1515 FloatComplexNDArray tmp = arg.float_complex_array_value (); \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1516 \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1517 if (! error_state) \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1518 retval = tmp.FCN (dim); \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1519 } \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1520 else \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1521 { \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1522 ComplexNDArray tmp = arg.complex_array_value (); \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1523 \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1524 if (! error_state) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1525 retval = tmp.FCN (dim); \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	1526 } \
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1527 } \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1528 else \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1529 { \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1530 gripe_wrong_type_arg (#FCN, arg); \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1531 return retval; \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1532 } \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1533 } \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1534 else \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1535 error (#FCN ": invalid dimension argument = %d", dim + 1); \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1536 } \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1537 } \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1538 else \
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	1539 print_usage (); \
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1540 \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1541 return retval
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1542
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	1543 DEFUN (cumprod, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	1544 "-- texinfo --\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1545 @deftypefn {Built-in Function} {} cumprod (@var{x})\n\
9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1546 @deftypefnx {Built-in Function} {} cumprod (@var{x}, @var{dim})\n\
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1547 Cumulative product of elements along dimension @var{dim}. If\n\
9723 f426899f4b9c fix reduction functions docstrings Jaroslav Hajek <highegg@gmail.com> parents: 9721 diff changeset	1548 @var{dim} is omitted, it defaults to the first non-singleton dimension.\n\
5061 4689ee5e88ec [project @ 2004-11-03 21:23:42 by jwe] jwe parents: 5058 diff changeset	1549 \n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1550 @seealso{prod, cumsum}\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	1551 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1552 {
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1553 DATA_REDUCTION (cumprod);
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1554 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1555
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1556 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1557
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1558 %!assert (cumprod ([1, 2, 3]), [1, 2, 6]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1559 %!assert (cumprod ([-1; -2; -3]), [-1; 2; -6]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1560 %!assert (cumprod ([i, 2+i, -3+2i, 4]), [i, -1+2i, -1-8i, -4-32i]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1561 %!assert (cumprod ([1, 2, 3; i, 2i, 3i; 1+i, 2+2i, 3+3i]), [1, 2, 3; i, 4i, 9i; -1+i, -8+8i, -27+27i]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1562
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1563 %!assert (cumprod (single([1, 2, 3])), single([1, 2, 6]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1564 %!assert (cumprod (single([-1; -2; -3])), single([-1; 2; -6]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1565 %!assert (cumprod (single([i, 2+i, -3+2i, 4])), single([i, -1+2i, -1-8i, -4-32i]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1566 %!assert (cumprod (single([1, 2, 3; i, 2i, 3i; 1+i, 2+2i, 3+3i])), single([1, 2, 3; i, 4i, 9i; -1+i, -8+8i, -27+27i]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1567
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1568 %!error <Invalid call to cumprod.*> cumprod ();
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1569
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1570 %!assert (cumprod ([2, 3; 4, 5], 1), [2, 3; 8, 15]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1571 %!assert (cumprod ([2, 3; 4, 5], 2), [2, 6; 4, 20]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1572
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1573 %!assert (cumprod (single([2, 3; 4, 5]), 1), single([2, 3; 8, 15]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1574 %!assert (cumprod (single([2, 3; 4, 5]), 2), single([2, 6; 4, 20]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1575
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1576 */
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1577
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	1578 DEFUN (cumsum, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	1579 "-- texinfo --\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1580 @deftypefn {Built-in Function} {} cumsum (@var{x})\n\
9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1581 @deftypefnx {Built-in Function} {} cumsum (@var{x}, @var{dim})\n\
8780 ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	1582 @deftypefnx {Built-in Function} {} cumsum (@dots{}, 'native')\n\
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1583 Cumulative sum of elements along dimension @var{dim}. If @var{dim}\n\
9723 f426899f4b9c fix reduction functions docstrings Jaroslav Hajek <highegg@gmail.com> parents: 9721 diff changeset	1584 is omitted, it defaults to the first non-singleton dimension.\n\
8780 ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	1585 \n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1586 The \"native\" argument implies the summation is performed in native type.\n\
9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1587 See @code{sum} for a complete description and example of the use of\n\
9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1588 \"native\".\n\
9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1589 @seealso{sum, cumprod}\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	1590 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1591 {
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1592 octave_value retval;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1593
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1594 int nargin = args.length ();
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1595
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1596 bool isnative = false;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1597 bool isdouble = false;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1598
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1599 if (nargin > 1 && args(nargin - 1).is_string ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1600 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1601 std::string str = args(nargin - 1).string_value ();
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1602
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1603 if (! error_state)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1604 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1605 if (str == "native")
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1606 isnative = true;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1607 else if (str == "double")
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1608 isdouble = true;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1609 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1610 error ("sum: unrecognized string argument");
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1611 nargin --;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1612 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1613 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1614
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1615 if (error_state)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1616 return retval;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1617
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1618 if (nargin == 1 \|\| nargin == 2)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1619 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1620 octave_value arg = args(0);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1621
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1622 int dim = -1;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1623 if (nargin == 2)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1624 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1625 dim = args(1).int_value () - 1;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1626 if (dim < 0)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1627 error ("cumsum: invalid dimension argument = %d", dim + 1);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1628 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1629
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1630 if (! error_state)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1631 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1632 switch (arg.builtin_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1633 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1634 case btyp_double:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1635 if (arg.is_sparse_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1636 retval = arg.sparse_matrix_value ().cumsum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1637 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1638 retval = arg.array_value ().cumsum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1639 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1640 case btyp_complex:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1641 if (arg.is_sparse_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1642 retval = arg.sparse_complex_matrix_value ().cumsum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1643 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1644 retval = arg.complex_array_value ().cumsum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1645 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1646 case btyp_float:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1647 if (isdouble)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1648 retval = arg.array_value ().cumsum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1649 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1650 retval = arg.float_array_value ().cumsum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1651 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1652 case btyp_float_complex:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1653 if (isdouble)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1654 retval = arg.complex_array_value ().cumsum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1655 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1656 retval = arg.float_complex_array_value ().cumsum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1657 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1658
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1659 #define MAKE_INT_BRANCH(X) \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1660 case btyp_ ## X: \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1661 if (isnative) \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1662 retval = arg.X ## _array_value ().cumsum (dim); \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1663 else \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1664 retval = arg.array_value ().cumsum (dim); \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1665 break
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1666 MAKE_INT_BRANCH (int8);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1667 MAKE_INT_BRANCH (int16);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1668 MAKE_INT_BRANCH (int32);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1669 MAKE_INT_BRANCH (int64);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1670 MAKE_INT_BRANCH (uint8);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1671 MAKE_INT_BRANCH (uint16);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1672 MAKE_INT_BRANCH (uint32);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1673 MAKE_INT_BRANCH (uint64);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1674 #undef MAKE_INT_BRANCH
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1675
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1676 case btyp_bool:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1677 if (arg.is_sparse_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1678 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1679 SparseMatrix cs = arg.sparse_matrix_value ().cumsum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1680 if (isnative)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1681 retval = cs != 0.0;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1682 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1683 retval = cs;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1684 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1685 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1686 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1687 NDArray cs = arg.bool_array_value ().cumsum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1688 if (isnative)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1689 retval = cs != 0.0;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1690 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1691 retval = cs;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1692 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1693 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1694
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1695 default:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1696 gripe_wrong_type_arg ("cumsum", arg);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1697 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1698 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1699 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1700 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1701 print_usage ();
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1702
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1703 return retval;
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1704 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1705
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1706 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1707
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1708 %!assert (cumsum ([1, 2, 3]), [1, 3, 6]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1709 %!assert (cumsum ([-1; -2; -3]), [-1; -3; -6]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1710 %!assert (cumsum ([i, 2+i, -3+2i, 4]), [i, 2+2i, -1+4i, 3+4i]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1711 %!assert (cumsum ([1, 2, 3; i, 2i, 3i; 1+i, 2+2i, 3+3i]), [1, 2, 3; 1+i, 2+2i, 3+3i; 2+2i, 4+4i, 6+6i]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1712
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1713 %!assert (cumsum (single([1, 2, 3])), single([1, 3, 6]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1714 %!assert (cumsum (single([-1; -2; -3])), single([-1; -3; -6]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1715 %!assert (cumsum (single([i, 2+i, -3+2i, 4])), single([i, 2+2i, -1+4i, 3+4i]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1716 %!assert (cumsum (single([1, 2, 3; i, 2i, 3i; 1+i, 2+2i, 3+3i])), single([1, 2, 3; 1+i, 2+2i, 3+3i; 2+2i, 4+4i, 6+6i]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1717
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1718 %!error <Invalid call to cumsum.*> cumsum ();
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1719
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1720 %!assert (cumsum ([1, 2; 3, 4], 1), [1, 2; 4, 6]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1721 %!assert (cumsum ([1, 2; 3, 4], 2), [1, 3; 3, 7]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1722
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1723 %!assert (cumsum (single([1, 2; 3, 4]), 1), single([1, 2; 4, 6]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1724 %!assert (cumsum (single([1, 2; 3, 4]), 2), single([1, 3; 3, 7]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1725
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1726 */
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1727
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	1728 DEFUN (diag, args, ,
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1729 "-- texinfo --\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1730 @deftypefn {Built-in Function} {} diag (@var{v}, @var{k})\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1731 Return a diagonal matrix with vector @var{v} on diagonal @var{k}. The\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1732 second argument is optional. If it is positive, the vector is placed on\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1733 the @var{k}-th super-diagonal. If it is negative, it is placed on the\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1734 @var{-k}-th sub-diagonal. The default value of @var{k} is 0, and the\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1735 vector is placed on the main diagonal. For example,\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1736 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1737 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1738 @group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1739 diag ([1, 2, 3], 1)\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1740 @result{} 0 1 0 0\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1741 0 0 2 0\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1742 0 0 0 3\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1743 0 0 0 0\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1744 @end group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1745 @end example\n\
6772 315bc7c8f9b5 [project @ 2007-07-10 09:51:39 by dbateman] dbateman parents: 6688 diff changeset	1746 \n\
315bc7c8f9b5 [project @ 2007-07-10 09:51:39 by dbateman] dbateman parents: 6688 diff changeset	1747 @noindent\n\
315bc7c8f9b5 [project @ 2007-07-10 09:51:39 by dbateman] dbateman parents: 6688 diff changeset	1748 Given a matrix argument, instead of a vector, @code{diag} extracts the\n\
6774 3b09c87d5165 [project @ 2007-07-13 13:27:36 by dbateman] dbateman parents: 6772 diff changeset	1749 @var{k}-th diagonal of the matrix.\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1750 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1751 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4176 diff changeset	1752 octave_value retval;
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1753
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1754 int nargin = args.length ();
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1755
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	1756 if (nargin == 1 && args(0).is_defined ())
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7618 diff changeset	1757 retval = args(0).diag();
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	1758 else if (nargin == 2 && args(0).is_defined () && args(1).is_defined ())
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7618 diff changeset	1759 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7618 diff changeset	1760 octave_idx_type k = args(1).int_value ();
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7618 diff changeset	1761
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7618 diff changeset	1762 if (error_state)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7618 diff changeset	1763 error ("diag: invalid second argument");
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7618 diff changeset	1764 else
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7618 diff changeset	1765 retval = args(0).diag(k);
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7618 diff changeset	1766 }
8366 8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1767 else if (nargin == 3)
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1768 {
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1769 octave_value arg0 = args(0);
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1770 if (arg0.ndims () == 2 && (args(0).rows () == 1 \|\| args(0).columns () == 1))
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1771 {
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1772 octave_idx_type m = args(1).int_value (), n = args(2).int_value ();
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1773 if (! error_state)
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1774 retval = arg0.diag ().resize (dim_vector (m, n));
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1775 else
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1776 error ("diag: invalid dimensions");
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1777 }
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1778 else
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1779 error ("diag: first argument must be a vector");
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1780 }
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1781 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	1782 print_usage ();
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1783
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1784 return retval;
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1785 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1786
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1787 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1788
8459 d17874a6f161 improve indexing of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8458 diff changeset	1789 %!assert(full (diag ([1; 2; 3])), [1, 0, 0; 0, 2, 0; 0, 0, 3]);
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1790 %!assert(diag ([1; 2; 3], 1), [0, 1, 0, 0; 0, 0, 2, 0; 0, 0, 0, 3; 0, 0, 0, 0]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1791 %!assert(diag ([1; 2; 3], 2), [0, 0, 1, 0, 0; 0, 0, 0, 2, 0; 0, 0, 0, 0, 3; 0, 0, 0, 0, 0; 0, 0, 0, 0, 0]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1792 %!assert(diag ([1; 2; 3],-1), [0, 0, 0, 0; 1, 0, 0, 0; 0, 2, 0, 0; 0, 0, 3, 0]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1793 %!assert(diag ([1; 2; 3],-2), [0, 0, 0, 0, 0; 0, 0, 0, 0, 0; 1, 0, 0, 0, 0; 0, 2, 0, 0, 0; 0, 0, 3, 0, 0]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1794
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1795 %!assert(diag ([1, 0, 0; 0, 2, 0; 0, 0, 3]), [1; 2; 3]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1796 %!assert(diag ([0, 1, 0, 0; 0, 0, 2, 0; 0, 0, 0, 3; 0, 0, 0, 0], 1), [1; 2; 3]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1797 %!assert(diag ([0, 0, 0, 0; 1, 0, 0, 0; 0, 2, 0, 0; 0, 0, 3, 0], -1), [1; 2; 3]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1798
8459 d17874a6f161 improve indexing of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8458 diff changeset	1799 %!assert(full (diag (single([1; 2; 3]))), single([1, 0, 0; 0, 2, 0; 0, 0, 3]));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1800 %!assert(diag (single([1; 2; 3]), 1), single([0, 1, 0, 0; 0, 0, 2, 0; 0, 0, 0, 3; 0, 0, 0, 0]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1801 %!assert(diag (single([1; 2; 3]), 2), single([0, 0, 1, 0, 0; 0, 0, 0, 2, 0; 0, 0, 0, 0, 3; 0, 0, 0, 0, 0; 0, 0, 0, 0, 0]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1802 %!assert(diag (single([1; 2; 3]),-1), single([0, 0, 0, 0; 1, 0, 0, 0; 0, 2, 0, 0; 0, 0, 3, 0]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1803 %!assert(diag (single([1; 2; 3]),-2), single([0, 0, 0, 0, 0; 0, 0, 0, 0, 0; 1, 0, 0, 0, 0; 0, 2, 0, 0, 0; 0, 0, 3, 0, 0]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1804
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1805 %!assert(diag (single([1, 0, 0; 0, 2, 0; 0, 0, 3])), single([1; 2; 3]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1806 %!assert(diag (single([0, 1, 0, 0; 0, 0, 2, 0; 0, 0, 0, 3; 0, 0, 0, 0]), 1), single([1; 2; 3]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1807 %!assert(diag (single([0, 0, 0, 0; 1, 0, 0, 0; 0, 2, 0, 0; 0, 0, 3, 0]), -1), single([1; 2; 3]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1808
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1809 %!assert(diag (int8([1; 2; 3])), int8([1, 0, 0; 0, 2, 0; 0, 0, 3]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1810 %!assert(diag (int8([1; 2; 3]), 1), int8([0, 1, 0, 0; 0, 0, 2, 0; 0, 0, 0, 3; 0, 0, 0, 0]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1811 %!assert(diag (int8([1; 2; 3]), 2), int8([0, 0, 1, 0, 0; 0, 0, 0, 2, 0; 0, 0, 0, 0, 3; 0, 0, 0, 0, 0; 0, 0, 0, 0, 0]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1812 %!assert(diag (int8([1; 2; 3]),-1), int8([0, 0, 0, 0; 1, 0, 0, 0; 0, 2, 0, 0; 0, 0, 3, 0]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1813 %!assert(diag (int8([1; 2; 3]),-2), int8([0, 0, 0, 0, 0; 0, 0, 0, 0, 0; 1, 0, 0, 0, 0; 0, 2, 0, 0, 0; 0, 0, 3, 0, 0]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1814
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1815 %!assert(diag (int8([1, 0, 0; 0, 2, 0; 0, 0, 3])), int8([1; 2; 3]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1816 %!assert(diag (int8([0, 1, 0, 0; 0, 0, 2, 0; 0, 0, 0, 3; 0, 0, 0, 0]), 1), int8([1; 2; 3]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1817 %!assert(diag (int8([0, 0, 0, 0; 1, 0, 0, 0; 0, 2, 0, 0; 0, 0, 3, 0]), -1), int8([1; 2; 3]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1818
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1819 %!error <Invalid call to diag.*> diag ();
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1820
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1821 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1822
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	1823 DEFUN (prod, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	1824 "-- texinfo --\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1825 @deftypefn {Built-in Function} {} prod (@var{x})\n\
9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1826 @deftypefnx {Built-in Function} {} prod (@var{x}, @var{dim})\n\
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1827 Product of elements along dimension @var{dim}. If @var{dim} is\n\
9723 f426899f4b9c fix reduction functions docstrings Jaroslav Hajek <highegg@gmail.com> parents: 9721 diff changeset	1828 omitted, it defaults to the first non-singleton dimension.\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1829 @seealso{cumprod, sum}\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	1830 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1831 {
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1832 DATA_REDUCTION (prod);
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1833 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1834
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1835 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1836
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1837 %!assert (prod ([1, 2, 3]), 6);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1838 %!assert (prod ([-1; -2; -3]), -6);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1839 %!assert (prod ([i, 2+i, -3+2i, 4]), -4 - 32i);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1840 %!assert (prod ([1, 2, 3; i, 2i, 3i; 1+i, 2+2i, 3+3i]), [-1+i, -8+8i, -27+27i]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1841
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1842 %!assert (prod (single([1, 2, 3])), single(6));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1843 %!assert (prod (single([-1; -2; -3])), single(-6));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1844 %!assert (prod (single([i, 2+i, -3+2i, 4])), single(-4 - 32i));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1845 %!assert (prod (single([1, 2, 3; i, 2i, 3i; 1+i, 2+2i, 3+3i])), single([-1+i, -8+8i, -27+27i]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1846
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1847 %!error <Invalid call to prod.*> prod ();
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1848
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1849 %!assert (prod ([1, 2; 3, 4], 1), [3, 8]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1850 %!assert (prod ([1, 2; 3, 4], 2), [2; 12]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1851 %!assert (prod (zeros (1, 0)), 1);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1852 %!assert (prod (zeros (1, 0), 1), zeros (1, 0));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1853 %!assert (prod (zeros (1, 0), 2), 1);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1854 %!assert (prod (zeros (0, 1)), 1);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1855 %!assert (prod (zeros (0, 1), 1), 1);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1856 %!assert (prod (zeros (0, 1), 2), zeros (0, 1));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1857 %!assert (prod (zeros (2, 0)), zeros (1, 0));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1858 %!assert (prod (zeros (2, 0), 1), zeros (1, 0));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1859 %!assert (prod (zeros (2, 0), 2), [1; 1]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1860 %!assert (prod (zeros (0, 2)), [1, 1]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1861 %!assert (prod (zeros (0, 2), 1), [1, 1]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1862 %!assert (prod (zeros (0, 2), 2), zeros(0, 1));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1863
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1864 %!assert (prod (single([1, 2; 3, 4]), 1), single([3, 8]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1865 %!assert (prod (single([1, 2; 3, 4]), 2), single([2; 12]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1866 %!assert (prod (zeros (1, 0, 'single')), single(1));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1867 %!assert (prod (zeros (1, 0, 'single'), 1), zeros (1, 0, 'single'));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1868 %!assert (prod (zeros (1, 0, 'single'), 2), single(1));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1869 %!assert (prod (zeros (0, 1, 'single')), single(1));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1870 %!assert (prod (zeros (0, 1, 'single'), 1), single(1));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1871 %!assert (prod (zeros (0, 1, 'single'), 2), zeros (0, 1, 'single'));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1872 %!assert (prod (zeros (2, 0, 'single')), zeros (1, 0, 'single'));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1873 %!assert (prod (zeros (2, 0, 'single'), 1), zeros (1, 0, 'single'));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1874 %!assert (prod (zeros (2, 0, 'single'), 2), single([1; 1]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1875 %!assert (prod (zeros (0, 2, 'single')), single([1, 1]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1876 %!assert (prod (zeros (0, 2, 'single'), 1), single([1, 1]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1877 %!assert (prod (zeros (0, 2, 'single'), 2), zeros(0, 1, 'single'));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1878
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1879 */
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1880
8107 8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1881 #define SINGLE_TYPE_CONCAT(TYPE, EXTRACTOR) \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1882 do \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1883 { \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1884 int dv_len = dv.length (); \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1885 Array<octave_idx_type> ra_idx (dv_len > 1 ? dv_len : 2, 0); \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1886 \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1887 for (int j = 1; j < n_args; j++) \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1888 { \
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10076 diff changeset	1889 octave_quit (); \
8107 8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1890 \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1891 TYPE ra = args(j).EXTRACTOR (); \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1892 \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1893 if (! error_state) \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1894 { \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1895 result.insert (ra, ra_idx); \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1896 \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1897 if (error_state) \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1898 return retval; \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1899 \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1900 dim_vector dv_tmp = args (j).dims (); \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1901 \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1902 if (dim >= dv_len) \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1903 { \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1904 if (j > 1) \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1905 error ("%s: indexing error", fname.c_str ()); \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1906 break; \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1907 } \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1908 else \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1909 ra_idx (dim) += (dim < dv_tmp.length () ? dv_tmp (dim) : 1); \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1910 } \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1911 } \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1912 } \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1913 while (0)
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1914
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1915 #define DO_SINGLE_TYPE_CONCAT(TYPE, EXTRACTOR) \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1916 do \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1917 { \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1918 TYPE result (dv); \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1919 \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1920 SINGLE_TYPE_CONCAT(TYPE, EXTRACTOR); \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1921 \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1922 retval = result; \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1923 } \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1924 while (0)
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1925
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1926 static octave_value
4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1927 do_cat (const octave_value_list& args, std::string fname)
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1928 {
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1929 octave_value retval;
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1930
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1931 int n_args = args.length ();
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1932
5714 24f6a13878c2 [project @ 2006-03-23 21:46:09 by jwe] jwe parents: 5677 diff changeset	1933 if (n_args == 1)
24f6a13878c2 [project @ 2006-03-23 21:46:09 by jwe] jwe parents: 5677 diff changeset	1934 retval = Matrix ();
24f6a13878c2 [project @ 2006-03-23 21:46:09 by jwe] jwe parents: 5677 diff changeset	1935 else if (n_args == 2)
24f6a13878c2 [project @ 2006-03-23 21:46:09 by jwe] jwe parents: 5677 diff changeset	1936 retval = args(1);
5507 273612001e3a [project @ 2005-10-26 08:01:24 by dbateman] dbateman parents: 5476 diff changeset	1937 else if (n_args > 2)
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1938 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5164 diff changeset	1939 octave_idx_type dim = args(0).int_value () - 1;
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1940
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1941 if (error_state)
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1942 {
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1943 error ("cat: expecting first argument to be a integer");
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1944 return retval;
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1945 }
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1946
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1947 if (dim >= 0)
4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1948 {
4915 c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4911 diff changeset	1949
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4911 diff changeset	1950 dim_vector dv = args(1).dims ();
8107 8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1951 std::string result_type = args(1).class_name ();
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1952
8107 8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1953 bool all_sq_strings_p = args(1).is_sq_string ();
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1954 bool all_dq_strings_p = args(1).is_dq_string ();
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1955 bool all_real_p = args(1).is_real_type ();
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1956 bool any_sparse_p = args(1).is_sparse_type();
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1957
4915 c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4911 diff changeset	1958 for (int i = 2; i < args.length (); i++)
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4911 diff changeset	1959 {
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4911 diff changeset	1960 // add_dims constructs a dimension vector which holds the
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1961 // dimensions of the final array after concatenation.
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1962
4915 c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4911 diff changeset	1963 if (! dv.concat (args(i).dims (), dim))
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1964 {
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1965 // Dimensions do not match.
4915 c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4911 diff changeset	1966 error ("cat: dimension mismatch");
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1967 return retval;
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1968 }
8113 38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1969
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1970 result_type =
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1971 get_concat_class (result_type, args(i).class_name ());
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1972
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1973 if (all_sq_strings_p && ! args(i).is_sq_string ())
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1974 all_sq_strings_p = false;
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1975 if (all_dq_strings_p && ! args(i).is_dq_string ())
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1976 all_dq_strings_p = false;
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1977 if (all_real_p && ! args(i).is_real_type ())
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1978 all_real_p = false;
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1979 if (!any_sparse_p && args(i).is_sparse_type ())
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1980 any_sparse_p = true;
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1981 }
4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1982
8113 38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1983 if (result_type == "double")
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1984 {
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1985 if (any_sparse_p)
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1986 {
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1987 if (all_real_p)
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1988 DO_SINGLE_TYPE_CONCAT (SparseMatrix, sparse_matrix_value);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1989 else
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1990 DO_SINGLE_TYPE_CONCAT (SparseComplexMatrix, sparse_complex_matrix_value);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1991 }
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1992 else
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1993 {
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1994 if (all_real_p)
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1995 DO_SINGLE_TYPE_CONCAT (NDArray, array_value);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1996 else
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1997 DO_SINGLE_TYPE_CONCAT (ComplexNDArray, complex_array_value);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1998 }
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	1999 }
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2000 else if (result_type == "single")
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2001 {
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2002 if (all_real_p)
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2003 DO_SINGLE_TYPE_CONCAT (FloatNDArray, float_array_value);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2004 else
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2005 DO_SINGLE_TYPE_CONCAT (FloatComplexNDArray,
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2006 float_complex_array_value);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2007 }
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2008 else if (result_type == "char")
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2009 {
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2010 char type = all_dq_strings_p ? '"' : '\'';
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2011
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2012 maybe_warn_string_concat (all_dq_strings_p, all_sq_strings_p);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2013
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2014 charNDArray result (dv, Vstring_fill_char);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2015
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2016 SINGLE_TYPE_CONCAT (charNDArray, char_array_value);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2017
9689 34d6f005db4b eliminate is_string argument from octave_value character array constructors John W. Eaton <jwe@octave.org> parents: 9685 diff changeset	2018 retval = octave_value (result, type);
8113 38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2019 }
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2020 else if (result_type == "logical")
5533 667ad2becb63 [project @ 2005-11-10 21:40:48 by jwe] jwe parents: 5507 diff changeset	2021 {
8113 38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2022 if (any_sparse_p)
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2023 DO_SINGLE_TYPE_CONCAT (SparseBoolMatrix, sparse_bool_matrix_value);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2024 else
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2025 DO_SINGLE_TYPE_CONCAT (boolNDArray, bool_array_value);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2026 }
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2027 else if (result_type == "int8")
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2028 DO_SINGLE_TYPE_CONCAT (int8NDArray, int8_array_value);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2029 else if (result_type == "int16")
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2030 DO_SINGLE_TYPE_CONCAT (int16NDArray, int16_array_value);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2031 else if (result_type == "int32")
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2032 DO_SINGLE_TYPE_CONCAT (int32NDArray, int32_array_value);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2033 else if (result_type == "int64")
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2034 DO_SINGLE_TYPE_CONCAT (int64NDArray, int64_array_value);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2035 else if (result_type == "uint8")
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2036 DO_SINGLE_TYPE_CONCAT (uint8NDArray, uint8_array_value);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2037 else if (result_type == "uint16")
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2038 DO_SINGLE_TYPE_CONCAT (uint16NDArray, uint16_array_value);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2039 else if (result_type == "uint32")
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2040 DO_SINGLE_TYPE_CONCAT (uint32NDArray, uint32_array_value);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2041 else if (result_type == "uint64")
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2042 DO_SINGLE_TYPE_CONCAT (uint64NDArray, uint64_array_value);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2043 else
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2044 {
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2045 // The lines below might seem crazy, since we take a copy
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2046 // of the first argument, resize it to be empty and then resize
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2047 // it to be full. This is done since it means that there is no
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2048 // recopying of data, as would happen if we used a single resize.
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2049 // It should be noted that resize operation is also significantly
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2050 // slower than the do_cat_op function, so it makes sense to have
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2051 // an empty matrix and copy all data.
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2052 //
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2053 // We might also start with a empty octave_value using
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2054 // tmp = octave_value_typeinfo::lookup_type
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2055 // (args(1).type_name());
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2056 // and then directly resize. However, for some types there might
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2057 // be some additional setup needed, and so this should be avoided.
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2058
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2059 octave_value tmp = args (1);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2060 tmp = tmp.resize (dim_vector (0,0)).resize (dv);
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	2061
4915 c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4911 diff changeset	2062 if (error_state)
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4911 diff changeset	2063 return retval;
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2064
8113 38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2065 int dv_len = dv.length ();
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2066 Array<octave_idx_type> ra_idx (dv_len, 0);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2067
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2068 for (int j = 1; j < n_args; j++)
6401 f8cbc0871ed6 [project @ 2007-03-09 15:34:45 by dbateman] dbateman parents: 6399 diff changeset	2069 {
8113 38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2070 // Can't fast return here to skip empty matrices as something
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2071 // like cat(1,[],single([])) must return an empty matrix of
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2072 // the right type.
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2073 tmp = do_cat_op (tmp, args (j), ra_idx);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2074
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2075 if (error_state)
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2076 return retval;
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2077
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2078 dim_vector dv_tmp = args (j).dims ();
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2079
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2080 if (dim >= dv_len)
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2081 {
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2082 if (j > 1)
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2083 error ("%s: indexing error", fname.c_str ());
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2084 break;
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2085 }
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2086 else
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2087 ra_idx (dim) += (dim < dv_tmp.length () ?
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2088 dv_tmp (dim) : 1);
6401 f8cbc0871ed6 [project @ 2007-03-09 15:34:45 by dbateman] dbateman parents: 6399 diff changeset	2089 }
8113 38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2090 retval = tmp;
4915 c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4911 diff changeset	2091 }
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2092
8113 38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2093 if (! error_state)
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2094 {
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2095 // Reshape, chopping trailing singleton dimensions
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2096 dv.chop_trailing_singletons ();
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2097 retval = retval.reshape (dv);
38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2098 }
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2099 }
5533 667ad2becb63 [project @ 2005-11-10 21:40:48 by jwe] jwe parents: 5507 diff changeset	2100 else
667ad2becb63 [project @ 2005-11-10 21:40:48 by jwe] jwe parents: 5507 diff changeset	2101 error ("%s: invalid dimension argument", fname.c_str ());
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2102 }
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2103 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2104 print_usage ();
8113 38a797766a2a Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 8111 diff changeset	2105
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2106 return retval;
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2107 }
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2108
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2109 DEFUN (horzcat, args, ,
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	2110 "-- texinfo --\n\
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2111 @deftypefn {Built-in Function} {} horzcat (@var{array1}, @var{array2}, @dots{}, @var{arrayN})\n\
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2112 Return the horizontal concatenation of N-d array objects, @var{array1},\n\
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2113 @var{array2}, @dots{}, @var{arrayN} along dimension 2.\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	2114 @seealso{cat, vertcat}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	2115 @end deftypefn")
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2116 {
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2117 octave_value_list args_tmp = args;
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2118
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2119 int dim = 2;
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2120
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2121 octave_value d (dim);
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2122
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2123 args_tmp.prepend (d);
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2124
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	2125 return do_cat (args_tmp, "horzcat");
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2126 }
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2127
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2128 DEFUN (vertcat, args, ,
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2129 "-- texinfo --\n\
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2130 @deftypefn {Built-in Function} {} vertcat (@var{array1}, @var{array2}, @dots{}, @var{arrayN})\n\
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2131 Return the vertical concatenation of N-d array objects, @var{array1},\n\
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2132 @var{array2}, @dots{}, @var{arrayN} along dimension 1.\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	2133 @seealso{cat, horzcat}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	2134 @end deftypefn")
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2135 {
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2136 octave_value_list args_tmp = args;
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2137
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2138 int dim = 1;
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2139
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2140 octave_value d (dim);
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2141
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2142 args_tmp.prepend (d);
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2143
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	2144 return do_cat (args_tmp, "vertcat");
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2145 }
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2146
4758 a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2147 DEFUN (cat, args, ,
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2148 "-- texinfo --\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2149 @deftypefn {Built-in Function} {} cat (@var{dim}, @var{array1}, @var{array2}, @dots{}, @var{arrayN})\n\
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2150 Return the concatenation of N-d array objects, @var{array1},\n\
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	2151 @var{array2}, @dots{}, @var{arrayN} along dimension @var{dim}.\n\
4758 a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2152 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2153 @example\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2154 @group\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2155 A = ones (2, 2);\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2156 B = zeros (2, 2);\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2157 cat (2, A, B)\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2158 @result{} ans =\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2159 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2160 1 1 0 0\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2161 1 1 0 0\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2162 @end group\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2163 @end example\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2164 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2165 Alternatively, we can concatenate @var{A} and @var{B} along the\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2166 second dimension the following way:\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2167 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2168 @example\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2169 @group\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2170 [A, B].\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2171 @end group\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2172 @end example\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2173 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2174 @var{dim} can be larger than the dimensions of the N-d array objects\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2175 and the result will thus have @var{dim} dimensions as the\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2176 following example shows:\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2177 @example\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2178 @group\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2179 cat (4, ones(2, 2), zeros (2, 2))\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2180 @result{} ans =\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2181 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2182 ans(:,:,1,1) =\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2183 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2184 1 1\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2185 1 1\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2186 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2187 ans(:,:,1,2) =\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2188 0 0\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2189 0 0\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2190 @end group\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2191 @end example\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	2192 @seealso{horzcat, vertcat}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	2193 @end deftypefn")
4758 a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2194 {
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	2195 return do_cat (args, "cat");
4758 a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2196 }
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	2197
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2198 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2199
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2200 %!function ret = testcat (t1, t2, tr, cmplx)
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2201 %! assert (cat (1, cast ([], t1), cast([], t2)), cast ([], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2202 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2203 %! assert (cat (1, cast (1, t1), cast (2, t2)), cast ([1; 2], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2204 %! assert (cat (1, cast (1, t1), cast ([2; 3], t2)), cast ([1; 2; 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2205 %! assert (cat (1, cast ([1; 2], t1), cast (3, t2)), cast ([1; 2; 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2206 %! assert (cat (1, cast ([1; 2], t1), cast ([3; 4], t2)), cast ([1; 2; 3; 4], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2207 %! assert (cat (2, cast (1, t1), cast (2, t2)), cast ([1, 2], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2208 %! assert (cat (2, cast (1, t1), cast ([2, 3], t2)), cast ([1, 2, 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2209 %! assert (cat (2, cast ([1, 2], t1), cast (3, t2)), cast ([1, 2, 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2210 %! assert (cat (2, cast ([1, 2], t1), cast ([3, 4], t2)), cast ([1, 2, 3, 4], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2211 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2212 %! assert ([cast(1, t1); cast(2, t2)], cast ([1; 2], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2213 %! assert ([cast(1, t1); cast([2; 3], t2)], cast ([1; 2; 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2214 %! assert ([cast([1; 2], t1); cast(3, t2)], cast ([1; 2; 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2215 %! assert ([cast([1; 2], t1); cast([3; 4], t2)], cast ([1; 2; 3; 4], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2216 %! assert ([cast(1, t1), cast(2, t2)], cast ([1, 2], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2217 %! assert ([cast(1, t1), cast([2, 3], t2)], cast ([1, 2, 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2218 %! assert ([cast([1, 2], t1), cast(3, t2)], cast ([1, 2, 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2219 %! assert ([cast([1, 2], t1), cast([3, 4], t2)], cast ([1, 2, 3, 4], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2220 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2221 %! if (nargin == 3 \|\| cmplx)
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2222 %! assert (cat (1, cast (1i, t1), cast (2, t2)), cast ([1i; 2], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2223 %! assert (cat (1, cast (1i, t1), cast ([2; 3], t2)), cast ([1i; 2; 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2224 %! assert (cat (1, cast ([1i; 2], t1), cast (3, t2)), cast ([1i; 2; 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2225 %! assert (cat (1, cast ([1i; 2], t1), cast ([3; 4], t2)), cast ([1i; 2; 3; 4], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2226 %! assert (cat (2, cast (1i, t1), cast (2, t2)), cast ([1i, 2], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2227 %! assert (cat (2, cast (1i, t1), cast ([2, 3], t2)), cast ([1i, 2, 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2228 %! assert (cat (2, cast ([1i, 2], t1), cast (3, t2)), cast ([1i, 2, 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2229 %! assert (cat (2, cast ([1i, 2], t1), cast ([3, 4], t2)), cast ([1i, 2, 3, 4], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2230 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2231 %! assert ([cast(1i, t1); cast(2, t2)], cast ([1i; 2], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2232 %! assert ([cast(1i, t1); cast([2; 3], t2)], cast ([1i; 2; 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2233 %! assert ([cast([1i; 2], t1); cast(3, t2)], cast ([1i; 2; 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2234 %! assert ([cast([1i; 2], t1); cast([3; 4], t2)], cast ([1i; 2; 3; 4], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2235 %! assert ([cast(1i, t1), cast(2, t2)], cast ([1i, 2], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2236 %! assert ([cast(1i, t1), cast([2, 3], t2)], cast ([1i, 2, 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2237 %! assert ([cast([1i, 2], t1), cast(3, t2)], cast ([1i, 2, 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2238 %! assert ([cast([1i, 2], t1), cast([3, 4], t2)], cast ([1i, 2, 3, 4], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2239 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2240 %! assert (cat (1, cast (1, t1), cast (2i, t2)), cast ([1; 2i], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2241 %! assert (cat (1, cast (1, t1), cast ([2i; 3], t2)), cast ([1; 2i; 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2242 %! assert (cat (1, cast ([1; 2], t1), cast (3i, t2)), cast ([1; 2; 3i], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2243 %! assert (cat (1, cast ([1; 2], t1), cast ([3i; 4], t2)), cast ([1; 2; 3i; 4], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2244 %! assert (cat (2, cast (1, t1), cast (2i, t2)), cast ([1, 2i], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2245 %! assert (cat (2, cast (1, t1), cast ([2i, 3], t2)), cast ([1, 2i, 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2246 %! assert (cat (2, cast ([1, 2], t1), cast (3i, t2)), cast ([1, 2, 3i], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2247 %! assert (cat (2, cast ([1, 2], t1), cast ([3i, 4], t2)), cast ([1, 2, 3i, 4], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2248 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2249 %! assert ([cast(1, t1); cast(2i, t2)], cast ([1; 2i], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2250 %! assert ([cast(1, t1); cast([2i; 3], t2)], cast ([1; 2i; 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2251 %! assert ([cast([1; 2], t1); cast(3i, t2)], cast ([1; 2; 3i], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2252 %! assert ([cast([1; 2], t1); cast([3i; 4], t2)], cast ([1; 2; 3i; 4], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2253 %! assert ([cast(1, t1), cast(2i, t2)], cast ([1, 2i], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2254 %! assert ([cast(1, t1), cast([2i, 3], t2)], cast ([1, 2i, 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2255 %! assert ([cast([1, 2], t1), cast(3i, t2)], cast ([1, 2, 3i], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2256 %! assert ([cast([1, 2], t1), cast([3i, 4], t2)], cast ([1, 2, 3i, 4], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2257 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2258 %! assert (cat (1, cast (1i, t1), cast (2i, t2)), cast ([1i; 2i], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2259 %! assert (cat (1, cast (1i, t1), cast ([2i; 3], t2)), cast ([1i; 2i; 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2260 %! assert (cat (1, cast ([1i; 2], t1), cast (3i, t2)), cast ([1i; 2; 3i], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2261 %! assert (cat (1, cast ([1i; 2], t1), cast ([3i; 4], t2)), cast ([1i; 2; 3i; 4], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2262 %! assert (cat (2, cast (1i, t1), cast (2i, t2)), cast ([1i, 2i], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2263 %! assert (cat (2, cast (1i, t1), cast ([2i, 3], t2)), cast ([1i, 2i, 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2264 %! assert (cat (2, cast ([1i, 2], t1), cast (3i, t2)), cast ([1i, 2, 3i], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2265 %! assert (cat (2, cast ([1i, 2], t1), cast ([3i, 4], t2)), cast ([1i, 2, 3i, 4], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2266 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2267 %! assert ([cast(1i, t1); cast(2i, t2)], cast ([1i; 2i], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2268 %! assert ([cast(1i, t1); cast([2i; 3], t2)], cast ([1i; 2i; 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2269 %! assert ([cast([1i; 2], t1); cast(3i, t2)], cast ([1i; 2; 3i], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2270 %! assert ([cast([1i; 2], t1); cast([3i; 4], t2)], cast ([1i; 2; 3i; 4], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2271 %! assert ([cast(1i, t1), cast(2i, t2)], cast ([1i, 2i], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2272 %! assert ([cast(1i, t1), cast([2i, 3], t2)], cast ([1i, 2i, 3], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2273 %! assert ([cast([1i, 2], t1), cast(3i, t2)], cast ([1i, 2, 3i], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2274 %! assert ([cast([1i, 2], t1), cast([3i, 4], t2)], cast ([1i, 2, 3i, 4], tr));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2275 %! endif
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2276 %! ret = true;
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2277
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2278 %!assert (testcat('double', 'double', 'double'));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2279 %!assert (testcat('single', 'double', 'single'));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2280 %!assert (testcat('double', 'single', 'single'));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2281 %!assert (testcat('single', 'single', 'single'));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2282
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2283 %!assert (testcat('double', 'int8', 'int8', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2284 %!assert (testcat('int8', 'double', 'int8', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2285 %!assert (testcat('single', 'int8', 'int8', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2286 %!assert (testcat('int8', 'single', 'int8', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2287 %!assert (testcat('int8', 'int8', 'int8', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2288 %!assert (testcat('double', 'int16', 'int16', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2289 %!assert (testcat('int16', 'double', 'int16', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2290 %!assert (testcat('single', 'int16', 'int16', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2291 %!assert (testcat('int16', 'single', 'int16', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2292 %!assert (testcat('int16', 'int16', 'int16', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2293 %!assert (testcat('double', 'int32', 'int32', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2294 %!assert (testcat('int32', 'double', 'int32', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2295 %!assert (testcat('single', 'int32', 'int32', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2296 %!assert (testcat('int32', 'single', 'int32', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2297 %!assert (testcat('int32', 'int32', 'int32', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2298 %!assert (testcat('double', 'int64', 'int64', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2299 %!assert (testcat('int64', 'double', 'int64', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2300 %!assert (testcat('single', 'int64', 'int64', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2301 %!assert (testcat('int64', 'single', 'int64', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2302 %!assert (testcat('int64', 'int64', 'int64', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2303
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2304 %!assert (testcat('double', 'uint8', 'uint8', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2305 %!assert (testcat('uint8', 'double', 'uint8', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2306 %!assert (testcat('single', 'uint8', 'uint8', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2307 %!assert (testcat('uint8', 'single', 'uint8', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2308 %!assert (testcat('uint8', 'uint8', 'uint8', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2309 %!assert (testcat('double', 'uint16', 'uint16', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2310 %!assert (testcat('uint16', 'double', 'uint16', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2311 %!assert (testcat('single', 'uint16', 'uint16', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2312 %!assert (testcat('uint16', 'single', 'uint16', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2313 %!assert (testcat('uint16', 'uint16', 'uint16', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2314 %!assert (testcat('double', 'uint32', 'uint32', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2315 %!assert (testcat('uint32', 'double', 'uint32', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2316 %!assert (testcat('single', 'uint32', 'uint32', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2317 %!assert (testcat('uint32', 'single', 'uint32', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2318 %!assert (testcat('uint32', 'uint32', 'uint32', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2319 %!assert (testcat('double', 'uint64', 'uint64', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2320 %!assert (testcat('uint64', 'double', 'uint64', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2321 %!assert (testcat('single', 'uint64', 'uint64', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2322 %!assert (testcat('uint64', 'single', 'uint64', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2323 %!assert (testcat('uint64', 'uint64', 'uint64', false));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2324
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2325 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2326
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2327 static octave_value
6959 47f4f4e88166 [project @ 2007-10-04 20:43:32 by jwe] jwe parents: 6953 diff changeset	2328 do_permute (const octave_value_list& args, bool inv)
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2329 {
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2330 octave_value retval;
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2331
5148 9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	2332 if (args.length () == 2 && args(1).length () >= args(1).ndims ())
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2333 {
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2334 Array<int> vec = args(1).int_vector_value ();
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2335
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5747 diff changeset	2336 // FIXME -- maybe we should create an idx_vector object
5148 9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	2337 // here and pass that to permute?
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	2338
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	2339 int n = vec.length ();
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	2340
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	2341 for (int i = 0; i < n; i++)
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	2342 vec(i)--;
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	2343
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2344 octave_value ret = args(0).permute (vec, inv);
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2345
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2346 if (! error_state)
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2347 retval = ret;
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2348 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2349 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2350 print_usage ();
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2351
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2352 return retval;
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2353 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2354
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2355 DEFUN (permute, args, ,
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2356 "-- texinfo --\n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2357 @deftypefn {Built-in Function} {} permute (@var{a}, @var{perm})\n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2358 Return the generalized transpose for an N-d array object @var{a}.\n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2359 The permutation vector @var{perm} must contain the elements\n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2360 @code{1:ndims(a)} (in any order, but each element must appear just once).\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	2361 @seealso{ipermute}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	2362 @end deftypefn")
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2363 {
6959 47f4f4e88166 [project @ 2007-10-04 20:43:32 by jwe] jwe parents: 6953 diff changeset	2364 return do_permute (args, false);
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2365 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2366
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2367 DEFUN (ipermute, args, ,
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2368 "-- texinfo --\n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2369 @deftypefn {Built-in Function} {} ipermute (@var{a}, @var{iperm})\n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2370 The inverse of the @code{permute} function. The expression\n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2371 \n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2372 @example\n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2373 ipermute (permute (a, perm), perm)\n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2374 @end example\n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2375 returns the original array @var{a}.\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	2376 @seealso{permute}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	2377 @end deftypefn")
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2378 {
6959 47f4f4e88166 [project @ 2007-10-04 20:43:32 by jwe] jwe parents: 6953 diff changeset	2379 return do_permute (args, true);
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2380 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	2381
3195 7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	2382 DEFUN (length, args, ,
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2383 "-- texinfo --\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2384 @deftypefn {Built-in Function} {} length (@var{a})\n\
4176 b8ec44432831 [project @ 2002-11-13 02:49:14 by jwe] jwe parents: 4153 diff changeset	2385 Return the `length' of the object @var{a}. For matrix objects, the\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2386 length is the number of rows or columns, whichever is greater (this\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	2387 odd definition is used for compatibility with @sc{matlab}).\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2388 @end deftypefn")
3195 7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	2389 {
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	2390 octave_value retval;
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	2391
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	2392 if (args.length () == 1)
9706 71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2393 retval = args(0).length ();
3195 7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	2394 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2395 print_usage ();
3195 7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	2396
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	2397 return retval;
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	2398 }
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	2399
4554 78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2400 DEFUN (ndims, args, ,
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2401 "-- texinfo --\n\
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2402 @deftypefn {Built-in Function} {} ndims (@var{a})\n\
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2403 Returns the number of dimensions of array @var{a}.\n\
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2404 For any array, the result will always be larger than or equal to 2.\n\
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2405 Trailing singleton dimensions are not counted.\n\
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2406 @end deftypefn")
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2407 {
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2408 octave_value retval;
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2409
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2410 if (args.length () == 1)
9706 71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2411 retval = args(0).ndims ();
4554 78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2412 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2413 print_usage ();
4554 78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2414
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2415 return retval;
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2416 }
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2417
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2418 DEFUN (numel, args, ,
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2419 "-- texinfo --\n\
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2420 @deftypefn {Built-in Function} {} numel (@var{a})\n\
9705 5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2421 @deftypefnx {Built-in Function} {} numel (@var{a}, @var{idx1}, @var{idx2}, @dots{})\n\
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2422 Returns the number of elements in the object @var{a}.\n\
9705 5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2423 Optionally, if indices @var{idx1}, @var{idx2}, @dots{} are supplied,\n\
5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2424 return the number of elements that would result from the indexing\n\
5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2425 @example\n\
5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2426 @var{a}(@var{idx1}, @var{idx2}, @dots{})\n\
5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2427 @end example\n\
5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2428 This method is also called when an object appears as lvalue with cs-list\n\
9758 09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9736 diff changeset	2429 indexing, i.e., @code{object@{@dots{}@}} or @code{object(@dots{}).field}.\n\
5724 82247c2a7520 [project @ 2006-03-30 21:34:52 by jwe] jwe parents: 5714 diff changeset	2430 @seealso{size}\n\
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2431 @end deftypefn")
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2432 {
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2433 octave_value retval;
9329 67fc970dad7d improve indexed assignment using indexed numel Jaroslav Hajek <highegg@gmail.com> parents: 9319 diff changeset	2434 octave_idx_type nargin = args.length ();
67fc970dad7d improve indexed assignment using indexed numel Jaroslav Hajek <highegg@gmail.com> parents: 9319 diff changeset	2435
9705 5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2436 if (nargin == 1)
5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2437 retval = args(0).numel ();
5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2438 else if (nargin > 1)
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2439 {
9705 5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2440 // Don't use numel (const octave_value_list&) here as that corresponds to
5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2441 // an overloaded call, not to builtin!
5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2442 retval = dims_to_numel (args(0).dims (), args.slice (1, nargin-1));
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2443 }
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2444 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2445 print_usage ();
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2446
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2447 return retval;
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2448 }
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2449
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	2450 DEFUN (size, args, nargout,
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2451 "-- texinfo --\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2452 @deftypefn {Built-in Function} {} size (@var{a}, @var{n})\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2453 Return the number rows and columns of @var{a}.\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2454 \n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2455 With one input argument and one output argument, the result is returned\n\
4741 e44d0ac643a5 [project @ 2004-02-05 21:57:50 by jwe] jwe parents: 4739 diff changeset	2456 in a row vector. If there are multiple output arguments, the number of\n\
e44d0ac643a5 [project @ 2004-02-05 21:57:50 by jwe] jwe parents: 4739 diff changeset	2457 rows is assigned to the first, and the number of columns to the second,\n\
e44d0ac643a5 [project @ 2004-02-05 21:57:50 by jwe] jwe parents: 4739 diff changeset	2458 etc. For example,\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2459 \n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2460 @example\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2461 @group\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2462 size ([1, 2; 3, 4; 5, 6])\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2463 @result{} [ 3, 2 ]\n\
1031 59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	2464 \n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2465 [nr, nc] = size ([1, 2; 3, 4; 5, 6])\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2466 @result{} nr = 3\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2467 @result{} nc = 2\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2468 @end group\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2469 @end example\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2470 \n\
4741 e44d0ac643a5 [project @ 2004-02-05 21:57:50 by jwe] jwe parents: 4739 diff changeset	2471 If given a second argument, @code{size} will return the size of the\n\
e44d0ac643a5 [project @ 2004-02-05 21:57:50 by jwe] jwe parents: 4739 diff changeset	2472 corresponding dimension. For example\n\
1031 59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	2473 \n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2474 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	2475 @group\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2476 size ([1, 2; 3, 4; 5, 6], 2)\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2477 @result{} 2\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	2478 @end group\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2479 @end example\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2480 \n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2481 @noindent\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2482 returns the number of columns in the given matrix.\n\
5724 82247c2a7520 [project @ 2006-03-30 21:34:52 by jwe] jwe parents: 5714 diff changeset	2483 @seealso{numel}\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2484 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2485 {
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	2486 octave_value_list retval;
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2487
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2488 int nargin = args.length ();
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2489
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4512 diff changeset	2490 if (nargin == 1)
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2491 {
9706 71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2492 const dim_vector dimensions = args(0).dims ();
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4512 diff changeset	2493
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4512 diff changeset	2494 if (nargout > 1)
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2495 {
9706 71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2496 const dim_vector rdims = dimensions.redim (nargout);
71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2497 retval.resize (nargout);
71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2498 for (int i = 0; i < nargout; i++)
71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2499 retval(i) = rdims(i);
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2500 }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4512 diff changeset	2501 else
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	2502 {
9706 71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2503 int ndims = dimensions.length ();
71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2504
71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2505 NoAlias<Matrix> m (1, ndims);
71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2506
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4512 diff changeset	2507 for (int i = 0; i < ndims; i++)
9706 71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2508 m(i) = dimensions(i);
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4512 diff changeset	2509
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4512 diff changeset	2510 retval(0) = m;
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	2511 }
1031 59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	2512 }
59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	2513 else if (nargin == 2 && nargout < 2)
59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	2514 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5164 diff changeset	2515 octave_idx_type nd = args(1).int_value (true);
1031 59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	2516
59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	2517 if (error_state)
59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	2518 error ("size: expecting scalar as second argument");
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	2519 else
1031 59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	2520 {
9706 71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2521 const dim_vector dv = args(0).dims ();
4741 e44d0ac643a5 [project @ 2004-02-05 21:57:50 by jwe] jwe parents: 4739 diff changeset	2522
4911 14027e0bafa4 [project @ 2004-07-22 19:58:06 by jwe] jwe parents: 4845 diff changeset	2523 if (nd > 0)
14027e0bafa4 [project @ 2004-07-22 19:58:06 by jwe] jwe parents: 4845 diff changeset	2524 {
14027e0bafa4 [project @ 2004-07-22 19:58:06 by jwe] jwe parents: 4845 diff changeset	2525 if (nd <= dv.length ())
14027e0bafa4 [project @ 2004-07-22 19:58:06 by jwe] jwe parents: 4845 diff changeset	2526 retval(0) = dv(nd-1);
14027e0bafa4 [project @ 2004-07-22 19:58:06 by jwe] jwe parents: 4845 diff changeset	2527 else
14027e0bafa4 [project @ 2004-07-22 19:58:06 by jwe] jwe parents: 4845 diff changeset	2528 retval(0) = 1;
14027e0bafa4 [project @ 2004-07-22 19:58:06 by jwe] jwe parents: 4845 diff changeset	2529 }
1031 59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	2530 else
4741 e44d0ac643a5 [project @ 2004-02-05 21:57:50 by jwe] jwe parents: 4739 diff changeset	2531 error ("size: requested dimension (= %d) out of range", nd);
1031 59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	2532 }
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2533 }
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	2534 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2535 print_usage ();
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2536
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2537 return retval;
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2538 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2539
6156 a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2540 DEFUN (size_equal, args, ,
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2541 "-- texinfo --\n\
6561 dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2542 @deftypefn {Built-in Function} {} size_equal (@var{a}, @var{b}, @dots{})\n\
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2543 Return true if the dimensions of all arguments agree.\n\
6156 a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2544 Trailing singleton dimensions are ignored.\n\
10002 e93c9bfff8b8 allow size_equal with 0 arguments Jaroslav Hajek <highegg@gmail.com> parents: 9866 diff changeset	2545 Called with a single or no argument, size_equal returns true.\n\
6156 a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2546 @seealso{size, numel}\n\
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2547 @end deftypefn")
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2548 {
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2549 octave_value retval;
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2550
6561 dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2551 int nargin = args.length ();
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2552
10002 e93c9bfff8b8 allow size_equal with 0 arguments Jaroslav Hajek <highegg@gmail.com> parents: 9866 diff changeset	2553 retval = true;
e93c9bfff8b8 allow size_equal with 0 arguments Jaroslav Hajek <highegg@gmail.com> parents: 9866 diff changeset	2554
8947 1e4b3149365a allow size_equal called with 1 arg Jaroslav Hajek <highegg@gmail.com> parents: 8934 diff changeset	2555 if (nargin >= 1)
6156 a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2556 {
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2557 dim_vector a_dims = args(0).dims ();
6561 dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2558
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2559 for (int i = 1; i < nargin; ++i)
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2560 {
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2561 dim_vector b_dims = args(i).dims ();
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2562
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2563 if (a_dims != b_dims)
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2564 {
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2565 retval = false;
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2566 break;
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2567 }
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2568 }
6156 a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2569 }
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2570
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2571 return retval;
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2572 }
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2573
5602 dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2574 DEFUN (nnz, args, ,
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2575 "-- texinfo --\n\
6156 a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2576 @deftypefn {Built-in Function} {@var{scalar} =} nnz (@var{a})\n\
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2577 Returns the number of non zero elements in @var{a}.\n\
5602 dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2578 @seealso{sparse}\n\
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2579 @end deftypefn")
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2580 {
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2581 octave_value retval;
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2582
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2583 if (args.length () == 1)
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2584 retval = args(0).nnz ();
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2585 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2586 print_usage ();
5602 dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2587
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2588 return retval;
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2589 }
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2590
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2591 DEFUN (nzmax, args, ,
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2592 "-- texinfo --\n\
6156 a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2593 @deftypefn {Built-in Function} {@var{scalar} =} nzmax (@var{SM})\n\
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2594 Return the amount of storage allocated to the sparse matrix @var{SM}.\n\
7001 8b0cfeb06365 [project @ 2007-10-10 18:02:59 by jwe] jwe parents: 6999 diff changeset	2595 Note that Octave tends to crop unused memory at the first opportunity\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	2596 for sparse objects. There are some cases of user created sparse objects\n\
9066 be150a172010 Cleanup documentation for diagperm.texi, sparse.texi Rik <rdrider0-list@yahoo.com> parents: 9064 diff changeset	2597 where the value returned by @dfn{nzmax} will not be the same as @dfn{nnz},\n\
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2598 but in general they will give the same result.\n\
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2599 @seealso{sparse, spalloc}\n\
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2600 @end deftypefn")
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2601 {
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2602 octave_value retval;
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2603
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2604 if (args.length() == 1)
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2605 retval = args(0).nzmax ();
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2606 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2607 print_usage ();
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2608
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2609 return retval;
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2610 }
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2611
5677 a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2612 DEFUN (rows, args, ,
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2613 "-- texinfo --\n\
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2614 @deftypefn {Built-in Function} {} rows (@var{a})\n\
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2615 Return the number of rows of @var{a}.\n\
5724 82247c2a7520 [project @ 2006-03-30 21:34:52 by jwe] jwe parents: 5714 diff changeset	2616 @seealso{size, numel, columns, length, isscalar, isvector, ismatrix}\n\
5677 a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2617 @end deftypefn")
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2618 {
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2619 octave_value retval;
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2620
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2621 if (args.length () == 1)
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2622 retval = args(0).rows ();
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2623 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2624 print_usage ();
5677 a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2625
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2626 return retval;
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2627 }
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2628
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2629 DEFUN (columns, args, ,
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2630 "-- texinfo --\n\
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2631 @deftypefn {Built-in Function} {} columns (@var{a})\n\
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2632 Return the number of columns of @var{a}.\n\
8286 6f2d95255911 fix @seealso references to point to existing anchors Thorsten Meyer <thorsten.meyier@gmx.de> parents: 8129 diff changeset	2633 @seealso{size, numel, rows, length, isscalar, isvector, ismatrix}\n\
5677 a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2634 @end deftypefn")
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2635 {
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2636 octave_value retval;
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2637
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2638 if (args.length () == 1)
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2639 retval = args(0).columns ();
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2640 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2641 print_usage ();
5677 a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2642
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2643 return retval;
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2644 }
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2645
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	2646 DEFUN (sum, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2647 "-- texinfo --\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	2648 @deftypefn {Built-in Function} {} sum (@var{x})\n\
9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	2649 @deftypefnx {Built-in Function} {} sum (@var{x}, @var{dim})\n\
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2650 @deftypefnx {Built-in Function} {} sum (@dots{}, 'native')\n\
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2651 @deftypefnx {Built-in Function} {} sum (@dots{}, 'double')\n\
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2652 @deftypefnx {Built-in Function} {} sum (@dots{}, 'extra')\n\
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	2653 Sum of elements along dimension @var{dim}. If @var{dim} is\n\
9723 f426899f4b9c fix reduction functions docstrings Jaroslav Hajek <highegg@gmail.com> parents: 9721 diff changeset	2654 omitted, it defaults to the first non-singleton dimension.\n\
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2655 \n\
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2656 If the optional argument 'native' is given, then the sum is performed\n\
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2657 in the same type as the original argument, rather than in the default\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	2658 double type. For example\n\
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2659 \n\
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2660 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	2661 @group\n\
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2662 sum ([true, true])\n\
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2663 @result{} 2\n\
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2664 sum ([true, true], 'native')\n\
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2665 @result{} true\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	2666 @end group\n\
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2667 @end example\n\
9723 f426899f4b9c fix reduction functions docstrings Jaroslav Hajek <highegg@gmail.com> parents: 9721 diff changeset	2668 \n\
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2669 On the contrary, if 'double' is given, the sum is performed in double precision\n\
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2670 even for single precision inputs.\n\
9723 f426899f4b9c fix reduction functions docstrings Jaroslav Hajek <highegg@gmail.com> parents: 9721 diff changeset	2671 \n\
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2672 For double precision inputs, 'extra' indicates that a more accurate algorithm\n\
9758 09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9736 diff changeset	2673 than straightforward summation is to be used. For single precision inputs, 'extra' is\n\
09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9736 diff changeset	2674 the same as 'double'. Otherwise, 'extra' has no effect.\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	2675 @seealso{cumsum, sumsq, prod}\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2676 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2677 {
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2678 octave_value retval;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2679
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2680 int nargin = args.length ();
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2681
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2682 bool isnative = false;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2683 bool isdouble = false;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2684 bool isextra = false;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2685
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2686 if (nargin > 1 && args(nargin - 1).is_string ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2687 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2688 std::string str = args(nargin - 1).string_value ();
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2689
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2690 if (! error_state)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2691 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2692 if (str == "native")
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2693 isnative = true;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2694 else if (str == "double")
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2695 isdouble = true;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2696 else if (str == "extra")
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2697 isextra = true;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2698 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2699 error ("sum: unrecognized string argument");
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2700 nargin --;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2701 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2702 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2703
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2704 if (error_state)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2705 return retval;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2706
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2707 if (nargin == 1 \|\| nargin == 2)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2708 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2709 octave_value arg = args(0);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2710
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2711 int dim = -1;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2712 if (nargin == 2)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2713 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2714 dim = args(1).int_value () - 1;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2715 if (dim < 0)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2716 error ("sum: invalid dimension argument = %d", dim + 1);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2717 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2718
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2719 if (! error_state)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2720 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2721 switch (arg.builtin_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2722 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2723 case btyp_double:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2724 if (arg.is_sparse_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2725 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2726 if (isextra)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2727 warning ("sum: 'extra' not yet implemented for sparse matrices");
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2728 retval = arg.sparse_matrix_value ().sum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2729 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2730 else if (isextra)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2731 retval = arg.array_value ().xsum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2732 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2733 retval = arg.array_value ().sum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2734 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2735 case btyp_complex:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2736 if (arg.is_sparse_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2737 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2738 if (isextra)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2739 warning ("sum: 'extra' not yet implemented for sparse matrices");
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2740 retval = arg.sparse_complex_matrix_value ().sum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2741 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2742 else if (isextra)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2743 retval = arg.complex_array_value ().xsum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2744 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2745 retval = arg.complex_array_value ().sum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2746 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2747 case btyp_float:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2748 if (isdouble \|\| isextra)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2749 retval = arg.float_array_value ().dsum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2750 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2751 retval = arg.float_array_value ().sum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2752 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2753 case btyp_float_complex:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2754 if (isdouble \|\| isextra)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2755 retval = arg.float_complex_array_value ().dsum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2756 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2757 retval = arg.float_complex_array_value ().sum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2758 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2759
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2760 #define MAKE_INT_BRANCH(X) \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2761 case btyp_ ## X: \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2762 if (isnative) \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2763 retval = arg.X ## _array_value ().sum (dim); \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2764 else \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2765 retval = arg.X ## _array_value ().dsum (dim); \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2766 break
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2767 MAKE_INT_BRANCH (int8);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2768 MAKE_INT_BRANCH (int16);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2769 MAKE_INT_BRANCH (int32);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2770 MAKE_INT_BRANCH (int64);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2771 MAKE_INT_BRANCH (uint8);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2772 MAKE_INT_BRANCH (uint16);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2773 MAKE_INT_BRANCH (uint32);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2774 MAKE_INT_BRANCH (uint64);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2775 #undef MAKE_INT_BRANCH
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2776
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2777 case btyp_bool:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2778 if (arg.is_sparse_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2779 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2780 if (isnative)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2781 retval = arg.sparse_bool_matrix_value ().any (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2782 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2783 retval = arg.sparse_matrix_value ().sum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2784 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2785 else if (isnative)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2786 retval = arg.bool_array_value ().any (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2787 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2788 retval = arg.bool_array_value ().sum (dim);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2789 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2790
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2791 default:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2792 gripe_wrong_type_arg ("sum", arg);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2793 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2794 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2795 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2796 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2797 print_usage ();
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2798
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2799 return retval;
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2800 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2801
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2802 /*
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2803
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2804 %!assert (sum([true,true]), 2)
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2805 %!assert (sum([true,true],'native'), true)
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2806 %!assert (sum(int8([127,10,-20])), 117);
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2807 %!assert (sum(int8([127,10,-20]),'native'), int8(107));
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2808
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2809 %!assert(sum ([1, 2, 3]), 6)
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2810 %!assert(sum ([-1; -2; -3]), -6);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2811 %!assert(sum ([i, 2+i, -3+2i, 4]), 3+4i);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2812 %!assert(sum ([1, 2, 3; i, 2i, 3i; 1+i, 2+2i, 3+3i]), [2+2i, 4+4i, 6+6i]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2813
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2814 %!assert(sum (single([1, 2, 3])), single(6))
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2815 %!assert(sum (single([-1; -2; -3])), single(-6));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2816 %!assert(sum (single([i, 2+i, -3+2i, 4])), single(3+4i));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2817 %!assert(sum (single([1, 2, 3; i, 2i, 3i; 1+i, 2+2i, 3+3i])), single([2+2i, 4+4i, 6+6i]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2818
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2819 %!error <Invalid call to sum.*> sum ();
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2820
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2821 %!assert (sum ([1, 2; 3, 4], 1), [4, 6]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2822 %!assert (sum ([1, 2; 3, 4], 2), [3; 7]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2823 %!assert (sum (zeros (1, 0)), 0);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2824 %!assert (sum (zeros (1, 0), 1), zeros(1, 0));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2825 %!assert (sum (zeros (1, 0), 2), 0);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2826 %!assert (sum (zeros (0, 1)), 0);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2827 %!assert (sum (zeros (0, 1), 1), 0);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2828 %!assert (sum (zeros (0, 1), 2), zeros(0, 1));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2829 %!assert (sum (zeros (2, 0)), zeros(1, 0));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2830 %!assert (sum (zeros (2, 0), 1), zeros(1, 0));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2831 %!assert (sum (zeros (2, 0), 2), [0; 0]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2832 %!assert (sum (zeros (0, 2)), [0, 0]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2833 %!assert (sum (zeros (0, 2), 1), [0, 0]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2834 %!assert (sum (zeros (0, 2), 2), zeros(0, 1));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2835 %!assert (sum (zeros (2, 2, 0, 3)), zeros(1, 2, 0, 3));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2836 %!assert (sum (zeros (2, 2, 0, 3), 2), zeros(2, 1, 0, 3));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2837 %!assert (sum (zeros (2, 2, 0, 3), 3), zeros(2, 2, 1, 3));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2838 %!assert (sum (zeros (2, 2, 0, 3), 4), zeros(2, 2, 0));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2839 %!assert (sum (zeros (2, 2, 0, 3), 7), zeros(2, 2, 0, 3));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2840
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2841 %!assert (sum (single([1, 2; 3, 4]), 1), single([4, 6]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2842 %!assert (sum (single([1, 2; 3, 4]), 2), single([3; 7]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2843 %!assert (sum (zeros (1, 0, 'single')), single(0));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2844 %!assert (sum (zeros (1, 0, 'single'), 1), zeros(1, 0, 'single'));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2845 %!assert (sum (zeros (1, 0, 'single'), 2), single(0));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2846 %!assert (sum (zeros (0, 1, 'single')), single(0));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2847 %!assert (sum (zeros (0, 1, 'single'), 1), single(0));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2848 %!assert (sum (zeros (0, 1, 'single'), 2), zeros(0, 1, 'single'));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2849 %!assert (sum (zeros (2, 0, 'single')), zeros(1, 0, 'single'));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2850 %!assert (sum (zeros (2, 0, 'single'), 1), zeros(1, 0, 'single'));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2851 %!assert (sum (zeros (2, 0, 'single'), 2), single([0; 0]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2852 %!assert (sum (zeros (0, 2, 'single')), single([0, 0]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2853 %!assert (sum (zeros (0, 2, 'single'), 1), single([0, 0]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2854 %!assert (sum (zeros (0, 2, 'single'), 2), zeros(0, 1, 'single'));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2855 %!assert (sum (zeros (2, 2, 0, 3, 'single')), zeros(1, 2, 0, 3, 'single'));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2856 %!assert (sum (zeros (2, 2, 0, 3, 'single'), 2), zeros(2, 1, 0, 3, 'single'));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2857 %!assert (sum (zeros (2, 2, 0, 3, 'single'), 3), zeros(2, 2, 1, 3, 'single'));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2858 %!assert (sum (zeros (2, 2, 0, 3, 'single'), 4), zeros(2, 2, 0, 'single'));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2859 %!assert (sum (zeros (2, 2, 0, 3, 'single'), 7), zeros(2, 2, 0, 3, 'single'));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2860
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2861 */
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2862
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	2863 DEFUN (sumsq, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2864 "-- texinfo --\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	2865 @deftypefn {Built-in Function} {} sumsq (@var{x})\n\
9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	2866 @deftypefnx {Built-in Function} {} sumsq (@var{x}, @var{dim})\n\
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	2867 Sum of squares of elements along dimension @var{dim}. If @var{dim}\n\
9723 f426899f4b9c fix reduction functions docstrings Jaroslav Hajek <highegg@gmail.com> parents: 9721 diff changeset	2868 is omitted, it defaults to the first non-singleton dimension.\n\
5061 4689ee5e88ec [project @ 2004-11-03 21:23:42 by jwe] jwe parents: 5058 diff changeset	2869 \n\
4689ee5e88ec [project @ 2004-11-03 21:23:42 by jwe] jwe parents: 5058 diff changeset	2870 This function is conceptually equivalent to computing\n\
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	2871 @example\n\
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	2872 sum (x .* conj (x), dim)\n\
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	2873 @end example\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	2874 but it uses less memory and avoids calling @code{conj} if @var{x} is real.\n\
9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	2875 @seealso{sum}\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2876 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2877 {
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	2878 DATA_REDUCTION (sumsq);
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2879 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2880
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2881 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2882
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2883 %!assert(sumsq ([1, 2, 3]), 14)
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2884 %!assert(sumsq ([-1; -2; 4i]), 21);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2885 %!assert(sumsq ([1, 2, 3; 2, 3, 4; 4i, 6i, 2]), [21, 49, 29]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2886
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2887 %!assert(sumsq (single([1, 2, 3])), single(14))
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2888 %!assert(sumsq (single([-1; -2; 4i])), single(21));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2889 %!assert(sumsq (single([1, 2, 3; 2, 3, 4; 4i, 6i, 2])), single([21, 49, 29]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2890
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2891 %!error <Invalid call to sumsq.*> sumsq ();
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2892
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2893 %!assert (sumsq ([1, 2; 3, 4], 1), [10, 20]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2894 %!assert (sumsq ([1, 2; 3, 4], 2), [5; 25]);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2895
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2896 %!assert (sumsq (single([1, 2; 3, 4]), 1), single([10, 20]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2897 %!assert (sumsq (single([1, 2; 3, 4]), 2), single([5; 25]));
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2898
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2899 */
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2900
6688 b26a8e0e42cd [project @ 2007-06-04 06:25:21 by jwe] jwe parents: 6671 diff changeset	2901 DEFUN (islogical, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2902 "-- texinfo --\n\
7144 30c0533e39ae [project @ 2007-11-09 17:37:24 by jwe] jwe parents: 7112 diff changeset	2903 @deftypefn {Built-in Function} {} islogical (@var{x})\n\
6688 b26a8e0e42cd [project @ 2007-06-04 06:25:21 by jwe] jwe parents: 6671 diff changeset	2904 Return true if @var{x} is a logical object.\n\
3439 3234a698073a [project @ 2000-01-14 09:51:14 by jwe] jwe parents: 3428 diff changeset	2905 @end deftypefn")
3209 fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2906 {
fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2907 octave_value retval;
fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2908
fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2909 if (args.length () == 1)
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2910 retval = args(0).is_bool_type ();
3209 fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2911 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2912 print_usage ();
3209 fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2913
fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2914 return retval;
fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2915 }
fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2916
6688 b26a8e0e42cd [project @ 2007-06-04 06:25:21 by jwe] jwe parents: 6671 diff changeset	2917 DEFALIAS (isbool, islogical);
3209 fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2918
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2919 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2920
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2921 %!assert (islogical(true), true)
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2922 %!assert (islogical(false), true)
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2923 %!assert (islogical([true, false]), true)
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2924 %!assert (islogical(1), false)
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2925 %!assert (islogical(1i), false)
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2926 %!assert (islogical([1,1]), false)
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2927 %!assert (islogical(single(1)), false)
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2928 %!assert (islogical(single(1i)), false)
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2929 %!assert (islogical(single([1,1])), false)
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2930
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2931 */
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2932
6223 a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2933 DEFUN (isinteger, args, ,
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2934 "-- texinfo --\n\
6230 06bee64edc08 [project @ 2007-01-08 16:59:35 by jwe] jwe parents: 6223 diff changeset	2935 @deftypefn {Built-in Function} {} isinteger (@var{x})\n\
6223 a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2936 Return true if @var{x} is an integer object (int8, uint8, int16, etc.).\n\
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2937 Note that @code{isinteger (14)} is false because numeric constants in\n\
8429 f34ab2b433e8 One word missing from int8 help string. Francesco PotortÃ¬ <pot@gnu.org> parents: 8366 diff changeset	2938 Octave are double precision floating point values.\n\
6223 a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2939 @seealso{isreal, isnumeric, class, isa}\n\
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2940 @end deftypefn")
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2941 {
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2942 octave_value retval;
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2943
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2944 if (args.length () == 1)
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2945 retval = args(0).is_integer_type ();
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2946 else
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2947 print_usage ();
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2948
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2949 return retval;
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2950 }
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2951
4028 ef75c970c8f5 [project @ 2002-08-09 07:19:02 by jwe] jwe parents: 4025 diff changeset	2952 DEFUN (iscomplex, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2953 "-- texinfo --\n\
4028 ef75c970c8f5 [project @ 2002-08-09 07:19:02 by jwe] jwe parents: 4025 diff changeset	2954 @deftypefn {Built-in Function} {} iscomplex (@var{x})\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2955 Return true if @var{x} is a complex-valued numeric object.\n\
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2956 @end deftypefn")
3186 edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2957 {
edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2958 octave_value retval;
edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2959
edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2960 if (args.length () == 1)
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2961 retval = args(0).is_complex_type ();
3186 edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2962 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2963 print_usage ();
3186 edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2964
edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2965 return retval;
edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2966 }
edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2967
7576 7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2968 DEFUN (isfloat, args, ,
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2969 "-- texinfo --\n\
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2970 @deftypefn {Built-in Function} {} isfloat (@var{x})\n\
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2971 Return true if @var{x} is a floating-point numeric object.\n\
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2972 @end deftypefn")
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2973 {
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2974 octave_value retval;
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2975
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2976 if (args.length () == 1)
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2977 retval = args(0).is_float_type ();
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2978 else
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2979 print_usage ();
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2980
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2981 return retval;
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2982 }
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2983
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5747 diff changeset	2984 // FIXME -- perhaps this should be implemented with an
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2985 // octave_value member function?
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2986
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2987 DEFUN (complex, args, ,
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2988 "-- texinfo --\n\
9309 fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2989 @deftypefn {Built-in Function} {} complex (@var{x})\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2990 @deftypefnx {Built-in Function} {} complex (@var{re}, @var{im})\n\
9309 fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2991 Return a complex result from real arguments. With 1 real argument @var{x},\n\
fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2992 return the complex result @code{@var{x} + 0i}. With 2 real arguments,\n\
fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2993 return the complex result @code{@var{re} + @var{im}}. @code{complex} can\n\
fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2994 often be more convenient than expressions such as @code{a + i*b}.\n\
fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2995 For example:\n\
fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2996 \n\
fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2997 @example\n\
9758 09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9736 diff changeset	2998 @group\n\
9309 fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2999 complex ([1, 2], [3, 4])\n\
fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	3000 @result{}\n\
fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	3001 1 + 3i 2 + 4i\n\
9758 09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9736 diff changeset	3002 @end group\n\
9309 fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	3003 @end example\n\
fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	3004 @seealso{real, imag, iscomplex}\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3005 @end deftypefn")
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3006 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3007 octave_value retval;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3008
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3009 int nargin = args.length ();
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3010
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3011 if (nargin == 1)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3012 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3013 octave_value arg = args(0);
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3014
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3015 if (arg.is_complex_type ())
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3016 retval = arg;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3017 else
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3018 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3019 if (arg.is_sparse_type ())
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3020 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3021 SparseComplexMatrix val = arg.sparse_complex_matrix_value ();
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3022
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3023 if (! error_state)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3024 retval = octave_value (new octave_sparse_complex_matrix (val));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3025 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3026 else if (arg.is_single_type ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3027 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3028 if (arg.numel () == 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3029 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3030 FloatComplex val = arg.float_complex_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3031
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3032 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3033 retval = octave_value (new octave_float_complex (val));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3034 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3035 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3036 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3037 FloatComplexNDArray val = arg.float_complex_array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3038
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3039 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3040 retval = octave_value (new octave_float_complex_matrix (val));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3041 }
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3042 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3043 else
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3044 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3045 if (arg.numel () == 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3046 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3047 Complex val = arg.complex_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3048
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3049 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3050 retval = octave_value (new octave_complex (val));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3051 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3052 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3053 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3054 ComplexNDArray val = arg.complex_array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3055
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3056 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3057 retval = octave_value (new octave_complex_matrix (val));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3058 }
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3059 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3060
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3061 if (error_state)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3062 error ("complex: invalid conversion");
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3063 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3064 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3065 else if (nargin == 2)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3066 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3067 octave_value re = args(0);
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3068 octave_value im = args(1);
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3069
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3070 if (re.is_sparse_type () && im.is_sparse_type ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3071 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3072 const SparseMatrix re_val = re.sparse_matrix_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3073 const SparseMatrix im_val = im.sparse_matrix_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3074
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3075 if (!error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3076 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3077 if (re.numel () == 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3078 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3079 SparseComplexMatrix result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3080 if (re_val.nnz () == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3081 result = Complex(0, 1) * SparseComplexMatrix (im_val);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3082 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3083 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3084 result = SparseComplexMatrix (im_val.dims (), re_val (0));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3085 octave_idx_type nr = im_val.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3086 octave_idx_type nc = im_val.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3087
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3088 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3089 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3090 octave_idx_type off = j * nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3091 for (octave_idx_type i = im_val.cidx(j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3092 i < im_val.cidx(j + 1); i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3093 result.data (im_val.ridx(i) + off) =
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3094 result.data (im_val.ridx(i) + off) +
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3095 Complex (0, im_val.data (i));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3096 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3097 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3098 retval = octave_value (new octave_sparse_complex_matrix (result));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3099 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3100 else if (im.numel () == 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3101 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3102 SparseComplexMatrix result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3103 if (im_val.nnz () == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3104 result = SparseComplexMatrix (re_val);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3105 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3106 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3107 result = SparseComplexMatrix (re_val.rows(), re_val.cols(), Complex(0, im_val (0)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3108 octave_idx_type nr = re_val.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3109 octave_idx_type nc = re_val.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3110
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3111 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3112 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3113 octave_idx_type off = j * nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3114 for (octave_idx_type i = re_val.cidx(j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3115 i < re_val.cidx(j + 1); i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3116 result.data (re_val.ridx(i) + off) =
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3117 result.data (re_val.ridx(i) + off) +
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3118 re_val.data (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3119 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3120 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3121 retval = octave_value (new octave_sparse_complex_matrix (result));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3122 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3123 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3124 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3125 if (re_val.dims () == im_val.dims ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3126 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3127 SparseComplexMatrix result = SparseComplexMatrix(re_val)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3128 + Complex(0, 1) * SparseComplexMatrix (im_val);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3129 retval = octave_value (new octave_sparse_complex_matrix (result));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3130 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3131 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3132 error ("complex: dimension mismatch");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3133 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3134 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3135 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3136 else if (re.is_single_type () \|\| im.is_single_type ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3137 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3138 if (re.numel () == 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3139 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3140 float re_val = re.float_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3141
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3142 if (im.numel () == 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3143 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3144 float im_val = im.double_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3145
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3146 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3147 retval = octave_value (new octave_float_complex (FloatComplex (re_val, im_val)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3148 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3149 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3150 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3151 const FloatNDArray im_val = im.float_array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3152
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3153 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3154 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3155 FloatComplexNDArray result (im_val.dims (), FloatComplex ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3156
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3157 for (octave_idx_type i = 0; i < im_val.numel (); i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3158 result.xelem (i) = FloatComplex (re_val, im_val(i));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3159
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3160 retval = octave_value (new octave_float_complex_matrix (result));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3161 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3162 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3163 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3164 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3165 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3166 const FloatNDArray re_val = re.float_array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3167
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3168 if (im.numel () == 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3169 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3170 float im_val = im.float_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3171
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3172 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3173 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3174 FloatComplexNDArray result (re_val.dims (), FloatComplex ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3175
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3176 for (octave_idx_type i = 0; i < re_val.numel (); i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3177 result.xelem (i) = FloatComplex (re_val(i), im_val);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3178
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3179 retval = octave_value (new octave_float_complex_matrix (result));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3180 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3181 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3182 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3183 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3184 const FloatNDArray im_val = im.float_array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3185
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3186 if (! error_state)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3187 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3188 if (re_val.dims () == im_val.dims ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3189 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3190 FloatComplexNDArray result (re_val.dims (), FloatComplex ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3191
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3192 for (octave_idx_type i = 0; i < re_val.numel (); i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3193 result.xelem (i) = FloatComplex (re_val(i), im_val(i));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3194
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3195 retval = octave_value (new octave_float_complex_matrix (result));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3196 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3197 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3198 error ("complex: dimension mismatch");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3199 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3200 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3201 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3202 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3203 else if (re.numel () == 1)
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3204 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3205 double re_val = re.double_value ();
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3206
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3207 if (im.numel () == 1)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3208 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3209 double im_val = im.double_value ();
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3210
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3211 if (! error_state)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3212 retval = octave_value (new octave_complex (Complex (re_val, im_val)));
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3213 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3214 else
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3215 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3216 const NDArray im_val = im.array_value ();
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3217
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3218 if (! error_state)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3219 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3220 ComplexNDArray result (im_val.dims (), Complex ());
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3221
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3222 for (octave_idx_type i = 0; i < im_val.numel (); i++)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3223 result.xelem (i) = Complex (re_val, im_val(i));
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3224
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3225 retval = octave_value (new octave_complex_matrix (result));
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3226 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3227 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3228 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3229 else
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3230 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3231 const NDArray re_val = re.array_value ();
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3232
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3233 if (im.numel () == 1)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3234 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3235 double im_val = im.double_value ();
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3236
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3237 if (! error_state)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3238 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3239 ComplexNDArray result (re_val.dims (), Complex ());
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3240
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3241 for (octave_idx_type i = 0; i < re_val.numel (); i++)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3242 result.xelem (i) = Complex (re_val(i), im_val);
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3243
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3244 retval = octave_value (new octave_complex_matrix (result));
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3245 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3246 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3247 else
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3248 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3249 const NDArray im_val = im.array_value ();
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3250
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3251 if (! error_state)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3252 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3253 if (re_val.dims () == im_val.dims ())
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3254 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3255 ComplexNDArray result (re_val.dims (), Complex ());
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3256
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3257 for (octave_idx_type i = 0; i < re_val.numel (); i++)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3258 result.xelem (i) = Complex (re_val(i), im_val(i));
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3259
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3260 retval = octave_value (new octave_complex_matrix (result));
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3261 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3262 else
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3263 error ("complex: dimension mismatch");
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3264 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3265 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3266 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3267
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3268 if (error_state)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3269 error ("complex: invalid conversion");
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3270 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3271 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	3272 print_usage ();
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3273
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3274 return retval;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3275 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	3276
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	3277 DEFUN (isreal, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	3278 "-- texinfo --\n\
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	3279 @deftypefn {Built-in Function} {} isreal (@var{x})\n\
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	3280 Return true if @var{x} is a real-valued numeric object.\n\
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	3281 @end deftypefn")
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	3282 {
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	3283 octave_value retval;
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	3284
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	3285 if (args.length () == 1)
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	3286 retval = args(0).is_real_type ();
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	3287 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	3288 print_usage ();
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	3289
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	3290 return retval;
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	3291 }
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	3292
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3293 DEFUN (isempty, args, ,
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	3294 "-- texinfo --\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	3295 @deftypefn {Built-in Function} {} isempty (@var{a})\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	3296 Return 1 if @var{a} is an empty matrix (either the number of rows, or\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	3297 the number of columns, or both are zero). Otherwise, return 0.\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	3298 @end deftypefn")
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3299 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4176 diff changeset	3300 octave_value retval = false;
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3301
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3302 if (args.length () == 1)
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	3303 retval = args(0).is_empty ();
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3304 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	3305 print_usage ();
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3306
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3307 return retval;
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3308 }
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3309
3206 d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	3310 DEFUN (isnumeric, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	3311 "-- texinfo --\n\
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	3312 @deftypefn {Built-in Function} {} isnumeric (@var{x})\n\
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	3313 Return nonzero if @var{x} is a numeric object.\n\
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	3314 @end deftypefn")
3206 d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	3315 {
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	3316 octave_value retval;
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	3317
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	3318 if (args.length () == 1)
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	3319 retval = args(0).is_numeric_type ();
3206 d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	3320 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	3321 print_usage ();
3206 d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	3322
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	3323 return retval;
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	3324 }
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	3325
4028 ef75c970c8f5 [project @ 2002-08-09 07:19:02 by jwe] jwe parents: 4025 diff changeset	3326 DEFUN (islist, args, ,
3526 cc21933776a1 [project @ 2000-02-02 10:53:27 by jwe] jwe parents: 3523 diff changeset	3327 "-- texinfo --\n\
4028 ef75c970c8f5 [project @ 2002-08-09 07:19:02 by jwe] jwe parents: 4025 diff changeset	3328 @deftypefn {Built-in Function} {} islist (@var{x})\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	3329 Return nonzero if @var{x} is a list.\n\
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	3330 @end deftypefn")
3204 81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3202 diff changeset	3331 {
81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3202 diff changeset	3332 octave_value retval;
81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3202 diff changeset	3333
81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3202 diff changeset	3334 if (args.length () == 1)
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	3335 retval = args(0).is_list ();
3204 81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3202 diff changeset	3336 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	3337 print_usage ();
3204 81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3202 diff changeset	3338
81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3202 diff changeset	3339 return retval;
81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3202 diff changeset	3340 }
81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3202 diff changeset	3341
4028 ef75c970c8f5 [project @ 2002-08-09 07:19:02 by jwe] jwe parents: 4025 diff changeset	3342 DEFUN (ismatrix, args, ,
3321 6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe] jwe parents: 3307 diff changeset	3343 "-- texinfo --\n\
4028 ef75c970c8f5 [project @ 2002-08-09 07:19:02 by jwe] jwe parents: 4025 diff changeset	3344 @deftypefn {Built-in Function} {} ismatrix (@var{a})\n\
3321 6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe] jwe parents: 3307 diff changeset	3345 Return 1 if @var{a} is a matrix. Otherwise, return 0.\n\
3333 15cddaacbc2d [project @ 1999-11-03 19:53:59 by jwe] jwe parents: 3322 diff changeset	3346 @end deftypefn")
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3347 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4176 diff changeset	3348 octave_value retval = false;
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3349
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3350 if (args.length () == 1)
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3351 {
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3352 octave_value arg = args(0);
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3353
9866 b5aa5d9ee6b9 make ismatrix consistent for empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9858 diff changeset	3354 retval = arg.is_matrix_type () \|\| arg.is_scalar_type () \|\| arg.is_range ();
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3355 }
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3356 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	3357 print_usage ();
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3358
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3359 return retval;
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3360 }
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	3361
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3362 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3363
9866 b5aa5d9ee6b9 make ismatrix consistent for empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9858 diff changeset	3364 %!assert(ismatrix ([]));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3365 %!assert(ismatrix (1));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3366 %!assert(ismatrix ([1, 2, 3]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3367 %!assert(ismatrix ([1, 2; 3, 4]));
9866 b5aa5d9ee6b9 make ismatrix consistent for empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9858 diff changeset	3368 %!assert(ismatrix (zeros (3, 2, 4)));
b5aa5d9ee6b9 make ismatrix consistent for empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9858 diff changeset	3369
b5aa5d9ee6b9 make ismatrix consistent for empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9858 diff changeset	3370 %!assert(ismatrix (single([])));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3371 %!assert(ismatrix (single(1)));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3372 %!assert(ismatrix (single([1, 2, 3])));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3373 %!assert(ismatrix (single([1, 2; 3, 4])));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3374
10024 184060864627 allow ismatrix on character matrices Jaroslav Hajek <highegg@gmail.com> parents: 10002 diff changeset	3375 %!assert(ismatrix ("t"));
184060864627 allow ismatrix on character matrices Jaroslav Hajek <highegg@gmail.com> parents: 10002 diff changeset	3376 %!assert(ismatrix ("test"));
184060864627 allow ismatrix on character matrices Jaroslav Hajek <highegg@gmail.com> parents: 10002 diff changeset	3377 %!assert(ismatrix (["test"; "ing"]));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3378
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3379 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3380 %! s.a = 1;
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3381 %! assert(ismatrix (s), false);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3382
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3383 %!error <Invalid call to ismatrix.*> ismatrix ();
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3384 %!error <Invalid call to ismatrix.*> ismatrix ([1, 2; 3, 4], 2);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3385
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3386 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3387
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	3388 static octave_value
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3389 fill_matrix (const octave_value_list& args, int val, const char *fcn)
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3390 {
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	3391 octave_value retval;
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3392
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3393 int nargin = args.length ();
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3394
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3395 oct_data_conv::data_type dt = oct_data_conv::dt_double;
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3396
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3397 dim_vector dims (1, 1);
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3398
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3399 if (nargin > 0 && args(nargin-1).is_string ())
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3400 {
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3401 std::string nm = args(nargin-1).string_value ();
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3402 nargin--;
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3403
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3404 dt = oct_data_conv::string_to_data_type (nm);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3405
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3406 if (error_state)
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3407 return retval;
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3408 }
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3409
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3410 switch (nargin)
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3411 {
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	3412 case 0:
36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	3413 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 767 diff changeset	3414
610 14b2a186a5c0 [project @ 1994-08-14 00:55:49 by jwe] jwe parents: 597 diff changeset	3415 case 1:
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3416 get_dimensions (args(0), fcn, dims);
610 14b2a186a5c0 [project @ 1994-08-14 00:55:49 by jwe] jwe parents: 597 diff changeset	3417 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 767 diff changeset	3418
4563 742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	3419 default:
742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	3420 {
742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	3421 dims.resize (nargin);
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3422
4563 742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	3423 for (int i = 0; i < nargin; i++)
742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	3424 {
6133 e0065af38cf4 [project @ 2006-11-02 03:33:50 by jwe] jwe parents: 5991 diff changeset	3425 dims(i) = args(i).is_empty () ? 0 : args(i).idx_type_value ();
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3426
4563 742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	3427 if (error_state)
742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	3428 {
4732 b484cdca27be [project @ 2004-02-04 04:32:48 by jwe] jwe parents: 4685 diff changeset	3429 error ("%s: expecting scalar integer arguments", fcn);
4563 742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	3430 break;
742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	3431 }
742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	3432 }
742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	3433 }
742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	3434 break;
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3435 }
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3436
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3437 if (! error_state)
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3438 {
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3439 dims.chop_trailing_singletons ();
4565 1db951a4fcd5 [project @ 2003-10-29 13:49:30 by jwe] jwe parents: 4563 diff changeset	3440
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3441 check_dimensions (dims, fcn);
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	3442
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5747 diff changeset	3443 // FIXME -- perhaps this should be made extensible by
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3444 // using the class name to lookup a function to call to create
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3445 // the new value.
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3446
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3447 // Note that automatic narrowing will handle conversion from
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3448 // NDArray to scalar.
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3449
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3450 if (! error_state)
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3451 {
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3452 switch (dt)
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3453 {
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3454 case oct_data_conv::dt_int8:
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3455 retval = int8NDArray (dims, val);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3456 break;
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3457
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3458 case oct_data_conv::dt_uint8:
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3459 retval = uint8NDArray (dims, val);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3460 break;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3461
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3462 case oct_data_conv::dt_int16:
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3463 retval = int16NDArray (dims, val);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3464 break;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3465
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3466 case oct_data_conv::dt_uint16:
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3467 retval = uint16NDArray (dims, val);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3468 break;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3469
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3470 case oct_data_conv::dt_int32:
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3471 retval = int32NDArray (dims, val);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3472 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 767 diff changeset	3473
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3474 case oct_data_conv::dt_uint32:
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3475 retval = uint32NDArray (dims, val);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3476 break;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3477
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3478 case oct_data_conv::dt_int64:
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3479 retval = int64NDArray (dims, val);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3480 break;
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3481
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3482 case oct_data_conv::dt_uint64:
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3483 retval = uint64NDArray (dims, val);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3484 break;
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3485
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3486 case oct_data_conv::dt_single:
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3487 retval = FloatNDArray (dims, val);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3488 break;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3489
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3490 case oct_data_conv::dt_double:
8972 5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8947 diff changeset	3491 {
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8947 diff changeset	3492 if (val == 1 && dims.length () == 2 && dims (0) == 1)
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8947 diff changeset	3493 retval = Range (1.0, 0.0, dims (1)); // packed form
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8947 diff changeset	3494 else
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8947 diff changeset	3495 retval = NDArray (dims, val);
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8947 diff changeset	3496 }
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3497 break;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3498
4986 fac558699d0f [project @ 2004-09-10 15:57:13 by jwe] jwe parents: 4948 diff changeset	3499 case oct_data_conv::dt_logical:
fac558699d0f [project @ 2004-09-10 15:57:13 by jwe] jwe parents: 4948 diff changeset	3500 retval = boolNDArray (dims, val);
fac558699d0f [project @ 2004-09-10 15:57:13 by jwe] jwe parents: 4948 diff changeset	3501 break;
fac558699d0f [project @ 2004-09-10 15:57:13 by jwe] jwe parents: 4948 diff changeset	3502
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3503 default:
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3504 error ("%s: invalid class name", fcn);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3505 break;
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3506 }
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3507 }
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3508 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3509
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3510 return retval;
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3511 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3512
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3513 static octave_value
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3514 fill_matrix (const octave_value_list& args, double val, float fval,
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3515 const char *fcn)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3516 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3517 octave_value retval;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3518
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3519 int nargin = args.length ();
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3520
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3521 oct_data_conv::data_type dt = oct_data_conv::dt_double;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3522
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3523 dim_vector dims (1, 1);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3524
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3525 if (nargin > 0 && args(nargin-1).is_string ())
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3526 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3527 std::string nm = args(nargin-1).string_value ();
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3528 nargin--;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3529
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3530 dt = oct_data_conv::string_to_data_type (nm);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3531
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3532 if (error_state)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3533 return retval;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3534 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3535
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3536 switch (nargin)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3537 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3538 case 0:
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3539 break;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3540
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3541 case 1:
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3542 get_dimensions (args(0), fcn, dims);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3543 break;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3544
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3545 default:
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3546 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3547 dims.resize (nargin);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3548
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3549 for (int i = 0; i < nargin; i++)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3550 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3551 dims(i) = args(i).is_empty () ? 0 : args(i).idx_type_value ();
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3552
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3553 if (error_state)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3554 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3555 error ("%s: expecting scalar integer arguments", fcn);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3556 break;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3557 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3558 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3559 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3560 break;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3561 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3562
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3563 if (! error_state)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3564 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3565 dims.chop_trailing_singletons ();
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3566
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3567 check_dimensions (dims, fcn);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3568
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3569 // Note that automatic narrowing will handle conversion from
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3570 // NDArray to scalar.
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3571
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3572 if (! error_state)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3573 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3574 switch (dt)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3575 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3576 case oct_data_conv::dt_single:
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3577 retval = FloatNDArray (dims, fval);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3578 break;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3579
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3580 case oct_data_conv::dt_double:
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3581 retval = NDArray (dims, val);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3582 break;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3583
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3584 default:
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3585 error ("%s: invalid class name", fcn);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3586 break;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3587 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3588 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3589 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3590
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3591 return retval;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3592 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3593
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3594 static octave_value
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3595 fill_matrix (const octave_value_list& args, double val, const char *fcn)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3596 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3597 octave_value retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3598
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3599 int nargin = args.length ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3600
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3601 oct_data_conv::data_type dt = oct_data_conv::dt_double;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3602
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3603 dim_vector dims (1, 1);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3604
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3605 if (nargin > 0 && args(nargin-1).is_string ())
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3606 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3607 std::string nm = args(nargin-1).string_value ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3608 nargin--;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3609
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3610 dt = oct_data_conv::string_to_data_type (nm);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3611
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3612 if (error_state)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3613 return retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3614 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3615
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3616 switch (nargin)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3617 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3618 case 0:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3619 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3620
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3621 case 1:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3622 get_dimensions (args(0), fcn, dims);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3623 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3624
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3625 default:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3626 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3627 dims.resize (nargin);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3628
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3629 for (int i = 0; i < nargin; i++)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3630 {
6133 e0065af38cf4 [project @ 2006-11-02 03:33:50 by jwe] jwe parents: 5991 diff changeset	3631 dims(i) = args(i).is_empty () ? 0 : args(i).idx_type_value ();
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3632
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3633 if (error_state)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3634 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3635 error ("%s: expecting scalar integer arguments", fcn);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3636 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3637 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3638 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3639 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3640 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3641 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3642
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3643 if (! error_state)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3644 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3645 dims.chop_trailing_singletons ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3646
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3647 check_dimensions (dims, fcn);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3648
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3649 // Note that automatic narrowing will handle conversion from
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3650 // NDArray to scalar.
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3651
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3652 if (! error_state)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3653 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3654 switch (dt)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3655 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3656 case oct_data_conv::dt_single:
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3657 retval = FloatNDArray (dims, static_cast <float> (val));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3658 break;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3659
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3660 case oct_data_conv::dt_double:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3661 retval = NDArray (dims, val);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3662 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3663
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3664 default:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3665 error ("%s: invalid class name", fcn);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3666 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3667 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3668 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3669 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3670
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3671 return retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3672 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3673
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3674 static octave_value
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3675 fill_matrix (const octave_value_list& args, const Complex& val,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3676 const char *fcn)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3677 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3678 octave_value retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3679
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3680 int nargin = args.length ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3681
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3682 oct_data_conv::data_type dt = oct_data_conv::dt_double;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3683
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3684 dim_vector dims (1, 1);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3685
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3686 if (nargin > 0 && args(nargin-1).is_string ())
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3687 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3688 std::string nm = args(nargin-1).string_value ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3689 nargin--;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3690
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3691 dt = oct_data_conv::string_to_data_type (nm);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3692
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3693 if (error_state)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3694 return retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3695 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3696
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3697 switch (nargin)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3698 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3699 case 0:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3700 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3701
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3702 case 1:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3703 get_dimensions (args(0), fcn, dims);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3704 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3705
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3706 default:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3707 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3708 dims.resize (nargin);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3709
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3710 for (int i = 0; i < nargin; i++)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3711 {
6133 e0065af38cf4 [project @ 2006-11-02 03:33:50 by jwe] jwe parents: 5991 diff changeset	3712 dims(i) = args(i).is_empty () ? 0 : args(i).idx_type_value ();
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3713
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3714 if (error_state)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3715 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3716 error ("%s: expecting scalar integer arguments", fcn);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3717 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3718 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3719 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3720 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3721 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3722 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3723
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3724 if (! error_state)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3725 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3726 dims.chop_trailing_singletons ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3727
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3728 check_dimensions (dims, fcn);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3729
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3730 // Note that automatic narrowing will handle conversion from
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3731 // NDArray to scalar.
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3732
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3733 if (! error_state)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3734 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3735 switch (dt)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3736 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3737 case oct_data_conv::dt_single:
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3738 retval = FloatComplexNDArray (dims, static_cast<FloatComplex> (val));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3739 break;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3740
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3741 case oct_data_conv::dt_double:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3742 retval = ComplexNDArray (dims, val);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3743 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3744
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3745 default:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3746 error ("%s: invalid class name", fcn);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3747 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3748 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3749 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3750 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3751
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3752 return retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3753 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3754
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3755 static octave_value
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3756 fill_matrix (const octave_value_list& args, bool val, const char *fcn)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3757 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3758 octave_value retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3759
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3760 int nargin = args.length ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3761
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3762 dim_vector dims (1, 1);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3763
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3764 switch (nargin)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3765 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3766 case 0:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3767 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3768
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3769 case 1:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3770 get_dimensions (args(0), fcn, dims);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3771 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3772
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3773 default:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3774 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3775 dims.resize (nargin);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3776
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3777 for (int i = 0; i < nargin; i++)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3778 {
6133 e0065af38cf4 [project @ 2006-11-02 03:33:50 by jwe] jwe parents: 5991 diff changeset	3779 dims(i) = args(i).is_empty () ? 0 : args(i).idx_type_value ();
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3780
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3781 if (error_state)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3782 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3783 error ("%s: expecting scalar integer arguments", fcn);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3784 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3785 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3786 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3787 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3788 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3789 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3790
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3791 if (! error_state)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3792 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3793 dims.chop_trailing_singletons ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3794
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3795 check_dimensions (dims, fcn);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3796
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3797 // Note that automatic narrowing will handle conversion from
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3798 // NDArray to scalar.
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3799
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3800 if (! error_state)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3801 retval = boolNDArray (dims, val);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3802 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3803
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3804 return retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3805 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3806
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	3807 DEFUN (ones, args, ,
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3808 "-- texinfo --\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3809 @deftypefn {Built-in Function} {} ones (@var{x})\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3810 @deftypefnx {Built-in Function} {} ones (@var{n}, @var{m})\n\
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	3811 @deftypefnx {Built-in Function} {} ones (@var{n}, @var{m}, @var{k}, @dots{})\n\
7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	3812 @deftypefnx {Built-in Function} {} ones (@dots{}, @var{class})\n\
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3813 Return a matrix or N-dimensional array whose elements are all 1.\n\
9428 b317debeb828 data.cc (Fones, Fzeros, Ftrue, Ffalse): update docstring John W. Eaton <jwe@octave.org> parents: 9351 diff changeset	3814 If invoked with a single scalar integer argument, return a square\n\
b317debeb828 data.cc (Fones, Fzeros, Ftrue, Ffalse): update docstring John W. Eaton <jwe@octave.org> parents: 9351 diff changeset	3815 matrix of the specified size. If invoked with two or more scalar\n\
b317debeb828 data.cc (Fones, Fzeros, Ftrue, Ffalse): update docstring John W. Eaton <jwe@octave.org> parents: 9351 diff changeset	3816 integer arguments, or a vector of integer values, return an array with\n\
b317debeb828 data.cc (Fones, Fzeros, Ftrue, Ffalse): update docstring John W. Eaton <jwe@octave.org> parents: 9351 diff changeset	3817 given dimensions.\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3818 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3819 If you need to create a matrix whose values are all the same, you should\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3820 use an expression like\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3821 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3822 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3823 val_matrix = val * ones (n, m)\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3824 @end example\n\
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3825 \n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3826 The optional argument @var{class}, allows @code{ones} to return an array of\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3827 the specified type, for example\n\
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3828 \n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3829 @example\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3830 val = ones (n,m, \"uint8\")\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3831 @end example\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3832 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3833 {
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3834 return fill_matrix (args, 1, "ones");
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3835 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3836
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3837 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3838
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3839 %!assert(ones (3), [1, 1, 1; 1, 1, 1; 1, 1, 1]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3840 %!assert(ones (2, 3), [1, 1, 1; 1, 1, 1]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3841 %!assert(ones (3, 2), [1, 1; 1, 1; 1, 1]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3842 %!assert(size (ones (3, 4, 5)), [3, 4, 5]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3843
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3844 %!assert(ones (3,'single'), single([1, 1, 1; 1, 1, 1; 1, 1, 1]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3845 %!assert(ones (2, 3,'single'), single([1, 1, 1; 1, 1, 1]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3846 %!assert(ones (3, 2,'single'), single([1, 1; 1, 1; 1, 1]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3847 %!assert(size (ones (3, 4, 5, 'single')), [3, 4, 5]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3848
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3849 %!assert(ones (3,'int8'), int8([1, 1, 1; 1, 1, 1; 1, 1, 1]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3850 %!assert(ones (2, 3,'int8'), int8([1, 1, 1; 1, 1, 1]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3851 %!assert(ones (3, 2,'int8'), int8([1, 1; 1, 1; 1, 1]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3852 %!assert(size (ones (3, 4, 5, 'int8')), [3, 4, 5]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3853
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3854 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3855
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	3856 DEFUN (zeros, args, ,
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3857 "-- texinfo --\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3858 @deftypefn {Built-in Function} {} zeros (@var{x})\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3859 @deftypefnx {Built-in Function} {} zeros (@var{n}, @var{m})\n\
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	3860 @deftypefnx {Built-in Function} {} zeros (@var{n}, @var{m}, @var{k}, @dots{})\n\
7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	3861 @deftypefnx {Built-in Function} {} zeros (@dots{}, @var{class})\n\
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3862 Return a matrix or N-dimensional array whose elements are all 0.\n\
9428 b317debeb828 data.cc (Fones, Fzeros, Ftrue, Ffalse): update docstring John W. Eaton <jwe@octave.org> parents: 9351 diff changeset	3863 The arguments are handled the same as the arguments for @code{ones}.\n\
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3864 \n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3865 The optional argument @var{class}, allows @code{zeros} to return an array of\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3866 the specified type, for example\n\
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3867 \n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3868 @example\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3869 val = zeros (n,m, \"uint8\")\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3870 @end example\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3871 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3872 {
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3873 return fill_matrix (args, 0, "zeros");
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3874 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3875
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3876 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3877
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3878 %!assert(zeros (3), [0, 0, 0; 0, 0, 0; 0, 0, 0]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3879 %!assert(zeros (2, 3), [0, 0, 0; 0, 0, 0]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3880 %!assert(zeros (3, 2), [0, 0; 0, 0; 0, 0]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3881 %!assert(size (zeros (3, 4, 5)), [3, 4, 5]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3882
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3883 %!assert(zeros (3,'single'), single([0, 0, 0; 0, 0, 0; 0, 0, 0]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3884 %!assert(zeros (2, 3,'single'), single([0, 0, 0; 0, 0, 0]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3885 %!assert(zeros (3, 2,'single'), single([0, 0; 0, 0; 0, 0]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3886 %!assert(size (zeros (3, 4, 5, 'single')), [3, 4, 5]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3887
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3888 %!assert(zeros (3,'int8'), int8([0, 0, 0; 0, 0, 0; 0, 0, 0]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3889 %!assert(zeros (2, 3,'int8'), int8([0, 0, 0; 0, 0, 0]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3890 %!assert(zeros (3, 2,'int8'), int8([0, 0; 0, 0; 0, 0]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3891 %!assert(size (zeros (3, 4, 5, 'int8')), [3, 4, 5]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3892
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3893 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3894
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3895 DEFUN (Inf, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3896 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3897 @deftypefn {Built-in Function} {} Inf\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3898 @deftypefnx {Built-in Function} {} Inf (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3899 @deftypefnx {Built-in Function} {} Inf (@var{n}, @var{m})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3900 @deftypefnx {Built-in Function} {} Inf (@var{n}, @var{m}, @var{k}, @dots{})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3901 @deftypefnx {Built-in Function} {} Inf (@dots{}, @var{class})\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3902 Return a scalar, matrix or N-dimensional array whose elements are all equal\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3903 to the IEEE representation for positive infinity.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3904 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3905 Infinity is produced when results are too large to be represented using the\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3906 the IEEE floating point format for numbers. Two common examples which\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3907 produce infinity are division by zero and overflow.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3908 @example\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3909 @group\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3910 [1/0 e^800]\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3911 @result{}\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3912 Inf Inf\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3913 @end group\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3914 @end example\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3915 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3916 When called with no arguments, return a scalar with the value @samp{Inf}.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3917 When called with a single argument, return a square matrix with the dimension\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3918 specified. When called with more than one scalar argument the first two\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3919 arguments are taken as the number of rows and columns and any further\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3920 arguments specify additional matrix dimensions.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3921 The optional argument @var{class} specifies the return type and may be\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3922 either \"double\" or \"single\".\n\
9308 f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	3923 @seealso{isinf}\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3924 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3925 {
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3926 return fill_matrix (args, lo_ieee_inf_value (),
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3927 lo_ieee_float_inf_value (), "Inf");
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3928 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3929
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3930 DEFALIAS (inf, Inf);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3931
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3932 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3933
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3934 %!assert(inf (3), [Inf, Inf, Inf; Inf, Inf, Inf; Inf, Inf, Inf]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3935 %!assert(inf (2, 3), [Inf, Inf, Inf; Inf, Inf, Inf]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3936 %!assert(inf (3, 2), [Inf, Inf; Inf, Inf; Inf, Inf]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3937 %!assert(size (inf (3, 4, 5)), [3, 4, 5]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3938
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3939 %!assert(inf (3,'single'), single([Inf, Inf, Inf; Inf, Inf, Inf; Inf, Inf, Inf]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3940 %!assert(inf (2, 3,'single'), single([Inf, Inf, Inf; Inf, Inf, Inf]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3941 %!assert(inf (3, 2,'single'), single([Inf, Inf; Inf, Inf; Inf, Inf]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3942 %!assert(size (inf (3, 4, 5, 'single')), [3, 4, 5]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3943
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3944 %!error(inf (3,'int8'));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3945 %!error(inf (2, 3,'int8'));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3946 %!error(inf (3, 2,'int8'));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3947 %!error(inf (3, 4, 5, 'int8'));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3948
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3949 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3950
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3951 DEFUN (NaN, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3952 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3953 @deftypefn {Built-in Function} {} NaN\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3954 @deftypefnx {Built-in Function} {} NaN (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3955 @deftypefnx {Built-in Function} {} NaN (@var{n}, @var{m})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3956 @deftypefnx {Built-in Function} {} NaN (@var{n}, @var{m}, @var{k}, @dots{})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3957 @deftypefnx {Built-in Function} {} NaN (@dots{}, @var{class})\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3958 Return a scalar, matrix, or N-dimensional array whose elements are all equal\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3959 to the IEEE symbol NaN (Not a Number).\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3960 NaN is the result of operations which do not produce a well defined numerical\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3961 result. Common operations which produce a NaN are arithmetic with infinity\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3962 @tex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3963 ($\\infty - \\infty$), zero divided by zero ($0/0$),\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3964 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	3965 @ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3966 (Inf - Inf), zero divided by zero (0/0),\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	3967 @end ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3968 and any operation involving another NaN value (5 + NaN).\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3969 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3970 Note that NaN always compares not equal to NaN (NaN != NaN). This behavior\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3971 is specified by the IEEE standard for floating point arithmetic. To\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3972 find NaN values, use the @code{isnan} function.\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3973 \n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3974 When called with no arguments, return a scalar with the value @samp{NaN}.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3975 When called with a single argument, return a square matrix with the dimension\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3976 specified. When called with more than one scalar argument the first two\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3977 arguments are taken as the number of rows and columns and any further\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3978 arguments specify additional matrix dimensions.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3979 The optional argument @var{class} specifies the return type and may be\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3980 either \"double\" or \"single\".\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3981 @seealso{isnan}\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3982 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3983 {
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3984 return fill_matrix (args, lo_ieee_nan_value (),
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3985 lo_ieee_float_nan_value (), "NaN");
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3986 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3987
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3988 DEFALIAS (nan, NaN);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3989
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3990 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3991 %!assert(NaN (3), [NaN, NaN, NaN; NaN, NaN, NaN; NaN, NaN, NaN]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3992 %!assert(NaN (2, 3), [NaN, NaN, NaN; NaN, NaN, NaN]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3993 %!assert(NaN (3, 2), [NaN, NaN; NaN, NaN; NaN, NaN]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3994 %!assert(size (NaN (3, 4, 5)), [3, 4, 5]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3995
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3996 %!assert(NaN (3,'single'), single([NaN, NaN, NaN; NaN, NaN, NaN; NaN, NaN, NaN]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3997 %!assert(NaN (2, 3,'single'), single([NaN, NaN, NaN; NaN, NaN, NaN]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3998 %!assert(NaN (3, 2,'single'), single([NaN, NaN; NaN, NaN; NaN, NaN]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3999 %!assert(size (NaN (3, 4, 5, 'single')), [3, 4, 5]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4000
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4001 %!error(NaN (3,'int8'));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4002 %!error(NaN (2, 3,'int8'));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4003 %!error(NaN (3, 2,'int8'));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4004 %!error(NaN (3, 4, 5, 'int8'));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4005
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4006 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4007
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4008 DEFUN (e, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4009 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4010 @deftypefn {Built-in Function} {} e\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4011 @deftypefnx {Built-in Function} {} e (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4012 @deftypefnx {Built-in Function} {} e (@var{n}, @var{m})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4013 @deftypefnx {Built-in Function} {} e (@var{n}, @var{m}, @var{k}, @dots{})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4014 @deftypefnx {Built-in Function} {} e (@dots{}, @var{class})\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4015 Return a scalar, matrix, or N-dimensional array whose elements are all equal\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4016 to the base of natural logarithms. The constant\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4017 @tex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4018 $e$ satisfies the equation $\\log (e) = 1$.\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4019 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	4020 @ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4021 @samp{e} satisfies the equation @code{log} (e) = 1.\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	4022 @end ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4023 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4024 When called with no arguments, return a scalar with the value @math{e}. When\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4025 called with a single argument, return a square matrix with the dimension\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4026 specified. When called with more than one scalar argument the first two\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4027 arguments are taken as the number of rows and columns and any further\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4028 arguments specify additional matrix dimensions.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4029 The optional argument @var{class} specifies the return type and may be\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4030 either \"double\" or \"single\".\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4031 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4032 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4033 #if defined (M_E)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4034 double e_val = M_E;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4035 #else
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4036 double e_val = exp (1.0);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4037 #endif
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4038
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4039 return fill_matrix (args, e_val, "e");
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4040 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4041
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4042 DEFUN (eps, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4043 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4044 @deftypefn {Built-in Function} {} eps\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4045 @deftypefnx {Built-in Function} {} eps (@var{x})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4046 @deftypefnx {Built-in Function} {} eps (@var{n}, @var{m})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4047 @deftypefnx {Built-in Function} {} eps (@var{n}, @var{m}, @var{k}, @dots{})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4048 @deftypefnx {Built-in Function} {} eps (@dots{}, @var{class})\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4049 Return a scalar, matrix or N-dimensional array whose elements are all eps,\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4050 the machine precision. More precisely, @code{eps} is the relative spacing\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4051 between any two adjacent numbers in the machine's floating point system.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4052 This number is obviously system dependent. On machines that support IEEE\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4053 floating point arithmetic, @code{eps} is approximately\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4054 @tex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4055 $2.2204\\times10^{-16}$ for double precision and $1.1921\\times10^{-7}$\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4056 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	4057 @ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4058 2.2204e-16 for double precision and 1.1921e-07\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	4059 @end ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4060 for single precision.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4061 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4062 When called with no arguments, return a scalar with the value\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4063 @code{eps(1.0)}.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4064 Given a single argument @var{x}, return the distance between @var{x} and\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4065 the next largest value.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4066 When called with more than one argument the first two arguments are taken as\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4067 the number of rows and columns and any further\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4068 arguments specify additional matrix dimensions.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4069 The optional argument @var{class} specifies the return type and may be\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4070 either \"double\" or \"single\".\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4071 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4072 {
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4073 int nargin = args.length ();
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4074 octave_value retval;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4075
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4076 if (nargin == 1 && ! args(0).is_string ())
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4077 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4078 if (args(0).is_single_type ())
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4079 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4080 float val = args(0).float_value ();
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4081
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4082 if (! error_state)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4083 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4084 val = ::fabsf(val);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4085 if (xisnan (val) \|\| xisinf (val))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4086 retval = fill_matrix (octave_value ("single"),
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4087 lo_ieee_nan_value (),
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4088 lo_ieee_float_nan_value (), "eps");
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4089 else if (val < FLT_MIN)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4090 retval = fill_matrix (octave_value ("single"), 0e0,
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4091 powf (2.0, -149e0), "eps");
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4092 else
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4093 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4094 int expon;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4095 frexpf (val, &expon);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4096 val = std::pow (static_cast <float> (2.0),
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4097 static_cast <float> (expon - 24));
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4098 retval = fill_matrix (octave_value ("single"), DBL_EPSILON,
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4099 val, "eps");
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4100 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4101 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4102 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4103 else
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4104 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4105 double val = args(0).double_value ();
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4106
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4107 if (! error_state)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4108 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4109 val = ::fabs(val);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4110 if (xisnan (val) \|\| xisinf (val))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4111 retval = fill_matrix (octave_value_list (),
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4112 lo_ieee_nan_value (),
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4113 lo_ieee_float_nan_value (), "eps");
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4114 else if (val < DBL_MIN)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4115 retval = fill_matrix (octave_value_list (),
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4116 pow (2.0, -1074e0), 0e0, "eps");
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4117 else
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4118 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4119 int expon;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4120 frexp (val, &expon);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4121 val = std::pow (static_cast <double> (2.0),
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4122 static_cast <double> (expon - 53));
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4123 retval = fill_matrix (octave_value_list (), val,
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4124 FLT_EPSILON, "eps");
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4125 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4126 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4127 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4128 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4129 else
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4130 retval = fill_matrix (args, DBL_EPSILON, FLT_EPSILON, "eps");
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4131
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4132 return retval;
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4133 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4134
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4135 /*
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4136
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4137 %!assert(eps(1/2),2^(-53))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4138 %!assert(eps(1),2^(-52))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4139 %!assert(eps(2),2^(-51))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4140 %!assert(eps(realmax),2^971)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4141 %!assert(eps(0),2^(-1074))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4142 %!assert(eps(realmin/2),2^(-1074))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4143 %!assert(eps(realmin/16),2^(-1074))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4144 %!assert(eps(Inf),NaN)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4145 %!assert(eps(NaN),NaN)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4146 %!assert(eps(single(1/2)),single(2^(-24)))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4147 %!assert(eps(single(1)),single(2^(-23)))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4148 %!assert(eps(single(2)),single(2^(-22)))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4149 %!assert(eps(realmax('single')),single(2^104))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4150 %!assert(eps(single(0)),single(2^(-149)))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4151 %!assert(eps(realmin('single')/2),single(2^(-149)))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4152 %!assert(eps(realmin('single')/16),single(2^(-149)))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4153 %!assert(eps(single(Inf)),single(NaN))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4154 %!assert(eps(single(NaN)),single(NaN))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4155
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4156 */
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4157
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4158
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4159 DEFUN (pi, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4160 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4161 @deftypefn {Built-in Function} {} pi\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4162 @deftypefnx {Built-in Function} {} pi (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4163 @deftypefnx {Built-in Function} {} pi (@var{n}, @var{m})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4164 @deftypefnx {Built-in Function} {} pi (@var{n}, @var{m}, @var{k}, @dots{})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4165 @deftypefnx {Built-in Function} {} pi (@dots{}, @var{class})\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4166 Return a scalar, matrix, or N-dimensional array whose elements are all equal\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4167 to the ratio of the circumference of a circle to its\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4168 @tex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4169 diameter($\\pi$).\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4170 @end tex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4171 @ifnottex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4172 diameter.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4173 @end ifnottex\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4174 Internally, @code{pi} is computed as @samp{4.0 * atan (1.0)}.\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4175 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4176 When called with no arguments, return a scalar with the value of\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4177 @tex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4178 $\\pi$.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4179 @end tex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4180 @ifnottex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4181 pi.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4182 @end ifnottex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4183 When called with a single argument, return a square matrix with the dimension\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4184 specified. When called with more than one scalar argument the first two\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4185 arguments are taken as the number of rows and columns and any further\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4186 arguments specify additional matrix dimensions.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4187 The optional argument @var{class} specifies the return type and may be\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4188 either \"double\" or \"single\".\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4189 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4190 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4191 #if defined (M_PI)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4192 double pi_val = M_PI;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4193 #else
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4194 double pi_val = 4.0 * atan (1.0);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4195 #endif
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4196
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4197 return fill_matrix (args, pi_val, "pi");
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4198 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4199
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4200 DEFUN (realmax, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4201 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4202 @deftypefn {Built-in Function} {} realmax\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4203 @deftypefnx {Built-in Function} {} realmax (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4204 @deftypefnx {Built-in Function} {} realmax (@var{n}, @var{m})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4205 @deftypefnx {Built-in Function} {} realmax (@var{n}, @var{m}, @var{k}, @dots{})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4206 @deftypefnx {Built-in Function} {} realmax (@dots{}, @var{class})\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4207 Return a scalar, matrix or N-dimensional array whose elements are all equal\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4208 to the largest floating point number that is representable. The actual\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4209 value is system dependent. On machines that support IEEE\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4210 floating point arithmetic, @code{realmax} is approximately\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4211 @tex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4212 $1.7977\\times10^{308}$ for double precision and $3.4028\\times10^{38}$\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4213 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	4214 @ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4215 1.7977e+308 for double precision and 3.4028e+38\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	4216 @end ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4217 for single precision.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4218 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4219 When called with no arguments, return a scalar with the value\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4220 @code{realmax(\"double\")}.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4221 When called with a single argument, return a square matrix with the dimension\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4222 specified. When called with more than one scalar argument the first two\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4223 arguments are taken as the number of rows and columns and any further\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4224 arguments specify additional matrix dimensions.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4225 The optional argument @var{class} specifies the return type and may be\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4226 either \"double\" or \"single\".\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4227 @seealso{realmin, intmax, bitmax}\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4228 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4229 {
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4230 return fill_matrix (args, DBL_MAX, FLT_MAX, "realmax");
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4231 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4232
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4233 DEFUN (realmin, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4234 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4235 @deftypefn {Built-in Function} {} realmin\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4236 @deftypefnx {Built-in Function} {} realmin (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4237 @deftypefnx {Built-in Function} {} realmin (@var{n}, @var{m})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4238 @deftypefnx {Built-in Function} {} realmin (@var{n}, @var{m}, @var{k}, @dots{})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4239 @deftypefnx {Built-in Function} {} realmin (@dots{}, @var{class})\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4240 Return a scalar, matrix or N-dimensional array whose elements are all equal\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4241 to the smallest normalized floating point number that is representable.\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4242 The actual value is system dependent. On machines that support\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4243 IEEE floating point arithmetic, @code{realmin} is approximately\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4244 @tex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4245 $2.2251\\times10^{-308}$ for double precision and $1.1755\\times10^{-38}$\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4246 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	4247 @ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4248 2.2251e-308 for double precision and 1.1755e-38\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	4249 @end ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4250 for single precision.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4251 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4252 When called with no arguments, return a scalar with the value\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4253 @code{realmin(\"double\")}.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4254 When called with a single argument, return a square matrix with the dimension\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4255 specified. When called with more than one scalar argument the first two\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4256 arguments are taken as the number of rows and columns and any further\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4257 arguments specify additional matrix dimensions.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4258 The optional argument @var{class} specifies the return type and may be\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4259 either \"double\" or \"single\".\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4260 @seealso{realmax, intmin}\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4261 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4262 {
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4263 return fill_matrix (args, DBL_MIN, FLT_MIN, "realmin");
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4264 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4265
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4266 DEFUN (I, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4267 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4268 @deftypefn {Built-in Function} {} I\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4269 @deftypefnx {Built-in Function} {} I (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4270 @deftypefnx {Built-in Function} {} I (@var{n}, @var{m})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4271 @deftypefnx {Built-in Function} {} I (@var{n}, @var{m}, @var{k}, @dots{})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4272 @deftypefnx {Built-in Function} {} I (@dots{}, @var{class})\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4273 Return a scalar, matrix, or N-dimensional array whose elements are all equal\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4274 to the pure imaginary unit, defined as\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4275 @tex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4276 $\\sqrt{-1}$.\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4277 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	4278 @ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4279 @code{sqrt (-1)}.\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	4280 @end ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4281 I, and its equivalents i, J, and j, are functions so any of the names may\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4282 be reused for other purposes (such as i for a counter variable).\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4283 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4284 When called with no arguments, return a scalar with the value @math{i}. When\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4285 called with a single argument, return a square matrix with the dimension\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4286 specified. When called with more than one scalar argument the first two\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4287 arguments are taken as the number of rows and columns and any further\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4288 arguments specify additional matrix dimensions.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4289 The optional argument @var{class} specifies the return type and may be\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	4290 either \"double\" or \"single\".\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4291 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4292 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4293 return fill_matrix (args, Complex (0.0, 1.0), "I");
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4294 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4295
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4296 DEFALIAS (i, I);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4297 DEFALIAS (J, I);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4298 DEFALIAS (j, I);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4299
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4300 DEFUN (NA, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4301 "-- texinfo --\n\
9308 f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	4302 @deftypefn {Built-in Function} {} NA\n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	4303 @deftypefnx {Built-in Function} {} NA (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4304 @deftypefnx {Built-in Function} {} NA (@var{n}, @var{m})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4305 @deftypefnx {Built-in Function} {} NA (@var{n}, @var{m}, @var{k}, @dots{})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4306 @deftypefnx {Built-in Function} {} NA (@dots{}, @var{class})\n\
9308 f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	4307 Return a scalar, matrix, or N-dimensional array whose elements are all equal\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4308 to the special constant used to designate missing values.\n\
9308 f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	4309 \n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	4310 Note that NA always compares not equal to NA (NA != NA).\n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	4311 To find NA values, use the @code{isna} function.\n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	4312 \n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	4313 When called with no arguments, return a scalar with the value @samp{NA}.\n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	4314 When called with a single argument, return a square matrix with the dimension\n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	4315 specified. When called with more than one scalar argument the first two\n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	4316 arguments are taken as the number of rows and columns and any further\n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	4317 arguments specify additional matrix dimensions.\n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	4318 The optional argument @var{class} specifies the return type and may be\n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	4319 either \"double\" or \"single\".\n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	4320 @seealso{isna}\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4321 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4322 {
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4323 return fill_matrix (args, lo_ieee_na_value (),
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	4324 lo_ieee_float_na_value (), "NA");
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4325 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4326
7991 139f47cf17ab Change NA value to support single to double precision conversion David Bateman <dbateman@free.fr> parents: 7919 diff changeset	4327 /*
139f47cf17ab Change NA value to support single to double precision conversion David Bateman <dbateman@free.fr> parents: 7919 diff changeset	4328
139f47cf17ab Change NA value to support single to double precision conversion David Bateman <dbateman@free.fr> parents: 7919 diff changeset	4329 %!assert(single(NA('double')),NA('single'))
139f47cf17ab Change NA value to support single to double precision conversion David Bateman <dbateman@free.fr> parents: 7919 diff changeset	4330 %!assert(double(NA('single')),NA('double'))
139f47cf17ab Change NA value to support single to double precision conversion David Bateman <dbateman@free.fr> parents: 7919 diff changeset	4331
139f47cf17ab Change NA value to support single to double precision conversion David Bateman <dbateman@free.fr> parents: 7919 diff changeset	4332 */
139f47cf17ab Change NA value to support single to double precision conversion David Bateman <dbateman@free.fr> parents: 7919 diff changeset	4333
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4334 DEFUN (false, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4335 "-- texinfo --\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4336 @deftypefn {Built-in Function} {} false (@var{x})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4337 @deftypefnx {Built-in Function} {} false (@var{n}, @var{m})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4338 @deftypefnx {Built-in Function} {} false (@var{n}, @var{m}, @var{k}, @dots{})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4339 Return a matrix or N-dimensional array whose elements are all logical 0.\n\
9428 b317debeb828 data.cc (Fones, Fzeros, Ftrue, Ffalse): update docstring John W. Eaton <jwe@octave.org> parents: 9351 diff changeset	4340 The arguments are handled the same as the arguments for @code{ones}.\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4341 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4342 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4343 return fill_matrix (args, false, "false");
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4344 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4345
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4346 DEFUN (true, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4347 "-- texinfo --\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4348 @deftypefn {Built-in Function} {} true (@var{x})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4349 @deftypefnx {Built-in Function} {} true (@var{n}, @var{m})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4350 @deftypefnx {Built-in Function} {} true (@var{n}, @var{m}, @var{k}, @dots{})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4351 Return a matrix or N-dimensional array whose elements are all logical 1.\n\
9428 b317debeb828 data.cc (Fones, Fzeros, Ftrue, Ffalse): update docstring John W. Eaton <jwe@octave.org> parents: 9351 diff changeset	4352 The arguments are handled the same as the arguments for @code{ones}.\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4353 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4354 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	4355 return fill_matrix (args, true, "true");
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	4356 }
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4357
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4358 template <class MT>
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4359 octave_value
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4360 identity_matrix (int nr, int nc)
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4361 {
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4362 octave_value retval;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4363
9685 e793865ede63 implement builtin_type Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	4364 typename MT::element_type one (1);
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4365
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4366 if (nr == 1 && nc == 1)
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4367 retval = one;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4368 else
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4369 {
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4370 dim_vector dims (nr, nc);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4371
9685 e793865ede63 implement builtin_type Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	4372 typename MT::element_type zero (0);
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4373
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4374 MT m (dims, zero);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4375
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4376 if (nr > 0 && nc > 0)
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4377 {
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4378 int n = std::min (nr, nc);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4379
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4380 for (int i = 0; i < n; i++)
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4381 m(i,i) = one;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4382 }
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4383
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4384 retval = m;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4385 }
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4386
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4387 return retval;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4388 }
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4389
5058 11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	4390 #define INSTANTIATE_EYE(T) \
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	4391 template octave_value identity_matrix<T> (int, int)
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	4392
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	4393 INSTANTIATE_EYE (int8NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	4394 INSTANTIATE_EYE (uint8NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	4395 INSTANTIATE_EYE (int16NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	4396 INSTANTIATE_EYE (uint16NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	4397 INSTANTIATE_EYE (int32NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	4398 INSTANTIATE_EYE (uint32NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	4399 INSTANTIATE_EYE (int64NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	4400 INSTANTIATE_EYE (uint64NDArray);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	4401 INSTANTIATE_EYE (FloatNDArray);
5058 11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	4402 INSTANTIATE_EYE (NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	4403 INSTANTIATE_EYE (boolNDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	4404
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4405 static octave_value
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4406 identity_matrix (int nr, int nc, oct_data_conv::data_type dt)
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4407 {
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4408 octave_value retval;
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4409
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5747 diff changeset	4410 // FIXME -- perhaps this should be made extensible by using
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4411 // the class name to lookup a function to call to create the new
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4412 // value.
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4413
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4414 if (! error_state)
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4415 {
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4416 switch (dt)
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4417 {
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4418 case oct_data_conv::dt_int8:
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4419 retval = identity_matrix<int8NDArray> (nr, nc);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4420 break;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4421
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4422 case oct_data_conv::dt_uint8:
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4423 retval = identity_matrix<uint8NDArray> (nr, nc);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4424 break;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4425
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4426 case oct_data_conv::dt_int16:
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4427 retval = identity_matrix<int16NDArray> (nr, nc);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4428 break;
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4429
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4430 case oct_data_conv::dt_uint16:
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4431 retval = identity_matrix<uint16NDArray> (nr, nc);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4432 break;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4433
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4434 case oct_data_conv::dt_int32:
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4435 retval = identity_matrix<int32NDArray> (nr, nc);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4436 break;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4437
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4438 case oct_data_conv::dt_uint32:
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4439 retval = identity_matrix<uint32NDArray> (nr, nc);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4440 break;
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4441
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4442 case oct_data_conv::dt_int64:
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4443 retval = identity_matrix<int64NDArray> (nr, nc);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4444 break;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4445
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4446 case oct_data_conv::dt_uint64:
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4447 retval = identity_matrix<uint64NDArray> (nr, nc);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4448 break;
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4449
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	4450 case oct_data_conv::dt_single:
8366 8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	4451 retval = FloatDiagMatrix (nr, nc, 1.0f);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	4452 break;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	4453
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4454 case oct_data_conv::dt_double:
8366 8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	4455 retval = DiagMatrix (nr, nc, 1.0);
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4456 break;
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4457
4986 fac558699d0f [project @ 2004-09-10 15:57:13 by jwe] jwe parents: 4948 diff changeset	4458 case oct_data_conv::dt_logical:
fac558699d0f [project @ 2004-09-10 15:57:13 by jwe] jwe parents: 4948 diff changeset	4459 retval = identity_matrix<boolNDArray> (nr, nc);
fac558699d0f [project @ 2004-09-10 15:57:13 by jwe] jwe parents: 4948 diff changeset	4460 break;
fac558699d0f [project @ 2004-09-10 15:57:13 by jwe] jwe parents: 4948 diff changeset	4461
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4462 default:
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4463 error ("eye: invalid class name");
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4464 break;
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4465 }
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4466 }
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4467
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4468 return retval;
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4469 }
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4470
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4471 #undef INT_EYE_MATRIX
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4472
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	4473 DEFUN (eye, args, ,
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4474 "-- texinfo --\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4475 @deftypefn {Built-in Function} {} eye (@var{x})\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4476 @deftypefnx {Built-in Function} {} eye (@var{n}, @var{m})\n\
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4477 @deftypefnx {Built-in Function} {} eye (@dots{}, @var{class})\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4478 Return an identity matrix. If invoked with a single scalar argument,\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4479 @code{eye} returns a square matrix with the dimension specified. If you\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4480 supply two scalar arguments, @code{eye} takes them to be the number of\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4481 rows and columns. If given a vector with two elements, @code{eye} uses\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4482 the values of the elements as the number of rows and columns,\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4483 respectively. For example,\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4484 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4485 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4486 @group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4487 eye (3)\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4488 @result{} 1 0 0\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4489 0 1 0\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4490 0 0 1\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4491 @end group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4492 @end example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4493 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4494 The following expressions all produce the same result:\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4495 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4496 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4497 @group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4498 eye (2)\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4499 @equiv{}\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4500 eye (2, 2)\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4501 @equiv{}\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4502 eye (size ([1, 2; 3, 4])\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4503 @end group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4504 @end example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4505 \n\
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4506 The optional argument @var{class}, allows @code{eye} to return an array of\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4507 the specified type, like\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4508 \n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4509 @example\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4510 val = zeros (n,m, \"uint8\")\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4511 @end example\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4512 \n\
6556 8810bbf321ce [project @ 2007-04-20 18:39:40 by jwe] jwe parents: 6518 diff changeset	4513 Calling @code{eye} with no arguments is equivalent to calling it\n\
8810bbf321ce [project @ 2007-04-20 18:39:40 by jwe] jwe parents: 6518 diff changeset	4514 with an argument of 1. This odd definition is for compatibility\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	4515 with @sc{matlab}.\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4516 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4517 {
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	4518 octave_value retval;
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4519
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4520 int nargin = args.length ();
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4521
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4522 oct_data_conv::data_type dt = oct_data_conv::dt_double;
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4523
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4524 // Check for type information.
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4525
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4526 if (nargin > 0 && args(nargin-1).is_string ())
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4527 {
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4528 std::string nm = args(nargin-1).string_value ();
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4529 nargin--;
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4530
7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4531 dt = oct_data_conv::string_to_data_type (nm);
7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4532
7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4533 if (error_state)
7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4534 return retval;
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4535 }
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4536
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4537 switch (nargin)
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4538 {
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	4539 case 0:
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4540 retval = identity_matrix (1, 1, dt);
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	4541 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 767 diff changeset	4542
610 14b2a186a5c0 [project @ 1994-08-14 00:55:49 by jwe] jwe parents: 597 diff changeset	4543 case 1:
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	4544 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5164 diff changeset	4545 octave_idx_type nr, nc;
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	4546 get_dimensions (args(0), "eye", nr, nc);
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	4547
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	4548 if (! error_state)
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4549 retval = identity_matrix (nr, nc, dt);
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	4550 }
610 14b2a186a5c0 [project @ 1994-08-14 00:55:49 by jwe] jwe parents: 597 diff changeset	4551 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 767 diff changeset	4552
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4553 case 2:
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	4554 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5164 diff changeset	4555 octave_idx_type nr, nc;
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	4556 get_dimensions (args(0), args(1), "eye", nr, nc);
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	4557
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	4558 if (! error_state)
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4559 retval = identity_matrix (nr, nc, dt);
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	4560 }
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4561 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 767 diff changeset	4562
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4563 default:
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	4564 print_usage ();
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4565 break;
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4566 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4567
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4568 return retval;
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4569 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4570
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4571
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4572 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4573
8459 d17874a6f161 improve indexing of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8458 diff changeset	4574 %!assert (full (eye(3)), [1, 0, 0; 0, 1, 0; 0, 0, 1]);
d17874a6f161 improve indexing of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8458 diff changeset	4575 %!assert (full (eye(2, 3)), [1, 0, 0; 0, 1, 0]);
d17874a6f161 improve indexing of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8458 diff changeset	4576
d17874a6f161 improve indexing of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8458 diff changeset	4577 %!assert (full (eye(3,'single')), single([1, 0, 0; 0, 1, 0; 0, 0, 1]));
d17874a6f161 improve indexing of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8458 diff changeset	4578 %!assert (full (eye(2, 3,'single')), single([1, 0, 0; 0, 1, 0]));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4579
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4580 %!assert (eye(3,'int8'), int8([1, 0, 0; 0, 1, 0; 0, 0, 1]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4581 %!assert (eye(2, 3,'int8'), int8([1, 0, 0; 0, 1, 0]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4582
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4583 %!error <Invalid call to eye.*> eye (1, 2, 3);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4584
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4585 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4586
9658 3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4587 template <class MT>
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4588 static octave_value
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4589 do_linspace (const octave_value& base, const octave_value& limit,
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4590 octave_idx_type n)
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4591 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4592 typedef typename MT::column_vector_type CVT;
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4593 typedef typename MT::element_type T;
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4594
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4595 octave_value retval;
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4596
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4597 if (base.is_scalar_type ())
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4598 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4599 T bs = octave_value_extract<T> (base);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4600 if (limit.is_scalar_type ())
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4601 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4602 T ls = octave_value_extract<T> (limit);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4603 retval = linspace (bs, ls, n);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4604 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4605 else
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4606 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4607 CVT lv = octave_value_extract<CVT> (limit);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4608 CVT bv (lv.length (), bs);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4609 retval = linspace (bv, lv, n);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4610 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4611 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4612 else
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4613 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4614 CVT bv = octave_value_extract<CVT> (base);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4615 if (limit.is_scalar_type ())
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4616 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4617 T ls = octave_value_extract<T> (limit);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4618 CVT lv (bv.length (), ls);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4619 retval = linspace (bv, lv, n);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4620 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4621 else
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4622 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4623 CVT lv = octave_value_extract<CVT> (limit);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4624 retval = linspace (bv, lv, n);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4625 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4626 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4627
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4628 return retval;
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4629 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4630
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	4631 DEFUN (linspace, args, ,
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4632 "-- texinfo --\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4633 @deftypefn {Built-in Function} {} linspace (@var{base}, @var{limit}, @var{n})\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4634 Return a row vector with @var{n} linearly spaced elements between\n\
6630 0fcc8d65b571 [project @ 2007-05-16 15:32:09 by jwe] jwe parents: 6561 diff changeset	4635 @var{base} and @var{limit}. If the number of elements is greater than one,\n\
0fcc8d65b571 [project @ 2007-05-16 15:32:09 by jwe] jwe parents: 6561 diff changeset	4636 then the @var{base} and @var{limit} are always included in\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4637 the range. If @var{base} is greater than @var{limit}, the elements are\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4638 stored in decreasing order. If the number of points is not specified, a\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4639 value of 100 is used.\n\
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4640 \n\
9658 3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4641 The @code{linspace} function always returns a row vector if both\n\
9758 09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9736 diff changeset	4642 @var{base} and @var{limit} are scalars. If one of them or both are column\n\
9658 3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4643 vectors, @code{linspace} returns a matrix.\n\
6630 0fcc8d65b571 [project @ 2007-05-16 15:32:09 by jwe] jwe parents: 6561 diff changeset	4644 \n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	4645 For compatibility with @sc{matlab}, return the second argument if\n\
6630 0fcc8d65b571 [project @ 2007-05-16 15:32:09 by jwe] jwe parents: 6561 diff changeset	4646 fewer than two values are requested.\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4647 @end deftypefn")
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4648 {
3418 ca92c9d3f882 [project @ 2000-01-12 03:07:47 by jwe] jwe parents: 3373 diff changeset	4649 octave_value retval;
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4650
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4651 int nargin = args.length ();
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4652
6133 e0065af38cf4 [project @ 2006-11-02 03:33:50 by jwe] jwe parents: 5991 diff changeset	4653 octave_idx_type npoints = 100;
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4654
1940 1b193e313c56 [project @ 1996-02-13 16:28:47 by jwe] jwe parents: 1884 diff changeset	4655 if (nargin != 2 && nargin != 3)
1b193e313c56 [project @ 1996-02-13 16:28:47 by jwe] jwe parents: 1884 diff changeset	4656 {
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	4657 print_usage ();
1940 1b193e313c56 [project @ 1996-02-13 16:28:47 by jwe] jwe parents: 1884 diff changeset	4658 return retval;
1b193e313c56 [project @ 1996-02-13 16:28:47 by jwe] jwe parents: 1884 diff changeset	4659 }
1b193e313c56 [project @ 1996-02-13 16:28:47 by jwe] jwe parents: 1884 diff changeset	4660
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4661 if (nargin == 3)
6133 e0065af38cf4 [project @ 2006-11-02 03:33:50 by jwe] jwe parents: 5991 diff changeset	4662 npoints = args(2).idx_type_value ();
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4663
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4664 if (! error_state)
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4665 {
3322 8c6b4de3bdc8 [project @ 1999-10-26 21:33:27 by jwe] jwe parents: 3321 diff changeset	4666 octave_value arg_1 = args(0);
8c6b4de3bdc8 [project @ 1999-10-26 21:33:27 by jwe] jwe parents: 3321 diff changeset	4667 octave_value arg_2 = args(1);
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4668
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	4669 if (arg_1.is_single_type () \|\| arg_2.is_single_type ())
3322 8c6b4de3bdc8 [project @ 1999-10-26 21:33:27 by jwe] jwe parents: 3321 diff changeset	4670 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	4671 if (arg_1.is_complex_type () \|\| arg_2.is_complex_type ())
9658 3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4672 retval = do_linspace<FloatComplexMatrix> (arg_1, arg_2, npoints);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	4673 else
9658 3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4674 retval = do_linspace<FloatMatrix> (arg_1, arg_2, npoints);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4675
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4676 }
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4677 else
3322 8c6b4de3bdc8 [project @ 1999-10-26 21:33:27 by jwe] jwe parents: 3321 diff changeset	4678 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	4679 if (arg_1.is_complex_type () \|\| arg_2.is_complex_type ())
9658 3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4680 retval = do_linspace<ComplexMatrix> (arg_1, arg_2, npoints);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	4681 else
9658 3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4682 retval = do_linspace<Matrix> (arg_1, arg_2, npoints);
3322 8c6b4de3bdc8 [project @ 1999-10-26 21:33:27 by jwe] jwe parents: 3321 diff changeset	4683 }
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4684 }
4732 b484cdca27be [project @ 2004-02-04 04:32:48 by jwe] jwe parents: 4685 diff changeset	4685 else
b484cdca27be [project @ 2004-02-04 04:32:48 by jwe] jwe parents: 4685 diff changeset	4686 error ("linspace: expecting third argument to be an integer");
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4687
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4688 return retval;
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4689 }
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4690
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4691
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4692 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4693
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4694 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4695 %! x1 = linspace (1, 2);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4696 %! x2 = linspace (1, 2, 10);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4697 %! x3 = linspace (1, -2, 10);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4698 %! assert((size (x1) == [1, 100] && x1(1) == 1 && x1(100) == 2
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4699 %! && size (x2) == [1, 10] && x2(1) == 1 && x2(10) == 2
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4700 %! && size (x3) == [1, 10] && x3(1) == 1 && x3(10) == -2));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4701
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4702
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4703 % assert(linspace ([1, 2; 3, 4], 5, 6), linspace (1, 5, 6));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4704
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4705 %!error <Invalid call to linspace.*> linspace ();
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4706 %!error <Invalid call to linspace.*> linspace (1, 2, 3, 4);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4707
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4708 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4709 %! fail("linspace ([1, 2; 3, 4], 5, 6)","warning");
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4710
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4711 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4712
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5747 diff changeset	4713 // FIXME -- should accept dimensions as separate args for N-d
5734 a7d2c47371d2 [project @ 2006-04-04 18:29:13 by jwe] jwe parents: 5731 diff changeset	4714 // arrays as well as 1-d and 2-d arrays.
a7d2c47371d2 [project @ 2006-04-04 18:29:13 by jwe] jwe parents: 5731 diff changeset	4715
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4716 DEFUN (resize, args, ,
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4717 "-- texinfo --\n\
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4718 @deftypefn {Built-in Function} {} resize (@var{x}, @var{m})\n\
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4719 @deftypefnx {Built-in Function} {} resize (@var{x}, @var{m}, @var{n})\n\
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4720 @deftypefnx {Built-in Function} {} resize (@var{x}, @var{m}, @var{n}, @dots{})\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4721 Resize @var{x} cutting off elements as necessary.\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4722 \n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4723 In the result, element with certain indices is equal to the corresponding\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4724 element of @var{x} if the indices are within the bounds of @var{x};\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4725 otherwise, the element is set to zero.\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4726 \n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4727 In other words, the statement\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4728 \n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4729 @example\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4730 y = resize (x, dv);\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4731 @end example\n\
6174 d3c599afc455 [project @ 2006-11-16 17:52:02 by jwe] jwe parents: 6156 diff changeset	4732 \n\
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4733 @noindent\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4734 is equivalent to the following code:\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4735 \n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4736 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	4737 @group\n\
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4738 y = zeros (dv, class (x));\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4739 sz = min (dv, size (x));\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4740 for i = 1:length (sz), idx@{i@} = 1:sz(i); endfor\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4741 y(idx@{:@}) = x(idx@{:@});\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	4742 @end group\n\
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4743 @end example\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4744 \n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4745 @noindent\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4746 but is performed more efficiently.\n\
6174 d3c599afc455 [project @ 2006-11-16 17:52:02 by jwe] jwe parents: 6156 diff changeset	4747 \n\
d3c599afc455 [project @ 2006-11-16 17:52:02 by jwe] jwe parents: 6156 diff changeset	4748 If only @var{m} is supplied and it is a scalar, the dimension of the\n\
d3c599afc455 [project @ 2006-11-16 17:52:02 by jwe] jwe parents: 6156 diff changeset	4749 result is @var{m}-by-@var{m}. If @var{m} is a vector, then the\n\
d3c599afc455 [project @ 2006-11-16 17:52:02 by jwe] jwe parents: 6156 diff changeset	4750 dimensions of the result are given by the elements of @var{m}.\n\
d3c599afc455 [project @ 2006-11-16 17:52:02 by jwe] jwe parents: 6156 diff changeset	4751 If both @var{m} and @var{n} are scalars, then the dimensions of\n\
d3c599afc455 [project @ 2006-11-16 17:52:02 by jwe] jwe parents: 6156 diff changeset	4752 the result are @var{m}-by-@var{n}.\n\
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4753 \n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4754 An object can be resized to more dimensions than it has;\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4755 in such case the missing dimensions are assumed to be 1.\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4756 Resizing an object to fewer dimensions is not possible.\n\
8433 3292bd1bbaa4 Cross reference between postpad and resize Francesco PotortÃ¬ <pot@gnu.org> parents: 8429 diff changeset	4757 @seealso{reshape, postpad}\n\
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4758 @end deftypefn")
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4759 {
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4760 octave_value retval;
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4761 int nargin = args.length ();
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4762
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4763 if (nargin == 2)
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4764 {
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4765 Array<double> vec = args(1).vector_value ();
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4766 int ndim = vec.length ();
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4767 if (ndim == 1)
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4768 {
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4769 octave_idx_type m = static_cast<octave_idx_type> (vec(0));
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4770 retval = args(0);
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4771 retval = retval.resize (dim_vector (m, m), true);
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4772 }
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4773 else
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4774 {
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4775 dim_vector dv;
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4776 dv.resize (ndim);
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4777 for (int i = 0; i < ndim; i++)
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4778 dv(i) = static_cast<octave_idx_type> (vec(i));
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4779 retval = args(0);
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4780 retval = retval.resize (dv, true);
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4781 }
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4782 }
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4783 else if (nargin > 2)
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4784 {
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4785 dim_vector dv;
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4786 dv.resize (nargin - 1);
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4787 for (octave_idx_type i = 1; i < nargin; i++)
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4788 dv(i-1) = static_cast<octave_idx_type> (args(i).scalar_value ());
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4789 if (!error_state)
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4790 {
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4791 retval = args(0);
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4792 retval = retval.resize (dv, true);
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4793 }
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4794
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4795 }
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4796 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	4797 print_usage ();
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4798 return retval;
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4799 }
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4800
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5747 diff changeset	4801 // FIXME -- should use octave_idx_type for dimensions.
5734 a7d2c47371d2 [project @ 2006-04-04 18:29:13 by jwe] jwe parents: 5731 diff changeset	4802
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4803 DEFUN (reshape, args, ,
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4804 "-- texinfo --\n\
6671 9042b00fc45e [project @ 2007-05-30 06:33:29 by jwe] jwe parents: 6630 diff changeset	4805 @deftypefn {Built-in Function} {} reshape (@var{a}, @var{m}, @var{n}, @dots{})\n\
9041 853f96e8008f Cleanup documentation file matrix.texi Rik <rdrider0-list@yahoo.com> parents: 8972 diff changeset	4806 @deftypefnx {Built-in Function} {} reshape (@var{a}, @var{size})\n\
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4807 Return a matrix with the given dimensions whose elements are taken\n\
6671 9042b00fc45e [project @ 2007-05-30 06:33:29 by jwe] jwe parents: 6630 diff changeset	4808 from the matrix @var{a}. The elements of the matrix are accessed in\n\
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4809 column-major order (like Fortran arrays are stored).\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4810 \n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4811 For example,\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4812 \n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4813 @example\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4814 @group\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4815 reshape ([1, 2, 3, 4], 2, 2)\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4816 @result{} 1 3\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4817 2 4\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4818 @end group\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4819 @end example\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4820 \n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4821 @noindent\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4822 Note that the total number of elements in the original\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4823 matrix must match the total number of elements in the new matrix.\n\
5013 1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4824 \n\
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4825 A single dimension of the return matrix can be unknown and is flagged\n\
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4826 by an empty argument.\n\
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4827 @end deftypefn")
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4828 {
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4829 octave_value retval;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4830
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4831 int nargin = args.length ();
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4832
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4833 Array<int> new_size;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4834
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4835 if (nargin == 2)
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4836 new_size = args(1).int_vector_value ();
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4837 else if (nargin > 2)
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4838 {
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4839 new_size.resize (nargin-1);
5013 1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4840 int empty_dim = -1;
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4841
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4842 for (int i = 1; i < nargin; i++)
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4843 {
5013 1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4844 if (args(i).is_empty ())
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4845 if (empty_dim > 0)
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4846 {
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4847 error ("reshape: only a single dimension can be unknown");
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4848 break;
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4849 }
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4850 else
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4851 {
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4852 empty_dim = i;
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4853 new_size(i-1) = 1;
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4854 }
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4855 else
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4856 {
6133 e0065af38cf4 [project @ 2006-11-02 03:33:50 by jwe] jwe parents: 5991 diff changeset	4857 new_size(i-1) = args(i).idx_type_value ();
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4858
5013 1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4859 if (error_state)
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4860 break;
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4861 }
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4862 }
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4863
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4864 if (! error_state && (empty_dim > 0))
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4865 {
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4866 int nel = 1;
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4867 for (int i = 0; i < nargin - 1; i++)
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4868 nel *= new_size(i);
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4869
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4870 if (nel == 0)
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4871 new_size(empty_dim-1) = 0;
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4872 else
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4873 {
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4874 int size_empty_dim = args(0).numel () / nel;
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4875
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4876 if (args(0).numel () != size_empty_dim * nel)
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4877 error ("reshape: size is not divisble by the product of known dimensions (= %d)", nel);
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4878 else
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4879 new_size(empty_dim-1) = size_empty_dim;
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4880 }
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4881 }
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4882 }
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4883 else
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4884 {
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	4885 print_usage ();
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4886 return retval;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4887 }
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4888
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4889 if (error_state)
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4890 {
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4891 error ("reshape: invalid arguments");
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4892 return retval;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4893 }
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4894
4739 7bd3748e2735 [project @ 2004-02-05 18:53:18 by jwe] jwe parents: 4732 diff changeset	4895 // Remove trailing singletons in new_size, but leave at least 2
7bd3748e2735 [project @ 2004-02-05 18:53:18 by jwe] jwe parents: 4732 diff changeset	4896 // elements.
7bd3748e2735 [project @ 2004-02-05 18:53:18 by jwe] jwe parents: 4732 diff changeset	4897
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4898 int n = new_size.length ();
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4899
4739 7bd3748e2735 [project @ 2004-02-05 18:53:18 by jwe] jwe parents: 4732 diff changeset	4900 while (n > 2)
7bd3748e2735 [project @ 2004-02-05 18:53:18 by jwe] jwe parents: 4732 diff changeset	4901 {
7bd3748e2735 [project @ 2004-02-05 18:53:18 by jwe] jwe parents: 4732 diff changeset	4902 if (new_size(n-1) == 1)
7bd3748e2735 [project @ 2004-02-05 18:53:18 by jwe] jwe parents: 4732 diff changeset	4903 n--;
7bd3748e2735 [project @ 2004-02-05 18:53:18 by jwe] jwe parents: 4732 diff changeset	4904 else
7bd3748e2735 [project @ 2004-02-05 18:53:18 by jwe] jwe parents: 4732 diff changeset	4905 break;
7bd3748e2735 [project @ 2004-02-05 18:53:18 by jwe] jwe parents: 4732 diff changeset	4906 }
7bd3748e2735 [project @ 2004-02-05 18:53:18 by jwe] jwe parents: 4732 diff changeset	4907
7bd3748e2735 [project @ 2004-02-05 18:53:18 by jwe] jwe parents: 4732 diff changeset	4908 new_size.resize (n);
7bd3748e2735 [project @ 2004-02-05 18:53:18 by jwe] jwe parents: 4732 diff changeset	4909
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4910 if (n < 2)
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4911 {
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4912 error ("reshape: expecting size to be vector with at least 2 elements");
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4913 return retval;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4914 }
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4915
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4916 dim_vector new_dims;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4917
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4918 new_dims.resize (n);
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4919
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5164 diff changeset	4920 for (octave_idx_type i = 0; i < n; i++)
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4921 new_dims(i) = new_size(i);
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4922
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4923 octave_value arg = args(0);
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4924
8526 17e0ad741fac reshape: improve error message John W. Eaton <jwe@octave.org> parents: 8517 diff changeset	4925 dim_vector dims = arg.dims ();
17e0ad741fac reshape: improve error message John W. Eaton <jwe@octave.org> parents: 8517 diff changeset	4926
17e0ad741fac reshape: improve error message John W. Eaton <jwe@octave.org> parents: 8517 diff changeset	4927 if (new_dims.numel () == dims.numel ())
17e0ad741fac reshape: improve error message John W. Eaton <jwe@octave.org> parents: 8517 diff changeset	4928 retval = (new_dims == dims) ? arg : arg.reshape (new_dims);
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4929 else
8527 6b074f37e8d7 reshape: improve error message John W. Eaton <jwe@octave.org> parents: 8526 diff changeset	4930 {
6b074f37e8d7 reshape: improve error message John W. Eaton <jwe@octave.org> parents: 8526 diff changeset	4931 std::string dims_str = dims.str ();
6b074f37e8d7 reshape: improve error message John W. Eaton <jwe@octave.org> parents: 8526 diff changeset	4932 std::string new_dims_str = new_dims.str ();
6b074f37e8d7 reshape: improve error message John W. Eaton <jwe@octave.org> parents: 8526 diff changeset	4933
6b074f37e8d7 reshape: improve error message John W. Eaton <jwe@octave.org> parents: 8526 diff changeset	4934 error ("reshape: can't reshape %s array to %s array",
6b074f37e8d7 reshape: improve error message John W. Eaton <jwe@octave.org> parents: 8526 diff changeset	4935 dims_str.c_str (), new_dims_str.c_str ());
6b074f37e8d7 reshape: improve error message John W. Eaton <jwe@octave.org> parents: 8526 diff changeset	4936 }
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4937
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4938 return retval;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4939 }
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4940
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4941 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4942
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4943 %!assert(size (reshape (ones (4, 4), 2, 8)), [2, 8])
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4944 %!assert(size (reshape (ones (4, 4), 8, 2)), [8, 2])
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4945 %!assert(size (reshape (ones (15, 4), 1, 60)), [1, 60])
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4946 %!assert(size (reshape (ones (15, 4), 60, 1)), [60, 1])
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4947
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4948 %!assert(size (reshape (ones (4, 4, 'single'), 2, 8)), [2, 8])
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4949 %!assert(size (reshape (ones (4, 4, 'single'), 8, 2)), [8, 2])
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4950 %!assert(size (reshape (ones (15, 4, 'single'), 1, 60)), [1, 60])
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4951 %!assert(size (reshape (ones (15, 4, 'single'), 60, 1)), [60, 1])
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4952
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4953 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4954 %! s.a = 1;
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4955 %! fail("reshape (s, 2, 3)");
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4956
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4957 %!error <Invalid call to reshape.*> reshape ();
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4958 %!error reshape (1, 2, 3, 4);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4959
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4960 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4961
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4962 DEFUN (squeeze, args, ,
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4963 "-- texinfo --\n\
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4964 @deftypefn {Built-in Function} {} squeeze (@var{x})\n\
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4965 Remove singleton dimensions from @var{x} and return the result.\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	4966 Note that for compatibility with @sc{matlab}, all objects have\n\
7007 6304d9ea0a30 [project @ 2007-10-11 16:26:36 by jwe] jwe parents: 7001 diff changeset	4967 a minimum of two dimensions and row vectors are left unchanged.\n\
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4968 @end deftypefn")
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4969 {
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4970 octave_value retval;
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4971
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4972 if (args.length () == 1)
4545 c16f153836a0 [project @ 2003-10-24 04:45:45 by jwe] jwe parents: 4532 diff changeset	4973 retval = args(0).squeeze ();
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4974 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	4975 print_usage ();
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4976
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4977 return retval;
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4978 }
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4979
8458 d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4980 DEFUN (full, args, ,
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4981 "-- texinfo --\n\
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4982 @deftypefn {Loadable Function} {@var{FM} =} full (@var{SM})\n\
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4983 returns a full storage matrix from a sparse, diagonal, permutation matrix or a range.\n\
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4984 @seealso{sparse}\n\
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4985 @end deftypefn")
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4986 {
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4987 octave_value retval;
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4988
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4989 if (args.length () == 1)
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4990 retval = args(0).full_value ();
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4991 else
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4992 print_usage ();
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4993
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4994 return retval;
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4995 }
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4996
6945 6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6887 diff changeset	4997 // Compute various norms of the vector X.
6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6887 diff changeset	4998
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4999 DEFUN (norm, args, ,
6508 184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	5000 "-- texinfo --\n\
9517 a85dbf7b6ff9 fix some functions help markup Jaroslav Hajek <highegg@gmail.com> parents: 9513 diff changeset	5001 @deftypefn {Built-in Function} {} norm (@var{a}, @var{p}, @var{opt})\n\
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5002 Compute the p-norm of the matrix @var{a}. If the second argument is\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5003 missing, @code{p = 2} is assumed.\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5004 \n\
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5005 If @var{a} is a matrix (or sparse matrix):\n\
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5006 \n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5007 @table @asis\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5008 @item @var{p} = @code{1}\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5009 1-norm, the largest column sum of the absolute values of @var{a}.\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5010 \n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5011 @item @var{p} = @code{2}\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5012 Largest singular value of @var{a}.\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5013 \n\
7189 e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7145 diff changeset	5014 @item @var{p} = @code{Inf} or @code{\"inf\"}\n\
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5015 @cindex infinity norm\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5016 Infinity norm, the largest row sum of the absolute values of @var{a}.\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5017 \n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5018 @item @var{p} = @code{\"fro\"}\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5019 @cindex Frobenius norm\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5020 Frobenius norm of @var{a}, @code{sqrt (sum (diag (@var{a}' * @var{a})))}.\n\
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5021 \n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5022 @item other @var{p}, @code{@var{p} > 1}\n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5023 @cindex general p-norm \n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5024 maximum @code{norm (A*x, p)} such that @code{norm (x, p) == 1}\n\
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5025 @end table\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5026 \n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5027 If @var{a} is a vector or a scalar:\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5028 \n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5029 @table @asis\n\
7189 e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7145 diff changeset	5030 @item @var{p} = @code{Inf} or @code{\"inf\"}\n\
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5031 @code{max (abs (@var{a}))}.\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5032 \n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5033 @item @var{p} = @code{-Inf}\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5034 @code{min (abs (@var{a}))}.\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5035 \n\
7189 e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7145 diff changeset	5036 @item @var{p} = @code{\"fro\"}\n\
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7145 diff changeset	5037 Frobenius norm of @var{a}, @code{sqrt (sumsq (abs (a)))}.\n\
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7145 diff changeset	5038 \n\
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5039 @item @var{p} = 0\n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5040 Hamming norm - the number of nonzero elements.\n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5041 \n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5042 @item other @var{p}, @code{@var{p} > 1}\n\
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5043 p-norm of @var{a}, @code{(sum (abs (@var{a}) .^ @var{p})) ^ (1/@var{p})}.\n\
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5044 \n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5045 @item other @var{p} @code{@var{p} < 1}\n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5046 the p-pseudonorm defined as above.\n\
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5047 @end table\n\
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5048 \n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5049 If @code{\"rows\"} is given as @var{opt}, the norms of all rows of the matrix @var{a} are\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	5050 returned as a column vector. Similarly, if @code{\"columns\"} or @code{\"cols\"} is passed\n\
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5051 column norms are computed.\n\
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5052 @seealso{cond, svd}\n\
6508 184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	5053 @end deftypefn")
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	5054 {
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5055 octave_value_list retval;
6508 184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	5056
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	5057 int nargin = args.length ();
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	5058
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5059 if (nargin >= 1 && nargin <= 3)
6508 184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	5060 {
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5061 octave_value x_arg = args(0);
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5062
10185 455759a5fcbe fix norm and svd on empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 10182 diff changeset	5063 if (x_arg.ndims () == 2)
6508 184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	5064 {
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5065 enum { sfmatrix, sfcols, sfrows, sffrob, sfinf } strflag = sfmatrix;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5066 if (nargin > 1 && args(nargin-1).is_string ())
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5067 {
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5068 std::string str = args(nargin-1).string_value ();
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5069 if (str == "cols" \|\| str == "columns")
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5070 strflag = sfcols;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5071 else if (str == "rows")
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5072 strflag = sfrows;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5073 else if (str == "fro")
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5074 strflag = sffrob;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5075 else if (str == "inf")
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5076 strflag = sfinf;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5077 else
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5078 error ("norm: unrecognized option: %s", str.c_str ());
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5079 // we've handled the last parameter, so act as if it was removed
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5080 nargin --;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5081 }
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5082 else if (nargin > 1 && ! args(1).is_scalar_type ())
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5083 gripe_wrong_type_arg ("norm", args(1), true);
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5084
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5085 if (! error_state)
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5086 {
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5087 octave_value p_arg = (nargin > 1) ? args(1) : octave_value (2);
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5088 switch (strflag)
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5089 {
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5090 case sfmatrix:
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5091 retval(0) = xnorm (x_arg, p_arg);
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5092 break;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5093 case sfcols:
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5094 retval(0) = xcolnorms (x_arg, p_arg);
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5095 break;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5096 case sfrows:
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5097 retval(0) = xrownorms (x_arg, p_arg);
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5098 break;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5099 case sffrob:
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5100 retval(0) = xfrobnorm (x_arg);
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5101 break;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5102 case sfinf:
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5103 retval(0) = xnorm (x_arg, octave_Inf);
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5104 break;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5105 }
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	5106 }
6508 184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	5107 }
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	5108 else
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	5109 error ("norm: only valid for 2-D objects");
6508 184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	5110 }
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	5111 else
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	5112 print_usage ();
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	5113
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	5114 return retval;
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	5115 }
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	5116
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5117 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5118 %!shared x
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5119 %! x = [1, -3, 4, 5, -7];
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5120 %!assert(norm(x,1), 20);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5121 %!assert(norm(x,2), 10);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5122 %!assert(norm(x,3), 8.24257059961711, -4*eps);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5123 %!assert(norm(x,Inf), 7);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5124 %!assert(norm(x,-Inf), 1);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5125 %!assert(norm(x,"inf"), 7);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5126 %!assert(norm(x,"fro"), 10, -eps);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5127 %!assert(norm(x), 10);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5128 %!assert(norm([1e200, 1]), 1e200);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5129 %!assert(norm([3+4i, 3-4i, sqrt(31)]), 9, -4*eps);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5130 %!shared m
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5131 %! m = magic (4);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5132 %!assert(norm(m,1), 34);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5133 %!assert(norm(m,2), 34, -eps);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5134 %!assert(norm(m,Inf), 34);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5135 %!assert(norm(m,"inf"), 34);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5136 %!shared m2, flo, fhi
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5137 %! m2 = [1,2;3,4];
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5138 %! flo = 1e-300;
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5139 %! fhi = 1e+300;
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5140 %!assert (norm(flom2,"fro"), sqrt(30)flo, -eps)
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5141 %!assert (norm(fhim2,"fro"), sqrt(30)fhi, -eps)
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5142
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5143 %!shared x
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5144 %! x = single([1, -3, 4, 5, -7]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5145 %!assert(norm(x,1), single(20));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5146 %!assert(norm(x,2), single(10));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5147 %!assert(norm(x,3), single(8.24257059961711), -4*eps('single'));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5148 %!assert(norm(x,Inf), single(7));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5149 %!assert(norm(x,-Inf), single(1));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5150 %!assert(norm(x,"inf"), single(7));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5151 %!assert(norm(x,"fro"), single(10), -eps('single'));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5152 %!assert(norm(x), single(10));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5153 %!assert(norm(single([1e200, 1])), single(1e200));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5154 %!assert(norm(single([3+4i, 3-4i, sqrt(31)])), single(9), -4*eps('single'));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5155 %!shared m
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5156 %! m = single(magic (4));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5157 %!assert(norm(m,1), single(34));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5158 %!assert(norm(m,2), single(34), -eps('single'));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5159 %!assert(norm(m,Inf), single(34));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5160 %!assert(norm(m,"inf"), single(34));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5161 %!shared m2, flo, fhi
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5162 %! m2 = single([1,2;3,4]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5163 %! flo = single(1e-300);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5164 %! fhi = single(1e+300);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5165 %!assert (norm(flom2,"fro"), single(sqrt(30)flo), -eps('single'))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5166 %!assert (norm(fhim2,"fro"), single(sqrt(30)fhi), -eps('single'))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5167 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5168
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5169 static octave_value
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5170 unary_op_defun_body (octave_value::unary_op op,
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5171 const octave_value_list& args)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5172 {
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5173 octave_value retval;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5174 if (args.length () == 1)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5175 retval = do_unary_op (op, args(0));
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5176 else
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5177 print_usage ();
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5178
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5179 return retval;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5180 }
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5181
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5182 DEFUN (not, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5183 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5184 @deftypefn {Built-in Function} {} not (@var{x})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5185 This function is equivalent to @code{! x}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5186 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5187 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5188 return unary_op_defun_body (octave_value::op_not, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5189 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5190
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5191 DEFUN (uplus, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5192 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5193 @deftypefn {Built-in Function} {} uplus (@var{x})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5194 This function is equivalent to @code{+ x}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5195 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5196 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5197 return unary_op_defun_body (octave_value::op_uplus, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5198 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5199
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5200 DEFUN (uminus, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5201 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5202 @deftypefn {Built-in Function} {} uminus (@var{x})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5203 This function is equivalent to @code{- x}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5204 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5205 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5206 return unary_op_defun_body (octave_value::op_uminus, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5207 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5208
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5209 DEFUN (transpose, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5210 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5211 @deftypefn {Built-in Function} {} transpose (@var{x})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5212 This function is equivalent to @code{x.'}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5213 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5214 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5215 return unary_op_defun_body (octave_value::op_transpose, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5216 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5217
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5218 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5219
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5220 %!assert (2.', 2);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5221 %!assert (2i.',2i);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5222 %!assert ([1:4].',[1;2;3;4]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5223 %!assert ([1;2;3;4].',[1:4]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5224 %!assert ([1,2;3,4].',[1,3;2,4]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5225 %!assert ([1,2i;3,4].',[1,3;2i,4]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5226
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5227 %!assert (transpose ([1,2;3,4]),[1,3;2,4]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5228
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5229 %!assert (single(2).', single(2));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5230 %!assert (single(2i).',single(2i));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5231 %!assert (single([1:4]).',single([1;2;3;4]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5232 %!assert (single([1;2;3;4]).',single([1:4]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5233 %!assert (single([1,2;3,4]).',single([1,3;2,4]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5234 %!assert (single([1,2i;3,4]).',single([1,3;2i,4]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5235
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5236 %!assert (transpose (single([1,2;3,4])),single([1,3;2,4]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5237
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5238 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5239
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5240 DEFUN (ctranspose, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5241 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5242 @deftypefn {Built-in Function} {} ctranspose (@var{x})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5243 This function is equivalent to @code{x'}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5244 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5245 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5246 return unary_op_defun_body (octave_value::op_hermitian, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5247 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5248
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5249 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5250
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5251 %!assert (2', 2);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5252 %!assert (2i',-2i);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5253 %!assert ([1:4]',[1;2;3;4]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5254 %!assert ([1;2;3;4]',[1:4]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5255 %!assert ([1,2;3,4]',[1,3;2,4]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5256 %!assert ([1,2i;3,4]',[1,3;-2i,4]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5257
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5258 %!assert (ctranspose ([1,2i;3,4]),[1,3;-2i,4]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5259
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5260 %!assert (single(2)', single(2));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5261 %!assert (single(2i)',single(-2i));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5262 %!assert (single([1:4])',single([1;2;3;4]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5263 %!assert (single([1;2;3;4])',single([1:4]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5264 %!assert (single([1,2;3,4])',single([1,3;2,4]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5265 %!assert (single([1,2i;3,4])',single([1,3;-2i,4]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5266
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5267 %!assert (ctranspose (single([1,2i;3,4])),single([1,3;-2i,4]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5268
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5269 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5270
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5271 static octave_value
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5272 binary_op_defun_body (octave_value::binary_op op,
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5273 const octave_value_list& args)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5274 {
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5275 octave_value retval;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5276
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5277 if (args.length () == 2)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5278 retval = do_binary_op (op, args(0), args(1));
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5279 else
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5280 print_usage ();
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5281
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5282 return retval;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5283 }
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5284
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5285 static octave_value
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5286 binary_assoc_op_defun_body (octave_value::binary_op op,
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5287 octave_value::assign_op aop,
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5288 const octave_value_list& args)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5289 {
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5290 octave_value retval;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5291 int nargin = args.length ();
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5292
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5293 switch (nargin)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5294 {
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5295 case 0:
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5296 print_usage ();
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5297 break;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5298 case 1:
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5299 retval = args(0);
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5300 break;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5301 case 2:
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5302 retval = do_binary_op (op, args(0), args(1));
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5303 break;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5304 default:
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5305 retval = do_binary_op (op, args(0), args(1));
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5306 for (int i = 2; i < nargin; i++)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5307 retval.assign (aop, args(i));
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5308 break;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5309 }
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5310
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5311 return retval;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5312 }
9339 c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5313
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5314 DEFUN (plus, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5315 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5316 @deftypefn {Built-in Function} {} plus (@var{x}, @var{y})\n\
9339 c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5317 @deftypefnx {Built-in Function} {} plus (@var{x1}, @var{x2}, @dots{})\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5318 This function is equivalent to @code{x + y}.\n\
9339 c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5319 If more arguments are given, the summation is applied\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5320 cumulatively from left to right:\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5321 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5322 @example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5323 (@dots{}((x1 + x2) + x3) + @dots{})\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5324 @end example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5325 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5326 At least one argument is needed.\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5327 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5328 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5329 return binary_assoc_op_defun_body (octave_value::op_add,
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5330 octave_value::op_add_eq, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5331 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5332
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5333 DEFUN (minus, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5334 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5335 @deftypefn {Built-in Function} {} minus (@var{x}, @var{y})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5336 This function is equivalent to @code{x - y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5337 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5338 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5339 return binary_op_defun_body (octave_value::op_sub, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5340 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5341
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5342 DEFUN (mtimes, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5343 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5344 @deftypefn {Built-in Function} {} mtimes (@var{x}, @var{y})\n\
9339 c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5345 @deftypefnx {Built-in Function} {} mtimes (@var{x1}, @var{x2}, @dots{})\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5346 This function is equivalent to @code{x * y}.\n\
9339 c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5347 If more arguments are given, the multiplication is applied\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5348 cumulatively from left to right:\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5349 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5350 @example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5351 (@dots{}((x1 * x2) * x3) * @dots{})\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5352 @end example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5353 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5354 At least one argument is needed.\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5355 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5356 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5357 return binary_assoc_op_defun_body (octave_value::op_mul,
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5358 octave_value::op_mul_eq, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5359 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5360
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5361 DEFUN (mrdivide, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5362 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5363 @deftypefn {Built-in Function} {} mrdivide (@var{x}, @var{y})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5364 This function is equivalent to @code{x / y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5365 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5366 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5367 return binary_op_defun_body (octave_value::op_div, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5368 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5369
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5370 DEFUN (mpower, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5371 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5372 @deftypefn {Built-in Function} {} mpower (@var{x}, @var{y})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5373 This function is equivalent to @code{x ^ y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5374 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5375 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5376 return binary_op_defun_body (octave_value::op_pow, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5377 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5378
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5379 DEFUN (mldivide, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5380 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5381 @deftypefn {Built-in Function} {} mldivide (@var{x}, @var{y})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5382 This function is equivalent to @code{x \\ y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5383 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5384 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5385 return binary_op_defun_body (octave_value::op_ldiv, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5386 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5387
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5388 DEFUN (lt, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5389 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5390 @deftypefn {Built-in Function} {} lt (@var{x}, @var{y})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5391 This function is equivalent to @code{x < y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5392 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5393 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5394 return binary_op_defun_body (octave_value::op_lt, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5395 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5396
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5397 DEFUN (le, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5398 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5399 @deftypefn {Built-in Function} {} le (@var{x}, @var{y})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5400 This function is equivalent to @code{x <= y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5401 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5402 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5403 return binary_op_defun_body (octave_value::op_le, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5404 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5405
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5406 DEFUN (eq, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5407 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5408 @deftypefn {Built-in Function} {} eq (@var{x}, @var{y})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5409 This function is equivalent to @code{x == y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5410 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5411 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5412 return binary_op_defun_body (octave_value::op_eq, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5413 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5414
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5415 DEFUN (ge, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5416 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5417 @deftypefn {Built-in Function} {} ge (@var{x}, @var{y})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5418 This function is equivalent to @code{x >= y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5419 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5420 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5421 return binary_op_defun_body (octave_value::op_ge, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5422 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5423
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5424 DEFUN (gt, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5425 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5426 @deftypefn {Built-in Function} {} gt (@var{x}, @var{y})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5427 This function is equivalent to @code{x > y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5428 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5429 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5430 return binary_op_defun_body (octave_value::op_gt, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5431 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5432
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5433 DEFUN (ne, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5434 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5435 @deftypefn {Built-in Function} {} ne (@var{x}, @var{y})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5436 This function is equivalent to @code{x != y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5437 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5438 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5439 return binary_op_defun_body (octave_value::op_ne, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5440 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5441
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5442 DEFUN (times, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5443 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5444 @deftypefn {Built-in Function} {} times (@var{x}, @var{y})\n\
9339 c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5445 @deftypefnx {Built-in Function} {} times (@var{x1}, @var{x2}, @dots{})\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5446 This function is equivalent to @code{x .* y}.\n\
9339 c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5447 If more arguments are given, the multiplication is applied\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5448 cumulatively from left to right:\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5449 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5450 @example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5451 (@dots{}((x1 .* x2) .* x3) .* @dots{})\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5452 @end example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5453 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5454 At least one argument is needed.\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5455 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5456 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5457 return binary_assoc_op_defun_body (octave_value::op_el_mul,
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5458 octave_value::op_el_mul_eq, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5459 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5460
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5461 DEFUN (rdivide, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5462 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5463 @deftypefn {Built-in Function} {} rdivide (@var{x}, @var{y})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5464 This function is equivalent to @code{x ./ y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5465 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5466 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5467 return binary_op_defun_body (octave_value::op_el_div, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5468 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5469
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5470 DEFUN (power, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5471 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5472 @deftypefn {Built-in Function} {} power (@var{x}, @var{y})\n\
7623 431f3788f5c4 minor doc patch David Bateman <dbateman@free.fr> parents: 7620 diff changeset	5473 This function is equivalent to @code{x .^ y}.\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5474 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5475 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5476 return binary_op_defun_body (octave_value::op_el_pow, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5477 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5478
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5479 DEFUN (ldivide, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5480 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5481 @deftypefn {Built-in Function} {} ldivide (@var{x}, @var{y})\n\
7623 431f3788f5c4 minor doc patch David Bateman <dbateman@free.fr> parents: 7620 diff changeset	5482 This function is equivalent to @code{x .\\ y}.\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5483 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5484 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5485 return binary_op_defun_body (octave_value::op_el_ldiv, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5486 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5487
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5488 DEFUN (and, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5489 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5490 @deftypefn {Built-in Function} {} and (@var{x}, @var{y})\n\
9339 c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5491 @deftypefnx {Built-in Function} {} and (@var{x1}, @var{x2}, @dots{})\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5492 This function is equivalent to @code{x & y}.\n\
9339 c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5493 If more arguments are given, the logical and is applied\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5494 cumulatively from left to right:\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5495 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5496 @example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5497 (@dots{}((x1 & x2) & x3) & @dots{})\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5498 @end example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5499 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5500 At least one argument is needed.\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5501 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5502 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5503 return binary_assoc_op_defun_body (octave_value::op_el_and,
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5504 octave_value::op_el_and_eq, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5505 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5506
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5507 DEFUN (or, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5508 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5509 @deftypefn {Built-in Function} {} or (@var{x}, @var{y})\n\
9339 c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5510 @deftypefnx {Built-in Function} {} or (@var{x1}, @var{x2}, @dots{})\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5511 This function is equivalent to @code{x \| y}.\n\
9339 c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5512 If more arguments are given, the logical or is applied\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5513 cumulatively from left to right:\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5514 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5515 @example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5516 (@dots{}((x1 \| x2) \| x3) \| @dots{})\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5517 @end example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5518 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5519 At least one argument is needed.\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5520 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5521 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5522 return binary_assoc_op_defun_body (octave_value::op_el_or,
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5523 octave_value::op_el_or_eq, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5524 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5525
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5526 static double tic_toc_timestamp = -1.0;
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5527
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5528 DEFUN (tic, args, nargout,
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5529 "-- texinfo --\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5530 @deftypefn {Built-in Function} {} tic ()\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5531 @deftypefnx {Built-in Function} {} toc ()\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5532 Set or check a wall-clock timer. Calling @code{tic} without an\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5533 output argument sets the timer. Subsequent calls to @code{toc}\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5534 return the number of seconds since the timer was set. For example,\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5535 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5536 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	5537 @group\n\
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5538 tic ();\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	5539 # many computations later@dots{}\n\
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5540 elapsed_time = toc ();\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	5541 @end group\n\
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5542 @end example\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5543 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5544 @noindent\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5545 will set the variable @code{elapsed_time} to the number of seconds since\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5546 the most recent call to the function @code{tic}.\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5547 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5548 If called with one output argument then this function returns a scalar\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5549 of type @code{uint64} and the wall-clock timer is not started.\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5550 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5551 @example\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5552 @group\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5553 t = tic; sleep (5); (double (tic ()) - double (t)) * 1e-6\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5554 @result{} 5\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5555 @end group\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5556 @end example\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5557 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5558 Nested timing with @code{tic} and @code{toc} is not supported.\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5559 Therefore @code{toc} will always return the elapsed time from the most\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5560 recent call to @code{tic}.\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5561 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5562 If you are more interested in the CPU time that your process used, you\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5563 should use the @code{cputime} function instead. The @code{tic} and\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5564 @code{toc} functions report the actual wall clock time that elapsed\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5565 between the calls. This may include time spent processing other jobs or\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5566 doing nothing at all. For example,\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5567 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5568 @example\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5569 @group\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5570 tic (); sleep (5); toc ()\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5571 @result{} 5\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5572 t = cputime (); sleep (5); cputime () - t\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5573 @result{} 0\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5574 @end group\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5575 @end example\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5576 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5577 @noindent\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5578 (This example also illustrates that the CPU timer may have a fairly\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5579 coarse resolution.)\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5580 @end deftypefn")
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5581 {
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5582 octave_value retval;
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5583
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5584 int nargin = args.length ();
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5585
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5586 if (nargin != 0)
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5587 warning ("tic: ignoring extra arguments");
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5588
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5589 octave_time now;
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5590
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5591 double tmp = now.double_value ();
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5592
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5593 if (nargout > 0)
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5594 retval = static_cast<octave_uint64> (1e6 * tmp);
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5595 else
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5596 tic_toc_timestamp = tmp;
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5597
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5598 return retval;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5599 }
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5600
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5601 DEFUN (toc, args, nargout,
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5602 "-- texinfo --\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5603 @deftypefn {Built-in Function} {} toc ()\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5604 See tic.\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5605 @end deftypefn")
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5606 {
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5607 octave_value retval;
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5608
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5609 int nargin = args.length ();
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5610
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5611 if (nargin != 0)
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5612 warning ("tic: ignoring extra arguments");
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5613
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5614 if (tic_toc_timestamp < 0)
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5615 {
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5616 warning ("toc called before timer set");
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5617 if (nargout > 0)
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5618 retval = Matrix ();
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5619 }
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5620 else
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5621 {
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5622 octave_time now;
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5623
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5624 double tmp = now.double_value () - tic_toc_timestamp;
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5625
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5626 if (nargout > 0)
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5627 retval = tmp;
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5628 else
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5629 octave_stdout << "Elapsed time is " << tmp << " seconds.\n";
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5630 }
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5631
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5632 return retval;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5633 }
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5634
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5635 DEFUN (cputime, args, ,
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5636 "-- texinfo --\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5637 @deftypefn {Built-in Function} {[@var{total}, @var{user}, @var{system}] =} cputime ();\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5638 Return the CPU time used by your Octave session. The first output is\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5639 the total time spent executing your process and is equal to the sum of\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5640 second and third outputs, which are the number of CPU seconds spent\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5641 executing in user mode and the number of CPU seconds spent executing in\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5642 system mode, respectively. If your system does not have a way to report\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5643 CPU time usage, @code{cputime} returns 0 for each of its output values.\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5644 Note that because Octave used some CPU time to start, it is reasonable\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5645 to check to see if @code{cputime} works by checking to see if the total\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5646 CPU time used is nonzero.\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5647 @end deftypefn")
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5648 {
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5649 octave_value_list retval;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5650 int nargin = args.length ();
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5651 double usr = 0.0;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5652 double sys = 0.0;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5653
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5654 if (nargin != 0)
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5655 warning ("tic: ignoring extra arguments");
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5656
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5657 #if defined (HAVE_GETRUSAGE)
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5658
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5659 struct rusage ru;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5660
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5661 getrusage (RUSAGE_SELF, &ru);
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5662
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5663 usr = static_cast<double> (ru.ru_utime.tv_sec) +
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5664 static_cast<double> (ru.ru_utime.tv_usec) * 1e-6;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5665
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5666 sys = static_cast<double> (ru.ru_stime.tv_sec) +
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5667 static_cast<double> (ru.ru_stime.tv_usec) * 1e-6;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5668
10240 fa7b5751730c use gnulib time, sys_time, and sys_times modules John W. Eaton <jwe@octave.org> parents: 10185 diff changeset	5669 #else
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5670
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5671 struct tms t;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5672
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5673 times (&t);
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5674
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5675 unsigned long ticks;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5676 unsigned long seconds;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5677 unsigned long fraction;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5678
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5679 ticks = t.tms_utime + t.tms_cutime;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5680 fraction = ticks % HZ;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5681 seconds = ticks / HZ;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5682
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5683 usr = static_cast<double> (seconds) + static_cast<double>(fraction) /
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5684 static_cast<double>(HZ);
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5685
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5686 ticks = t.tms_stime + t.tms_cstime;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5687 fraction = ticks % HZ;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5688 seconds = ticks / HZ;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5689
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5690 sys = static_cast<double> (seconds) + static_cast<double>(fraction) /
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5691 static_cast<double>(HZ);
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5692
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5693 #endif
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5694
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5695 retval (2) = sys;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5696 retval (1) = usr;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5697 retval (0) = sys + usr;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5698
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5699 return retval;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5700 }
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5701
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5702 DEFUN (sort, args, nargout,
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5703 "-- texinfo --\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5704 @deftypefn {Loadable Function} {[@var{s}, @var{i}] =} sort (@var{x})\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5705 @deftypefnx {Loadable Function} {[@var{s}, @var{i}] =} sort (@var{x}, @var{dim})\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5706 @deftypefnx {Loadable Function} {[@var{s}, @var{i}] =} sort (@var{x}, @var{mode})\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5707 @deftypefnx {Loadable Function} {[@var{s}, @var{i}] =} sort (@var{x}, @var{dim}, @var{mode})\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5708 Return a copy of @var{x} with the elements arranged in increasing\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5709 order. For matrices, @code{sort} orders the elements in each column.\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5710 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5711 For example,\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5712 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5713 @example\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5714 @group\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5715 sort ([1, 2; 2, 3; 3, 1])\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5716 @result{} 1 1\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5717 2 2\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5718 3 3\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5719 @end group\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5720 @end example\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5721 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5722 The @code{sort} function may also be used to produce a matrix\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5723 containing the original row indices of the elements in the sorted\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5724 matrix. For example,\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5725 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5726 @example\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5727 @group\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5728 [s, i] = sort ([1, 2; 2, 3; 3, 1])\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5729 @result{} s = 1 1\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5730 2 2\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5731 3 3\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5732 @result{} i = 1 3\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5733 2 1\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5734 3 2\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5735 @end group\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5736 @end example\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5737 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5738 If the optional argument @var{dim} is given, then the matrix is sorted\n\
9041 853f96e8008f Cleanup documentation file matrix.texi Rik <rdrider0-list@yahoo.com> parents: 8972 diff changeset	5739 along the dimension defined by @var{dim}. The optional argument @code{mode}\n\
853f96e8008f Cleanup documentation file matrix.texi Rik <rdrider0-list@yahoo.com> parents: 8972 diff changeset	5740 defines the order in which the values will be sorted. Valid values of\n\
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5741 @code{mode} are `ascend' or `descend'.\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5742 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5743 For equal elements, the indices are such that the equal elements are listed\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5744 in the order that appeared in the original list.\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5745 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5746 The @code{sort} function may also be used to sort strings and cell arrays\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5747 of strings, in which case the dictionary order of the strings is used.\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5748 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5749 The algorithm used in @code{sort} is optimized for the sorting of partially\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5750 ordered lists.\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5751 @end deftypefn")
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5752 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5753 octave_value_list retval;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5754
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5755 int nargin = args.length ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5756 sortmode smode = ASCENDING;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5757
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5758 if (nargin < 1 \|\| nargin > 3)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5759 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5760 print_usage ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5761 return retval;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5762 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5763
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5764 bool return_idx = nargout > 1;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5765
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5766 octave_value arg = args(0);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5767
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5768 int dim = 0;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5769 if (nargin > 1)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5770 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5771 if (args(1).is_string ())
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5772 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5773 std::string mode = args(1).string_value();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5774 if (mode == "ascend")
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5775 smode = ASCENDING;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5776 else if (mode == "descend")
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5777 smode = DESCENDING;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5778 else
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5779 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5780 error ("sort: mode must be either \"ascend\" or \"descend\"");
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5781 return retval;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5782 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5783 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5784 else
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5785 dim = args(1).nint_value () - 1;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5786 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5787
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5788 if (nargin > 2)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5789 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5790 if (args(1).is_string ())
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5791 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5792 print_usage ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5793 return retval;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5794 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5795
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5796 if (! args(2).is_string ())
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5797 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5798 error ("sort: mode must be a string");
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5799 return retval;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5800 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5801 std::string mode = args(2).string_value();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5802 if (mode == "ascend")
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5803 smode = ASCENDING;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5804 else if (mode == "descend")
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5805 smode = DESCENDING;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5806 else
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5807 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5808 error ("sort: mode must be either \"ascend\" or \"descend\"");
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5809 return retval;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5810 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5811 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5812
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5813 dim_vector dv = arg.dims ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5814 if (error_state)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5815 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5816 gripe_wrong_type_arg ("sort", arg);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5817 return retval;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5818 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5819 if (nargin == 1 \|\| args(1).is_string ())
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5820 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5821 // Find first non singleton dimension
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5822 for (int i = 0; i < dv.length (); i++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5823 if (dv(i) > 1)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5824 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5825 dim = i;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5826 break;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5827 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5828 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5829 else
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5830 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5831 if (dim < 0 \|\| dim > dv.length () - 1)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5832 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5833 error ("sort: dim must be a valid dimension");
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5834 return retval;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5835 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5836 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5837
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5838 if (return_idx)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5839 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5840 Array<octave_idx_type> sidx;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5841
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5842 retval (0) = arg.sort (sidx, dim, smode);
9351 e2344f4af0cb autocache indices returned from find et al. Jaroslav Hajek <highegg@gmail.com> parents: 9339 diff changeset	5843 retval (1) = octave_value (sidx, true, true);
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5844 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5845 else
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5846 retval(0) = arg.sort (dim, smode);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5847
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5848 return retval;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5849 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5850
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5851 /*
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5852
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5853 %% Double
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5854 %!assert (sort ([NaN, 1, -1, 2, Inf]), [-1, 1, 2, Inf, NaN])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5855 %!assert (sort ([NaN, 1, -1, 2, Inf], 1), [NaN, 1, -1, 2, Inf])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5856 %!assert (sort ([NaN, 1, -1, 2, Inf], 2), [-1, 1, 2, Inf, NaN])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5857 %!error (sort ([NaN, 1, -1, 2, Inf], 3))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5858 %!assert (sort ([NaN, 1, -1, 2, Inf], "ascend"), [-1, 1, 2, Inf, NaN])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5859 %!assert (sort ([NaN, 1, -1, 2, Inf], 2, "ascend"), [-1, 1, 2, Inf, NaN])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5860 %!assert (sort ([NaN, 1, -1, 2, Inf], "descend"), [NaN, Inf, 2, 1, -1])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5861 %!assert (sort ([NaN, 1, -1, 2, Inf], 2, "descend"), [NaN, Inf, 2, 1, -1])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5862 %!assert (sort ([3, 1, 7, 5; 8, 2, 6, 4]), [3, 1, 6, 4; 8, 2, 7, 5])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5863 %!assert (sort ([3, 1, 7, 5; 8, 2, 6, 4], 1), [3, 1, 6, 4; 8, 2, 7, 5])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5864 %!assert (sort ([3, 1, 7, 5; 8, 2, 6, 4], 2), [1, 3, 5, 7; 2, 4, 6, 8])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5865 %!assert (sort (1), 1)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5866
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5867 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5868 %! [v, i] = sort ([NaN, 1, -1, Inf, 1]);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5869 %! assert (v, [-1, 1, 1, Inf, NaN])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5870 %! assert (i, [3, 2, 5, 4, 1])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5871
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5872 %% Complex
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5873 %!assert (sort ([NaN, 1i, -1, 2, Inf]), [1i, -1, 2, Inf, NaN])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5874 %!assert (sort ([NaN, 1i, -1, 2, Inf], 1), [NaN, 1i, -1, 2, Inf])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5875 %!assert (sort ([NaN, 1i, -1, 2, Inf], 2), [1i, -1, 2, Inf, NaN])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5876 %!error (sort ([NaN, 1i, -1, 2, Inf], 3))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5877 %!assert (sort ([NaN, 1i, -1, 2, Inf], "ascend"), [1i, -1, 2, Inf, NaN])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5878 %!assert (sort ([NaN, 1i, -1, 2, Inf], 2, "ascend"), [1i, -1, 2, Inf, NaN])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5879 %!assert (sort ([NaN, 1i, -1, 2, Inf], "descend"), [NaN, Inf, 2, -1, 1i])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5880 %!assert (sort ([NaN, 1i, -1, 2, Inf], 2, "descend"), [NaN, Inf, 2, -1, 1i])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5881 %!assert (sort ([3, 1i, 7, 5; 8, 2, 6, 4]), [3, 1i, 6, 4; 8, 2, 7, 5])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5882 %!assert (sort ([3, 1i, 7, 5; 8, 2, 6, 4], 1), [3, 1i, 6, 4; 8, 2, 7, 5])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5883 %!assert (sort ([3, 1i, 7, 5; 8, 2, 6, 4], 2), [1i, 3, 5, 7; 2, 4, 6, 8])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5884 %!assert (sort (1i), 1i)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5885
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5886 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5887 %! [v, i] = sort ([NaN, 1i, -1, Inf, 1, 1i]);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5888 %! assert (v, [1, 1i, 1i, -1, Inf, NaN])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5889 %! assert (i, [5, 2, 6, 3, 4, 1])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5890
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5891 %% Single
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5892 %!assert (sort (single([NaN, 1, -1, 2, Inf])), single([-1, 1, 2, Inf, NaN]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5893 %!assert (sort (single([NaN, 1, -1, 2, Inf]), 1), single([NaN, 1, -1, 2, Inf]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5894 %!assert (sort (single([NaN, 1, -1, 2, Inf]), 2), single([-1, 1, 2, Inf, NaN]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5895 %!error (sort (single([NaN, 1, -1, 2, Inf]), 3))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5896 %!assert (sort (single([NaN, 1, -1, 2, Inf]), "ascend"), single([-1, 1, 2, Inf, NaN]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5897 %!assert (sort (single([NaN, 1, -1, 2, Inf]), 2, "ascend"), single([-1, 1, 2, Inf, NaN]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5898 %!assert (sort (single([NaN, 1, -1, 2, Inf]), "descend"), single([NaN, Inf, 2, 1, -1]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5899 %!assert (sort (single([NaN, 1, -1, 2, Inf]), 2, "descend"), single([NaN, Inf, 2, 1, -1]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5900 %!assert (sort (single([3, 1, 7, 5; 8, 2, 6, 4])), single([3, 1, 6, 4; 8, 2, 7, 5]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5901 %!assert (sort (single([3, 1, 7, 5; 8, 2, 6, 4]), 1), single([3, 1, 6, 4; 8, 2, 7, 5]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5902 %!assert (sort (single([3, 1, 7, 5; 8, 2, 6, 4]), 2), single([1, 3, 5, 7; 2, 4, 6, 8]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5903 %!assert (sort (single(1)), single(1))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5904
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5905 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5906 %! [v, i] = sort (single([NaN, 1, -1, Inf, 1]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5907 %! assert (v, single([-1, 1, 1, Inf, NaN]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5908 %! assert (i, [3, 2, 5, 4, 1])
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5909
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5910 %% Single Complex
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5911 %!assert (sort (single([NaN, 1i, -1, 2, Inf])), single([1i, -1, 2, Inf, NaN]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5912 %!assert (sort (single([NaN, 1i, -1, 2, Inf]), 1), single([NaN, 1i, -1, 2, Inf]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5913 %!assert (sort (single([NaN, 1i, -1, 2, Inf]), 2), single([1i, -1, 2, Inf, NaN]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5914 %!error (sort (single([NaN, 1i, -1, 2, Inf]), 3))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5915 %!assert (sort (single([NaN, 1i, -1, 2, Inf]), "ascend"), single([1i, -1, 2, Inf, NaN]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5916 %!assert (sort (single([NaN, 1i, -1, 2, Inf]), 2, "ascend"), single([1i, -1, 2, Inf, NaN]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5917 %!assert (sort (single([NaN, 1i, -1, 2, Inf]), "descend"), single([NaN, Inf, 2, -1, 1i]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5918 %!assert (sort (single([NaN, 1i, -1, 2, Inf]), 2, "descend"), single([NaN, Inf, 2, -1, 1i]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5919 %!assert (sort (single([3, 1i, 7, 5; 8, 2, 6, 4])), single([3, 1i, 6, 4; 8, 2, 7, 5]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5920 %!assert (sort (single([3, 1i, 7, 5; 8, 2, 6, 4]), 1), single([3, 1i, 6, 4; 8, 2, 7, 5]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5921 %!assert (sort (single([3, 1i, 7, 5; 8, 2, 6, 4]), 2), single([1i, 3, 5, 7; 2, 4, 6, 8]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5922 %!assert (sort (single(1i)),single( 1i))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5923
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5924 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5925 %! [v, i] = sort (single([NaN, 1i, -1, Inf, 1, 1i]));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5926 %! assert (v, single([1, 1i, 1i, -1, Inf, NaN]))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5927 %! assert (i, [5, 2, 6, 3, 4, 1])
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5928
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5929 %% Bool
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5930 %!assert (sort ([true, false, true, false]), [false, false, true, true])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5931 %!assert (sort ([true, false, true, false], 1), [true, false, true, false])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5932 %!assert (sort ([true, false, true, false], 2), [false, false, true, true])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5933 %!error (sort ([true, false, true, false], 3))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5934 %!assert (sort ([true, false, true, false], "ascend"), [false, false, true, true])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5935 %!assert (sort ([true, false, true, false], 2, "ascend"), [false, false, true, true])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5936 %!assert (sort ([true, false, true, false], "descend"), [true, true, false, false])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5937 %!assert (sort ([true, false, true, false], 2, "descend"), [true, true, false, false])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5938 %!assert (sort (true), true)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5939
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5940 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5941 %! [v, i] = sort ([true, false, true, false]);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5942 %! assert (v, [false, false, true, true])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5943 %! assert (i, [2, 4, 1, 3])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5944
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5945 %% Sparse Double
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5946 %!assert (sort (sparse ([0, NaN, 1, 0, -1, 2, Inf])), sparse ([-1, 0, 0, 1, 2, Inf, NaN]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5947 %!assert (sort (sparse ([0, NaN, 1, 0, -1, 2, Inf]), 1), sparse ([0, NaN, 1, 0, -1, 2, Inf]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5948 %!assert (sort (sparse ([0, NaN, 1, 0, -1, 2, Inf]), 2), sparse ([-1, 0, 0, 1, 2, Inf, NaN]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5949 %!error (sort (sparse ([0, NaN, 1, 0, -1, 2, Inf]), 3))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5950 %!assert (sort (sparse ([0, NaN, 1, 0, -1, 2, Inf]), "ascend"), sparse ([-1, 0, 0, 1, 2, Inf, NaN]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5951 %!assert (sort (sparse ([0, NaN, 1, 0, -1, 2, Inf]), 2, "ascend"), sparse ([-1, 0, 0, 1, 2, Inf, NaN]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5952 %!assert (sort (sparse ([0, NaN, 1, 0, -1, 2, Inf]), "descend"), sparse ([NaN, Inf, 2, 1, 0, 0, -1]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5953 %!assert (sort (sparse ([0, NaN, 1, 0, -1, 2, Inf]), 2, "descend"), sparse ([NaN, Inf, 2, 1, 0, 0, -1]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5954
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5955 %!shared a
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5956 %! a = randn (10, 10);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5957 %! a (a < 0) = 0;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5958 %!assert (sort (sparse (a)), sparse (sort (a)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5959 %!assert (sort (sparse (a), 1), sparse (sort (a, 1)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5960 %!assert (sort (sparse (a), 2), sparse (sort (a, 2)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5961 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5962 %! [v, i] = sort (a);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5963 %! [vs, is] = sort (sparse (a));
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5964 %! assert (vs, sparse (v))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5965 %! assert (is, i)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5966
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5967 %% Sparse Complex
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5968 %!assert (sort (sparse ([0, NaN, 1i, 0, -1, 2, Inf])), sparse ([0, 0, 1i, -1, 2, Inf, NaN]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5969 %!assert (sort (sparse ([0, NaN, 1i, 0, -1, 2, Inf]), 1), sparse ([0, NaN, 1i, 0, -1, 2, Inf]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5970 %!assert (sort (sparse ([0, NaN, 1i, 0, -1, 2, Inf]), 2), sparse ([0, 0, 1i, -1, 2, Inf, NaN]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5971 %!error (sort (sparse ([0, NaN, 1i, 0, -1, 2, Inf]), 3))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5972 %!assert (sort (sparse ([0, NaN, 1i, 0, -1, 2, Inf]), "ascend"), sparse ([0, 0, 1i, -1, 2, Inf, NaN]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5973 %!assert (sort (sparse ([0, NaN, 1i, 0, -1, 2, Inf]), 2, "ascend"), sparse ([0, 0, 1i, -1, 2, Inf, NaN]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5974 %!assert (sort (sparse ([0, NaN, 1i, 0, -1, 2, Inf]), "descend"), sparse ([NaN, Inf, 2, -1, 1i, 0, 0]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5975 %!assert (sort (sparse ([0, NaN, 1i, 0, -1, 2, Inf]), 2, "descend"), sparse ([NaN, Inf, 2, -1, 1i, 0, 0]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5976
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5977 %!shared a
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5978 %! a = randn (10, 10);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5979 %! a (a < 0) = 0;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5980 %! a = 1i * a;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5981 %!assert (sort (sparse (a)), sparse (sort (a)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5982 %!assert (sort (sparse (a), 1), sparse (sort (a, 1)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5983 %!assert (sort (sparse (a), 2), sparse (sort (a, 2)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5984 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5985 %! [v, i] = sort (a);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5986 %! [vs, is] = sort (sparse (a));
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5987 %! assert (vs, sparse (v))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5988 %! assert (is, i)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5989
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5990 %% Sparse Bool
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5991 %!assert (sort (sparse ([true, false, true, false])), sparse ([false, false, true, true]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5992 %!assert (sort (sparse([true, false, true, false]), 1), sparse ([true, false, true, false]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5993 %!assert (sort (sparse ([true, false, true, false]), 2), sparse ([false, false, true, true]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5994 %!error (sort (sparse ([true, false, true, false], 3)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5995 %!assert (sort (sparse ([true, false, true, false]), "ascend"), sparse([false, false, true, true]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5996 %!assert (sort (sparse ([true, false, true, false]), 2, "ascend"), sparse([false, false, true, true]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5997 %!assert (sort (sparse ([true, false, true, false]), "descend"), sparse ([true, true, false, false]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5998 %!assert (sort (sparse ([true, false, true, false]), 2, "descend"), sparse([true, true, false, false]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5999
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6000 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6001 %! [v, i] = sort (sparse([true, false, true, false]));
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6002 %! assert (v, sparse([false, false, true, true]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6003 %! assert (i, [2, 4, 1, 3])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6004
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6005 %% Cell string array
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6006 %!shared a, b, c
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6007 %! a = {"Alice", "Cecile", "Eric", "Barry", "David"};
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6008 %! b = {"Alice", "Barry", "Cecile", "David", "Eric"};
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6009 %! c = {"Eric", "David", "Cecile", "Barry", "Alice"};
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6010 %!assert (sort (a), b);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6011 %!assert (sort (a, 1), a)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6012 %!assert (sort (a, 2), b)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6013 %!error (sort (a, 3))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6014 %!assert (sort (a, "ascend"), b)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6015 %!assert (sort (a, 2, "ascend"), b)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6016 %!assert (sort (a, "descend"), c)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6017 %!assert (sort (a, 2, "descend"), c)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6018
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6019 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6020 %! [v, i] = sort (a);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6021 %! assert (i, [1, 4, 2, 5, 3])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6022
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	6023 %!error <Invalid call to sort.*> sort ();
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	6024 %!error <Invalid call to sort.*> sort (1, 2, 3, 4);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	6025
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6026 */
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	6027
8812 7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8799 diff changeset	6028 // Sort the rows of the matrix @var{a} according to the order
7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8799 diff changeset	6029 // specified by @var{mode}, which can either be `ascend' or `descend'
7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8799 diff changeset	6030 // and return the index vector corresponding to the sort order.
7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8799 diff changeset	6031 //
7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8799 diff changeset	6032 // This function does not yet support sparse matrices.
7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8799 diff changeset	6033
8733 3ef774603887 rename all uses of sortrows_idx to sort_rows_idx John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	6034 DEFUN (__sort_rows_idx__, args, ,
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6035 "-- texinfo --\n\
9517 a85dbf7b6ff9 fix some functions help markup Jaroslav Hajek <highegg@gmail.com> parents: 9513 diff changeset	6036 @deftypefn {Built-in Function} {} __sort_rows_idx__ (@var{a}, @var{mode})\n\
8812 7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8799 diff changeset	6037 Undocumented internal function.\n\
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6038 @end deftypefn\n")
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6039 {
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6040 octave_value retval;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6041
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6042 int nargin = args.length ();
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6043 sortmode smode = ASCENDING;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6044
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6045 if (nargin < 1 \|\| nargin > 2 \|\| (nargin == 2 && ! args(1).is_string ()))
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6046 {
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6047 print_usage ();
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6048 return retval;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6049 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6050
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6051 if (nargin > 1)
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6052 {
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6053 std::string mode = args(1).string_value();
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6054 if (mode == "ascend")
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6055 smode = ASCENDING;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6056 else if (mode == "descend")
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6057 smode = DESCENDING;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6058 else
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6059 {
8733 3ef774603887 rename all uses of sortrows_idx to sort_rows_idx John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	6060 error ("__sort_rows_idx__: mode must be either \"ascend\" or \"descend\"");
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6061 return retval;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6062 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6063 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6064
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6065 octave_value arg = args(0);
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6066
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6067 if (arg.is_sparse_type ())
8733 3ef774603887 rename all uses of sortrows_idx to sort_rows_idx John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	6068 error ("__sort_rows_idx__: sparse matrices not yet supported");
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6069 if (arg.ndims () == 2)
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6070 {
8733 3ef774603887 rename all uses of sortrows_idx to sort_rows_idx John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	6071 Array<octave_idx_type> idx = arg.sort_rows_idx (smode);
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6072
9351 e2344f4af0cb autocache indices returned from find et al. Jaroslav Hajek <highegg@gmail.com> parents: 9339 diff changeset	6073 retval = octave_value (idx, true, true);
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6074 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6075 else
8733 3ef774603887 rename all uses of sortrows_idx to sort_rows_idx John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	6076 error ("__sort_rows_idx__: needs a 2-dimensional object");
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6077
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6078 return retval;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6079 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6080
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6081 static sortmode
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6082 get_sort_mode_option (const octave_value& arg, const char *argn)
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6083 {
10076 4b270d1540f7 avoid various GCC warnings John W. Eaton <jwe@octave.org> parents: 10073 diff changeset	6084 // FIXME -- we initialize to UNSORTED here to avoid a GCC warning
4b270d1540f7 avoid various GCC warnings John W. Eaton <jwe@octave.org> parents: 10073 diff changeset	6085 // about possibly using sortmode uninitialized.
4b270d1540f7 avoid various GCC warnings John W. Eaton <jwe@octave.org> parents: 10073 diff changeset	6086 // FIXME -- shouldn't these modes be scoped inside a class?
4b270d1540f7 avoid various GCC warnings John W. Eaton <jwe@octave.org> parents: 10073 diff changeset	6087 sortmode smode = UNSORTED;
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6088
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6089 std::string mode = arg.string_value ();
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6090
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6091 if (error_state)
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6092 error ("issorted: expecting %s argument to be a character string", argn);
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6093 else if (mode == "ascending")
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6094 smode = ASCENDING;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6095 else if (mode == "descending")
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6096 smode = DESCENDING;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6097 else if (mode == "either")
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6098 smode = UNSORTED;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6099 else
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6100 error ("issorted: expecting MODE to be \"ascending\", \"descending\", or \"either\"");
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6101
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6102 return smode;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6103 }
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6104
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6105 DEFUN (issorted, args, ,
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6106 "-- texinfo --\n\
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6107 @deftypefn {Built-in Function} {} issorted (@var{a}, @var{mode})\n\
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6108 @deftypefnx {Built-in Function} {} issorted (@var{a}, @code{\"rows\"}, @var{mode})\n\
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6109 Returns true if the array is sorted according to @var{mode}, which\n\
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6110 may be either \"ascending\", \"descending\", or \"either\". By default,\n\
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6111 @var{mode} is \"ascending\". NaNs are treated as by @code{sort}.\n\
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6112 If @var{rows} is supplied and has the value \"rows\", checks whether\n\
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6113 the array is sorted by rows as if output by @code{sortrows} (with no\n\
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6114 options).\n\
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6115 \n\
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6116 This function does not yet support sparse matrices.\n\
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6117 @seealso{sortrows, sort}\n\
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6118 @end deftypefn\n")
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6119 {
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6120 octave_value retval;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6121
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6122 int nargin = args.length ();
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6123
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6124 if (nargin < 1 \|\| nargin > 3)
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6125 {
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6126 print_usage ();
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6127 return retval;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6128 }
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6129
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6130 bool by_rows = false;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6131
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6132 sortmode smode = ASCENDING;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6133
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6134 if (nargin > 1)
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6135 {
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6136 octave_value mode_arg;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6137
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6138 if (nargin == 3)
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6139 smode = get_sort_mode_option (args(2), "third");
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6140
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6141 std::string tmp = args(1).string_value ();
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6142
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6143 if (! error_state)
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6144 {
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6145 if (tmp == "rows")
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6146 by_rows = true;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6147 else
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6148 smode = get_sort_mode_option (args(1), "second");
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6149 }
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6150 else
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6151 error ("expecting second argument to be character string");
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6152
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6153 if (error_state)
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6154 return retval;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6155 }
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6156
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6157 octave_value arg = args(0);
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6158
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6159 if (by_rows)
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6160 {
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6161 if (arg.is_sparse_type ())
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6162 error ("issorted: sparse matrices not yet supported");
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6163 if (arg.ndims () == 2)
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6164 retval = arg.is_sorted_rows (smode) != UNSORTED;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6165 else
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6166 error ("issorted: needs a 2-dimensional object");
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6167 }
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6168 else
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6169 {
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6170 if (arg.dims ().is_vector ())
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6171 retval = args(0).is_sorted (smode) != UNSORTED;
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6172 else
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6173 error ("issorted: needs a vector");
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6174 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6175
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6176 return retval;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6177 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6178
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6179 /*
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6180 %!shared sm, um, sv, uv
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6181 %! sm = [1, 2; 3, 4];
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6182 %! um = [3, 1; 2, 4];
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6183 %! sv = [1, 2, 3, 4];
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6184 %! uv = [2, 1, 4, 3];
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6185 %!assert(issorted (sm, "rows"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6186 %!assert(!issorted (um, "rows"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6187 %!assert(issorted (sv));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6188 %!assert(!issorted (uv));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6189 %!assert(issorted (sv'));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6190 %!assert(!issorted (uv'));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6191 %!assert(issorted (sm, "rows", "ascending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6192 %!assert(!issorted (um, "rows", "ascending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6193 %!assert(issorted (sv, "ascending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6194 %!assert(!issorted (uv, "ascending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6195 %!assert(issorted (sv', "ascending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6196 %!assert(!issorted (uv', "ascending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6197 %!assert(!issorted (sm, "rows", "descending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6198 %!assert(issorted (flipud (sm), "rows", "descending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6199 %!assert(!issorted (sv, "descending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6200 %!assert(issorted (fliplr (sv), "descending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6201 %!assert(!issorted (sv', "descending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6202 %!assert(issorted (fliplr (sv)', "descending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6203 %!assert(!issorted (um, "rows", "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6204 %!assert(!issorted (uv, "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6205 %!assert(issorted (sm, "rows", "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6206 %!assert(issorted (flipud (sm), "rows", "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6207 %!assert(issorted (sv, "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6208 %!assert(issorted (fliplr (sv), "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6209 %!assert(issorted (sv', "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6210 %!assert(issorted (fliplr (sv)', "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6211 */
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	6212
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6213 DEFUN (nth_element, args, ,
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6214 "-- texinfo --\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6215 @deftypefn {Built-in Function} {} nth_element (@var{x}, @var{n})\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6216 @deftypefnx {Built-in Function} {} nth_element (@var{x}, @var{n}, @var{dim})\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6217 Select the n-th smallest element of a vector, using the ordering defined by @code{sort}.\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6218 In other words, the result is equivalent to @code{sort(@var{x})(@var{n})}.\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6219 @var{n} can also be a contiguous range, either ascending @code{l:u}\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6220 or descending @code{u:-1:l}, in which case a range of elements is returned.\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6221 If @var{x} is an array, @code{nth_element} operates along the dimension defined by @var{dim},\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6222 or the first non-singleton dimension if @var{dim} is not given.\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6223 \n\
9736 fa63a34827e0 clarify nth_element docstring Jaroslav Hajek <highegg@gmail.com> parents: 9732 diff changeset	6224 nth_element encapsulates the C++ standard library algorithms nth_element and partial_sort.\n\
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6225 On average, the complexity of the operation is O(M*log(K)), where\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6226 @code{M = size(@var{x}, @var{dim})} and @code{K = length (@var{n})}.\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6227 This function is intended for cases where the ratio K/M is small; otherwise,\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6228 it may be better to use @code{sort}.\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6229 @seealso{sort, min, max}\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6230 @end deftypefn")
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6231 {
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6232 octave_value retval;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6233 int nargin = args.length ();
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6234
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6235 if (nargin == 2 \|\| nargin == 3)
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6236 {
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6237 octave_value argx = args(0);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6238
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6239 int dim = -1;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6240 if (nargin == 3)
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6241 {
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6242 dim = args(2).int_value (true) - 1;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6243 if (dim < 0 \|\| dim >= argx.ndims ())
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6244 error ("nth_element: dim must be a valid dimension");
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6245 }
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6246 if (dim < 0)
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6247 dim = argx.dims ().first_non_singleton ();
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6248
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6249 idx_vector n = args(1).index_vector ();
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6250
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6251 if (error_state)
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6252 return retval;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6253
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6254 switch (argx.builtin_type ())
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6255 {
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6256 case btyp_double:
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6257 retval = argx.array_value ().nth_element (n, dim);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6258 break;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6259 case btyp_float:
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6260 retval = argx.float_array_value ().nth_element (n, dim);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6261 break;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6262 case btyp_complex:
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6263 retval = argx.complex_array_value ().nth_element (n, dim);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6264 break;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6265 case btyp_float_complex:
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6266 retval = argx.float_complex_array_value ().nth_element (n, dim);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6267 break;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6268 #define MAKE_INT_BRANCH(X) \
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6269 case btyp_ ## X: \
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6270 retval = argx.X ## _array_value ().nth_element (n, dim); \
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6271 break
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6272
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6273 MAKE_INT_BRANCH (int8);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6274 MAKE_INT_BRANCH (int16);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6275 MAKE_INT_BRANCH (int32);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6276 MAKE_INT_BRANCH (int64);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6277 MAKE_INT_BRANCH (uint8);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6278 MAKE_INT_BRANCH (uint16);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6279 MAKE_INT_BRANCH (uint32);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6280 MAKE_INT_BRANCH (uint64);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6281 #undef MAKE_INT_BRANCH
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6282 default:
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6283 if (argx.is_cellstr ())
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6284 retval = argx.cellstr_value ().nth_element (n, dim);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6285 else
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6286 gripe_wrong_type_arg ("nth_element", argx);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6287 }
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6288 }
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6289 else
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6290 print_usage ();
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6291
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6292 return retval;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6293 }
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	6294
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6295 template <class NDT>
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6296 static NDT
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6297 do_accumarray_sum (const idx_vector& idx, const NDT& vals,
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6298 octave_idx_type n = -1)
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6299 {
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6300 typedef typename NDT::element_type T;
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6301 if (n < 0)
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6302 n = idx.extent (0);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6303 else if (idx.extent (n) > n)
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6304 error ("accumarray: index out of range");
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6305
9858 47c5af1868df move idx_add methods to MArrayN Jaroslav Hajek <highegg@gmail.com> parents: 9856 diff changeset	6306 NDT retval (dim_vector (n, 1), T());
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6307
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6308 if (vals.numel () == 1)
9858 47c5af1868df move idx_add methods to MArrayN Jaroslav Hajek <highegg@gmail.com> parents: 9856 diff changeset	6309 retval.idx_add (idx, vals (0));
47c5af1868df move idx_add methods to MArrayN Jaroslav Hajek <highegg@gmail.com> parents: 9856 diff changeset	6310 else if (vals.numel () == idx.length (n))
47c5af1868df move idx_add methods to MArrayN Jaroslav Hajek <highegg@gmail.com> parents: 9856 diff changeset	6311 retval.idx_add (idx, vals);
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6312 else
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6313 error ("accumarray: dimensions mismatch");
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6314
9858 47c5af1868df move idx_add methods to MArrayN Jaroslav Hajek <highegg@gmail.com> parents: 9856 diff changeset	6315 return retval;
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6316 }
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6317
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6318 DEFUN (__accumarray_sum__, args, ,
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6319 "-- texinfo --\n\
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6320 @deftypefn {Built-in Function} {} __accumarray_sum__ (@var{idx}, @var{vals}, @var{n})\n\
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6321 Undocumented internal function.\n\
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6322 @end deftypefn")
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6323 {
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6324 octave_value retval;
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6325 int nargin = args.length ();
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6326 if (nargin >= 2 && nargin <= 3 && args(0).is_numeric_type ())
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6327 {
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6328 idx_vector idx = args(0).index_vector ();
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6329 octave_idx_type n = -1;
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6330 if (nargin == 3)
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6331 n = args(2).idx_type_value (true);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6332
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6333 if (! error_state)
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6334 {
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6335 octave_value vals = args(1);
9198 3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	6336 if (vals.is_range ())
3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	6337 {
3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	6338 Range r = vals.range_value ();
3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	6339 if (r.inc () == 0)
3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	6340 vals = r.base ();
3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	6341 }
3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	6342
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6343 if (vals.is_single_type ())
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6344 {
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6345 if (vals.is_complex_type ())
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6346 retval = do_accumarray_sum (idx, vals.float_complex_array_value (), n);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6347 else
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6348 retval = do_accumarray_sum (idx, vals.float_array_value (), n);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6349 }
10268 9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6350 else if (vals.is_numeric_type () \|\| vals.is_bool_type () \|\| vals.is_string ())
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6351 {
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6352 if (vals.is_complex_type ())
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6353 retval = do_accumarray_sum (idx, vals.complex_array_value (), n);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6354 else
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6355 retval = do_accumarray_sum (idx, vals.array_value (), n);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6356 }
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6357 else
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6358 gripe_wrong_type_arg ("accumarray", vals);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6359 }
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6360 }
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6361 else
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6362 print_usage ();
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6363
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6364 return retval;
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	6365 }
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6366
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6367 template <class NDT>
10268 9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6368 static NDT
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6369 do_accumarray_minmax (const idx_vector& idx, const NDT& vals,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6370 octave_idx_type n, bool ismin,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6371 const typename NDT::element_type& zero_val)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6372 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6373 typedef typename NDT::element_type T;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6374 if (n < 0)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6375 n = idx.extent (0);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6376 else if (idx.extent (n) > n)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6377 error ("accumarray: index out of range");
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6378
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6379 NDT retval (dim_vector (n, 1), zero_val);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6380
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6381 // Pick minimizer or maximizer.
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6382 void (MArrayN<T>::*op) (const idx_vector&, const MArrayN<T>&) =
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6383 ismin ? (&MArrayN<T>::idx_min) : (&MArrayN<T>::idx_max);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6384
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6385 octave_idx_type l = idx.length (n);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6386 if (vals.numel () == 1)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6387 (retval.*op) (idx, NDT (dim_vector (l, 1), vals(0)));
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6388 else if (vals.numel () == l)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6389 (retval.*op) (idx, vals);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6390 else
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6391 error ("accumarray: dimensions mismatch");
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6392
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6393 return retval;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6394 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6395
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6396 static octave_value_list
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6397 do_accumarray_minmax_fun (const octave_value_list& args,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6398 bool ismin)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6399 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6400 octave_value retval;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6401 int nargin = args.length ();
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6402 if (nargin >= 3 && nargin <= 4 && args(0).is_numeric_type ())
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6403 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6404 idx_vector idx = args(0).index_vector ();
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6405 octave_idx_type n = -1;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6406 if (nargin == 4)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6407 n = args(3).idx_type_value (true);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6408
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6409 if (! error_state)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6410 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6411 octave_value vals = args(1), zero = args (2);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6412
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6413 switch (vals.builtin_type ())
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6414 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6415 case btyp_double:
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6416 retval = do_accumarray_minmax (idx, vals.array_value (), n, ismin,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6417 zero.double_value ());
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6418 break;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6419 case btyp_float:
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6420 retval = do_accumarray_minmax (idx, vals.float_array_value (), n, ismin,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6421 zero.float_value ());
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6422 break;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6423 case btyp_complex:
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6424 retval = do_accumarray_minmax (idx, vals.complex_array_value (), n, ismin,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6425 zero.complex_value ());
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6426 break;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6427 case btyp_float_complex:
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6428 retval = do_accumarray_minmax (idx, vals.float_complex_array_value (), n, ismin,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6429 zero.float_complex_value ());
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6430 break;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6431 #define MAKE_INT_BRANCH(X) \
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6432 case btyp_ ## X: \
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6433 retval = do_accumarray_minmax (idx, vals.X ## _array_value (), n, ismin, \
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6434 zero.X ## _scalar_value ()); \
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6435 break
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6436
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6437 MAKE_INT_BRANCH (int8);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6438 MAKE_INT_BRANCH (int16);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6439 MAKE_INT_BRANCH (int32);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6440 MAKE_INT_BRANCH (int64);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6441 MAKE_INT_BRANCH (uint8);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6442 MAKE_INT_BRANCH (uint16);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6443 MAKE_INT_BRANCH (uint32);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6444 MAKE_INT_BRANCH (uint64);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6445 #undef MAKE_INT_BRANCH
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6446 case btyp_bool:
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6447 retval = do_accumarray_minmax (idx, vals.array_value (), n, ismin,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6448 zero.bool_value ());
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6449 break;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6450 default:
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6451 gripe_wrong_type_arg ("accumarray", vals);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6452 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6453 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6454 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6455 else
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6456 print_usage ();
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6457
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6458 return retval;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6459 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6460
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6461 DEFUN (__accumarray_min__, args, ,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6462 "-- texinfo --\n\
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6463 @deftypefn {Built-in Function} {} __accumarray_min__ (@var{idx}, @var{vals}, @var{zero}, @var{n})\n\
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6464 Undocumented internal function.\n\
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6465 @end deftypefn")
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6466 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6467 return do_accumarray_minmax_fun (args, true);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6468 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6469
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6470 DEFUN (__accumarray_max__, args, ,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6471 "-- texinfo --\n\
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6472 @deftypefn {Built-in Function} {} __accumarray_max__ (@var{idx}, @var{vals}, @var{zero}, @var{n})\n\
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6473 Undocumented internal function.\n\
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6474 @end deftypefn")
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6475 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6476 return do_accumarray_minmax_fun (args, false);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6477 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6478
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6479 template <class NDT>
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6480 static NDT
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6481 do_merge (const Array<bool>& mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6482 const NDT& tval, const NDT& fval)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6483 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6484 typedef typename NDT::element_type T;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6485 dim_vector dv = mask.dims ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6486 NDT retval (dv);
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6487
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6488 bool tscl = tval.numel () == 1, fscl = fval.numel () == 1;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6489
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6490 if ((! tscl && tval.dims () != dv)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6491 \|\| (! fscl && fval.dims () != dv))
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6492 error ("merge: dimensions mismatch");
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6493 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6494 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6495 T *rv = retval.fortran_vec ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6496 octave_idx_type n = retval.numel ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6497
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6498 const T tv = tval.data (), fv = fval.data ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6499 const bool *mv = mask.data ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6500
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6501 if (tscl)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6502 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6503 if (fscl)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6504 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6505 T ts = tv[0], fs = fv[0];
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6506 for (octave_idx_type i = 0; i < n; i++)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6507 rv[i] = mv[i] ? ts : fs;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6508 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6509 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6510 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6511 T ts = tv[0];
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6512 for (octave_idx_type i = 0; i < n; i++)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6513 rv[i] = mv[i] ? ts : fv[i];
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6514 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6515 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6516 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6517 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6518 if (fscl)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6519 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6520 T fs = fv[0];
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6521 for (octave_idx_type i = 0; i < n; i++)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6522 rv[i] = mv[i] ? tv[i] : fs;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6523 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6524 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6525 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6526 for (octave_idx_type i = 0; i < n; i++)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6527 rv[i] = mv[i] ? tv[i] : fv[i];
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6528 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6529 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6530 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6531
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6532 return retval;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6533 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6534
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6535 #define MAKE_INT_BRANCH(INTX) \
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6536 else if (tval.is_ ## INTX ## _type () && fval.is_ ## INTX ## _type ()) \
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6537 { \
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6538 retval = do_merge (mask, \
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6539 tval.INTX ## _array_value (), \
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6540 fval.INTX ## _array_value ()); \
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6541 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6542
9505 a321a1c227c8 make ifelse an alias or merge Jaroslav Hajek <highegg@gmail.com> parents: 9475 diff changeset	6543 DEFUN (merge, args, ,
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6544 "-- texinfo --\n\
9505 a321a1c227c8 make ifelse an alias or merge Jaroslav Hajek <highegg@gmail.com> parents: 9475 diff changeset	6545 @deftypefn {Built-in Function} {} merge (@var{mask}, @var{tval}, @var{fval})\n\
a321a1c227c8 make ifelse an alias or merge Jaroslav Hajek <highegg@gmail.com> parents: 9475 diff changeset	6546 @deftypefnx {Built-in Function} {} ifelse (@var{mask}, @var{tval}, @var{fval})\n\
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6547 Merges elements of @var{true_val} and @var{false_val}, depending on the value of\n\
9758 09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9736 diff changeset	6548 @var{mask}. If @var{mask} is a logical scalar, the other two arguments can be\n\
09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9736 diff changeset	6549 arbitrary values. Otherwise, @var{mask} must be a logical array, and @var{tval},\n\
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6550 @var{fval} should be arrays of matching class, or cell arrays.\n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6551 In the scalar mask case, @var{tval} is returned if @var{mask} is true, otherwise\n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6552 @var{fval} is returned.\n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6553 \n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6554 In the array mask case, both @var{tval} and @var{fval} must be either scalars or\n\
9758 09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9736 diff changeset	6555 arrays with dimensions equal to @var{mask}. The result is constructed as follows:\n\
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6556 @example\n\
9758 09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9736 diff changeset	6557 @group\n\
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6558 result(mask) = tval(mask);\n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6559 result(! mask) = fval(! mask);\n\
9758 09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9736 diff changeset	6560 @end group\n\
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6561 @end example\n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6562 \n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6563 @var{mask} can also be arbitrary numeric type, in which case\n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6564 it is first converted to logical.\n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6565 @seealso{logical}\n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6566 @end deftypefn")
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6567 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6568 int nargin = args.length ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6569 octave_value retval;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6570
9856 870a69bac55c fix test in merge Jaroslav Hajek <highegg@gmail.com> parents: 9848 diff changeset	6571 if (nargin == 3 && (args(0).is_bool_type () \|\| args(0).is_numeric_type ()))
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6572 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6573 octave_value mask_val = args(0);
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6574
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6575 if (mask_val.is_scalar_type ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6576 retval = mask_val.is_true () ? args(1) : args(2);
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6577 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6578 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6579 boolNDArray mask = mask_val.bool_array_value ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6580 octave_value tval = args(1), fval = args(2);
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6581 if (tval.is_double_type () && fval.is_double_type ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6582 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6583 if (tval.is_complex_type () \|\| fval.is_complex_type ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6584 retval = do_merge (mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6585 tval.complex_array_value (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6586 fval.complex_array_value ());
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6587 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6588 retval = do_merge (mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6589 tval.array_value (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6590 fval.array_value ());
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6591 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6592 else if (tval.is_single_type () && fval.is_single_type ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6593 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6594 if (tval.is_complex_type () \|\| fval.is_complex_type ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6595 retval = do_merge (mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6596 tval.float_complex_array_value (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6597 fval.float_complex_array_value ());
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6598 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6599 retval = do_merge (mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6600 tval.float_array_value (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6601 fval.float_array_value ());
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6602 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6603 else if (tval.is_string () && fval.is_string ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6604 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6605 bool sq_string = tval.is_sq_string () \|\| fval.is_sq_string ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6606 retval = octave_value (do_merge (mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6607 tval.char_array_value (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6608 fval.char_array_value ()),
9689 34d6f005db4b eliminate is_string argument from octave_value character array constructors John W. Eaton <jwe@octave.org> parents: 9685 diff changeset	6609 sq_string ? '\'' : '"');
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6610 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6611 else if (tval.is_cell () && fval.is_cell ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6612 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6613 retval = do_merge (mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6614 tval.cell_value (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6615 fval.cell_value ());
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6616 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6617
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6618 MAKE_INT_BRANCH (int8)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6619 MAKE_INT_BRANCH (int16)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6620 MAKE_INT_BRANCH (int32)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6621 MAKE_INT_BRANCH (int64)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6622 MAKE_INT_BRANCH (uint8)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6623 MAKE_INT_BRANCH (uint16)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6624 MAKE_INT_BRANCH (uint32)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6625 MAKE_INT_BRANCH (uint64)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6626
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6627 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6628 error ("merge: cannot merge %s with %s with array mask",
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6629 tval.class_name ().c_str (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6630 fval.class_name ().c_str ());
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6631 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6632 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6633 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6634 print_usage ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6635
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6636 return retval;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6637 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6638
9505 a321a1c227c8 make ifelse an alias or merge Jaroslav Hajek <highegg@gmail.com> parents: 9475 diff changeset	6639 DEFALIAS (ifelse, merge);
a321a1c227c8 make ifelse an alias or merge Jaroslav Hajek <highegg@gmail.com> parents: 9475 diff changeset	6640
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6641 #undef MAKE_INT_BRANCH
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6642
9513 9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6643 template <class SparseT>
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6644 static SparseT
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6645 do_sparse_diff (const SparseT& array, octave_idx_type order,
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6646 int dim)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6647 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6648 SparseT retval = array;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6649 if (dim == 1)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6650 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6651 octave_idx_type k = retval.columns ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6652 while (order > 0 && k > 0)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6653 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6654 idx_vector col1 (':'), col2 (':'), sl1 (1, k), sl2 (0, k-1);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6655 retval = retval.index (col1, sl1, 0) - retval.index (col2, sl2, 0);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6656 assert (retval.columns () == k-1);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6657 order--;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6658 k--;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6659 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6660 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6661 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6662 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6663 octave_idx_type k = retval.rows ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6664 while (order > 0 && k > 0)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6665 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6666 idx_vector col1 (':'), col2 (':'), sl1 (1, k), sl2 (0, k-1);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6667 retval = retval.index (sl1, col1, 0) - retval.index (sl2, col2, 0);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6668 assert (retval.rows () == k-1);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6669 order--;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6670 k--;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6671 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6672 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6673
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6674 return retval;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6675 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6676
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6677 static octave_value
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6678 do_diff (const octave_value& array, octave_idx_type order,
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6679 int dim = -1)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6680 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6681 octave_value retval;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6682
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6683 const dim_vector& dv = array.dims ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6684 if (dim == -1)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6685 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6686 dim = array.dims ().first_non_singleton ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6687
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6688 // Bother Matlab. This behavior is really wicked.
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6689 if (dv(dim) <= order)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6690 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6691 if (dv(dim) == 1)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6692 retval = array.resize (dim_vector (0, 0));
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6693 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6694 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6695 retval = array;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6696 while (order > 0)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6697 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6698 if (dim == dv.length ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6699 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6700 retval = do_diff (array, order, dim - 1);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6701 order = 0;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6702 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6703 else if (dv(dim) == 1)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6704 dim++;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6705 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6706 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6707 retval = do_diff (array, dv(dim) - 1, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6708 order -= dv(dim) - 1;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6709 dim++;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6710 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6711 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6712 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6713
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6714 return retval;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6715 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6716 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6717
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6718 if (array.is_integer_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6719 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6720 if (array.is_int8_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6721 retval = array.int8_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6722 else if (array.is_int16_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6723 retval = array.int16_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6724 else if (array.is_int32_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6725 retval = array.int32_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6726 else if (array.is_int64_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6727 retval = array.int64_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6728 else if (array.is_uint8_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6729 retval = array.uint8_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6730 else if (array.is_uint16_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6731 retval = array.uint16_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6732 else if (array.is_uint32_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6733 retval = array.uint32_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6734 else if (array.is_uint64_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6735 retval = array.uint64_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6736 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6737 panic_impossible ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6738 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6739 else if (array.is_sparse_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6740 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6741 if (array.is_complex_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6742 retval = do_sparse_diff (array.sparse_complex_matrix_value (), order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6743 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6744 retval = do_sparse_diff (array.sparse_matrix_value (), order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6745 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6746 else if (array.is_single_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6747 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6748 if (array.is_complex_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6749 retval = array.float_complex_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6750 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6751 retval = array.float_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6752 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6753 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6754 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6755 if (array.is_complex_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6756 retval = array.complex_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6757 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6758 retval = array.array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6759 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6760
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6761 return retval;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6762 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6763
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6764 DEFUN (diff, args, ,
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6765 "-- texinfo --\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6766 @deftypefn {Built-in Function} {} diff (@var{x}, @var{k}, @var{dim})\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6767 If @var{x} is a vector of length @var{n}, @code{diff (@var{x})} is the\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6768 vector of first differences\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6769 @tex\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6770 $x_2 - x_1, \\ldots{}, x_n - x_{n-1}$.\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6771 @end tex\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6772 @ifnottex\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6773 @var{x}(2) - @var{x}(1), @dots{}, @var{x}(n) - @var{x}(n-1).\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6774 @end ifnottex\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6775 \n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6776 If @var{x} is a matrix, @code{diff (@var{x})} is the matrix of column\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6777 differences along the first non-singleton dimension.\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6778 \n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6779 The second argument is optional. If supplied, @code{diff (@var{x},\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6780 @var{k})}, where @var{k} is a non-negative integer, returns the\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6781 @var{k}-th differences. It is possible that @var{k} is larger than\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6782 then first non-singleton dimension of the matrix. In this case,\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6783 @code{diff} continues to take the differences along the next\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6784 non-singleton dimension.\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6785 \n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6786 The dimension along which to take the difference can be explicitly\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6787 stated with the optional variable @var{dim}. In this case the \n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6788 @var{k}-th order differences are calculated along this dimension.\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6789 In the case where @var{k} exceeds @code{size (@var{x}, @var{dim})}\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6790 then an empty matrix is returned.\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6791 @end deftypefn")
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6792 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6793 int nargin = args.length ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6794 octave_value retval;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6795
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6796 if (nargin < 1 \|\| nargin > 3)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6797 print_usage ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6798 else if (! args(0).is_numeric_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6799 error ("diff: X must be numeric");
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6800
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6801 if (! error_state)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6802 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6803 int dim = -1;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6804 octave_idx_type order = 1;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6805 if (nargin > 1)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6806 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6807 if (args(1).is_scalar_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6808 order = args(1).idx_type_value (true, false);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6809 else if (! args(1).is_zero_by_zero ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6810 error ("order must be a scalar or []");
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6811 if (! error_state && order < 0)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6812 error ("order must be non-negative");
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6813 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6814
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6815 if (nargin > 2)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6816 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6817 dim = args(2).int_value (true, false);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6818 if (! error_state && (dim < 1 \|\| dim > args(0).ndims ()))
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6819 error ("needs a valid dimension");
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6820 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6821 dim -= 1;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6822 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6823
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6824 if (! error_state)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6825 retval = do_diff (args(0), order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6826 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6827
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6828 return retval;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6829 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6830
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6831 /*
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6832
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6833 %!assert (diff ([1, 2, 3, 4]), [1, 1, 1])
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6834 %!assert (diff ([1, 3, 7, 19], 2), [2, 8])
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6835 %!assert (diff ([1, 2; 5, 4; 8, 7; 9, 6; 3, 1]), [4, 2; 3, 3; 1, -1; -6, -5])
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6836 %!assert (diff ([1, 2; 5, 4; 8, 7; 9, 6; 3, 1], 3), [-1, -5; -5, 0])
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6837 %!assert (isempty (diff (1)));
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6838
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6839 %!error diff ([1, 2; 3, 4], -1);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6840
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6841 %!error diff ("foo");
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6842
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6843 %!error diff ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6844
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6845 %!error diff (1, 2, 3, 4);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6846
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6847 */

Mercurial > hg > octave-lyh

annotate src/data.cc @ 10268:9a16a61ed43d