octave-lyh: src/data.cc annotate

annotate src/data.cc @ 10435:6a271334750c

implement general binary mapping facility

author	Jaroslav Hajek <highegg@gmail.com>
date	Tue, 23 Mar 2010 09:30:46 +0100
parents	cc69a17ec801
children	00219bdd2d17

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
10277 703038d648f1 update some copyright notices Jaroslav Hajek <highegg@gmail.com> parents: 10269 diff changeset	6 Copyright (C) 2009, 2010 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>
10302 5669a0b893db data.cc: include <sys/times.h> and ensure that HZ is defined John W. Eaton <jwe@octave.org> parents: 10293 diff changeset	31 #include <sys/times.h>
7078 405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7065 diff changeset	32
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7065 diff changeset	33 #ifdef HAVE_SYS_RESOURCE_H
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7065 diff changeset	34 #include <sys/resource.h>
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7065 diff changeset	35 #endif
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7065 diff changeset	36
2184 dbbbb3559ee8 [project @ 1996-05-14 02:18:22 by jwe] jwe parents: 2086 diff changeset	37 #include <cfloat>
10303 e4899d6320b6 data.cc: use CLOCKS_PER_SEC instead of HZ John W. Eaton <jwe@octave.org> parents: 10302 diff changeset	38 #include <ctime>
2184 dbbbb3559ee8 [project @ 1996-05-14 02:18:22 by jwe] jwe parents: 2086 diff changeset	39
1728 42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe] jwe parents: 1572 diff changeset	40 #include <string>
42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe] jwe parents: 1572 diff changeset	41
2184 dbbbb3559ee8 [project @ 1996-05-14 02:18:22 by jwe] jwe parents: 2086 diff changeset	42 #include "lo-ieee.h"
7231 2eb392d058bb [project @ 2007-11-30 18:53:29 by jwe] jwe parents: 7189 diff changeset	43 #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	44 #include "oct-time.h"
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1742 diff changeset	45 #include "str-vec.h"
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4114 diff changeset	46 #include "quit.h"
9658 3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	47 #include "mx-base.h"
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	48 #include "oct-binmap.h"
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1742 diff changeset	49
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	50 #include "Cell.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1315 diff changeset	51 #include "defun.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1315 diff changeset	52 #include "error.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1315 diff changeset	53 #include "gripes.h"
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	54 #include "oct-map.h"
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	55 #include "oct-obj.h"
2366 c90105b99479 [project @ 1996-10-11 23:22:27 by jwe] jwe parents: 2305 diff changeset	56 #include "ov.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	57 #include "ov-float.h"
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	58 #include "ov-complex.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	59 #include "ov-flt-complex.h"
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	60 #include "ov-cx-mat.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	61 #include "ov-flt-cx-mat.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	62 #include "ov-cx-sparse.h"
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	63 #include "parse.h"
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	64 #include "pt-mat.h"
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	65 #include "utils.h"
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	66 #include "variables.h"
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	67 #include "pager.h"
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	68 #include "xnorm.h"
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	69
10303 e4899d6320b6 data.cc: use CLOCKS_PER_SEC instead of HZ John W. Eaton <jwe@octave.org> parents: 10302 diff changeset	70 #if ! defined (CLOCKS_PER_SEC)
10302 5669a0b893db data.cc: include <sys/times.h> and ensure that HZ is defined John W. Eaton <jwe@octave.org> parents: 10293 diff changeset	71 #if defined (CLK_TCK)
10303 e4899d6320b6 data.cc: use CLOCKS_PER_SEC instead of HZ John W. Eaton <jwe@octave.org> parents: 10302 diff changeset	72 #define CLOCKS_PER_SEC CLK_TCK
10302 5669a0b893db data.cc: include <sys/times.h> and ensure that HZ is defined John W. Eaton <jwe@octave.org> parents: 10293 diff changeset	73 #else
10303 e4899d6320b6 data.cc: use CLOCKS_PER_SEC instead of HZ John W. Eaton <jwe@octave.org> parents: 10302 diff changeset	74 #error "no definition for CLOCKS_PER_SEC!"
10302 5669a0b893db data.cc: include <sys/times.h> and ensure that HZ is defined John W. Eaton <jwe@octave.org> parents: 10293 diff changeset	75 #endif
5669a0b893db data.cc: include <sys/times.h> and ensure that HZ is defined John W. Eaton <jwe@octave.org> parents: 10293 diff changeset	76 #endif
5669a0b893db data.cc: include <sys/times.h> and ensure that HZ is defined John W. Eaton <jwe@octave.org> parents: 10293 diff changeset	77
7914 e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7815 diff changeset	78 #if ! defined (HAVE_HYPOTF) && defined (HAVE__HYPOTF)
e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7815 diff changeset	79 #define hypotf _hypotf
e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7815 diff changeset	80 #define HAVE_HYPOTF 1
e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7815 diff changeset	81 #endif
e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7815 diff changeset	82
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	83 #define ANY_ALL(FCN) \
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	84 \
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4176 diff changeset	85 octave_value retval; \
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	86 \
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	87 int nargin = args.length (); \
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	88 \
4021 963507f8caf4 [project @ 2002-08-05 22:22:16 by jwe] jwe parents: 4015 diff changeset	89 if (nargin == 1 \|\| nargin == 2) \
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	90 { \
4021 963507f8caf4 [project @ 2002-08-05 22:22:16 by jwe] jwe parents: 4015 diff changeset	91 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	92 \
963507f8caf4 [project @ 2002-08-05 22:22:16 by jwe] jwe parents: 4015 diff changeset	93 if (! error_state) \
963507f8caf4 [project @ 2002-08-05 22:22:16 by jwe] jwe parents: 4015 diff changeset	94 { \
4556 773a21e4fce8 [project @ 2003-10-28 05:02:10 by jwe] jwe parents: 4554 diff changeset	95 if (dim >= -1) \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	96 retval = args(0).FCN (dim); \
4021 963507f8caf4 [project @ 2002-08-05 22:22:16 by jwe] jwe parents: 4015 diff changeset	97 else \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	98 error (#FCN ": invalid dimension argument = %d", dim + 1); \
4021 963507f8caf4 [project @ 2002-08-05 22:22:16 by jwe] jwe parents: 4015 diff changeset	99 } \
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	100 else \
4021 963507f8caf4 [project @ 2002-08-05 22:22:16 by jwe] jwe parents: 4015 diff changeset	101 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	102 } \
4021 963507f8caf4 [project @ 2002-08-05 22:22:16 by jwe] jwe parents: 4015 diff changeset	103 else \
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	104 print_usage (); \
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	105 \
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	106 return retval
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	107
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	108 DEFUN (all, args, ,
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	109 "-- texinfo --\n\
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	110 @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	111 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	112 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	113 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	114 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	115 {
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	116 ANY_ALL (all);
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	117 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	118
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	119 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	120
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	121 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	122 %! 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	123 %! 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	124 %! 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	125 %! && 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	126 %! && 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	127 %! && 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	128
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	129 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	130 %! 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	131 %! 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	132 %! 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	133 %! && 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	134 %! && 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	135 %! && 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	136
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	137 %!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	138 %!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	139
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	140 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	141
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	142 DEFUN (any, args, ,
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	143 "-- texinfo --\n\
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	144 @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	145 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	146 nonzero.\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	147 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	148 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	149 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	150 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	151 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	152 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	153 @group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	154 any (eye (2, 4))\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	155 @result{} [ 1, 1, 0, 0 ]\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	156 @end group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	157 @end example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	158 \n\
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	159 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	160 @var{dim}. For example,\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	161 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	162 @example\n\
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	163 @group\n\
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	164 any (eye (2, 4), 2)\n\
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	165 @result{} [ 1; 1 ]\n\
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	166 @end group\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	167 @end example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	168 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	169 {
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3972 diff changeset	170 ANY_ALL (any);
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	171 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	172
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	173 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	174
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	175 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	176 %! 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	177 %! 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	178 %! 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	179 %! && 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	180 %! && 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	181 %! && 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	182
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	183 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	184 %! 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	185 %! 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	186 %! 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	187 %! && 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	188 %! && 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	189 %! && 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	190
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	191 %!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	192 %!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	193
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	194 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	195
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	196 // 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	197
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	198 DEFUN (atan2, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	199 "-- texinfo --\n\
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	200 @deftypefn {Mapping Function} {} atan2 (@var{y}, @var{x})\n\
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	201 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	202 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	203 and orientation.\n\
3439 3234a698073a [project @ 2000-01-14 09:51:14 by jwe] jwe parents: 3428 diff changeset	204 @end deftypefn")
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	205 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4176 diff changeset	206 octave_value retval;
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	207
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	208 int nargin = args.length ();
36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	209
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	210 if (nargin == 2)
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	211 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	212 if (! args(0).is_numeric_type ())
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	213 gripe_wrong_type_arg ("atan2", args(0));
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	214 else if (! args(1).is_numeric_type ())
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	215 gripe_wrong_type_arg ("atan2", args(1));
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	216 else if (args(0).is_complex_type () \|\| args(1).is_complex_type ())
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	217 error ("atan2: not defined for complex numbers");
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	218 else if (args(0).is_single_type () \|\| args(1).is_single_type ())
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	219 {
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	220 if (args(0).is_scalar_type () && args(1).is_scalar_type ())
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	221 retval = atan2f (args(0).float_value (), args(1).float_value ());
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	222 else
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	223 {
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	224 FloatNDArray a0 = args(0).float_array_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	225 FloatNDArray a1 = args(1).float_array_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	226 retval = binmap<float> (a0, a1, ::atan2f, "atan2");
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	227 }
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	228 }
7494 bd2bd04e68ca Treat integer types for mod/rem correctly David Bateman <dbateman@free.fr> parents: 7433 diff changeset	229 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	230 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	231 bool a0_scalar = args(0).is_scalar_type ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	232 bool a1_scalar = args(1).is_scalar_type ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	233 if (a0_scalar && a1_scalar)
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	234 retval = atan2 (args(0).scalar_value (), args(1).scalar_value ());
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	235 else if ((a0_scalar \|\| args(0).is_sparse_type ())
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	236 && (a1_scalar \|\| args(1).is_sparse_type ()))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	237 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	238 SparseMatrix m0 = args(0).sparse_matrix_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	239 SparseMatrix m1 = args(1).sparse_matrix_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	240 retval = binmap<double> (m0, m1, ::atan2, "atan2");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	241 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	242 else
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	243 {
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	244 NDArray a0 = args(0).array_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	245 NDArray a1 = args(1).array_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	246 retval = binmap<double> (a0, a1, ::atan2, "atan2");
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	247 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	248 }
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	249 }
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	250 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	251 print_usage ();
649 1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	252
1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	253 return retval;
1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	254 }
1a674dba2e9e [project @ 1994-08-24 15:47:23 by jwe] jwe parents: 648 diff changeset	255
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	256 /*
7741 72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	257 %!assert (size (atan2 (zeros (0, 2), zeros (0, 2))), [0, 2])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	258 %!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	259 %!assert (size (atan2 (rand (2, 3, 4), 1)), [2, 3, 4])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	260 %!assert (size (atan2 (1, rand (2, 3, 4))), [2, 3, 4])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	261 %!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	262
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	263 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	264 %! rt2 = sqrt (2);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	265 %! rt3 = sqrt (3);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	266 %! 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	267 %! 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	268 %! 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	269 %! 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	270
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	271 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	272 %! rt2 = sqrt (2);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	273 %! rt3 = sqrt (3);
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	274 %! 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	275 %! 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	276 %! 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	277 %! 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	278
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	279 %!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	280 %!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	281
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	282 */
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	283
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	284
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	285
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	286 DEFUN (hypot, args, ,
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	287 "-- texinfo --\n\
9141 c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9066 diff changeset	288 @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	289 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	290 @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	291 @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	292 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	293 @end deftypefn")
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	294 {
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	295 octave_value retval;
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	296
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	297 int nargin = args.length ();
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	298
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	299 if (nargin == 2)
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	300 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	301 octave_value arg0 = args(0), arg1 = args(1);
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	302 if (! arg0.is_numeric_type ())
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	303 gripe_wrong_type_arg ("hypot", arg0);
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	304 else if (! arg1.is_numeric_type ())
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	305 gripe_wrong_type_arg ("hypot", arg1);
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	306 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	307 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	308 if (arg0.is_complex_type ())
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	309 arg0 = arg0.abs ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	310 if (arg1.is_complex_type ())
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	311 arg1 = arg1.abs ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	312
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	313 if (arg0.is_single_type () \|\| arg1.is_single_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	314 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	315 if (arg0.is_scalar_type () && arg1.is_scalar_type ())
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	316 retval = hypotf (arg0.float_value (), arg1.float_value ());
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	317 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	318 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	319 FloatNDArray a0 = arg0.float_array_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	320 FloatNDArray a1 = arg1.float_array_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	321 retval = binmap<float> (a0, a1, ::hypotf, "hypot");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	322 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	323 }
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	324 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	325 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	326 bool a0_scalar = arg0.is_scalar_type ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	327 bool a1_scalar = arg1.is_scalar_type ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	328 if (a0_scalar && a1_scalar)
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	329 retval = hypot (arg0.scalar_value (), arg1.scalar_value ());
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	330 else if ((a0_scalar \|\| arg0.is_sparse_type ())
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	331 && (a1_scalar \|\| arg1.is_sparse_type ()))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	332 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	333 SparseMatrix m0 = arg0.sparse_matrix_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	334 SparseMatrix m1 = arg1.sparse_matrix_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	335 retval = binmap<double> (m0, m1, ::hypot, "hypot");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	336 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	337 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	338 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	339 NDArray a0 = arg0.array_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	340 NDArray a1 = arg1.array_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	341 retval = binmap<double> (a0, a1, ::hypot, "hypot");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	342 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	343 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	344 }
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	345 }
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	346 else
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	347 print_usage ();
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	348
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	349 return retval;
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	350 }
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	351
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	352 /*
7741 72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	353 %!assert (size (hypot (zeros (0, 2), zeros (0, 2))), [0, 2])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	354 %!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	355 %!assert (size (hypot (rand (2, 3, 4), 1)), [2, 3, 4])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	356 %!assert (size (hypot (1, rand (2, 3, 4))), [2, 3, 4])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	357 %!assert (size (hypot (1, 2)), [1, 1])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	358 %!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	359 %!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	360 */
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	361
9813 8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	362 template<typename T, typename ET>
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	363 void
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	364 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	365 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	366 f = Array<T>(x.dims ());
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	367 e = Array<ET>(x.dims ());
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	368 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	369 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	370 int exp;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	371 f.xelem (i) = xlog2 (x(i), exp);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	372 e.xelem (i) = exp;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	373 }
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	374 }
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	375
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	376 DEFUN (log2, args, nargout,
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	377 "-- texinfo --\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	378 @deftypefn {Mapping Function} {} log2 (@var{x})\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	379 @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	380 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	381 \n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	382 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	383 binary mantissa and exponent so that\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	384 @tex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	385 ${1 \\over 2} \\le \\left\| f \\right\| < 1$\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	386 @end tex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	387 @ifnottex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	388 @code{1/2 <= abs(f) < 1}\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	389 @end ifnottex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	390 and @var{e} is an integer. If\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	391 @tex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	392 $x = 0$, $f = e = 0$.\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	393 @end tex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	394 @ifnottex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	395 @code{x = 0}, @code{f = e = 0}.\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	396 @end ifnottex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	397 @seealso{pow2, log, log10, exp}\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	398 @end deftypefn")
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	399 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	400 octave_value_list retval;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	401
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	402 if (args.length () == 1)
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	403 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	404 if (nargout < 2)
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	405 retval(0) = args(0).log2 ();
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	406 else if (args(0).is_single_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	407 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	408 if (args(0).is_real_type ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	409 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	410 FloatNDArray f;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	411 FloatNDArray x = args(0).float_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	412 // FIXME -- should E be an int value?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	413 FloatMatrix e;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	414 map_2_xlog2 (x, f, e);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	415 retval (1) = e;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	416 retval (0) = f;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	417 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	418 else if (args(0).is_complex_type ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	419 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	420 FloatComplexNDArray f;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	421 FloatComplexNDArray x = args(0).float_complex_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	422 // FIXME -- should E be an int value?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	423 FloatNDArray e;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	424 map_2_xlog2 (x, f, e);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	425 retval (1) = e;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	426 retval (0) = f;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	427 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	428 }
9813 8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	429 else if (args(0).is_real_type ())
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	430 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	431 NDArray f;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	432 NDArray x = args(0).array_value ();
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	433 // FIXME -- should E be an int value?
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	434 Matrix e;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	435 map_2_xlog2 (x, f, e);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	436 retval (1) = e;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	437 retval (0) = f;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	438 }
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	439 else if (args(0).is_complex_type ())
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	440 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	441 ComplexNDArray f;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	442 ComplexNDArray x = args(0).complex_array_value ();
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	443 // FIXME -- should E be an int value?
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	444 NDArray e;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	445 map_2_xlog2 (x, f, e);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	446 retval (1) = e;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	447 retval (0) = f;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	448 }
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	449 else
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	450 gripe_wrong_type_arg ("log2", args(0));
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	451 }
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	452 else
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	453 print_usage ();
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	454
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	455 return retval;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	456 }
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	457
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	458 /*
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	459 %!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	460 %!assert(log2(Inf), Inf);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	461 %!assert(isnan(log2(NaN)));
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	462 %!assert(log2(4i), 2 + log2(1i));
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	463 %!assert(log2(complex(0,Inf)), Inf + log2(i));
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	464
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	465 %!test
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	466 %! [f, e] = log2 ([0,-1; 2,-4; Inf,-Inf]);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	467 %! 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	468 %! assert (e(1:2,:), [0,1;2,3])
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	469
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	470 %!test
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	471 %! [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	472 %! 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	473 %! assert (e(1:2,:), [0,1; 2,3]);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	474 */
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	475
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	476 DEFUN (fmod, args, ,
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	477 "-- texinfo --\n\
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	478 @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	479 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	480 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	481 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	482 @seealso{mod, rem}\n\
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	483 @end deftypefn")
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	484 {
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	485 octave_value retval;
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	486
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	487 int nargin = args.length ();
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	488
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	489 if (nargin == 2)
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	490 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	491 if (! args(0).is_numeric_type ())
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	492 gripe_wrong_type_arg ("fmod", args(0));
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	493 else if (! args(1).is_numeric_type ())
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	494 gripe_wrong_type_arg ("fmod", args(1));
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	495 else if (args(0).is_complex_type () \|\| args(1).is_complex_type ())
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	496 error ("fmod: not defined for complex numbers");
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	497 else if (args(0).is_single_type () \|\| args(1).is_single_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	498 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	499 if (args(0).is_scalar_type () && args(1).is_scalar_type ())
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	500 retval = fmodf (args(0).float_value (), args(1).float_value ());
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	501 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	502 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	503 FloatNDArray a0 = args(0).float_array_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	504 FloatNDArray a1 = args(1).float_array_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	505 retval = binmap<float> (a0, a1, ::fmodf, "fmod");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	506 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	507 }
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	508 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	509 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	510 bool a0_scalar = args(0).is_scalar_type ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	511 bool a1_scalar = args(1).is_scalar_type ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	512 if (a0_scalar && a1_scalar)
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	513 retval = fmod (args(0).scalar_value (), args(1).scalar_value ());
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	514 else if ((a0_scalar \|\| args(0).is_sparse_type ())
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	515 && (a1_scalar \|\| args(1).is_sparse_type ()))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	516 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	517 SparseMatrix m0 = args(0).sparse_matrix_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	518 SparseMatrix m1 = args(1).sparse_matrix_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	519 retval = binmap<double> (m0, m1, ::fmod, "fmod");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	520 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	521 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	522 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	523 NDArray a0 = args(0).array_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	524 NDArray a1 = args(1).array_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	525 retval = binmap<double> (a0, a1, ::fmod, "fmod");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	526 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	527 }
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	528 }
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	529 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	530 print_usage ();
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	531
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	532 return retval;
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	533 }
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	534
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	535 /*
7741 72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	536 %!assert (size (fmod (zeros (0, 2), zeros (0, 2))), [0, 2])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	537 %!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	538 %!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	539 %!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	540 %!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	541 */
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	542
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	543 // 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	544
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	545 #define NATIVE_REDUCTION_1(FCN, TYPE, DIM) \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	546 (arg.is_ ## TYPE ## _type ()) \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	547 { \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	548 TYPE ## NDArray tmp = arg. TYPE ##_array_value (); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	549 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	550 if (! error_state) \
8780 ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	551 { \
ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	552 retval = tmp.FCN (DIM); \
ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	553 } \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	554 }
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	555
8780 ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	556 #define NATIVE_REDUCTION(FCN, BOOL_FCN) \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	557 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	558 octave_value retval; \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	559 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	560 int nargin = args.length (); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	561 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	562 bool isnative = false; \
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	563 bool isdouble = false; \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	564 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	565 if (nargin > 1 && args(nargin - 1).is_string ()) \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	566 { \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	567 std::string str = args(nargin - 1).string_value (); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	568 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	569 if (! error_state) \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	570 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	571 if (str == "native") \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	572 isnative = true; \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	573 else if (str == "double") \
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	574 isdouble = true; \
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	575 else \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	576 error ("sum: unrecognized string argument"); \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	577 nargin --; \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	578 } \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	579 } \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	580 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	581 if (nargin == 1 \|\| nargin == 2) \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	582 { \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	583 octave_value arg = args(0); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	584 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	585 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	586 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	587 if (! error_state) \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	588 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	589 if (dim >= -1) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	590 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	591 if (arg.is_sparse_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	592 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	593 if (arg.is_real_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	594 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	595 SparseMatrix tmp = arg.sparse_matrix_value (); \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	596 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	597 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	598 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	599 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	600 else \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	601 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	602 SparseComplexMatrix tmp = arg.sparse_complex_matrix_value (); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	603 \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	604 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	605 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	606 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	607 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	608 else \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	609 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	610 if (isnative) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	611 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	612 if NATIVE_REDUCTION_1 (FCN, uint8, dim) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	613 else if NATIVE_REDUCTION_1 (FCN, uint16, dim) \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	614 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	615 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	616 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	617 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	618 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	619 else if NATIVE_REDUCTION_1 (FCN, int64, dim) \
8756 d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	620 else if (arg.is_bool_type ()) \
d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	621 { \
8780 ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	622 boolNDArray tmp = arg.bool_array_value (); \
8756 d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	623 if (! error_state) \
8780 ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	624 retval = boolNDArray (tmp.BOOL_FCN (dim)); \
8756 d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	625 } \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	626 else if (arg.is_char_matrix ()) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	627 { \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	628 error (#FCN, ": invalid char type"); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	629 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	630 else if (!isdouble && arg.is_single_type ()) \
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	631 { \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	632 if (arg.is_complex_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	633 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	634 FloatComplexNDArray tmp = \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	635 arg.float_complex_array_value (); \
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	636 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	637 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	638 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	639 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	640 else if (arg.is_real_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	641 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	642 FloatNDArray tmp = arg.float_array_value (); \
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	643 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	644 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	645 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	646 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	647 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	648 else if (arg.is_complex_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	649 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	650 ComplexNDArray tmp = arg.complex_array_value (); \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	651 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	652 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	653 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	654 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	655 else if (arg.is_real_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	656 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	657 NDArray tmp = arg.array_value (); \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	658 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	659 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	660 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	661 } \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	662 else \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	663 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	664 gripe_wrong_type_arg (#FCN, arg); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	665 return retval; \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	666 } \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	667 } \
8756 d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	668 else if (arg.is_bool_type ()) \
d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	669 { \
d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	670 boolNDArray tmp = arg.bool_array_value (); \
d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	671 if (! error_state) \
d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	672 retval = tmp.FCN (dim); \
d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	673 } \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	674 else if (!isdouble && arg.is_single_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	675 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	676 if (arg.is_real_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	677 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	678 FloatNDArray tmp = arg.float_array_value (); \
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	679 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	680 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	681 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	682 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	683 else if (arg.is_complex_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	684 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	685 FloatComplexNDArray tmp = \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	686 arg.float_complex_array_value (); \
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	687 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	688 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	689 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	690 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	691 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	692 else if (arg.is_real_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	693 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	694 NDArray tmp = arg.array_value (); \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	695 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	696 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	697 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	698 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	699 else if (arg.is_complex_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	700 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	701 ComplexNDArray tmp = arg.complex_array_value (); \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	702 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	703 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	704 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	705 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	706 else \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	707 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	708 gripe_wrong_type_arg (#FCN, arg); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	709 return retval; \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	710 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	711 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	712 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	713 else \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	714 error (#FCN ": invalid dimension argument = %d", dim + 1); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	715 } \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	716 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	717 } \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	718 else \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	719 print_usage (); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	720 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	721 return retval
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	722
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	723 #define DATA_REDUCTION(FCN) \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	724 \
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4176 diff changeset	725 octave_value retval; \
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	726 \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	727 int nargin = args.length (); \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	728 \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	729 if (nargin == 1 \|\| nargin == 2) \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	730 { \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	731 octave_value arg = args(0); \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	732 \
3864 e78705239df5 [project @ 2001-11-16 12:56:20 by jwe] jwe parents: 3797 diff changeset	733 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	734 \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	735 if (! error_state) \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	736 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	737 if (dim >= -1) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	738 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	739 if (arg.is_real_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	740 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	741 if (arg.is_sparse_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	742 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	743 SparseMatrix tmp = arg.sparse_matrix_value (); \
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	744 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	745 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	746 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	747 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	748 else if (arg.is_single_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	749 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	750 FloatNDArray tmp = arg.float_array_value (); \
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	751 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	752 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	753 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	754 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	755 else \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	756 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	757 NDArray tmp = arg.array_value (); \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	758 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	759 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	760 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	761 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	762 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	763 else if (arg.is_complex_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	764 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	765 if (arg.is_sparse_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	766 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	767 SparseComplexMatrix tmp = arg.sparse_complex_matrix_value (); \
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	768 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	769 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	770 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	771 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	772 else if (arg.is_single_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	773 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	774 FloatComplexNDArray tmp = arg.float_complex_array_value (); \
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	775 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	776 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	777 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	778 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	779 else \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	780 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	781 ComplexNDArray tmp = arg.complex_array_value (); \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	782 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	783 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	784 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	785 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	786 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	787 else \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	788 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	789 gripe_wrong_type_arg (#FCN, arg); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	790 return retval; \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	791 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	792 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	793 else \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	794 error (#FCN ": invalid dimension argument = %d", dim + 1); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	795 } \
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	796 } \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	797 else \
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	798 print_usage (); \
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	799 \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	800 return retval
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	801
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	802 DEFUN (cumprod, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	803 "-- texinfo --\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	804 @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	805 @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	806 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	807 @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	808 \n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	809 @seealso{prod, cumsum}\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	810 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	811 {
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	812 DATA_REDUCTION (cumprod);
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	813 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	814
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	815 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	816
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	817 %!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	818 %!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	819 %!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	820 %!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	821
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	822 %!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	823 %!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	824 %!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	825 %!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	826
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	827 %!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	828
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	829 %!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	830 %!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	831
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	832 %!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	833 %!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	834
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	835 */
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	836
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	837 DEFUN (cumsum, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	838 "-- texinfo --\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	839 @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	840 @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	841 @deftypefnx {Built-in Function} {} cumsum (@dots{}, 'native')\n\
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	842 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	843 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	844 \n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	845 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	846 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	847 \"native\".\n\
9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	848 @seealso{sum, cumprod}\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	849 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	850 {
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	851 octave_value retval;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	852
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	853 int nargin = args.length ();
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	854
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	855 bool isnative = false;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	856 bool isdouble = false;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	857
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	858 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	859 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	860 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	861
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	862 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	863 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	864 if (str == "native")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	865 isnative = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	866 else if (str == "double")
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	867 isdouble = true;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	868 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	869 error ("sum: unrecognized string argument");
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	870 nargin --;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	871 }
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	872 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	873
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	874 if (error_state)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	875 return retval;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	876
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	877 if (nargin == 1 \|\| nargin == 2)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	878 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	879 octave_value arg = args(0);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	880
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	881 int dim = -1;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	882 if (nargin == 2)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	883 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	884 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	885 if (dim < 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	886 error ("cumsum: invalid dimension argument = %d", dim + 1);
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	887 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	888
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	889 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	890 {
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	891 switch (arg.builtin_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	892 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	893 case btyp_double:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	894 if (arg.is_sparse_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	895 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	896 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	897 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	898 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	899 case btyp_complex:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	900 if (arg.is_sparse_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	901 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	902 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	903 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	904 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	905 case btyp_float:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	906 if (isdouble)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	907 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	908 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	909 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	910 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	911 case btyp_float_complex:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	912 if (isdouble)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	913 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	914 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	915 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	916 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	917
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	918 #define MAKE_INT_BRANCH(X) \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	919 case btyp_ ## X: \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	920 if (isnative) \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	921 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	922 else \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	923 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	924 break
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	925 MAKE_INT_BRANCH (int8);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	926 MAKE_INT_BRANCH (int16);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	927 MAKE_INT_BRANCH (int32);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	928 MAKE_INT_BRANCH (int64);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	929 MAKE_INT_BRANCH (uint8);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	930 MAKE_INT_BRANCH (uint16);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	931 MAKE_INT_BRANCH (uint32);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	932 MAKE_INT_BRANCH (uint64);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	933 #undef MAKE_INT_BRANCH
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	934
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	935 case btyp_bool:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	936 if (arg.is_sparse_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	937 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	938 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	939 if (isnative)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	940 retval = cs != 0.0;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	941 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	942 retval = cs;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	943 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	944 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	945 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	946 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	947 if (isnative)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	948 retval = cs != 0.0;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	949 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	950 retval = cs;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	951 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	952 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	953
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	954 default:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	955 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	956 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	957 }
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	958 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	959 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	960 print_usage ();
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	961
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	962 return retval;
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	963 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	964
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	965 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	966
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	967 %!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	968 %!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	969 %!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	970 %!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	971
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	972 %!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	973 %!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	974 %!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	975 %!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	976
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	977 %!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	978
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	979 %!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	980 %!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	981
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	982 %!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	983 %!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	984
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	985 */
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	986
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	987 DEFUN (diag, args, ,
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	988 "-- texinfo --\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	989 @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	990 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	991 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	992 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	993 @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	994 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	995 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	996 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	997 @group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	998 diag ([1, 2, 3], 1)\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	999 @result{} 0 1 0 0\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1000 0 0 2 0\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1001 0 0 0 3\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1002 0 0 0 0\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1003 @end group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1004 @end example\n\
6772 315bc7c8f9b5 [project @ 2007-07-10 09:51:39 by dbateman] dbateman parents: 6688 diff changeset	1005 \n\
315bc7c8f9b5 [project @ 2007-07-10 09:51:39 by dbateman] dbateman parents: 6688 diff changeset	1006 @noindent\n\
315bc7c8f9b5 [project @ 2007-07-10 09:51:39 by dbateman] dbateman parents: 6688 diff changeset	1007 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	1008 @var{k}-th diagonal of the matrix.\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1009 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1010 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4176 diff changeset	1011 octave_value retval;
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1012
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1013 int nargin = args.length ();
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1014
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	1015 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	1016 retval = args(0).diag();
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	1017 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	1018 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7618 diff changeset	1019 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	1020
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7618 diff changeset	1021 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1022 error ("diag: invalid second argument");
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7618 diff changeset	1023 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1024 retval = args(0).diag(k);
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7618 diff changeset	1025 }
8366 8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1026 else if (nargin == 3)
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1027 {
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1028 octave_value arg0 = args(0);
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1029 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	1030 {
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1031 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	1032 if (! error_state)
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1033 retval = arg0.diag ().resize (dim_vector (m, n));
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1034 else
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1035 error ("diag: invalid dimensions");
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1036 }
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1037 else
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1038 error ("diag: first argument must be a vector");
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1039 }
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1040 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	1041 print_usage ();
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1042
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1043 return retval;
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1044 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1045
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1046 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1047
8459 d17874a6f161 improve indexing of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8458 diff changeset	1048 %!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	1049 %!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	1050 %!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	1051 %!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	1052 %!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	1053
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1054 %!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	1055 %!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	1056 %!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	1057
8459 d17874a6f161 improve indexing of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8458 diff changeset	1058 %!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	1059 %!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	1060 %!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	1061 %!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	1062 %!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	1063
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1064 %!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	1065 %!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	1066 %!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	1067
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1068 %!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	1069 %!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	1070 %!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	1071 %!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	1072 %!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	1073
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1074 %!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	1075 %!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	1076 %!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	1077
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1078 %!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	1079
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1080 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1081
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	1082 DEFUN (prod, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	1083 "-- texinfo --\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1084 @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	1085 @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	1086 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	1087 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	1088 @seealso{cumprod, sum}\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	1089 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1090 {
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1091 DATA_REDUCTION (prod);
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1092 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1093
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1094 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1095
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1096 %!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	1097 %!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	1098 %!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	1099 %!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	1100
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1101 %!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	1102 %!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	1103 %!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	1104 %!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	1105
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1106 %!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	1107
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1108 %!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	1109 %!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	1110 %!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	1111 %!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	1112 %!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	1113 %!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	1114 %!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	1115 %!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	1116 %!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	1117 %!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	1118 %!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	1119 %!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	1120 %!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	1121 %!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	1122
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1123 %!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	1124 %!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	1125 %!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	1126 %!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	1127 %!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	1128 %!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	1129 %!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	1130 %!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	1131 %!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	1132 %!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	1133 %!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	1134 %!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	1135 %!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	1136 %!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	1137
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1138 */
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1139
8107 8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1140 #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	1141 do \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1142 { \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1143 int dv_len = dv.length (); \
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	1144 Array<octave_idx_type> ra_idx (dv_len > 1 ? dv_len : 2, 1, 0); \
8107 8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1145 \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1146 for (int j = 1; j < n_args; j++) \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1147 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1148 octave_quit (); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1149 \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1150 TYPE ra = args(j).EXTRACTOR (); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1151 \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1152 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1153 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1154 result.insert (ra, ra_idx); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1155 \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1156 if (error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1157 return retval; \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1158 \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1159 dim_vector dv_tmp = args (j).dims (); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1160 \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1161 if (dim >= dv_len) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1162 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1163 if (j > 1) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1164 error ("%s: indexing error", fname.c_str ()); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1165 break; \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1166 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1167 else \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1168 ra_idx (dim) += (dim < dv_tmp.length () ? dv_tmp (dim) : 1); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1169 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1170 } \
8107 8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1171 } \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1172 while (0)
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1173
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1174 #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	1175 do \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1176 { \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1177 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	1178 \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1179 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	1180 \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1181 retval = result; \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1182 } \
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1183 while (0)
8655dc0906e6 Special case single type conacation in Fcat. Rework cell2mat to take advantage David Bateman <dbateman@free.fr> parents: 7991 diff changeset	1184
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1185 static octave_value
4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1186 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	1187 {
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1188 octave_value retval;
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1189
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1190 int n_args = args.length ();
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1191
5714 24f6a13878c2 [project @ 2006-03-23 21:46:09 by jwe] jwe parents: 5677 diff changeset	1192 if (n_args == 1)
24f6a13878c2 [project @ 2006-03-23 21:46:09 by jwe] jwe parents: 5677 diff changeset	1193 retval = Matrix ();
24f6a13878c2 [project @ 2006-03-23 21:46:09 by jwe] jwe parents: 5677 diff changeset	1194 else if (n_args == 2)
24f6a13878c2 [project @ 2006-03-23 21:46:09 by jwe] jwe parents: 5677 diff changeset	1195 retval = args(1);
5507 273612001e3a [project @ 2005-10-26 08:01:24 by dbateman] dbateman parents: 5476 diff changeset	1196 else if (n_args > 2)
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1197 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5164 diff changeset	1198 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	1199
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1200 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1201 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1202 error ("cat: expecting first argument to be a integer");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1203 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1204 }
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1205
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1206 if (dim >= 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1207 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1208
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1209 dim_vector dv = args(1).dims ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1210 std::string result_type = args(1).class_name ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1211
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1212 bool all_sq_strings_p = args(1).is_sq_string ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1213 bool all_dq_strings_p = args(1).is_dq_string ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1214 bool all_real_p = args(1).is_real_type ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1215 bool any_sparse_p = args(1).is_sparse_type();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1216
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1217 for (int i = 2; i < args.length (); i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1218 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1219 // add_dims constructs a dimension vector which holds the
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1220 // dimensions of the final array after concatenation.
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1221
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1222 if (! dv.concat (args(i).dims (), dim))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1223 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1224 // Dimensions do not match.
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1225 error ("cat: dimension mismatch");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1226 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1227 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1228
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1229 result_type =
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1230 get_concat_class (result_type, args(i).class_name ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1231
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1232 if (all_sq_strings_p && ! args(i).is_sq_string ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1233 all_sq_strings_p = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1234 if (all_dq_strings_p && ! args(i).is_dq_string ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1235 all_dq_strings_p = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1236 if (all_real_p && ! args(i).is_real_type ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1237 all_real_p = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1238 if (!any_sparse_p && args(i).is_sparse_type ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1239 any_sparse_p = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1240 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1241
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1242 if (result_type == "double")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1243 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1244 if (any_sparse_p)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1245 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1246 if (all_real_p)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1247 DO_SINGLE_TYPE_CONCAT (SparseMatrix, sparse_matrix_value);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1248 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1249 DO_SINGLE_TYPE_CONCAT (SparseComplexMatrix, sparse_complex_matrix_value);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1250 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1251 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1252 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1253 if (all_real_p)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1254 DO_SINGLE_TYPE_CONCAT (NDArray, array_value);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1255 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1256 DO_SINGLE_TYPE_CONCAT (ComplexNDArray, complex_array_value);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1257 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1258 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1259 else if (result_type == "single")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1260 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1261 if (all_real_p)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1262 DO_SINGLE_TYPE_CONCAT (FloatNDArray, float_array_value);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1263 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1264 DO_SINGLE_TYPE_CONCAT (FloatComplexNDArray,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1265 float_complex_array_value);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1266 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1267 else if (result_type == "char")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1268 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1269 char type = all_dq_strings_p ? '"' : '\'';
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1270
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1271 maybe_warn_string_concat (all_dq_strings_p, all_sq_strings_p);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1272
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1273 charNDArray result (dv, Vstring_fill_char);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1274
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1275 SINGLE_TYPE_CONCAT (charNDArray, char_array_value);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1276
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1277 retval = octave_value (result, type);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1278 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1279 else if (result_type == "logical")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1280 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1281 if (any_sparse_p)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1282 DO_SINGLE_TYPE_CONCAT (SparseBoolMatrix, sparse_bool_matrix_value);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1283 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1284 DO_SINGLE_TYPE_CONCAT (boolNDArray, bool_array_value);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1285 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1286 else if (result_type == "int8")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1287 DO_SINGLE_TYPE_CONCAT (int8NDArray, int8_array_value);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1288 else if (result_type == "int16")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1289 DO_SINGLE_TYPE_CONCAT (int16NDArray, int16_array_value);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1290 else if (result_type == "int32")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1291 DO_SINGLE_TYPE_CONCAT (int32NDArray, int32_array_value);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1292 else if (result_type == "int64")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1293 DO_SINGLE_TYPE_CONCAT (int64NDArray, int64_array_value);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1294 else if (result_type == "uint8")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1295 DO_SINGLE_TYPE_CONCAT (uint8NDArray, uint8_array_value);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1296 else if (result_type == "uint16")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1297 DO_SINGLE_TYPE_CONCAT (uint16NDArray, uint16_array_value);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1298 else if (result_type == "uint32")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1299 DO_SINGLE_TYPE_CONCAT (uint32NDArray, uint32_array_value);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1300 else if (result_type == "uint64")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1301 DO_SINGLE_TYPE_CONCAT (uint64NDArray, uint64_array_value);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1302 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1303 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1304 // The lines below might seem crazy, since we take a copy
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1305 // of the first argument, resize it to be empty and then resize
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1306 // it to be full. This is done since it means that there is no
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1307 // recopying of data, as would happen if we used a single resize.
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1308 // It should be noted that resize operation is also significantly
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1309 // slower than the do_cat_op function, so it makes sense to have
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1310 // an empty matrix and copy all data.
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1311 //
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1312 // We might also start with a empty octave_value using
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1313 // tmp = octave_value_typeinfo::lookup_type
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1314 // (args(1).type_name());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1315 // and then directly resize. However, for some types there might
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1316 // be some additional setup needed, and so this should be avoided.
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1317
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1318 octave_value tmp = args (1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1319 tmp = tmp.resize (dim_vector (0,0)).resize (dv);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1320
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1321 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1322 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1323
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1324 int dv_len = dv.length ();
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	1325 Array<octave_idx_type> ra_idx (dv_len, 1, 0);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1326
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1327 for (int j = 1; j < n_args; j++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1328 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1329 // Can't fast return here to skip empty matrices as something
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1330 // like cat(1,[],single([])) must return an empty matrix of
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1331 // the right type.
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1332 tmp = do_cat_op (tmp, args (j), ra_idx);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1333
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1334 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1335 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1336
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1337 dim_vector dv_tmp = args (j).dims ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1338
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1339 if (dim >= dv_len)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1340 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1341 if (j > 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1342 error ("%s: indexing error", fname.c_str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1343 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1344 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1345 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1346 ra_idx (dim) += (dim < dv_tmp.length () ?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1347 dv_tmp (dim) : 1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1348 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1349 retval = tmp;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1350 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1351
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1352 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1353 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1354 // Reshape, chopping trailing singleton dimensions
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1355 dv.chop_trailing_singletons ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1356 retval = retval.reshape (dv);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1357 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1358 }
5533 667ad2becb63 [project @ 2005-11-10 21:40:48 by jwe] jwe parents: 5507 diff changeset	1359 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1360 error ("%s: invalid dimension argument", fname.c_str ());
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1361 }
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1362 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	1363 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	1364
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1365 return retval;
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1366 }
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1367
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1368 DEFUN (horzcat, args, ,
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1369 "-- texinfo --\n\
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1370 @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	1371 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	1372 @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	1373 @seealso{cat, vertcat}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	1374 @end deftypefn")
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1375 {
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1376 octave_value_list args_tmp = args;
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1377
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1378 int dim = 2;
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1379
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1380 octave_value d (dim);
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1381
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1382 args_tmp.prepend (d);
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1383
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1384 return do_cat (args_tmp, "horzcat");
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1385 }
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1386
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1387 DEFUN (vertcat, args, ,
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1388 "-- texinfo --\n\
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1389 @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	1390 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	1391 @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	1392 @seealso{cat, horzcat}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	1393 @end deftypefn")
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1394 {
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1395 octave_value_list args_tmp = args;
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1396
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1397 int dim = 1;
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1398
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1399 octave_value d (dim);
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1400
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1401 args_tmp.prepend (d);
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1402
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1403 return do_cat (args_tmp, "vertcat");
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1404 }
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1405
4758 a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1406 DEFUN (cat, args, ,
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1407 "-- texinfo --\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1408 @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	1409 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	1410 @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	1411 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1412 @example\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1413 @group\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1414 A = ones (2, 2);\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1415 B = zeros (2, 2);\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1416 cat (2, A, B)\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1417 @result{} ans =\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1418 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1419 1 1 0 0\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1420 1 1 0 0\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1421 @end group\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1422 @end example\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1423 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1424 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	1425 second dimension the following way:\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1426 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1427 @example\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1428 @group\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1429 [A, B].\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1430 @end group\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1431 @end example\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1432 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1433 @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	1434 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	1435 following example shows:\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1436 @example\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1437 @group\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1438 cat (4, ones(2, 2), zeros (2, 2))\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1439 @result{} ans =\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1440 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1441 ans(:,:,1,1) =\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1442 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1443 1 1\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1444 1 1\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1445 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1446 ans(:,:,1,2) =\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1447 0 0\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1448 0 0\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1449 @end group\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1450 @end example\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	1451 @seealso{horzcat, vertcat}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	1452 @end deftypefn")
4758 a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1453 {
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1454 return do_cat (args, "cat");
4758 a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1455 }
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1456
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1457 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1458
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1459 %!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	1460 %! 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	1461 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1462 %! 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	1463 %! 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	1464 %! 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	1465 %! 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	1466 %! 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	1467 %! 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	1468 %! 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	1469 %! 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	1470 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1471 %! 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	1472 %! 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	1473 %! 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	1474 %! 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	1475 %! 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	1476 %! 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	1477 %! 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	1478 %! 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	1479 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1480 %! 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	1481 %! 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	1482 %! 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	1483 %! 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	1484 %! 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	1485 %! 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	1486 %! 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	1487 %! 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	1488 %! 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	1489 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1490 %! 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	1491 %! 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	1492 %! 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	1493 %! 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	1494 %! 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	1495 %! 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	1496 %! 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	1497 %! 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	1498 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1499 %! 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	1500 %! 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	1501 %! 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	1502 %! 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	1503 %! 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	1504 %! 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	1505 %! 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	1506 %! 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	1507 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1508 %! 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	1509 %! 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	1510 %! 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	1511 %! 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	1512 %! 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	1513 %! 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	1514 %! 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	1515 %! 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	1516 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1517 %! 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	1518 %! 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	1519 %! 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	1520 %! 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	1521 %! 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	1522 %! 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	1523 %! 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	1524 %! 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	1525 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1526 %! 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	1527 %! 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	1528 %! 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	1529 %! 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	1530 %! 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	1531 %! 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	1532 %! 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	1533 %! 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	1534 %! endif
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1535 %! ret = true;
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1536
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1537 %!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	1538 %!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	1539 %!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	1540 %!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	1541
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1542 %!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	1543 %!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	1544 %!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	1545 %!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	1546 %!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	1547 %!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	1548 %!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	1549 %!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	1550 %!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	1551 %!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	1552 %!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	1553 %!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	1554 %!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	1555 %!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	1556 %!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	1557 %!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	1558 %!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	1559 %!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	1560 %!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	1561 %!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	1562
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1563 %!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	1564 %!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	1565 %!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	1566 %!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	1567 %!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	1568 %!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	1569 %!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	1570 %!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	1571 %!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	1572 %!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	1573 %!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	1574 %!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	1575 %!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	1576 %!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	1577 %!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	1578 %!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	1579 %!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	1580 %!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	1581 %!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	1582 %!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	1583
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1584 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1585
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1586 static octave_value
6959 47f4f4e88166 [project @ 2007-10-04 20:43:32 by jwe] jwe parents: 6953 diff changeset	1587 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	1588 {
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1589 octave_value retval;
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1590
5148 9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	1591 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	1592 {
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1593 Array<int> vec = args(1).int_vector_value ();
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1594
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5747 diff changeset	1595 // 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	1596 // here and pass that to permute?
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	1597
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	1598 int n = vec.length ();
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	1599
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	1600 for (int i = 0; i < n; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1601 vec(i)--;
5148 9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	1602
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1603 octave_value ret = args(0).permute (vec, inv);
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1604
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1605 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1606 retval = ret;
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1607 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1608 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	1609 print_usage ();
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1610
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1611 return retval;
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1612 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1613
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1614 DEFUN (permute, args, ,
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1615 "-- texinfo --\n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1616 @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	1617 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	1618 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	1619 @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	1620 @seealso{ipermute}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	1621 @end deftypefn")
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1622 {
6959 47f4f4e88166 [project @ 2007-10-04 20:43:32 by jwe] jwe parents: 6953 diff changeset	1623 return do_permute (args, false);
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1624 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1625
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1626 DEFUN (ipermute, args, ,
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1627 "-- texinfo --\n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1628 @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	1629 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	1630 \n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1631 @example\n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1632 ipermute (permute (a, perm), perm)\n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1633 @end example\n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1634 returns the original array @var{a}.\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	1635 @seealso{permute}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	1636 @end deftypefn")
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1637 {
6959 47f4f4e88166 [project @ 2007-10-04 20:43:32 by jwe] jwe parents: 6953 diff changeset	1638 return do_permute (args, true);
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1639 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1640
3195 7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1641 DEFUN (length, args, ,
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1642 "-- texinfo --\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1643 @deftypefn {Built-in Function} {} length (@var{a})\n\
4176 b8ec44432831 [project @ 2002-11-13 02:49:14 by jwe] jwe parents: 4153 diff changeset	1644 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	1645 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	1646 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	1647 @end deftypefn")
3195 7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1648 {
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1649 octave_value retval;
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1650
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1651 if (args.length () == 1)
9706 71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	1652 retval = args(0).length ();
3195 7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1653 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	1654 print_usage ();
3195 7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1655
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1656 return retval;
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1657 }
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1658
4554 78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1659 DEFUN (ndims, args, ,
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1660 "-- texinfo --\n\
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1661 @deftypefn {Built-in Function} {} ndims (@var{a})\n\
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1662 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	1663 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	1664 Trailing singleton dimensions are not counted.\n\
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1665 @end deftypefn")
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1666 {
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1667 octave_value retval;
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1668
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1669 if (args.length () == 1)
9706 71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	1670 retval = args(0).ndims ();
4554 78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1671 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	1672 print_usage ();
4554 78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1673
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1674 return retval;
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1675 }
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1676
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	1677 DEFUN (numel, args, ,
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	1678 "-- texinfo --\n\
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	1679 @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	1680 @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	1681 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	1682 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	1683 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	1684 @example\n\
5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	1685 @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	1686 @end example\n\
5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	1687 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	1688 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	1689 @seealso{size}\n\
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	1690 @end deftypefn")
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	1691 {
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	1692 octave_value retval;
9329 67fc970dad7d improve indexed assignment using indexed numel Jaroslav Hajek <highegg@gmail.com> parents: 9319 diff changeset	1693 octave_idx_type nargin = args.length ();
67fc970dad7d improve indexed assignment using indexed numel Jaroslav Hajek <highegg@gmail.com> parents: 9319 diff changeset	1694
9705 5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	1695 if (nargin == 1)
5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	1696 retval = args(0).numel ();
5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	1697 else if (nargin > 1)
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	1698 {
9705 5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	1699 // 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	1700 // an overloaded call, not to builtin!
5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	1701 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	1702 }
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	1703 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	1704 print_usage ();
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	1705
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	1706 return retval;
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	1707 }
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	1708
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	1709 DEFUN (size, args, nargout,
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1710 "-- texinfo --\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1711 @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	1712 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	1713 \n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1714 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	1715 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	1716 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	1717 etc. For example,\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1718 \n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1719 @example\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1720 @group\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1721 size ([1, 2; 3, 4; 5, 6])\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1722 @result{} [ 3, 2 ]\n\
1031 59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	1723 \n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1724 [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	1725 @result{} nr = 3\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1726 @result{} nc = 2\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1727 @end group\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1728 @end example\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1729 \n\
4741 e44d0ac643a5 [project @ 2004-02-05 21:57:50 by jwe] jwe parents: 4739 diff changeset	1730 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	1731 corresponding dimension. For example\n\
1031 59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	1732 \n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1733 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	1734 @group\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1735 size ([1, 2; 3, 4; 5, 6], 2)\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1736 @result{} 2\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	1737 @end group\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1738 @end example\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1739 \n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1740 @noindent\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1741 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	1742 @seealso{numel}\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1743 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1744 {
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	1745 octave_value_list retval;
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1746
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1747 int nargin = args.length ();
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1748
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4512 diff changeset	1749 if (nargin == 1)
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1750 {
9706 71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	1751 const dim_vector dimensions = args(0).dims ();
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4512 diff changeset	1752
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4512 diff changeset	1753 if (nargout > 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1754 {
9706 71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	1755 const dim_vector rdims = dimensions.redim (nargout);
71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	1756 retval.resize (nargout);
71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	1757 for (int i = 0; i < nargout; i++)
71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	1758 retval(i) = rdims(i);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1759 }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4512 diff changeset	1760 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1761 {
9706 71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	1762 int ndims = dimensions.length ();
71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	1763
71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	1764 NoAlias<Matrix> m (1, ndims);
71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	1765
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1766 for (int i = 0; i < ndims; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1767 m(i) = dimensions(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1768
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1769 retval(0) = m;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1770 }
1031 59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	1771 }
59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	1772 else if (nargin == 2 && nargout < 2)
59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	1773 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5164 diff changeset	1774 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	1775
59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	1776 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1777 error ("size: expecting scalar as second argument");
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	1778 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1779 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1780 const dim_vector dv = args(0).dims ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1781
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1782 if (nd > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1783 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1784 if (nd <= dv.length ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1785 retval(0) = dv(nd-1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1786 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1787 retval(0) = 1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1788 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1789 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1790 error ("size: requested dimension (= %d) out of range", nd);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1791 }
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1792 }
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	1793 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	1794 print_usage ();
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1795
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1796 return retval;
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1797 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1798
6156 a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	1799 DEFUN (size_equal, args, ,
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	1800 "-- texinfo --\n\
6561 dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	1801 @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	1802 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	1803 Trailing singleton dimensions are ignored.\n\
10002 e93c9bfff8b8 allow size_equal with 0 arguments Jaroslav Hajek <highegg@gmail.com> parents: 9866 diff changeset	1804 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	1805 @seealso{size, numel}\n\
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	1806 @end deftypefn")
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	1807 {
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	1808 octave_value retval;
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	1809
6561 dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	1810 int nargin = args.length ();
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	1811
10002 e93c9bfff8b8 allow size_equal with 0 arguments Jaroslav Hajek <highegg@gmail.com> parents: 9866 diff changeset	1812 retval = true;
e93c9bfff8b8 allow size_equal with 0 arguments Jaroslav Hajek <highegg@gmail.com> parents: 9866 diff changeset	1813
8947 1e4b3149365a allow size_equal called with 1 arg Jaroslav Hajek <highegg@gmail.com> parents: 8934 diff changeset	1814 if (nargin >= 1)
6156 a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	1815 {
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	1816 dim_vector a_dims = args(0).dims ();
6561 dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	1817
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	1818 for (int i = 1; i < nargin; ++i)
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	1819 {
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	1820 dim_vector b_dims = args(i).dims ();
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	1821
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	1822 if (a_dims != b_dims)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1823 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1824 retval = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1825 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1826 }
6561 dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	1827 }
6156 a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	1828 }
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	1829
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	1830 return retval;
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	1831 }
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	1832
5602 dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	1833 DEFUN (nnz, args, ,
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	1834 "-- texinfo --\n\
6156 a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	1835 @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	1836 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	1837 @seealso{sparse}\n\
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	1838 @end deftypefn")
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	1839 {
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	1840 octave_value retval;
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	1841
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	1842 if (args.length () == 1)
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	1843 retval = args(0).nnz ();
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	1844 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	1845 print_usage ();
5602 dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	1846
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	1847 return retval;
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	1848 }
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	1849
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	1850 DEFUN (nzmax, args, ,
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	1851 "-- texinfo --\n\
6156 a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	1852 @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	1853 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	1854 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	1855 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	1856 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	1857 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	1858 @seealso{sparse, spalloc}\n\
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	1859 @end deftypefn")
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	1860 {
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	1861 octave_value retval;
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	1862
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	1863 if (args.length() == 1)
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	1864 retval = args(0).nzmax ();
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	1865 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	1866 print_usage ();
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	1867
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	1868 return retval;
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	1869 }
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	1870
5677 a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1871 DEFUN (rows, args, ,
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1872 "-- texinfo --\n\
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1873 @deftypefn {Built-in Function} {} rows (@var{a})\n\
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1874 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	1875 @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	1876 @end deftypefn")
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1877 {
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1878 octave_value retval;
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1879
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1880 if (args.length () == 1)
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1881 retval = args(0).rows ();
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1882 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	1883 print_usage ();
5677 a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1884
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1885 return retval;
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1886 }
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1887
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1888 DEFUN (columns, args, ,
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1889 "-- texinfo --\n\
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1890 @deftypefn {Built-in Function} {} columns (@var{a})\n\
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1891 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	1892 @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	1893 @end deftypefn")
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1894 {
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1895 octave_value retval;
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1896
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1897 if (args.length () == 1)
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1898 retval = args(0).columns ();
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1899 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	1900 print_usage ();
5677 a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1901
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1902 return retval;
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1903 }
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	1904
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	1905 DEFUN (sum, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	1906 "-- texinfo --\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1907 @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	1908 @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	1909 @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	1910 @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	1911 @deftypefnx {Built-in Function} {} sum (@dots{}, 'extra')\n\
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1912 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	1913 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	1914 \n\
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1915 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	1916 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	1917 double type. For example\n\
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1918 \n\
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1919 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	1920 @group\n\
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1921 sum ([true, true])\n\
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1922 @result{} 2\n\
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1923 sum ([true, true], 'native')\n\
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1924 @result{} true\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	1925 @end group\n\
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	1926 @end example\n\
9723 f426899f4b9c fix reduction functions docstrings Jaroslav Hajek <highegg@gmail.com> parents: 9721 diff changeset	1927 \n\
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1928 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	1929 even for single precision inputs.\n\
9723 f426899f4b9c fix reduction functions docstrings Jaroslav Hajek <highegg@gmail.com> parents: 9721 diff changeset	1930 \n\
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1931 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	1932 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	1933 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	1934 @seealso{cumsum, sumsq, prod}\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	1935 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1936 {
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1937 octave_value retval;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1938
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1939 int nargin = args.length ();
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1940
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1941 bool isnative = false;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1942 bool isdouble = false;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1943 bool isextra = false;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1944
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1945 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	1946 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1947 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	1948
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1949 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1950 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1951 if (str == "native")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1952 isnative = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1953 else if (str == "double")
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1954 isdouble = true;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1955 else if (str == "extra")
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1956 isextra = true;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1957 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1958 error ("sum: unrecognized string argument");
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1959 nargin --;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1960 }
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1961 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1962
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1963 if (error_state)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1964 return retval;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1965
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1966 if (nargin == 1 \|\| nargin == 2)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1967 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1968 octave_value arg = args(0);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1969
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1970 int dim = -1;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1971 if (nargin == 2)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1972 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1973 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	1974 if (dim < 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1975 error ("sum: invalid dimension argument = %d", dim + 1);
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1976 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1977
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1978 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1979 {
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1980 switch (arg.builtin_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1981 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1982 case btyp_double:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1983 if (arg.is_sparse_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1984 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1985 if (isextra)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1986 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	1987 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	1988 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1989 else if (isextra)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1990 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	1991 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1992 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	1993 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1994 case btyp_complex:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1995 if (arg.is_sparse_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1996 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1997 if (isextra)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1998 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	1999 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	2000 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2001 else if (isextra)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2002 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	2003 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2004 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	2005 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2006 case btyp_float:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2007 if (isdouble \|\| isextra)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2008 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	2009 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2010 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	2011 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2012 case btyp_float_complex:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2013 if (isdouble \|\| isextra)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2014 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	2015 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2016 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	2017 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2018
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2019 #define MAKE_INT_BRANCH(X) \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2020 case btyp_ ## X: \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2021 if (isnative) \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2022 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	2023 else \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2024 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	2025 break
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2026 MAKE_INT_BRANCH (int8);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2027 MAKE_INT_BRANCH (int16);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2028 MAKE_INT_BRANCH (int32);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2029 MAKE_INT_BRANCH (int64);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2030 MAKE_INT_BRANCH (uint8);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2031 MAKE_INT_BRANCH (uint16);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2032 MAKE_INT_BRANCH (uint32);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2033 MAKE_INT_BRANCH (uint64);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2034 #undef MAKE_INT_BRANCH
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2035
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2036 case btyp_bool:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2037 if (arg.is_sparse_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2038 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2039 if (isnative)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2040 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	2041 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2042 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	2043 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2044 else if (isnative)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2045 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	2046 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2047 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	2048 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2049
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2050 default:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2051 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	2052 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2053 }
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2054 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2055 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2056 print_usage ();
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2057
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2058 return retval;
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2059 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2060
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2061 /*
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2062
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2063 %!assert (sum([true,true]), 2)
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2064 %!assert (sum([true,true],'native'), true)
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2065 %!assert (sum(int8([127,10,-20])), 117);
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2066 %!assert (sum(int8([127,10,-20]),'native'), int8(107));
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2067
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2068 %!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	2069 %!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	2070 %!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	2071 %!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	2072
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2073 %!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	2074 %!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	2075 %!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	2076 %!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	2077
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2078 %!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	2079
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2080 %!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	2081 %!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	2082 %!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	2083 %!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	2084 %!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	2085 %!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	2086 %!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	2087 %!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	2088 %!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	2089 %!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	2090 %!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	2091 %!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	2092 %!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	2093 %!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	2094 %!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	2095 %!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	2096 %!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	2097 %!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	2098 %!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	2099
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2100 %!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	2101 %!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	2102 %!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	2103 %!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	2104 %!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	2105 %!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	2106 %!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	2107 %!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	2108 %!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	2109 %!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	2110 %!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	2111 %!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	2112 %!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	2113 %!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	2114 %!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	2115 %!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	2116 %!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	2117 %!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	2118 %!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	2119
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2120 */
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2121
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	2122 DEFUN (sumsq, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2123 "-- texinfo --\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	2124 @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	2125 @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	2126 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	2127 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	2128 \n\
4689ee5e88ec [project @ 2004-11-03 21:23:42 by jwe] jwe parents: 5058 diff changeset	2129 This function is conceptually equivalent to computing\n\
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	2130 @example\n\
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	2131 sum (x .* conj (x), dim)\n\
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	2132 @end example\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	2133 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	2134 @seealso{sum}\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2135 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2136 {
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	2137 DATA_REDUCTION (sumsq);
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2138 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2139
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2140 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2141
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2142 %!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	2143 %!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	2144 %!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	2145
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2146 %!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	2147 %!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	2148 %!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	2149
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2150 %!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	2151
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2152 %!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	2153 %!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	2154
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2155 %!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	2156 %!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	2157
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2158 */
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2159
6688 b26a8e0e42cd [project @ 2007-06-04 06:25:21 by jwe] jwe parents: 6671 diff changeset	2160 DEFUN (islogical, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2161 "-- texinfo --\n\
7144 30c0533e39ae [project @ 2007-11-09 17:37:24 by jwe] jwe parents: 7112 diff changeset	2162 @deftypefn {Built-in Function} {} islogical (@var{x})\n\
6688 b26a8e0e42cd [project @ 2007-06-04 06:25:21 by jwe] jwe parents: 6671 diff changeset	2163 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	2164 @end deftypefn")
3209 fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2165 {
fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2166 octave_value retval;
fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2167
fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2168 if (args.length () == 1)
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2169 retval = args(0).is_bool_type ();
3209 fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2170 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2171 print_usage ();
3209 fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2172
fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2173 return retval;
fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2174 }
fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2175
6688 b26a8e0e42cd [project @ 2007-06-04 06:25:21 by jwe] jwe parents: 6671 diff changeset	2176 DEFALIAS (isbool, islogical);
3209 fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2177
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2178 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2179
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2180 %!assert (islogical(true), true)
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2181 %!assert (islogical(false), true)
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2182 %!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	2183 %!assert (islogical(1), false)
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2184 %!assert (islogical(1i), false)
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2185 %!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	2186 %!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	2187 %!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	2188 %!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	2189
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2190 */
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2191
6223 a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2192 DEFUN (isinteger, args, ,
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2193 "-- texinfo --\n\
6230 06bee64edc08 [project @ 2007-01-08 16:59:35 by jwe] jwe parents: 6223 diff changeset	2194 @deftypefn {Built-in Function} {} isinteger (@var{x})\n\
6223 a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2195 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	2196 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	2197 Octave are double precision floating point values.\n\
6223 a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2198 @seealso{isreal, isnumeric, class, isa}\n\
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2199 @end deftypefn")
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2200 {
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2201 octave_value retval;
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2202
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2203 if (args.length () == 1)
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2204 retval = args(0).is_integer_type ();
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2205 else
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2206 print_usage ();
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2207
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2208 return retval;
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2209 }
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2210
4028 ef75c970c8f5 [project @ 2002-08-09 07:19:02 by jwe] jwe parents: 4025 diff changeset	2211 DEFUN (iscomplex, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2212 "-- texinfo --\n\
4028 ef75c970c8f5 [project @ 2002-08-09 07:19:02 by jwe] jwe parents: 4025 diff changeset	2213 @deftypefn {Built-in Function} {} iscomplex (@var{x})\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2214 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	2215 @end deftypefn")
3186 edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2216 {
edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2217 octave_value retval;
edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2218
edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2219 if (args.length () == 1)
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2220 retval = args(0).is_complex_type ();
3186 edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2221 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2222 print_usage ();
3186 edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2223
edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2224 return retval;
edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2225 }
edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2226
7576 7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2227 DEFUN (isfloat, args, ,
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2228 "-- texinfo --\n\
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2229 @deftypefn {Built-in Function} {} isfloat (@var{x})\n\
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2230 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	2231 @end deftypefn")
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2232 {
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2233 octave_value retval;
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2234
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2235 if (args.length () == 1)
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2236 retval = args(0).is_float_type ();
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2237 else
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2238 print_usage ();
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2239
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2240 return retval;
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2241 }
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2242
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5747 diff changeset	2243 // FIXME -- perhaps this should be implemented with an
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2244 // octave_value member function?
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2245
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2246 DEFUN (complex, args, ,
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2247 "-- texinfo --\n\
9309 fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2248 @deftypefn {Built-in Function} {} complex (@var{x})\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2249 @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	2250 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	2251 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	2252 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	2253 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	2254 For example:\n\
fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2255 \n\
fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2256 @example\n\
9758 09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9736 diff changeset	2257 @group\n\
9309 fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2258 complex ([1, 2], [3, 4])\n\
fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2259 @result{}\n\
fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2260 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	2261 @end group\n\
9309 fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2262 @end example\n\
fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2263 @seealso{real, imag, iscomplex}\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2264 @end deftypefn")
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2265 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2266 octave_value retval;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2267
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2268 int nargin = args.length ();
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2269
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2270 if (nargin == 1)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2271 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2272 octave_value arg = args(0);
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2273
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2274 if (arg.is_complex_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2275 retval = arg;
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2276 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2277 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2278 if (arg.is_sparse_type ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2279 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2280 SparseComplexMatrix val = arg.sparse_complex_matrix_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2281
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2282 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2283 retval = octave_value (new octave_sparse_complex_matrix (val));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2284 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2285 else if (arg.is_single_type ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2286 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2287 if (arg.numel () == 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2288 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2289 FloatComplex val = arg.float_complex_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2290
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2291 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2292 retval = octave_value (new octave_float_complex (val));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2293 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2294 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2295 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2296 FloatComplexNDArray val = arg.float_complex_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2297
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2298 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2299 retval = octave_value (new octave_float_complex_matrix (val));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2300 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2301 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2302 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2303 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2304 if (arg.numel () == 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2305 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2306 Complex val = arg.complex_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2307
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2308 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2309 retval = octave_value (new octave_complex (val));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2310 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2311 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2312 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2313 ComplexNDArray val = arg.complex_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2314
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2315 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2316 retval = octave_value (new octave_complex_matrix (val));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2317 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2318 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2319
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2320 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2321 error ("complex: invalid conversion");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2322 }
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2323 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2324 else if (nargin == 2)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2325 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2326 octave_value re = args(0);
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2327 octave_value im = args(1);
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2328
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	2329 if (re.is_sparse_type () && im.is_sparse_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2330 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2331 const SparseMatrix re_val = re.sparse_matrix_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2332 const SparseMatrix im_val = im.sparse_matrix_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2333
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2334 if (!error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2335 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2336 if (re.numel () == 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2337 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2338 SparseComplexMatrix result;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2339 if (re_val.nnz () == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2340 result = Complex(0, 1) * SparseComplexMatrix (im_val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2341 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2342 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2343 result = SparseComplexMatrix (im_val.dims (), re_val (0));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2344 octave_idx_type nr = im_val.rows ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2345 octave_idx_type nc = im_val.cols ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2346
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2347 for (octave_idx_type j = 0; j < nc; j++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2348 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2349 octave_idx_type off = j * nr;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2350 for (octave_idx_type i = im_val.cidx(j);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2351 i < im_val.cidx(j + 1); i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2352 result.data (im_val.ridx(i) + off) =
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2353 result.data (im_val.ridx(i) + off) +
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2354 Complex (0, im_val.data (i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2355 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2356 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2357 retval = octave_value (new octave_sparse_complex_matrix (result));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2358 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2359 else if (im.numel () == 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2360 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2361 SparseComplexMatrix result;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2362 if (im_val.nnz () == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2363 result = SparseComplexMatrix (re_val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2364 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2365 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2366 result = SparseComplexMatrix (re_val.rows(), re_val.cols(), Complex(0, im_val (0)));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2367 octave_idx_type nr = re_val.rows ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2368 octave_idx_type nc = re_val.cols ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2369
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2370 for (octave_idx_type j = 0; j < nc; j++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2371 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2372 octave_idx_type off = j * nr;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2373 for (octave_idx_type i = re_val.cidx(j);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2374 i < re_val.cidx(j + 1); i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2375 result.data (re_val.ridx(i) + off) =
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2376 result.data (re_val.ridx(i) + off) +
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2377 re_val.data (i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2378 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2379 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2380 retval = octave_value (new octave_sparse_complex_matrix (result));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2381 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2382 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2383 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2384 if (re_val.dims () == im_val.dims ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2385 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2386 SparseComplexMatrix result = SparseComplexMatrix(re_val)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2387 + Complex(0, 1) * SparseComplexMatrix (im_val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2388 retval = octave_value (new octave_sparse_complex_matrix (result));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2389 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2390 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2391 error ("complex: dimension mismatch");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2392 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2393 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2394 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	2395 else if (re.is_single_type () \|\| im.is_single_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2396 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2397 if (re.numel () == 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2398 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2399 float re_val = re.float_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2400
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2401 if (im.numel () == 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2402 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2403 float im_val = im.double_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2404
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2405 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2406 retval = octave_value (new octave_float_complex (FloatComplex (re_val, im_val)));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2407 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2408 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2409 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2410 const FloatNDArray im_val = im.float_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2411
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2412 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2413 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2414 FloatComplexNDArray result (im_val.dims (), FloatComplex ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2415
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2416 for (octave_idx_type i = 0; i < im_val.numel (); i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2417 result.xelem (i) = FloatComplex (re_val, im_val(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2418
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2419 retval = octave_value (new octave_float_complex_matrix (result));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2420 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2421 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2422 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2423 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2424 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2425 const FloatNDArray re_val = re.float_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2426
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2427 if (im.numel () == 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2428 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2429 float im_val = im.float_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2430
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2431 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2432 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2433 FloatComplexNDArray result (re_val.dims (), FloatComplex ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2434
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2435 for (octave_idx_type i = 0; i < re_val.numel (); i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2436 result.xelem (i) = FloatComplex (re_val(i), im_val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2437
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2438 retval = octave_value (new octave_float_complex_matrix (result));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2439 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2440 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2441 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2442 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2443 const FloatNDArray im_val = im.float_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2444
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2445 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2446 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2447 if (re_val.dims () == im_val.dims ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2448 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2449 FloatComplexNDArray result (re_val.dims (), FloatComplex ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2450
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2451 for (octave_idx_type i = 0; i < re_val.numel (); i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2452 result.xelem (i) = FloatComplex (re_val(i), im_val(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2453
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2454 retval = octave_value (new octave_float_complex_matrix (result));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2455 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2456 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2457 error ("complex: dimension mismatch");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2458 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2459 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2460 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2461 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	2462 else if (re.numel () == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2463 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2464 double re_val = re.double_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2465
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2466 if (im.numel () == 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2467 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2468 double im_val = im.double_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2469
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2470 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2471 retval = octave_value (new octave_complex (Complex (re_val, im_val)));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2472 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2473 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2474 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2475 const NDArray im_val = im.array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2476
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2477 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2478 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2479 ComplexNDArray result (im_val.dims (), Complex ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2480
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2481 for (octave_idx_type i = 0; i < im_val.numel (); i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2482 result.xelem (i) = Complex (re_val, im_val(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2483
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2484 retval = octave_value (new octave_complex_matrix (result));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2485 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2486 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2487 }
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2488 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2489 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2490 const NDArray re_val = re.array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2491
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2492 if (im.numel () == 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2493 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2494 double im_val = im.double_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2495
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2496 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2497 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2498 ComplexNDArray result (re_val.dims (), Complex ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2499
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2500 for (octave_idx_type i = 0; i < re_val.numel (); i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2501 result.xelem (i) = Complex (re_val(i), im_val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2502
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2503 retval = octave_value (new octave_complex_matrix (result));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2504 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2505 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2506 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2507 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2508 const NDArray im_val = im.array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2509
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2510 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2511 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2512 if (re_val.dims () == im_val.dims ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2513 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2514 ComplexNDArray result (re_val.dims (), Complex ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2515
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2516 for (octave_idx_type i = 0; i < re_val.numel (); i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2517 result.xelem (i) = Complex (re_val(i), im_val(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2518
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2519 retval = octave_value (new octave_complex_matrix (result));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2520 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2521 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2522 error ("complex: dimension mismatch");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2523 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2524 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2525 }
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2526
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2527 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2528 error ("complex: invalid conversion");
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2529 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2530 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2531 print_usage ();
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2532
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2533 return retval;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2534 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2535
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2536 DEFUN (isreal, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2537 "-- texinfo --\n\
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2538 @deftypefn {Built-in Function} {} isreal (@var{x})\n\
10291 fc879f361bda make isreal matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10290 diff changeset	2539 Return true if @var{x} is a non-complex matrix or scalar.\n\
fc879f361bda make isreal matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10290 diff changeset	2540 For compatibility with Matlab, this includes logical and character\n\
fc879f361bda make isreal matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10290 diff changeset	2541 matrices.\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2542 @end deftypefn")
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2543 {
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2544 octave_value retval;
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2545
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2546 if (args.length () == 1)
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2547 retval = args(0).is_real_type ();
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2548 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2549 print_usage ();
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2550
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2551 return retval;
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2552 }
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2553
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2554 DEFUN (isempty, args, ,
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2555 "-- texinfo --\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2556 @deftypefn {Built-in Function} {} isempty (@var{a})\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2557 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	2558 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	2559 @end deftypefn")
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2560 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4176 diff changeset	2561 octave_value retval = false;
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2562
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2563 if (args.length () == 1)
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2564 retval = args(0).is_empty ();
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2565 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2566 print_usage ();
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2567
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2568 return retval;
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2569 }
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2570
3206 d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2571 DEFUN (isnumeric, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2572 "-- texinfo --\n\
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2573 @deftypefn {Built-in Function} {} isnumeric (@var{x})\n\
10290 1756b3035282 clarify isnumeric and ismatrix Jaroslav Hajek <highegg@gmail.com> parents: 10285 diff changeset	2574 Return nonzero if @var{x} is a numeric object, i.e. an integer, real or complex array.\n\
1756b3035282 clarify isnumeric and ismatrix Jaroslav Hajek <highegg@gmail.com> parents: 10285 diff changeset	2575 Logical and character arrays are not considered to be numeric.\n\
1756b3035282 clarify isnumeric and ismatrix Jaroslav Hajek <highegg@gmail.com> parents: 10285 diff changeset	2576 @seealso{ischar, islogical, isinteger}\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2577 @end deftypefn")
3206 d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2578 {
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2579 octave_value retval;
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2580
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2581 if (args.length () == 1)
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2582 retval = args(0).is_numeric_type ();
3206 d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2583 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2584 print_usage ();
3206 d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2585
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2586 return retval;
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2587 }
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2588
4028 ef75c970c8f5 [project @ 2002-08-09 07:19:02 by jwe] jwe parents: 4025 diff changeset	2589 DEFUN (ismatrix, args, ,
3321 6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe] jwe parents: 3307 diff changeset	2590 "-- texinfo --\n\
4028 ef75c970c8f5 [project @ 2002-08-09 07:19:02 by jwe] jwe parents: 4025 diff changeset	2591 @deftypefn {Built-in Function} {} ismatrix (@var{a})\n\
10290 1756b3035282 clarify isnumeric and ismatrix Jaroslav Hajek <highegg@gmail.com> parents: 10285 diff changeset	2592 Return 1 if @var{a} is a numeric, logical or character matrix or scalar.\n\
1756b3035282 clarify isnumeric and ismatrix Jaroslav Hajek <highegg@gmail.com> parents: 10285 diff changeset	2593 Otherwise, return 0.\n\
3333 15cddaacbc2d [project @ 1999-11-03 19:53:59 by jwe] jwe parents: 3322 diff changeset	2594 @end deftypefn")
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2595 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4176 diff changeset	2596 octave_value retval = false;
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2597
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2598 if (args.length () == 1)
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2599 {
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2600 octave_value arg = args(0);
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2601
9866 b5aa5d9ee6b9 make ismatrix consistent for empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9858 diff changeset	2602 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	2603 }
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2604 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2605 print_usage ();
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2606
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2607 return retval;
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2608 }
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2609
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2610 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2611
9866 b5aa5d9ee6b9 make ismatrix consistent for empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9858 diff changeset	2612 %!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	2613 %!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	2614 %!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	2615 %!assert(ismatrix ([1, 2; 3, 4]));
9866 b5aa5d9ee6b9 make ismatrix consistent for empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9858 diff changeset	2616 %!assert(ismatrix (zeros (3, 2, 4)));
b5aa5d9ee6b9 make ismatrix consistent for empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9858 diff changeset	2617
b5aa5d9ee6b9 make ismatrix consistent for empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9858 diff changeset	2618 %!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	2619 %!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	2620 %!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	2621 %!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	2622
10024 184060864627 allow ismatrix on character matrices Jaroslav Hajek <highegg@gmail.com> parents: 10002 diff changeset	2623 %!assert(ismatrix ("t"));
184060864627 allow ismatrix on character matrices Jaroslav Hajek <highegg@gmail.com> parents: 10002 diff changeset	2624 %!assert(ismatrix ("test"));
184060864627 allow ismatrix on character matrices Jaroslav Hajek <highegg@gmail.com> parents: 10002 diff changeset	2625 %!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	2626
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2627 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2628 %! 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	2629 %! 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	2630
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2631 %!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	2632 %!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	2633
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2634 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2635
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	2636 static octave_value
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2637 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	2638 {
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	2639 octave_value retval;
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2640
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2641 int nargin = args.length ();
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2642
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	2643 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	2644
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	2645 dim_vector dims (1, 1);
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2646
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2647 if (nargin > 0 && args(nargin-1).is_string ())
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2648 {
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	2649 std::string nm = args(nargin-1).string_value ();
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2650 nargin--;
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2651
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	2652 dt = oct_data_conv::string_to_data_type (nm);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	2653
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	2654 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2655 return retval;
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2656 }
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2657
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2658 switch (nargin)
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2659 {
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	2660 case 0:
36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	2661 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 767 diff changeset	2662
610 14b2a186a5c0 [project @ 1994-08-14 00:55:49 by jwe] jwe parents: 597 diff changeset	2663 case 1:
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2664 get_dimensions (args(0), fcn, dims);
610 14b2a186a5c0 [project @ 1994-08-14 00:55:49 by jwe] jwe parents: 597 diff changeset	2665 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 767 diff changeset	2666
4563 742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	2667 default:
742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	2668 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2669 dims.resize (nargin);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2670
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2671 for (int i = 0; i < nargin; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2672 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2673 dims(i) = args(i).is_empty () ? 0 : args(i).idx_type_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2674
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2675 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2676 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2677 error ("%s: expecting scalar integer arguments", fcn);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2678 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2679 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2680 }
4563 742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	2681 }
742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	2682 break;
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2683 }
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2684
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2685 if (! error_state)
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2686 {
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	2687 dims.chop_trailing_singletons ();
4565 1db951a4fcd5 [project @ 2003-10-29 13:49:30 by jwe] jwe parents: 4563 diff changeset	2688
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2689 check_dimensions (dims, fcn);
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	2690
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5747 diff changeset	2691 // FIXME -- perhaps this should be made extensible by
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	2692 // 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	2693 // the new value.
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	2694
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	2695 // Note that automatic narrowing will handle conversion from
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	2696 // NDArray to scalar.
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	2697
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2698 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2699 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2700 switch (dt)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2701 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2702 case oct_data_conv::dt_int8:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2703 retval = int8NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2704 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2705
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2706 case oct_data_conv::dt_uint8:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2707 retval = uint8NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2708 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2709
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2710 case oct_data_conv::dt_int16:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2711 retval = int16NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2712 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2713
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2714 case oct_data_conv::dt_uint16:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2715 retval = uint16NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2716 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2717
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2718 case oct_data_conv::dt_int32:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2719 retval = int32NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2720 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2721
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2722 case oct_data_conv::dt_uint32:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2723 retval = uint32NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2724 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2725
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2726 case oct_data_conv::dt_int64:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2727 retval = int64NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2728 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2729
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2730 case oct_data_conv::dt_uint64:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2731 retval = uint64NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2732 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2733
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2734 case oct_data_conv::dt_single:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2735 retval = FloatNDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2736 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2737
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2738 case oct_data_conv::dt_double:
8972 5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8947 diff changeset	2739 {
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8947 diff changeset	2740 if (val == 1 && dims.length () == 2 && dims (0) == 1)
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8947 diff changeset	2741 retval = Range (1.0, 0.0, dims (1)); // packed form
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8947 diff changeset	2742 else
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8947 diff changeset	2743 retval = NDArray (dims, val);
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8947 diff changeset	2744 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2745 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2746
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2747 case oct_data_conv::dt_logical:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2748 retval = boolNDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2749 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2750
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2751 default:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2752 error ("%s: invalid class name", fcn);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2753 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2754 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2755 }
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2756 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2757
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2758 return retval;
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2759 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2760
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2761 static octave_value
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2762 fill_matrix (const octave_value_list& args, double val, float fval,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2763 const char *fcn)
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2764 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2765 octave_value retval;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2766
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2767 int nargin = args.length ();
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2768
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2769 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	2770
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2771 dim_vector dims (1, 1);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2772
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2773 if (nargin > 0 && args(nargin-1).is_string ())
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2774 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2775 std::string nm = args(nargin-1).string_value ();
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2776 nargin--;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2777
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2778 dt = oct_data_conv::string_to_data_type (nm);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2779
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2780 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2781 return retval;
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2782 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2783
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2784 switch (nargin)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2785 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2786 case 0:
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2787 break;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2788
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2789 case 1:
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2790 get_dimensions (args(0), fcn, dims);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2791 break;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2792
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2793 default:
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2794 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2795 dims.resize (nargin);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2796
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2797 for (int i = 0; i < nargin; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2798 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2799 dims(i) = args(i).is_empty () ? 0 : args(i).idx_type_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2800
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2801 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2802 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2803 error ("%s: expecting scalar integer arguments", fcn);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2804 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2805 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2806 }
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2807 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2808 break;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2809 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2810
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2811 if (! error_state)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2812 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2813 dims.chop_trailing_singletons ();
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2814
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2815 check_dimensions (dims, fcn);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2816
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2817 // Note that automatic narrowing will handle conversion from
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2818 // NDArray to scalar.
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2819
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2820 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2821 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2822 switch (dt)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2823 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2824 case oct_data_conv::dt_single:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2825 retval = FloatNDArray (dims, fval);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2826 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2827
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2828 case oct_data_conv::dt_double:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2829 retval = NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2830 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2831
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2832 default:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2833 error ("%s: invalid class name", fcn);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2834 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2835 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2836 }
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2837 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2838
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2839 return retval;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2840 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2841
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2842 static octave_value
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2843 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	2844 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2845 octave_value retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2846
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2847 int nargin = args.length ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2848
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2849 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	2850
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2851 dim_vector dims (1, 1);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2852
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2853 if (nargin > 0 && args(nargin-1).is_string ())
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2854 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2855 std::string nm = args(nargin-1).string_value ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2856 nargin--;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2857
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2858 dt = oct_data_conv::string_to_data_type (nm);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2859
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2860 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2861 return retval;
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2862 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2863
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2864 switch (nargin)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2865 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2866 case 0:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2867 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2868
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2869 case 1:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2870 get_dimensions (args(0), fcn, dims);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2871 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2872
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2873 default:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2874 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2875 dims.resize (nargin);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2876
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2877 for (int i = 0; i < nargin; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2878 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2879 dims(i) = args(i).is_empty () ? 0 : args(i).idx_type_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2880
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2881 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2882 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2883 error ("%s: expecting scalar integer arguments", fcn);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2884 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2885 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2886 }
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2887 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2888 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2889 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2890
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2891 if (! error_state)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2892 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2893 dims.chop_trailing_singletons ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2894
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2895 check_dimensions (dims, fcn);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2896
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2897 // Note that automatic narrowing will handle conversion from
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2898 // NDArray to scalar.
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2899
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2900 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2901 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2902 switch (dt)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2903 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2904 case oct_data_conv::dt_single:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2905 retval = FloatNDArray (dims, static_cast <float> (val));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2906 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2907
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2908 case oct_data_conv::dt_double:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2909 retval = NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2910 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2911
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2912 default:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2913 error ("%s: invalid class name", fcn);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2914 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2915 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2916 }
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2917 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2918
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2919 return retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2920 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2921
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2922 static octave_value
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2923 fill_matrix (const octave_value_list& args, const Complex& val,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2924 const char *fcn)
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2925 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2926 octave_value retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2927
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2928 int nargin = args.length ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2929
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2930 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	2931
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2932 dim_vector dims (1, 1);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2933
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2934 if (nargin > 0 && args(nargin-1).is_string ())
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2935 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2936 std::string nm = args(nargin-1).string_value ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2937 nargin--;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2938
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2939 dt = oct_data_conv::string_to_data_type (nm);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2940
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2941 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2942 return retval;
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2943 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2944
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2945 switch (nargin)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2946 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2947 case 0:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2948 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2949
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2950 case 1:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2951 get_dimensions (args(0), fcn, dims);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2952 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2953
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2954 default:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2955 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2956 dims.resize (nargin);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2957
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2958 for (int i = 0; i < nargin; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2959 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2960 dims(i) = args(i).is_empty () ? 0 : args(i).idx_type_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2961
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2962 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2963 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2964 error ("%s: expecting scalar integer arguments", fcn);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2965 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2966 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2967 }
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2968 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2969 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2970 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2971
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2972 if (! error_state)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2973 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2974 dims.chop_trailing_singletons ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2975
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2976 check_dimensions (dims, fcn);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2977
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2978 // Note that automatic narrowing will handle conversion from
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2979 // NDArray to scalar.
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2980
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2981 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2982 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2983 switch (dt)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2984 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2985 case oct_data_conv::dt_single:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2986 retval = FloatComplexNDArray (dims, static_cast<FloatComplex> (val));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2987 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2988
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2989 case oct_data_conv::dt_double:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2990 retval = ComplexNDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2991 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2992
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2993 default:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2994 error ("%s: invalid class name", fcn);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2995 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2996 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2997 }
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2998 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2999
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3000 return retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3001 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3002
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3003 static octave_value
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3004 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	3005 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3006 octave_value retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3007
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3008 int nargin = args.length ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3009
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3010 dim_vector dims (1, 1);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3011
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3012 switch (nargin)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3013 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3014 case 0:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3015 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3016
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3017 case 1:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3018 get_dimensions (args(0), fcn, dims);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3019 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3020
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3021 default:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3022 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3023 dims.resize (nargin);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3024
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3025 for (int i = 0; i < nargin; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3026 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3027 dims(i) = args(i).is_empty () ? 0 : args(i).idx_type_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3028
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3029 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3030 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3031 error ("%s: expecting scalar integer arguments", fcn);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3032 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3033 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3034 }
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3035 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3036 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3037 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3038
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3039 if (! error_state)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3040 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3041 dims.chop_trailing_singletons ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3042
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3043 check_dimensions (dims, fcn);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3044
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3045 // Note that automatic narrowing will handle conversion from
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3046 // NDArray to scalar.
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3047
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3048 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3049 retval = boolNDArray (dims, val);
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3050 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3051
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3052 return retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3053 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3054
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	3055 DEFUN (ones, args, ,
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3056 "-- texinfo --\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3057 @deftypefn {Built-in Function} {} ones (@var{x})\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3058 @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	3059 @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	3060 @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	3061 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	3062 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	3063 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	3064 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	3065 given dimensions.\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3066 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3067 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	3068 use an expression like\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3069 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3070 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3071 val_matrix = val * ones (n, m)\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3072 @end example\n\
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3073 \n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3074 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	3075 the specified type, for example\n\
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3076 \n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3077 @example\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3078 val = ones (n,m, \"uint8\")\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3079 @end example\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3080 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3081 {
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3082 return fill_matrix (args, 1, "ones");
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3083 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3084
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3085 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3086
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3087 %!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	3088 %!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	3089 %!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	3090 %!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	3091
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3092 %!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	3093 %!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	3094 %!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	3095 %!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	3096
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3097 %!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	3098 %!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	3099 %!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	3100 %!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	3101
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3102 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3103
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	3104 DEFUN (zeros, args, ,
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3105 "-- texinfo --\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3106 @deftypefn {Built-in Function} {} zeros (@var{x})\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3107 @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	3108 @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	3109 @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	3110 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	3111 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	3112 \n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3113 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	3114 the specified type, for example\n\
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3115 \n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3116 @example\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3117 val = zeros (n,m, \"uint8\")\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3118 @end example\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3119 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3120 {
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3121 return fill_matrix (args, 0, "zeros");
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3122 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3123
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3124 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3125
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3126 %!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	3127 %!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	3128 %!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	3129 %!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	3130
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3131 %!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	3132 %!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	3133 %!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	3134 %!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	3135
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3136 %!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	3137 %!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	3138 %!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	3139 %!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	3140
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3141 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3142
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3143 DEFUN (Inf, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3144 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3145 @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	3146 @deftypefnx {Built-in Function} {} Inf (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3147 @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	3148 @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	3149 @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	3150 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	3151 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	3152 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3153 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	3154 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	3155 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	3156 @example\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3157 @group\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3158 [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	3159 @result{}\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3160 Inf Inf\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3161 @end group\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3162 @end example\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3163 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3164 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	3165 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	3166 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	3167 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	3168 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	3169 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	3170 either \"double\" or \"single\".\n\
9308 f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	3171 @seealso{isinf}\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3172 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3173 {
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3174 return fill_matrix (args, lo_ieee_inf_value (),
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3175 lo_ieee_float_inf_value (), "Inf");
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3176 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3177
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3178 DEFALIAS (inf, Inf);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3179
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3180 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3181
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3182 %!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	3183 %!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	3184 %!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	3185 %!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	3186
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3187 %!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	3188 %!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	3189 %!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	3190 %!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	3191
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3192 %!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	3193 %!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	3194 %!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	3195 %!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	3196
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3197 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3198
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3199 DEFUN (NaN, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3200 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3201 @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	3202 @deftypefnx {Built-in Function} {} NaN (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3203 @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	3204 @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	3205 @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	3206 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	3207 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	3208 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	3209 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	3210 @tex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3211 ($\\infty - \\infty$), zero divided by zero ($0/0$),\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3212 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	3213 @ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3214 (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	3215 @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	3216 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	3217 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3218 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	3219 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	3220 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	3221 \n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3222 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	3223 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	3224 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	3225 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	3226 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	3227 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	3228 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	3229 @seealso{isnan}\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3230 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3231 {
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3232 return fill_matrix (args, lo_ieee_nan_value (),
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3233 lo_ieee_float_nan_value (), "NaN");
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3234 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3235
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3236 DEFALIAS (nan, NaN);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3237
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3238 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3239 %!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	3240 %!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	3241 %!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	3242 %!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	3243
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3244 %!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	3245 %!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	3246 %!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	3247 %!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	3248
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3249 %!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	3250 %!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	3251 %!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	3252 %!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	3253
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3254 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3255
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3256 DEFUN (e, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3257 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3258 @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	3259 @deftypefnx {Built-in Function} {} e (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3260 @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	3261 @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	3262 @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	3263 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	3264 to the base of natural logarithms. The constant\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3265 @tex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3266 $e$ satisfies the equation $\\log (e) = 1$.\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3267 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	3268 @ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3269 @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	3270 @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	3271 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3272 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	3273 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	3274 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	3275 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	3276 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	3277 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	3278 either \"double\" or \"single\".\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3279 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3280 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3281 #if defined (M_E)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3282 double e_val = M_E;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3283 #else
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3284 double e_val = exp (1.0);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3285 #endif
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3286
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3287 return fill_matrix (args, e_val, "e");
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3288 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3289
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3290 DEFUN (eps, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3291 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3292 @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	3293 @deftypefnx {Built-in Function} {} eps (@var{x})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3294 @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	3295 @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	3296 @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	3297 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	3298 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	3299 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	3300 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	3301 floating point arithmetic, @code{eps} is approximately\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3302 @tex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3303 $2.2204\\times10^{-16}$ 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	3304 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	3305 @ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3306 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	3307 @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	3308 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	3309 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3310 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	3311 @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	3312 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	3313 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	3314 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	3315 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	3316 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	3317 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	3318 either \"double\" or \"single\".\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3319 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3320 {
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3321 int nargin = args.length ();
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3322 octave_value retval;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3323
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3324 if (nargin == 1 && ! args(0).is_string ())
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3325 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3326 if (args(0).is_single_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3327 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3328 float val = args(0).float_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3329
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3330 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3331 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3332 val = ::fabsf(val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3333 if (xisnan (val) \|\| xisinf (val))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3334 retval = fill_matrix (octave_value ("single"),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3335 lo_ieee_nan_value (),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3336 lo_ieee_float_nan_value (), "eps");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3337 else if (val < FLT_MIN)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3338 retval = fill_matrix (octave_value ("single"), 0e0,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3339 powf (2.0, -149e0), "eps");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3340 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3341 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3342 int expon;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3343 frexpf (val, &expon);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3344 val = std::pow (static_cast <float> (2.0),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3345 static_cast <float> (expon - 24));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3346 retval = fill_matrix (octave_value ("single"), DBL_EPSILON,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3347 val, "eps");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3348 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3349 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3350 }
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3351 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3352 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3353 double val = args(0).double_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3354
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3355 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3356 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3357 val = ::fabs(val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3358 if (xisnan (val) \|\| xisinf (val))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3359 retval = fill_matrix (octave_value_list (),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3360 lo_ieee_nan_value (),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3361 lo_ieee_float_nan_value (), "eps");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3362 else if (val < DBL_MIN)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3363 retval = fill_matrix (octave_value_list (),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3364 pow (2.0, -1074e0), 0e0, "eps");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3365 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3366 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3367 int expon;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3368 frexp (val, &expon);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3369 val = std::pow (static_cast <double> (2.0),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3370 static_cast <double> (expon - 53));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3371 retval = fill_matrix (octave_value_list (), val,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3372 FLT_EPSILON, "eps");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3373 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3374 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3375 }
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3376 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3377 else
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3378 retval = fill_matrix (args, DBL_EPSILON, FLT_EPSILON, "eps");
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3379
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3380 return retval;
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3381 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3382
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3383 /*
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3384
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3385 %!assert(eps(1/2),2^(-53))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3386 %!assert(eps(1),2^(-52))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3387 %!assert(eps(2),2^(-51))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3388 %!assert(eps(realmax),2^971)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3389 %!assert(eps(0),2^(-1074))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3390 %!assert(eps(realmin/2),2^(-1074))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3391 %!assert(eps(realmin/16),2^(-1074))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3392 %!assert(eps(Inf),NaN)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3393 %!assert(eps(NaN),NaN)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3394 %!assert(eps(single(1/2)),single(2^(-24)))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3395 %!assert(eps(single(1)),single(2^(-23)))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3396 %!assert(eps(single(2)),single(2^(-22)))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3397 %!assert(eps(realmax('single')),single(2^104))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3398 %!assert(eps(single(0)),single(2^(-149)))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3399 %!assert(eps(realmin('single')/2),single(2^(-149)))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3400 %!assert(eps(realmin('single')/16),single(2^(-149)))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3401 %!assert(eps(single(Inf)),single(NaN))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3402 %!assert(eps(single(NaN)),single(NaN))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3403
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3404 */
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3405
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3406
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3407 DEFUN (pi, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3408 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3409 @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	3410 @deftypefnx {Built-in Function} {} pi (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3411 @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	3412 @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	3413 @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	3414 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	3415 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	3416 @tex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3417 diameter($\\pi$).\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3418 @end tex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3419 @ifnottex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3420 diameter.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3421 @end ifnottex\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3422 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	3423 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3424 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	3425 @tex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3426 $\\pi$.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3427 @end tex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3428 @ifnottex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3429 pi.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3430 @end ifnottex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3431 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	3432 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	3433 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	3434 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	3435 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	3436 either \"double\" or \"single\".\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3437 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3438 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3439 #if defined (M_PI)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3440 double pi_val = M_PI;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3441 #else
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3442 double pi_val = 4.0 * atan (1.0);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3443 #endif
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3444
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3445 return fill_matrix (args, pi_val, "pi");
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3446 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3447
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3448 DEFUN (realmax, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3449 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3450 @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	3451 @deftypefnx {Built-in Function} {} realmax (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3452 @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	3453 @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	3454 @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	3455 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	3456 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	3457 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	3458 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	3459 @tex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3460 $1.7977\\times10^{308}$ 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	3461 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	3462 @ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3463 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	3464 @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	3465 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	3466 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3467 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	3468 @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	3469 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	3470 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	3471 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	3472 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	3473 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	3474 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	3475 @seealso{realmin, intmax, bitmax}\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3476 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3477 {
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3478 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	3479 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3480
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3481 DEFUN (realmin, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3482 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3483 @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	3484 @deftypefnx {Built-in Function} {} realmin (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3485 @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	3486 @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	3487 @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	3488 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	3489 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	3490 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	3491 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	3492 @tex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3493 $2.2251\\times10^{-308}$ 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	3494 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	3495 @ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3496 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	3497 @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	3498 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	3499 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3500 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	3501 @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	3502 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	3503 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	3504 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	3505 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	3506 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	3507 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	3508 @seealso{realmax, intmin}\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3509 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3510 {
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3511 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	3512 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3513
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3514 DEFUN (I, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3515 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3516 @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	3517 @deftypefnx {Built-in Function} {} I (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3518 @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	3519 @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	3520 @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	3521 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	3522 to the pure imaginary unit, defined as\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3523 @tex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3524 $\\sqrt{-1}$.\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3525 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	3526 @ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3527 @code{sqrt (-1)}.\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	3528 @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	3529 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	3530 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	3531 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3532 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	3533 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	3534 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	3535 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	3536 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	3537 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	3538 either \"double\" or \"single\".\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3539 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3540 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3541 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	3542 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3543
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3544 DEFALIAS (i, I);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3545 DEFALIAS (J, I);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3546 DEFALIAS (j, I);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3547
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3548 DEFUN (NA, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3549 "-- texinfo --\n\
9308 f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	3550 @deftypefn {Built-in Function} {} NA\n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	3551 @deftypefnx {Built-in Function} {} NA (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3552 @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	3553 @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	3554 @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	3555 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	3556 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	3557 \n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	3558 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	3559 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	3560 \n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	3561 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	3562 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	3563 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	3564 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	3565 arguments specify additional matrix dimensions.\n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	3566 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	3567 either \"double\" or \"single\".\n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	3568 @seealso{isna}\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3569 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3570 {
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3571 return fill_matrix (args, lo_ieee_na_value (),
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3572 lo_ieee_float_na_value (), "NA");
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3573 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3574
7991 139f47cf17ab Change NA value to support single to double precision conversion David Bateman <dbateman@free.fr> parents: 7919 diff changeset	3575 /*
139f47cf17ab Change NA value to support single to double precision conversion David Bateman <dbateman@free.fr> parents: 7919 diff changeset	3576
139f47cf17ab Change NA value to support single to double precision conversion David Bateman <dbateman@free.fr> parents: 7919 diff changeset	3577 %!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	3578 %!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	3579
139f47cf17ab Change NA value to support single to double precision conversion David Bateman <dbateman@free.fr> parents: 7919 diff changeset	3580 */
139f47cf17ab Change NA value to support single to double precision conversion David Bateman <dbateman@free.fr> parents: 7919 diff changeset	3581
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3582 DEFUN (false, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3583 "-- texinfo --\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3584 @deftypefn {Built-in Function} {} false (@var{x})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3585 @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	3586 @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	3587 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	3588 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	3589 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3590 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3591 return fill_matrix (args, false, "false");
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3592 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3593
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3594 DEFUN (true, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3595 "-- texinfo --\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3596 @deftypefn {Built-in Function} {} true (@var{x})\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3597 @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	3598 @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	3599 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	3600 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	3601 @end deftypefn")
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 return fill_matrix (args, true, "true");
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	3604 }
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3605
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3606 template <class MT>
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3607 octave_value
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3608 identity_matrix (int nr, int nc)
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3609 {
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3610 octave_value retval;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3611
9685 e793865ede63 implement builtin_type Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	3612 typename MT::element_type one (1);
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3613
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3614 if (nr == 1 && nc == 1)
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3615 retval = one;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3616 else
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3617 {
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3618 dim_vector dims (nr, nc);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3619
9685 e793865ede63 implement builtin_type Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	3620 typename MT::element_type zero (0);
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3621
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3622 MT m (dims, zero);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3623
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3624 if (nr > 0 && nc > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3625 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3626 int n = std::min (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3627
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3628 for (int i = 0; i < n; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3629 m(i,i) = one;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3630 }
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3631
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3632 retval = m;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3633 }
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3634
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3635 return retval;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3636 }
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3637
5058 11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3638 #define INSTANTIATE_EYE(T) \
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3639 template octave_value identity_matrix<T> (int, int)
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3640
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3641 INSTANTIATE_EYE (int8NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3642 INSTANTIATE_EYE (uint8NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3643 INSTANTIATE_EYE (int16NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3644 INSTANTIATE_EYE (uint16NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3645 INSTANTIATE_EYE (int32NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3646 INSTANTIATE_EYE (uint32NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3647 INSTANTIATE_EYE (int64NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3648 INSTANTIATE_EYE (uint64NDArray);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3649 INSTANTIATE_EYE (FloatNDArray);
5058 11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3650 INSTANTIATE_EYE (NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3651 INSTANTIATE_EYE (boolNDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3652
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3653 static octave_value
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	3654 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	3655 {
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3656 octave_value retval;
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3657
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5747 diff changeset	3658 // 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	3659 // 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	3660 // value.
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3661
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3662 if (! error_state)
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3663 {
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3664 switch (dt)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3665 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3666 case oct_data_conv::dt_int8:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3667 retval = identity_matrix<int8NDArray> (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3668 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3669
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3670 case oct_data_conv::dt_uint8:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3671 retval = identity_matrix<uint8NDArray> (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3672 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3673
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3674 case oct_data_conv::dt_int16:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3675 retval = identity_matrix<int16NDArray> (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3676 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3677
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3678 case oct_data_conv::dt_uint16:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3679 retval = identity_matrix<uint16NDArray> (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3680 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3681
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3682 case oct_data_conv::dt_int32:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3683 retval = identity_matrix<int32NDArray> (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3684 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3685
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3686 case oct_data_conv::dt_uint32:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3687 retval = identity_matrix<uint32NDArray> (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3688 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3689
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3690 case oct_data_conv::dt_int64:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3691 retval = identity_matrix<int64NDArray> (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3692 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3693
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3694 case oct_data_conv::dt_uint64:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3695 retval = identity_matrix<uint64NDArray> (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3696 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3697
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3698 case oct_data_conv::dt_single:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3699 retval = FloatDiagMatrix (nr, nc, 1.0f);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3700 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3701
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3702 case oct_data_conv::dt_double:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3703 retval = DiagMatrix (nr, nc, 1.0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3704 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3705
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3706 case oct_data_conv::dt_logical:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3707 retval = identity_matrix<boolNDArray> (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3708 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3709
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3710 default:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3711 error ("eye: invalid class name");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3712 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3713 }
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3714 }
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3715
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3716 return retval;
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3717 }
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3718
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3719 #undef INT_EYE_MATRIX
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3720
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	3721 DEFUN (eye, args, ,
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3722 "-- texinfo --\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3723 @deftypefn {Built-in Function} {} eye (@var{x})\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3724 @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	3725 @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	3726 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	3727 @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	3728 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	3729 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	3730 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	3731 respectively. For example,\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3732 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3733 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3734 @group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3735 eye (3)\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3736 @result{} 1 0 0\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3737 0 1 0\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3738 0 0 1\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3739 @end group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3740 @end example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3741 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3742 The following expressions all produce the same result:\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3743 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3744 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3745 @group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3746 eye (2)\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3747 @equiv{}\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3748 eye (2, 2)\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3749 @equiv{}\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3750 eye (size ([1, 2; 3, 4])\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3751 @end group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3752 @end example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3753 \n\
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3754 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	3755 the specified type, like\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3756 \n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3757 @example\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3758 val = zeros (n,m, \"uint8\")\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3759 @end example\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3760 \n\
6556 8810bbf321ce [project @ 2007-04-20 18:39:40 by jwe] jwe parents: 6518 diff changeset	3761 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	3762 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	3763 with @sc{matlab}.\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3764 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3765 {
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	3766 octave_value retval;
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3767
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	3768 int nargin = args.length ();
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3769
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	3770 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	3771
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3772 // Check for type information.
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3773
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3774 if (nargin > 0 && args(nargin-1).is_string ())
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3775 {
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	3776 std::string nm = args(nargin-1).string_value ();
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3777 nargin--;
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	3778
7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	3779 dt = oct_data_conv::string_to_data_type (nm);
7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	3780
7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	3781 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3782 return retval;
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3783 }
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3784
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3785 switch (nargin)
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3786 {
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	3787 case 0:
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	3788 retval = identity_matrix (1, 1, dt);
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	3789 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 767 diff changeset	3790
610 14b2a186a5c0 [project @ 1994-08-14 00:55:49 by jwe] jwe parents: 597 diff changeset	3791 case 1:
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	3792 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3793 octave_idx_type nr, nc;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3794 get_dimensions (args(0), "eye", nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3795
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3796 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3797 retval = identity_matrix (nr, nc, dt);
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	3798 }
610 14b2a186a5c0 [project @ 1994-08-14 00:55:49 by jwe] jwe parents: 597 diff changeset	3799 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 767 diff changeset	3800
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3801 case 2:
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	3802 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3803 octave_idx_type nr, nc;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3804 get_dimensions (args(0), args(1), "eye", nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3805
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3806 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3807 retval = identity_matrix (nr, nc, dt);
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	3808 }
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3809 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 767 diff changeset	3810
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3811 default:
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	3812 print_usage ();
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3813 break;
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3814 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3815
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3816 return retval;
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3817 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3818
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3819
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3820 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3821
8459 d17874a6f161 improve indexing of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8458 diff changeset	3822 %!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	3823 %!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	3824
d17874a6f161 improve indexing of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8458 diff changeset	3825 %!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	3826 %!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	3827
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3828 %!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	3829 %!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	3830
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3831 %!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	3832
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3833 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3834
9658 3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3835 template <class MT>
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3836 static octave_value
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3837 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	3838 octave_idx_type n)
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3839 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3840 typedef typename MT::column_vector_type CVT;
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3841 typedef typename MT::element_type T;
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3842
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3843 octave_value retval;
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3844
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3845 if (base.is_scalar_type ())
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3846 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3847 T bs = octave_value_extract<T> (base);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3848 if (limit.is_scalar_type ())
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3849 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3850 T ls = octave_value_extract<T> (limit);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3851 retval = linspace (bs, ls, n);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3852 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3853 else
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3854 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3855 CVT lv = octave_value_extract<CVT> (limit);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3856 CVT bv (lv.length (), bs);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3857 retval = linspace (bv, lv, n);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3858 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3859 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3860 else
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3861 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3862 CVT bv = octave_value_extract<CVT> (base);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3863 if (limit.is_scalar_type ())
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3864 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3865 T ls = octave_value_extract<T> (limit);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3866 CVT lv (bv.length (), ls);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3867 retval = linspace (bv, lv, n);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3868 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3869 else
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3870 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3871 CVT lv = octave_value_extract<CVT> (limit);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3872 retval = linspace (bv, lv, n);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3873 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3874 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3875
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3876 return retval;
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3877 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3878
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	3879 DEFUN (linspace, args, ,
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3880 "-- texinfo --\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3881 @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	3882 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	3883 @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	3884 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	3885 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	3886 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	3887 value of 100 is used.\n\
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	3888 \n\
9658 3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3889 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	3890 @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	3891 vectors, @code{linspace} returns a matrix.\n\
6630 0fcc8d65b571 [project @ 2007-05-16 15:32:09 by jwe] jwe parents: 6561 diff changeset	3892 \n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	3893 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	3894 fewer than two values are requested.\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3895 @end deftypefn")
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	3896 {
3418 ca92c9d3f882 [project @ 2000-01-12 03:07:47 by jwe] jwe parents: 3373 diff changeset	3897 octave_value retval;
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	3898
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	3899 int nargin = args.length ();
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	3900
6133 e0065af38cf4 [project @ 2006-11-02 03:33:50 by jwe] jwe parents: 5991 diff changeset	3901 octave_idx_type npoints = 100;
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	3902
1940 1b193e313c56 [project @ 1996-02-13 16:28:47 by jwe] jwe parents: 1884 diff changeset	3903 if (nargin != 2 && nargin != 3)
1b193e313c56 [project @ 1996-02-13 16:28:47 by jwe] jwe parents: 1884 diff changeset	3904 {
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	3905 print_usage ();
1940 1b193e313c56 [project @ 1996-02-13 16:28:47 by jwe] jwe parents: 1884 diff changeset	3906 return retval;
1b193e313c56 [project @ 1996-02-13 16:28:47 by jwe] jwe parents: 1884 diff changeset	3907 }
1b193e313c56 [project @ 1996-02-13 16:28:47 by jwe] jwe parents: 1884 diff changeset	3908
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	3909 if (nargin == 3)
6133 e0065af38cf4 [project @ 2006-11-02 03:33:50 by jwe] jwe parents: 5991 diff changeset	3910 npoints = args(2).idx_type_value ();
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	3911
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	3912 if (! error_state)
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	3913 {
3322 8c6b4de3bdc8 [project @ 1999-10-26 21:33:27 by jwe] jwe parents: 3321 diff changeset	3914 octave_value arg_1 = args(0);
8c6b4de3bdc8 [project @ 1999-10-26 21:33:27 by jwe] jwe parents: 3321 diff changeset	3915 octave_value arg_2 = args(1);
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	3916
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3917 if (arg_1.is_single_type () \|\| arg_2.is_single_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3918 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3919 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	3920 retval = do_linspace<FloatComplexMatrix> (arg_1, arg_2, npoints);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3921 else
9658 3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3922 retval = do_linspace<FloatMatrix> (arg_1, arg_2, npoints);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3923
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3924 }
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	3925 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3926 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3927 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	3928 retval = do_linspace<ComplexMatrix> (arg_1, arg_2, npoints);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3929 else
9658 3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	3930 retval = do_linspace<Matrix> (arg_1, arg_2, npoints);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3931 }
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	3932 }
4732 b484cdca27be [project @ 2004-02-04 04:32:48 by jwe] jwe parents: 4685 diff changeset	3933 else
b484cdca27be [project @ 2004-02-04 04:32:48 by jwe] jwe parents: 4685 diff changeset	3934 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	3935
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	3936 return retval;
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	3937 }
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	3938
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3939
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3940 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3941
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3942 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3943 %! 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	3944 %! 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	3945 %! 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	3946 %! 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	3947 %! && 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	3948 %! && 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	3949
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3950
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3951 % 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	3952
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3953 %!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	3954 %!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	3955
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3956 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3957 %! 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	3958
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3959 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3960
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5747 diff changeset	3961 // 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	3962 // 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	3963
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	3964 DEFUN (resize, args, ,
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	3965 "-- texinfo --\n\
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	3966 @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	3967 @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	3968 @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	3969 Resize @var{x} cutting off elements as necessary.\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	3970 \n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	3971 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	3972 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	3973 otherwise, the element is set to zero.\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	3974 \n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	3975 In other words, the statement\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	3976 \n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	3977 @example\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	3978 y = resize (x, dv);\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	3979 @end example\n\
6174 d3c599afc455 [project @ 2006-11-16 17:52:02 by jwe] jwe parents: 6156 diff changeset	3980 \n\
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	3981 @noindent\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	3982 is equivalent to the following code:\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	3983 \n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	3984 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	3985 @group\n\
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	3986 y = zeros (dv, class (x));\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	3987 sz = min (dv, size (x));\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	3988 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	3989 y(idx@{:@}) = x(idx@{:@});\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	3990 @end group\n\
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	3991 @end example\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	3992 \n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	3993 @noindent\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	3994 but is performed more efficiently.\n\
6174 d3c599afc455 [project @ 2006-11-16 17:52:02 by jwe] jwe parents: 6156 diff changeset	3995 \n\
d3c599afc455 [project @ 2006-11-16 17:52:02 by jwe] jwe parents: 6156 diff changeset	3996 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	3997 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	3998 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	3999 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	4000 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	4001 \n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4002 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	4003 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	4004 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	4005 @seealso{reshape, postpad}\n\
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4006 @end deftypefn")
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4007 {
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4008 octave_value retval;
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4009 int nargin = args.length ();
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4010
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4011 if (nargin == 2)
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4012 {
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4013 Array<double> vec = args(1).vector_value ();
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4014 int ndim = vec.length ();
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4015 if (ndim == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4016 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4017 octave_idx_type m = static_cast<octave_idx_type> (vec(0));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4018 retval = args(0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4019 retval = retval.resize (dim_vector (m, m), true);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4020 }
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4021 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4022 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4023 dim_vector dv;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4024 dv.resize (ndim);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4025 for (int i = 0; i < ndim; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4026 dv(i) = static_cast<octave_idx_type> (vec(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4027 retval = args(0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4028 retval = retval.resize (dv, true);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4029 }
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4030 }
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4031 else if (nargin > 2)
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4032 {
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4033 dim_vector dv;
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4034 dv.resize (nargin - 1);
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4035 for (octave_idx_type i = 1; i < nargin; i++)
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4036 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	4037 if (!error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4038 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4039 retval = args(0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4040 retval = retval.resize (dv, true);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4041 }
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4042
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4043 }
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4044 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	4045 print_usage ();
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4046 return retval;
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4047 }
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4048
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5747 diff changeset	4049 // FIXME -- should use octave_idx_type for dimensions.
5734 a7d2c47371d2 [project @ 2006-04-04 18:29:13 by jwe] jwe parents: 5731 diff changeset	4050
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4051 DEFUN (reshape, args, ,
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4052 "-- texinfo --\n\
6671 9042b00fc45e [project @ 2007-05-30 06:33:29 by jwe] jwe parents: 6630 diff changeset	4053 @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	4054 @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	4055 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	4056 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	4057 column-major order (like Fortran arrays are stored).\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4058 \n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4059 For example,\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4060 \n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4061 @example\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4062 @group\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4063 reshape ([1, 2, 3, 4], 2, 2)\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4064 @result{} 1 3\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4065 2 4\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4066 @end group\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4067 @end example\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4068 \n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4069 @noindent\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4070 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	4071 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	4072 \n\
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4073 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	4074 by an empty argument.\n\
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4075 @end deftypefn")
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4076 {
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4077 octave_value retval;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4078
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4079 int nargin = args.length ();
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4080
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4081 Array<int> new_size;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4082
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4083 if (nargin == 2)
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4084 new_size = args(1).int_vector_value ();
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4085 else if (nargin > 2)
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4086 {
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	4087 new_size.resize (1, nargin-1);
5013 1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4088 int empty_dim = -1;
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4089
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4090 for (int i = 1; i < nargin; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4091 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4092 if (args(i).is_empty ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4093 if (empty_dim > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4094 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4095 error ("reshape: only a single dimension can be unknown");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4096 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4097 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4098 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4099 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4100 empty_dim = i;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4101 new_size(i-1) = 1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4102 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4103 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4104 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4105 new_size(i-1) = args(i).idx_type_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4106
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4107 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4108 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4109 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4110 }
5013 1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4111
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4112 if (! error_state && (empty_dim > 0))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4113 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4114 int nel = 1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4115 for (int i = 0; i < nargin - 1; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4116 nel *= new_size(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4117
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4118 if (nel == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4119 new_size(empty_dim-1) = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4120 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4121 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4122 int size_empty_dim = args(0).numel () / nel;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4123
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4124 if (args(0).numel () != size_empty_dim * nel)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4125 error ("reshape: size is not divisble by the product of known dimensions (= %d)", nel);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4126 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4127 new_size(empty_dim-1) = size_empty_dim;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4128 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4129 }
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4130 }
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4131 else
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4132 {
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	4133 print_usage ();
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4134 return retval;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4135 }
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4136
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4137 if (error_state)
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4138 {
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4139 error ("reshape: invalid arguments");
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4140 return retval;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4141 }
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4142
10352 a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	4143 dim_vector new_dims = dim_vector::alloc (new_size.length ());
a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	4144
a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	4145 for (octave_idx_type i = 0; i < new_size.length (); i++)
4739 7bd3748e2735 [project @ 2004-02-05 18:53:18 by jwe] jwe parents: 4732 diff changeset	4146 {
10352 a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	4147 if (new_size(i) < 0)
a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	4148 {
a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	4149 error ("reshape: size must be nonnegative");
a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	4150 break;
a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	4151 }
4739 7bd3748e2735 [project @ 2004-02-05 18:53:18 by jwe] jwe parents: 4732 diff changeset	4152 else
10352 a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	4153 new_dims(i) = new_size(i);
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4154 }
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4155
10352 a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	4156 if (! error_state)
a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	4157 retval = args(0).reshape (new_dims);
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4158
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4159 return retval;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4160 }
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4161
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4162 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4163
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4164 %!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	4165 %!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	4166 %!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	4167 %!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	4168
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4169 %!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	4170 %!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	4171 %!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	4172 %!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	4173
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4174 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4175 %! 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	4176 %! 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	4177
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4178 %!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	4179 %!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	4180
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4181 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4182
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4183 DEFUN (squeeze, args, ,
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4184 "-- texinfo --\n\
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4185 @deftypefn {Built-in Function} {} squeeze (@var{x})\n\
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4186 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	4187 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	4188 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	4189 @end deftypefn")
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4190 {
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4191 octave_value retval;
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4192
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4193 if (args.length () == 1)
4545 c16f153836a0 [project @ 2003-10-24 04:45:45 by jwe] jwe parents: 4532 diff changeset	4194 retval = args(0).squeeze ();
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4195 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	4196 print_usage ();
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4197
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4198 return retval;
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4199 }
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4200
8458 d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4201 DEFUN (full, args, ,
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4202 "-- texinfo --\n\
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4203 @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	4204 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	4205 @seealso{sparse}\n\
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4206 @end deftypefn")
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4207 {
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4208 octave_value retval;
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4209
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4210 if (args.length () == 1)
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4211 retval = args(0).full_value ();
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4212 else
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4213 print_usage ();
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4214
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4215 return retval;
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4216 }
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4217
6945 6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6887 diff changeset	4218 // Compute various norms of the vector X.
6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6887 diff changeset	4219
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4220 DEFUN (norm, args, ,
6508 184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4221 "-- texinfo --\n\
9517 a85dbf7b6ff9 fix some functions help markup Jaroslav Hajek <highegg@gmail.com> parents: 9513 diff changeset	4222 @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	4223 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	4224 missing, @code{p = 2} is assumed.\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4225 \n\
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4226 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	4227 \n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4228 @table @asis\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4229 @item @var{p} = @code{1}\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4230 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	4231 \n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4232 @item @var{p} = @code{2}\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4233 Largest singular value of @var{a}.\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4234 \n\
7189 e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7145 diff changeset	4235 @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	4236 @cindex infinity norm\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4237 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	4238 \n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4239 @item @var{p} = @code{\"fro\"}\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4240 @cindex Frobenius norm\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4241 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	4242 \n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4243 @item other @var{p}, @code{@var{p} > 1}\n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4244 @cindex general p-norm \n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4245 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	4246 @end table\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4247 \n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4248 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	4249 \n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4250 @table @asis\n\
7189 e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7145 diff changeset	4251 @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	4252 @code{max (abs (@var{a}))}.\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4253 \n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4254 @item @var{p} = @code{-Inf}\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4255 @code{min (abs (@var{a}))}.\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4256 \n\
7189 e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7145 diff changeset	4257 @item @var{p} = @code{\"fro\"}\n\
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7145 diff changeset	4258 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	4259 \n\
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4260 @item @var{p} = 0\n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4261 Hamming norm - the number of nonzero elements.\n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4262 \n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4263 @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	4264 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	4265 \n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4266 @item other @var{p} @code{@var{p} < 1}\n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4267 the p-pseudonorm defined as above.\n\
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4268 @end table\n\
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4269 \n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4270 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	4271 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	4272 column norms are computed.\n\
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4273 @seealso{cond, svd}\n\
6508 184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4274 @end deftypefn")
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4275 {
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4276 octave_value_list retval;
6508 184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4277
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4278 int nargin = args.length ();
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4279
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4280 if (nargin >= 1 && nargin <= 3)
6508 184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4281 {
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4282 octave_value x_arg = args(0);
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4283
10185 455759a5fcbe fix norm and svd on empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 10182 diff changeset	4284 if (x_arg.ndims () == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4285 {
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4286 enum { sfmatrix, sfcols, sfrows, sffrob, sfinf } strflag = sfmatrix;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4287 if (nargin > 1 && args(nargin-1).is_string ())
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4288 {
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4289 std::string str = args(nargin-1).string_value ();
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4290 if (str == "cols" \|\| str == "columns")
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4291 strflag = sfcols;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4292 else if (str == "rows")
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4293 strflag = sfrows;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4294 else if (str == "fro")
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4295 strflag = sffrob;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4296 else if (str == "inf")
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4297 strflag = sfinf;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4298 else
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4299 error ("norm: unrecognized option: %s", str.c_str ());
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4300 // 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	4301 nargin --;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4302 }
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4303 else if (nargin > 1 && ! args(1).is_scalar_type ())
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4304 gripe_wrong_type_arg ("norm", args(1), true);
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4305
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4306 if (! error_state)
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4307 {
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4308 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	4309 switch (strflag)
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4310 {
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4311 case sfmatrix:
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4312 retval(0) = xnorm (x_arg, p_arg);
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4313 break;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4314 case sfcols:
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4315 retval(0) = xcolnorms (x_arg, p_arg);
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4316 break;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4317 case sfrows:
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4318 retval(0) = xrownorms (x_arg, p_arg);
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4319 break;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4320 case sffrob:
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4321 retval(0) = xfrobnorm (x_arg);
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4322 break;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4323 case sfinf:
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4324 retval(0) = xnorm (x_arg, octave_Inf);
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4325 break;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4326 }
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4327 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4328 }
6508 184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4329 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4330 error ("norm: only valid for 2-D objects");
6508 184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4331 }
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4332 else
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4333 print_usage ();
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4334
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4335 return retval;
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4336 }
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4337
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4338 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4339 %!shared x
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4340 %! 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	4341 %!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	4342 %!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	4343 %!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	4344 %!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	4345 %!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	4346 %!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	4347 %!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	4348 %!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	4349 %!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	4350 %!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	4351 %!shared m
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4352 %! 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	4353 %!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	4354 %!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	4355 %!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	4356 %!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	4357 %!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	4358 %! 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	4359 %! 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	4360 %! 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	4361 %!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	4362 %!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	4363
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4364 %!shared x
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4365 %! 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	4366 %!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	4367 %!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	4368 %!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	4369 %!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	4370 %!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	4371 %!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	4372 %!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	4373 %!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	4374 %!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	4375 %!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	4376 %!shared m
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4377 %! 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	4378 %!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	4379 %!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	4380 %!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	4381 %!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	4382 %!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	4383 %! 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	4384 %! 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	4385 %! 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	4386 %!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	4387 %!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	4388 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4389
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4390 static octave_value
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4391 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	4392 const octave_value_list& args)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4393 {
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4394 octave_value retval;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4395 if (args.length () == 1)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4396 retval = do_unary_op (op, args(0));
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4397 else
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4398 print_usage ();
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4399
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4400 return retval;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4401 }
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4402
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4403 DEFUN (not, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4404 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4405 @deftypefn {Built-in Function} {} not (@var{x})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4406 This function is equivalent to @code{! x}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4407 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4408 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4409 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	4410 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4411
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4412 DEFUN (uplus, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4413 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4414 @deftypefn {Built-in Function} {} uplus (@var{x})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4415 This function is equivalent to @code{+ x}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4416 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4417 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4418 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	4419 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4420
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4421 DEFUN (uminus, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4422 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4423 @deftypefn {Built-in Function} {} uminus (@var{x})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4424 This function is equivalent to @code{- x}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4425 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4426 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4427 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	4428 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4429
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4430 DEFUN (transpose, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4431 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4432 @deftypefn {Built-in Function} {} transpose (@var{x})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4433 This function is equivalent to @code{x.'}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4434 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4435 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4436 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	4437 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4438
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4439 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4440
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4441 %!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	4442 %!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	4443 %!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	4444 %!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	4445 %!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	4446 %!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	4447
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4448 %!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	4449
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4450 %!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	4451 %!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	4452 %!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	4453 %!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	4454 %!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	4455 %!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	4456
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4457 %!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	4458
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4459 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4460
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4461 DEFUN (ctranspose, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4462 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4463 @deftypefn {Built-in Function} {} ctranspose (@var{x})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4464 This function is equivalent to @code{x'}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4465 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4466 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4467 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	4468 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4469
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4470 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4471
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4472 %!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	4473 %!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	4474 %!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	4475 %!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	4476 %!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	4477 %!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	4478
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4479 %!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	4480
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4481 %!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	4482 %!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	4483 %!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	4484 %!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	4485 %!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	4486 %!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	4487
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4488 %!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	4489
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4490 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4491
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4492 static octave_value
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4493 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	4494 const octave_value_list& args)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4495 {
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4496 octave_value retval;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4497
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4498 if (args.length () == 2)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4499 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	4500 else
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4501 print_usage ();
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4502
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4503 return retval;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4504 }
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4505
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4506 static octave_value
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4507 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	4508 octave_value::assign_op aop,
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4509 const octave_value_list& args)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4510 {
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4511 octave_value retval;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4512 int nargin = args.length ();
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4513
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4514 switch (nargin)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4515 {
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4516 case 0:
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4517 print_usage ();
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4518 break;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4519 case 1:
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4520 retval = args(0);
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4521 break;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4522 case 2:
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4523 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	4524 break;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4525 default:
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4526 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	4527 for (int i = 2; i < nargin; i++)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4528 retval.assign (aop, args(i));
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4529 break;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4530 }
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4531
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4532 return retval;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4533 }
9339 c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4534
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4535 DEFUN (plus, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4536 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4537 @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	4538 @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	4539 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	4540 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	4541 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	4542 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4543 @example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4544 (@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	4545 @end example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4546 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4547 At least one argument is needed.\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4548 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4549 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4550 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	4551 octave_value::op_add_eq, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4552 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4553
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4554 DEFUN (minus, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4555 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4556 @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	4557 This function is equivalent to @code{x - y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4558 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4559 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4560 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	4561 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4562
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4563 DEFUN (mtimes, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4564 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4565 @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	4566 @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	4567 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	4568 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	4569 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	4570 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4571 @example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4572 (@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	4573 @end example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4574 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4575 At least one argument is needed.\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4576 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4577 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4578 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	4579 octave_value::op_mul_eq, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4580 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4581
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4582 DEFUN (mrdivide, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4583 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4584 @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	4585 This function is equivalent to @code{x / y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4586 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4587 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4588 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	4589 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4590
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4591 DEFUN (mpower, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4592 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4593 @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	4594 This function is equivalent to @code{x ^ y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4595 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4596 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4597 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	4598 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4599
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4600 DEFUN (mldivide, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4601 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4602 @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	4603 This function is equivalent to @code{x \\ y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4604 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4605 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4606 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	4607 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4608
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4609 DEFUN (lt, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4610 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4611 @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	4612 This function is equivalent to @code{x < y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4613 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4614 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4615 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	4616 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4617
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4618 DEFUN (le, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4619 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4620 @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	4621 This function is equivalent to @code{x <= y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4622 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4623 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4624 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	4625 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4626
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4627 DEFUN (eq, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4628 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4629 @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	4630 This function is equivalent to @code{x == y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4631 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4632 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4633 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	4634 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4635
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4636 DEFUN (ge, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4637 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4638 @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	4639 This function is equivalent to @code{x >= y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4640 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4641 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4642 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	4643 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4644
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4645 DEFUN (gt, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4646 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4647 @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	4648 This function is equivalent to @code{x > y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4649 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4650 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4651 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	4652 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4653
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4654 DEFUN (ne, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4655 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4656 @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	4657 This function is equivalent to @code{x != y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4658 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4659 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4660 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	4661 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4662
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4663 DEFUN (times, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4664 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4665 @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	4666 @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	4667 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	4668 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	4669 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	4670 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4671 @example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4672 (@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	4673 @end example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4674 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4675 At least one argument is needed.\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4676 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4677 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4678 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	4679 octave_value::op_el_mul_eq, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4680 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4681
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4682 DEFUN (rdivide, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4683 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4684 @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	4685 This function is equivalent to @code{x ./ y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4686 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4687 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4688 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	4689 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4690
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4691 DEFUN (power, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4692 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4693 @deftypefn {Built-in Function} {} power (@var{x}, @var{y})\n\
7623 431f3788f5c4 minor doc patch David Bateman <dbateman@free.fr> parents: 7620 diff changeset	4694 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	4695 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4696 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4697 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	4698 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4699
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4700 DEFUN (ldivide, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4701 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4702 @deftypefn {Built-in Function} {} ldivide (@var{x}, @var{y})\n\
7623 431f3788f5c4 minor doc patch David Bateman <dbateman@free.fr> parents: 7620 diff changeset	4703 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	4704 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4705 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4706 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	4707 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4708
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4709 DEFUN (and, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4710 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4711 @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	4712 @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	4713 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	4714 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	4715 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	4716 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4717 @example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4718 (@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	4719 @end example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4720 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4721 At least one argument is needed.\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4722 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4723 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4724 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	4725 octave_value::op_el_and_eq, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4726 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4727
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4728 DEFUN (or, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4729 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4730 @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	4731 @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	4732 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	4733 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	4734 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	4735 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4736 @example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4737 (@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	4738 @end example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4739 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4740 At least one argument is needed.\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4741 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4742 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4743 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	4744 octave_value::op_el_or_eq, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4745 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4746
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	4747 static double tic_toc_timestamp = -1.0;
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4748
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4749 DEFUN (tic, args, nargout,
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4750 "-- texinfo --\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4751 @deftypefn {Built-in Function} {} tic ()\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4752 @deftypefnx {Built-in Function} {} toc ()\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4753 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	4754 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	4755 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	4756 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4757 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	4758 @group\n\
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4759 tic ();\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	4760 # many computations later@dots{}\n\
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4761 elapsed_time = toc ();\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	4762 @end group\n\
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4763 @end example\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4764 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4765 @noindent\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4766 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	4767 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	4768 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4769 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	4770 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	4771 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4772 @example\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4773 @group\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4774 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	4775 @result{} 5\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4776 @end group\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4777 @end example\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4778 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4779 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	4780 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	4781 recent call to @code{tic}.\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4782 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4783 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	4784 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	4785 @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	4786 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	4787 doing nothing at all. For example,\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4788 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4789 @example\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4790 @group\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4791 tic (); sleep (5); toc ()\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4792 @result{} 5\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4793 t = cputime (); sleep (5); cputime () - t\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4794 @result{} 0\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4795 @end group\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4796 @end example\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4797 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4798 @noindent\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4799 (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	4800 coarse resolution.)\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4801 @end deftypefn")
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4802 {
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4803 octave_value retval;
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	4804
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4805 int nargin = args.length ();
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4806
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4807 if (nargin != 0)
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4808 warning ("tic: ignoring extra arguments");
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4809
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	4810 octave_time now;
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	4811
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	4812 double tmp = now.double_value ();
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	4813
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4814 if (nargout > 0)
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	4815 retval = static_cast<octave_uint64> (1e6 * tmp);
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4816 else
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	4817 tic_toc_timestamp = tmp;
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4818
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4819 return retval;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4820 }
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4821
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4822 DEFUN (toc, args, nargout,
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4823 "-- texinfo --\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4824 @deftypefn {Built-in Function} {} toc ()\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4825 See tic.\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4826 @end deftypefn")
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4827 {
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4828 octave_value retval;
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	4829
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4830 int nargin = args.length ();
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4831
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4832 if (nargin != 0)
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4833 warning ("tic: ignoring extra arguments");
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4834
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	4835 if (tic_toc_timestamp < 0)
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4836 {
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4837 warning ("toc called before timer set");
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4838 if (nargout > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4839 retval = Matrix ();
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4840 }
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4841 else
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	4842 {
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	4843 octave_time now;
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	4844
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	4845 double tmp = now.double_value () - tic_toc_timestamp;
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	4846
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	4847 if (nargout > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4848 retval = tmp;
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	4849 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4850 octave_stdout << "Elapsed time is " << tmp << " seconds.\n";
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	4851 }
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4852
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4853 return retval;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4854 }
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4855
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4856 DEFUN (cputime, args, ,
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4857 "-- texinfo --\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4858 @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	4859 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	4860 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	4861 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	4862 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	4863 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	4864 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	4865 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	4866 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	4867 CPU time used is nonzero.\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4868 @end deftypefn")
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4869 {
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4870 octave_value_list retval;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4871 int nargin = args.length ();
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4872 double usr = 0.0;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4873 double sys = 0.0;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4874
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4875 if (nargin != 0)
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4876 warning ("tic: ignoring extra arguments");
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4877
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4878 #if defined (HAVE_GETRUSAGE)
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4879
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4880 struct rusage ru;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4881
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4882 getrusage (RUSAGE_SELF, &ru);
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4883
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4884 usr = static_cast<double> (ru.ru_utime.tv_sec) +
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4885 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	4886
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4887 sys = static_cast<double> (ru.ru_stime.tv_sec) +
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4888 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	4889
10240 fa7b5751730c use gnulib time, sys_time, and sys_times modules John W. Eaton <jwe@octave.org> parents: 10185 diff changeset	4890 #else
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4891
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4892 struct tms t;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4893
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4894 times (&t);
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4895
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4896 unsigned long ticks;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4897 unsigned long seconds;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4898 unsigned long fraction;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4899
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4900 ticks = t.tms_utime + t.tms_cutime;
10303 e4899d6320b6 data.cc: use CLOCKS_PER_SEC instead of HZ John W. Eaton <jwe@octave.org> parents: 10302 diff changeset	4901 fraction = ticks % CLOCKS_PER_SEC;
e4899d6320b6 data.cc: use CLOCKS_PER_SEC instead of HZ John W. Eaton <jwe@octave.org> parents: 10302 diff changeset	4902 seconds = ticks / CLOCKS_PER_SEC;
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4903
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4904 usr = static_cast<double> (seconds) + static_cast<double>(fraction) /
10303 e4899d6320b6 data.cc: use CLOCKS_PER_SEC instead of HZ John W. Eaton <jwe@octave.org> parents: 10302 diff changeset	4905 static_cast<double>(CLOCKS_PER_SEC);
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4906
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4907 ticks = t.tms_stime + t.tms_cstime;
10303 e4899d6320b6 data.cc: use CLOCKS_PER_SEC instead of HZ John W. Eaton <jwe@octave.org> parents: 10302 diff changeset	4908 fraction = ticks % CLOCKS_PER_SEC;
e4899d6320b6 data.cc: use CLOCKS_PER_SEC instead of HZ John W. Eaton <jwe@octave.org> parents: 10302 diff changeset	4909 seconds = ticks / CLOCKS_PER_SEC;
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4910
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4911 sys = static_cast<double> (seconds) + static_cast<double>(fraction) /
10303 e4899d6320b6 data.cc: use CLOCKS_PER_SEC instead of HZ John W. Eaton <jwe@octave.org> parents: 10302 diff changeset	4912 static_cast<double>(CLOCKS_PER_SEC);
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4913
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4914 #endif
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4915
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4916 retval (2) = sys;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4917 retval (1) = usr;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4918 retval (0) = sys + usr;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4919
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4920 return retval;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4921 }
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	4922
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4923 DEFUN (sort, args, nargout,
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4924 "-- texinfo --\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4925 @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	4926 @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	4927 @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	4928 @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	4929 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	4930 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	4931 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4932 For example,\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4933 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4934 @example\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4935 @group\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4936 sort ([1, 2; 2, 3; 3, 1])\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4937 @result{} 1 1\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4938 2 2\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4939 3 3\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4940 @end group\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4941 @end example\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4942 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4943 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	4944 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	4945 matrix. For example,\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4946 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4947 @example\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4948 @group\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4949 [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	4950 @result{} s = 1 1\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4951 2 2\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4952 3 3\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4953 @result{} i = 1 3\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4954 2 1\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4955 3 2\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4956 @end group\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4957 @end example\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4958 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4959 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	4960 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	4961 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	4962 @code{mode} are `ascend' or `descend'.\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4963 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4964 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	4965 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	4966 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4967 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	4968 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	4969 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4970 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	4971 ordered lists.\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4972 @end deftypefn")
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4973 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4974 octave_value_list retval;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4975
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4976 int nargin = args.length ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4977 sortmode smode = ASCENDING;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4978
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4979 if (nargin < 1 \|\| nargin > 3)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4980 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4981 print_usage ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4982 return retval;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4983 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4984
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4985 bool return_idx = nargout > 1;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4986
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4987 octave_value arg = args(0);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4988
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4989 int dim = 0;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4990 if (nargin > 1)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4991 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	4992 if (args(1).is_string ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4993 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4994 std::string mode = args(1).string_value();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4995 if (mode == "ascend")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4996 smode = ASCENDING;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4997 else if (mode == "descend")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4998 smode = DESCENDING;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4999 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5000 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5001 error ("sort: mode must be either \"ascend\" or \"descend\"");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5002 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5003 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5004 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5005 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5006 dim = args(1).nint_value () - 1;
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5007 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5008
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5009 if (nargin > 2)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5010 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5011 if (args(1).is_string ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5012 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5013 print_usage ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5014 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5015 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5016
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5017 if (! args(2).is_string ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5018 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5019 error ("sort: mode must be a string");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5020 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5021 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5022 std::string mode = args(2).string_value();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5023 if (mode == "ascend")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5024 smode = ASCENDING;
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5025 else if (mode == "descend")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5026 smode = DESCENDING;
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5027 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5028 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5029 error ("sort: mode must be either \"ascend\" or \"descend\"");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5030 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5031 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5032 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5033
10285 22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	5034 const dim_vector dv = arg.dims ();
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5035 if (nargin == 1 \|\| args(1).is_string ())
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5036 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5037 // Find first non singleton dimension
10285 22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	5038 dim = dv.first_non_singleton ();
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5039 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5040 else
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5041 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5042 if (dim < 0 \|\| dim > dv.length () - 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5043 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5044 error ("sort: dim must be a valid dimension");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5045 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5046 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5047 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5048
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5049 if (return_idx)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5050 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5051 Array<octave_idx_type> sidx;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5052
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5053 retval (0) = arg.sort (sidx, dim, smode);
10285 22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	5054 retval (1) = idx_vector (sidx, dv(dim)); // No checking, the extent is known.
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5055 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5056 else
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5057 retval(0) = arg.sort (dim, smode);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5058
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5059 return retval;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5060 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5061
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5062 /*
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5063
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5064 %% Double
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5065 %!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	5066 %!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	5067 %!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	5068 %!error (sort ([NaN, 1, -1, 2, Inf], 3))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5069 %!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	5070 %!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	5071 %!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	5072 %!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	5073 %!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	5074 %!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	5075 %!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	5076 %!assert (sort (1), 1)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5077
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5078 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5079 %! [v, i] = sort ([NaN, 1, -1, Inf, 1]);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5080 %! assert (v, [-1, 1, 1, Inf, NaN])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5081 %! assert (i, [3, 2, 5, 4, 1])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5082
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5083 %% Complex
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5084 %!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	5085 %!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	5086 %!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	5087 %!error (sort ([NaN, 1i, -1, 2, Inf], 3))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5088 %!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	5089 %!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	5090 %!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	5091 %!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	5092 %!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	5093 %!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	5094 %!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	5095 %!assert (sort (1i), 1i)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5096
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5097 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5098 %! [v, i] = sort ([NaN, 1i, -1, Inf, 1, 1i]);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5099 %! assert (v, [1, 1i, 1i, -1, Inf, NaN])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5100 %! assert (i, [5, 2, 6, 3, 4, 1])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5101
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5102 %% Single
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5103 %!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	5104 %!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	5105 %!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	5106 %!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	5107 %!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	5108 %!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	5109 %!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	5110 %!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	5111 %!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	5112 %!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	5113 %!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	5114 %!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	5115
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5116 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5117 %! [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	5118 %! 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	5119 %! 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	5120
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5121 %% Single Complex
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5122 %!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	5123 %!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	5124 %!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	5125 %!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	5126 %!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	5127 %!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	5128 %!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	5129 %!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	5130 %!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	5131 %!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	5132 %!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	5133 %!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	5134
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5135 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5136 %! [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	5137 %! 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	5138 %! 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	5139
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5140 %% Bool
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5141 %!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	5142 %!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	5143 %!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	5144 %!error (sort ([true, false, true, false], 3))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5145 %!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	5146 %!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	5147 %!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	5148 %!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	5149 %!assert (sort (true), true)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5150
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5151 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5152 %! [v, i] = sort ([true, false, true, false]);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5153 %! assert (v, [false, false, true, true])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5154 %! assert (i, [2, 4, 1, 3])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5155
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5156 %% Sparse Double
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5157 %!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	5158 %!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	5159 %!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	5160 %!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	5161 %!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	5162 %!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	5163 %!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	5164 %!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	5165
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5166 %!shared a
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5167 %! a = randn (10, 10);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5168 %! a (a < 0) = 0;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5169 %!assert (sort (sparse (a)), sparse (sort (a)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5170 %!assert (sort (sparse (a), 1), sparse (sort (a, 1)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5171 %!assert (sort (sparse (a), 2), sparse (sort (a, 2)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5172 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5173 %! [v, i] = sort (a);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5174 %! [vs, is] = sort (sparse (a));
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5175 %! assert (vs, sparse (v))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5176 %! assert (is, i)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5177
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5178 %% Sparse Complex
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5179 %!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	5180 %!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	5181 %!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	5182 %!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	5183 %!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	5184 %!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	5185 %!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	5186 %!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	5187
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5188 %!shared a
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5189 %! a = randn (10, 10);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5190 %! a (a < 0) = 0;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5191 %! a = 1i * a;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5192 %!assert (sort (sparse (a)), sparse (sort (a)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5193 %!assert (sort (sparse (a), 1), sparse (sort (a, 1)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5194 %!assert (sort (sparse (a), 2), sparse (sort (a, 2)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5195 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5196 %! [v, i] = sort (a);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5197 %! [vs, is] = sort (sparse (a));
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5198 %! assert (vs, sparse (v))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5199 %! assert (is, i)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5200
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5201 %% Sparse Bool
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5202 %!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	5203 %!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	5204 %!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	5205 %!error (sort (sparse ([true, false, true, false], 3)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5206 %!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	5207 %!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	5208 %!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	5209 %!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	5210
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5211 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5212 %! [v, i] = sort (sparse([true, false, true, false]));
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5213 %! assert (v, sparse([false, false, true, true]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5214 %! assert (i, [2, 4, 1, 3])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5215
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5216 %% Cell string array
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5217 %!shared a, b, c
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5218 %! a = {"Alice", "Cecile", "Eric", "Barry", "David"};
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5219 %! b = {"Alice", "Barry", "Cecile", "David", "Eric"};
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5220 %! c = {"Eric", "David", "Cecile", "Barry", "Alice"};
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5221 %!assert (sort (a), b);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5222 %!assert (sort (a, 1), a)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5223 %!assert (sort (a, 2), b)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5224 %!error (sort (a, 3))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5225 %!assert (sort (a, "ascend"), b)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5226 %!assert (sort (a, 2, "ascend"), b)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5227 %!assert (sort (a, "descend"), c)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5228 %!assert (sort (a, 2, "descend"), c)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5229
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5230 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5231 %! [v, i] = sort (a);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5232 %! assert (i, [1, 4, 2, 5, 3])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5233
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5234 %!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	5235 %!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	5236
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5237 */
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5238
8812 7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8799 diff changeset	5239 // 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	5240 // 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	5241 // 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	5242 //
7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8799 diff changeset	5243 // 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	5244
8733 3ef774603887 rename all uses of sortrows_idx to sort_rows_idx John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	5245 DEFUN (__sort_rows_idx__, args, ,
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5246 "-- texinfo --\n\
9517 a85dbf7b6ff9 fix some functions help markup Jaroslav Hajek <highegg@gmail.com> parents: 9513 diff changeset	5247 @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	5248 Undocumented internal function.\n\
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5249 @end deftypefn\n")
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5250 {
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5251 octave_value retval;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5252
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5253 int nargin = args.length ();
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5254 sortmode smode = ASCENDING;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5255
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5256 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	5257 {
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5258 print_usage ();
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5259 return retval;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5260 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5261
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5262 if (nargin > 1)
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5263 {
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5264 std::string mode = args(1).string_value();
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5265 if (mode == "ascend")
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5266 smode = ASCENDING;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5267 else if (mode == "descend")
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5268 smode = DESCENDING;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5269 else
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5270 {
8733 3ef774603887 rename all uses of sortrows_idx to sort_rows_idx John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	5271 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	5272 return retval;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5273 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5274 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5275
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5276 octave_value arg = args(0);
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5277
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5278 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	5279 error ("__sort_rows_idx__: sparse matrices not yet supported");
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5280 if (arg.ndims () == 2)
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5281 {
8733 3ef774603887 rename all uses of sortrows_idx to sort_rows_idx John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	5282 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	5283
9351 e2344f4af0cb autocache indices returned from find et al. Jaroslav Hajek <highegg@gmail.com> parents: 9339 diff changeset	5284 retval = octave_value (idx, true, true);
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5285 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5286 else
8733 3ef774603887 rename all uses of sortrows_idx to sort_rows_idx John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	5287 error ("__sort_rows_idx__: needs a 2-dimensional object");
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5288
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5289 return retval;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5290 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5291
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5292 static sortmode
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5293 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	5294 {
10076 4b270d1540f7 avoid various GCC warnings John W. Eaton <jwe@octave.org> parents: 10073 diff changeset	5295 // 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	5296 // about possibly using sortmode uninitialized.
4b270d1540f7 avoid various GCC warnings John W. Eaton <jwe@octave.org> parents: 10073 diff changeset	5297 // 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	5298 sortmode smode = UNSORTED;
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5299
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5300 std::string mode = arg.string_value ();
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5301
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5302 if (error_state)
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5303 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	5304 else if (mode == "ascending")
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5305 smode = ASCENDING;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5306 else if (mode == "descending")
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5307 smode = DESCENDING;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5308 else if (mode == "either")
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5309 smode = UNSORTED;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5310 else
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5311 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	5312
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5313 return smode;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5314 }
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5315
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5316 DEFUN (issorted, args, ,
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5317 "-- texinfo --\n\
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5318 @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	5319 @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	5320 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	5321 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	5322 @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	5323 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	5324 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	5325 options).\n\
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5326 \n\
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5327 This function does not yet support sparse matrices.\n\
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5328 @seealso{sortrows, sort}\n\
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5329 @end deftypefn\n")
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5330 {
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5331 octave_value retval;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5332
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5333 int nargin = args.length ();
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5334
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5335 if (nargin < 1 \|\| nargin > 3)
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5336 {
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5337 print_usage ();
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5338 return retval;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5339 }
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5340
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5341 bool by_rows = false;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5342
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5343 sortmode smode = ASCENDING;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5344
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5345 if (nargin > 1)
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5346 {
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5347 octave_value mode_arg;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5348
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5349 if (nargin == 3)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5350 smode = get_sort_mode_option (args(2), "third");
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5351
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5352 std::string tmp = args(1).string_value ();
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5353
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5354 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5355 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5356 if (tmp == "rows")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5357 by_rows = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5358 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5359 smode = get_sort_mode_option (args(1), "second");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5360 }
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5361 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5362 error ("expecting second argument to be character string");
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5363
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5364 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5365 return retval;
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5366 }
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5367
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5368 octave_value arg = args(0);
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5369
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5370 if (by_rows)
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5371 {
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5372 if (arg.is_sparse_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5373 error ("issorted: sparse matrices not yet supported");
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5374 if (arg.ndims () == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5375 retval = arg.is_sorted_rows (smode) != UNSORTED;
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5376 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5377 error ("issorted: needs a 2-dimensional object");
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5378 }
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5379 else
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5380 {
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5381 if (arg.dims ().is_vector ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5382 retval = args(0).is_sorted (smode) != UNSORTED;
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5383 else
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5384 error ("issorted: needs a vector");
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5385 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5386
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5387 return retval;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5388 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5389
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5390 /*
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5391 %!shared sm, um, sv, uv
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5392 %! sm = [1, 2; 3, 4];
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5393 %! um = [3, 1; 2, 4];
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5394 %! sv = [1, 2, 3, 4];
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5395 %! uv = [2, 1, 4, 3];
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5396 %!assert(issorted (sm, "rows"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5397 %!assert(!issorted (um, "rows"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5398 %!assert(issorted (sv));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5399 %!assert(!issorted (uv));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5400 %!assert(issorted (sv'));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5401 %!assert(!issorted (uv'));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5402 %!assert(issorted (sm, "rows", "ascending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5403 %!assert(!issorted (um, "rows", "ascending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5404 %!assert(issorted (sv, "ascending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5405 %!assert(!issorted (uv, "ascending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5406 %!assert(issorted (sv', "ascending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5407 %!assert(!issorted (uv', "ascending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5408 %!assert(!issorted (sm, "rows", "descending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5409 %!assert(issorted (flipud (sm), "rows", "descending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5410 %!assert(!issorted (sv, "descending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5411 %!assert(issorted (fliplr (sv), "descending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5412 %!assert(!issorted (sv', "descending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5413 %!assert(issorted (fliplr (sv)', "descending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5414 %!assert(!issorted (um, "rows", "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5415 %!assert(!issorted (uv, "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5416 %!assert(issorted (sm, "rows", "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5417 %!assert(issorted (flipud (sm), "rows", "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5418 %!assert(issorted (sv, "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5419 %!assert(issorted (fliplr (sv), "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5420 %!assert(issorted (sv', "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5421 %!assert(issorted (fliplr (sv)', "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5422 */
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5423
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5424 DEFUN (nth_element, args, ,
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5425 "-- texinfo --\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5426 @deftypefn {Built-in Function} {} nth_element (@var{x}, @var{n})\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5427 @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	5428 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	5429 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	5430 @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	5431 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	5432 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	5433 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	5434 \n\
9736 fa63a34827e0 clarify nth_element docstring Jaroslav Hajek <highegg@gmail.com> parents: 9732 diff changeset	5435 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	5436 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	5437 @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	5438 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	5439 it may be better to use @code{sort}.\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5440 @seealso{sort, min, max}\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5441 @end deftypefn")
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5442 {
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5443 octave_value retval;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5444 int nargin = args.length ();
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5445
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5446 if (nargin == 2 \|\| nargin == 3)
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5447 {
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5448 octave_value argx = args(0);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5449
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5450 int dim = -1;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5451 if (nargin == 3)
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5452 {
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5453 dim = args(2).int_value (true) - 1;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5454 if (dim < 0 \|\| dim >= argx.ndims ())
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5455 error ("nth_element: dim must be a valid dimension");
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5456 }
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5457 if (dim < 0)
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5458 dim = argx.dims ().first_non_singleton ();
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5459
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5460 idx_vector n = args(1).index_vector ();
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5461
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5462 if (error_state)
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5463 return retval;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5464
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5465 switch (argx.builtin_type ())
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5466 {
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5467 case btyp_double:
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5468 retval = argx.array_value ().nth_element (n, dim);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5469 break;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5470 case btyp_float:
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5471 retval = argx.float_array_value ().nth_element (n, dim);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5472 break;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5473 case btyp_complex:
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5474 retval = argx.complex_array_value ().nth_element (n, dim);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5475 break;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5476 case btyp_float_complex:
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5477 retval = argx.float_complex_array_value ().nth_element (n, dim);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5478 break;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5479 #define MAKE_INT_BRANCH(X) \
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5480 case btyp_ ## X: \
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5481 retval = argx.X ## _array_value ().nth_element (n, dim); \
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5482 break
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5483
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5484 MAKE_INT_BRANCH (int8);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5485 MAKE_INT_BRANCH (int16);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5486 MAKE_INT_BRANCH (int32);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5487 MAKE_INT_BRANCH (int64);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5488 MAKE_INT_BRANCH (uint8);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5489 MAKE_INT_BRANCH (uint16);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5490 MAKE_INT_BRANCH (uint32);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5491 MAKE_INT_BRANCH (uint64);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5492 #undef MAKE_INT_BRANCH
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5493 default:
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5494 if (argx.is_cellstr ())
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5495 retval = argx.cellstr_value ().nth_element (n, dim);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5496 else
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5497 gripe_wrong_type_arg ("nth_element", argx);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5498 }
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5499 }
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5500 else
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5501 print_usage ();
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5502
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5503 return retval;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5504 }
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5505
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5506 template <class NDT>
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5507 static NDT
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5508 do_accumarray_sum (const idx_vector& idx, const NDT& vals,
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5509 octave_idx_type n = -1)
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5510 {
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5511 typedef typename NDT::element_type T;
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5512 if (n < 0)
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5513 n = idx.extent (0);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5514 else if (idx.extent (n) > n)
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5515 error ("accumarray: index out of range");
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5516
9858 47c5af1868df move idx_add methods to MArrayN Jaroslav Hajek <highegg@gmail.com> parents: 9856 diff changeset	5517 NDT retval (dim_vector (n, 1), T());
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5518
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5519 if (vals.numel () == 1)
9858 47c5af1868df move idx_add methods to MArrayN Jaroslav Hajek <highegg@gmail.com> parents: 9856 diff changeset	5520 retval.idx_add (idx, vals (0));
47c5af1868df move idx_add methods to MArrayN Jaroslav Hajek <highegg@gmail.com> parents: 9856 diff changeset	5521 else if (vals.numel () == idx.length (n))
47c5af1868df move idx_add methods to MArrayN Jaroslav Hajek <highegg@gmail.com> parents: 9856 diff changeset	5522 retval.idx_add (idx, vals);
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5523 else
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5524 error ("accumarray: dimensions mismatch");
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5525
9858 47c5af1868df move idx_add methods to MArrayN Jaroslav Hajek <highegg@gmail.com> parents: 9856 diff changeset	5526 return retval;
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5527 }
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5528
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5529 DEFUN (__accumarray_sum__, args, ,
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5530 "-- texinfo --\n\
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5531 @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	5532 Undocumented internal function.\n\
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5533 @end deftypefn")
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5534 {
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5535 octave_value retval;
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5536 int nargin = args.length ();
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5537 if (nargin >= 2 && nargin <= 3 && args(0).is_numeric_type ())
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5538 {
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5539 idx_vector idx = args(0).index_vector ();
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5540 octave_idx_type n = -1;
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5541 if (nargin == 3)
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5542 n = args(2).idx_type_value (true);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5543
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5544 if (! error_state)
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5545 {
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5546 octave_value vals = args(1);
9198 3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	5547 if (vals.is_range ())
3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	5548 {
3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	5549 Range r = vals.range_value ();
3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	5550 if (r.inc () == 0)
3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	5551 vals = r.base ();
3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	5552 }
3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	5553
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5554 if (vals.is_single_type ())
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5555 {
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5556 if (vals.is_complex_type ())
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5557 retval = do_accumarray_sum (idx, vals.float_complex_array_value (), n);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5558 else
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5559 retval = do_accumarray_sum (idx, vals.float_array_value (), n);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5560 }
10269 217d36560dfa small fixes to accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10268 diff changeset	5561 else if (vals.is_numeric_type () \|\| vals.is_bool_type ())
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5562 {
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5563 if (vals.is_complex_type ())
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5564 retval = do_accumarray_sum (idx, vals.complex_array_value (), n);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5565 else
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5566 retval = do_accumarray_sum (idx, vals.array_value (), n);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5567 }
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5568 else
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5569 gripe_wrong_type_arg ("accumarray", vals);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5570 }
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5571 }
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5572 else
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5573 print_usage ();
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5574
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5575 return retval;
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5576 }
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5577
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5578 template <class NDT>
10268 9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5579 static NDT
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5580 do_accumarray_minmax (const idx_vector& idx, const NDT& vals,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5581 octave_idx_type n, bool ismin,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5582 const typename NDT::element_type& zero_val)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5583 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5584 typedef typename NDT::element_type T;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5585 if (n < 0)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5586 n = idx.extent (0);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5587 else if (idx.extent (n) > n)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5588 error ("accumarray: index out of range");
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5589
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5590 NDT retval (dim_vector (n, 1), zero_val);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5591
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5592 // Pick minimizer or maximizer.
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	5593 void (MArray<T>::*op) (const idx_vector&, const MArray<T>&) =
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	5594 ismin ? (&MArray<T>::idx_min) : (&MArray<T>::idx_max);
10268 9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5595
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5596 octave_idx_type l = idx.length (n);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5597 if (vals.numel () == 1)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5598 (retval.*op) (idx, NDT (dim_vector (l, 1), vals(0)));
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5599 else if (vals.numel () == l)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5600 (retval.*op) (idx, vals);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5601 else
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5602 error ("accumarray: dimensions mismatch");
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5603
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5604 return retval;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5605 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5606
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5607 static octave_value_list
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5608 do_accumarray_minmax_fun (const octave_value_list& args,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5609 bool ismin)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5610 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5611 octave_value retval;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5612 int nargin = args.length ();
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5613 if (nargin >= 3 && nargin <= 4 && args(0).is_numeric_type ())
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5614 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5615 idx_vector idx = args(0).index_vector ();
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5616 octave_idx_type n = -1;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5617 if (nargin == 4)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5618 n = args(3).idx_type_value (true);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5619
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5620 if (! error_state)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5621 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5622 octave_value vals = args(1), zero = args (2);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5623
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5624 switch (vals.builtin_type ())
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5625 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5626 case btyp_double:
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5627 retval = do_accumarray_minmax (idx, vals.array_value (), n, ismin,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5628 zero.double_value ());
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5629 break;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5630 case btyp_float:
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5631 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	5632 zero.float_value ());
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5633 break;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5634 case btyp_complex:
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5635 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	5636 zero.complex_value ());
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5637 break;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5638 case btyp_float_complex:
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5639 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	5640 zero.float_complex_value ());
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5641 break;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5642 #define MAKE_INT_BRANCH(X) \
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5643 case btyp_ ## X: \
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5644 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	5645 zero.X ## _scalar_value ()); \
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5646 break
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5647
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5648 MAKE_INT_BRANCH (int8);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5649 MAKE_INT_BRANCH (int16);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5650 MAKE_INT_BRANCH (int32);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5651 MAKE_INT_BRANCH (int64);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5652 MAKE_INT_BRANCH (uint8);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5653 MAKE_INT_BRANCH (uint16);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5654 MAKE_INT_BRANCH (uint32);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5655 MAKE_INT_BRANCH (uint64);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5656 #undef MAKE_INT_BRANCH
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5657 case btyp_bool:
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5658 retval = do_accumarray_minmax (idx, vals.array_value (), n, ismin,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5659 zero.bool_value ());
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5660 break;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5661 default:
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5662 gripe_wrong_type_arg ("accumarray", vals);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5663 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5664 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5665 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5666 else
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5667 print_usage ();
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5668
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5669 return retval;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5670 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5671
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5672 DEFUN (__accumarray_min__, args, ,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5673 "-- texinfo --\n\
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5674 @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	5675 Undocumented internal function.\n\
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5676 @end deftypefn")
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5677 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5678 return do_accumarray_minmax_fun (args, true);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5679 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5680
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5681 DEFUN (__accumarray_max__, args, ,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5682 "-- texinfo --\n\
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5683 @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	5684 Undocumented internal function.\n\
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5685 @end deftypefn")
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5686 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5687 return do_accumarray_minmax_fun (args, false);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5688 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5689
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5690 template <class NDT>
10396 a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5691 static NDT
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5692 do_accumdim_sum (const idx_vector& idx, const NDT& vals,
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5693 int dim = -1, octave_idx_type n = -1)
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5694 {
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5695 typedef typename NDT::element_type T;
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5696 if (n < 0)
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5697 n = idx.extent (0);
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5698 else if (idx.extent (n) > n)
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5699 error ("accumarray: index out of range");
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5700
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5701 dim_vector rdv = vals.dims ();
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5702 if (dim < 0)
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5703 dim = vals.dims ().first_non_singleton ();
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5704 else if (dim >= rdv.length ())
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5705 rdv.resize (dim+1, 1);
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5706
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5707 rdv(dim) = n;
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5708
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5709 NDT retval (rdv, T());
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5710
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5711 retval.idx_add_nd (idx, vals, dim);
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5712 return retval;
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5713 }
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5714
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5715 DEFUN (__accumdim_sum__, args, ,
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5716 "-- texinfo --\n\
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5717 @deftypefn {Built-in Function} {} __accumdim_sum__ (@var{idx}, @var{vals}, @var{dim}, @var{n})\n\
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5718 Undocumented internal function.\n\
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5719 @end deftypefn")
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5720 {
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5721 octave_value retval;
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5722 int nargin = args.length ();
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5723 if (nargin >= 2 && nargin <= 4 && args(0).is_numeric_type ())
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5724 {
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5725 idx_vector idx = args(0).index_vector ();
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5726 int dim = -1;
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5727 if (nargin >= 3)
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5728 dim = args(2).int_value () - 1;
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5729
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5730 octave_idx_type n = -1;
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5731 if (nargin == 4)
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5732 n = args(3).idx_type_value (true);
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5733
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5734 if (! error_state)
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5735 {
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5736 octave_value vals = args(1);
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5737
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5738 if (vals.is_single_type ())
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5739 {
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5740 if (vals.is_complex_type ())
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5741 retval = do_accumdim_sum (idx, vals.float_complex_array_value (), dim, n);
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5742 else
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5743 retval = do_accumdim_sum (idx, vals.float_array_value (), dim, n);
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5744 }
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5745 else if (vals.is_numeric_type () \|\| vals.is_bool_type ())
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5746 {
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5747 if (vals.is_complex_type ())
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5748 retval = do_accumdim_sum (idx, vals.complex_array_value (), dim, n);
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5749 else
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5750 retval = do_accumdim_sum (idx, vals.array_value (), dim, n);
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5751 }
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5752 else
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5753 gripe_wrong_type_arg ("accumdim", vals);
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5754 }
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5755 }
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5756 else
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5757 print_usage ();
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5758
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5759 return retval;
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5760 }
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5761
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	5762 template <class NDT>
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5763 static NDT
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5764 do_merge (const Array<bool>& mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5765 const NDT& tval, const NDT& fval)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5766 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5767 typedef typename NDT::element_type T;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5768 dim_vector dv = mask.dims ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5769 NDT retval (dv);
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5770
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5771 bool tscl = tval.numel () == 1, fscl = fval.numel () == 1;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5772
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5773 if ((! tscl && tval.dims () != dv)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5774 \|\| (! fscl && fval.dims () != dv))
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5775 error ("merge: dimensions mismatch");
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5776 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5777 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5778 T *rv = retval.fortran_vec ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5779 octave_idx_type n = retval.numel ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5780
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5781 const T tv = tval.data (), fv = fval.data ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5782 const bool *mv = mask.data ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5783
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5784 if (tscl)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5785 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5786 if (fscl)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5787 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5788 T ts = tv[0], fs = fv[0];
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5789 for (octave_idx_type i = 0; i < n; i++)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5790 rv[i] = mv[i] ? ts : fs;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5791 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5792 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5793 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5794 T ts = tv[0];
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5795 for (octave_idx_type i = 0; i < n; i++)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5796 rv[i] = mv[i] ? ts : fv[i];
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5797 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5798 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5799 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5800 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5801 if (fscl)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5802 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5803 T fs = fv[0];
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5804 for (octave_idx_type i = 0; i < n; i++)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5805 rv[i] = mv[i] ? tv[i] : fs;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5806 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5807 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5808 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5809 for (octave_idx_type i = 0; i < n; i++)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5810 rv[i] = mv[i] ? tv[i] : fv[i];
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5811 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5812 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5813 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5814
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5815 return retval;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5816 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5817
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5818 #define MAKE_INT_BRANCH(INTX) \
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5819 else if (tval.is_ ## INTX ## _type () && fval.is_ ## INTX ## _type ()) \
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5820 { \
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5821 retval = do_merge (mask, \
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5822 tval.INTX ## _array_value (), \
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5823 fval.INTX ## _array_value ()); \
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5824 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5825
9505 a321a1c227c8 make ifelse an alias or merge Jaroslav Hajek <highegg@gmail.com> parents: 9475 diff changeset	5826 DEFUN (merge, args, ,
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5827 "-- texinfo --\n\
9505 a321a1c227c8 make ifelse an alias or merge Jaroslav Hajek <highegg@gmail.com> parents: 9475 diff changeset	5828 @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	5829 @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	5830 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	5831 @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	5832 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	5833 @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	5834 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	5835 @var{fval} is returned.\n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5836 \n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5837 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	5838 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	5839 @example\n\
9758 09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9736 diff changeset	5840 @group\n\
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5841 result(mask) = tval(mask);\n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5842 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	5843 @end group\n\
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5844 @end example\n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5845 \n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5846 @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	5847 it is first converted to logical.\n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5848 @seealso{logical}\n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5849 @end deftypefn")
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5850 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5851 int nargin = args.length ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5852 octave_value retval;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5853
9856 870a69bac55c fix test in merge Jaroslav Hajek <highegg@gmail.com> parents: 9848 diff changeset	5854 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	5855 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5856 octave_value mask_val = args(0);
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5857
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5858 if (mask_val.is_scalar_type ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5859 retval = mask_val.is_true () ? args(1) : args(2);
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5860 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5861 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5862 boolNDArray mask = mask_val.bool_array_value ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5863 octave_value tval = args(1), fval = args(2);
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5864 if (tval.is_double_type () && fval.is_double_type ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5865 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5866 if (tval.is_complex_type () \|\| fval.is_complex_type ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5867 retval = do_merge (mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5868 tval.complex_array_value (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5869 fval.complex_array_value ());
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5870 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5871 retval = do_merge (mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5872 tval.array_value (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5873 fval.array_value ());
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5874 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5875 else if (tval.is_single_type () && fval.is_single_type ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5876 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5877 if (tval.is_complex_type () \|\| fval.is_complex_type ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5878 retval = do_merge (mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5879 tval.float_complex_array_value (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5880 fval.float_complex_array_value ());
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5881 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5882 retval = do_merge (mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5883 tval.float_array_value (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5884 fval.float_array_value ());
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5885 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5886 else if (tval.is_string () && fval.is_string ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5887 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5888 bool sq_string = tval.is_sq_string () \|\| fval.is_sq_string ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5889 retval = octave_value (do_merge (mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5890 tval.char_array_value (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5891 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	5892 sq_string ? '\'' : '"');
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5893 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5894 else if (tval.is_cell () && fval.is_cell ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5895 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5896 retval = do_merge (mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5897 tval.cell_value (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5898 fval.cell_value ());
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5899 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5900
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5901 MAKE_INT_BRANCH (int8)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5902 MAKE_INT_BRANCH (int16)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5903 MAKE_INT_BRANCH (int32)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5904 MAKE_INT_BRANCH (int64)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5905 MAKE_INT_BRANCH (uint8)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5906 MAKE_INT_BRANCH (uint16)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5907 MAKE_INT_BRANCH (uint32)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5908 MAKE_INT_BRANCH (uint64)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5909
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5910 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5911 error ("merge: cannot merge %s with %s with array mask",
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5912 tval.class_name ().c_str (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5913 fval.class_name ().c_str ());
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5914 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5915 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5916 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5917 print_usage ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5918
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5919 return retval;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5920 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5921
9505 a321a1c227c8 make ifelse an alias or merge Jaroslav Hajek <highegg@gmail.com> parents: 9475 diff changeset	5922 DEFALIAS (ifelse, merge);
a321a1c227c8 make ifelse an alias or merge Jaroslav Hajek <highegg@gmail.com> parents: 9475 diff changeset	5923
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5924 #undef MAKE_INT_BRANCH
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5925
9513 9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5926 template <class SparseT>
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5927 static SparseT
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5928 do_sparse_diff (const SparseT& array, octave_idx_type order,
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5929 int dim)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5930 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5931 SparseT retval = array;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5932 if (dim == 1)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5933 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5934 octave_idx_type k = retval.columns ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5935 while (order > 0 && k > 0)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5936 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5937 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	5938 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	5939 assert (retval.columns () == k-1);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5940 order--;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5941 k--;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5942 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5943 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5944 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5945 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5946 octave_idx_type k = retval.rows ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5947 while (order > 0 && k > 0)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5948 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5949 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	5950 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	5951 assert (retval.rows () == k-1);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5952 order--;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5953 k--;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5954 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5955 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5956
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5957 return retval;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5958 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5959
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5960 static octave_value
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5961 do_diff (const octave_value& array, octave_idx_type order,
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5962 int dim = -1)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5963 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5964 octave_value retval;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5965
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5966 const dim_vector& dv = array.dims ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5967 if (dim == -1)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5968 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5969 dim = array.dims ().first_non_singleton ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5970
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5971 // Bother Matlab. This behavior is really wicked.
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5972 if (dv(dim) <= order)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5973 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5974 if (dv(dim) == 1)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5975 retval = array.resize (dim_vector (0, 0));
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5976 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5977 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5978 retval = array;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5979 while (order > 0)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5980 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5981 if (dim == dv.length ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5982 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5983 retval = do_diff (array, order, dim - 1);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5984 order = 0;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5985 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5986 else if (dv(dim) == 1)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5987 dim++;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5988 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5989 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5990 retval = do_diff (array, dv(dim) - 1, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5991 order -= dv(dim) - 1;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5992 dim++;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5993 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5994 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5995 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5996
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5997 return retval;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5998 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	5999 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6000
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6001 if (array.is_integer_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6002 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6003 if (array.is_int8_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6004 retval = array.int8_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6005 else if (array.is_int16_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6006 retval = array.int16_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6007 else if (array.is_int32_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6008 retval = array.int32_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6009 else if (array.is_int64_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6010 retval = array.int64_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6011 else if (array.is_uint8_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6012 retval = array.uint8_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6013 else if (array.is_uint16_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6014 retval = array.uint16_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6015 else if (array.is_uint32_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6016 retval = array.uint32_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6017 else if (array.is_uint64_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6018 retval = array.uint64_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6019 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6020 panic_impossible ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6021 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6022 else if (array.is_sparse_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6023 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6024 if (array.is_complex_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6025 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	6026 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6027 retval = do_sparse_diff (array.sparse_matrix_value (), order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6028 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6029 else if (array.is_single_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6030 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6031 if (array.is_complex_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6032 retval = array.float_complex_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6033 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6034 retval = array.float_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6035 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6036 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6037 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6038 if (array.is_complex_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6039 retval = array.complex_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6040 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6041 retval = array.array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6042 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6043
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6044 return retval;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6045 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6046
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6047 DEFUN (diff, args, ,
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6048 "-- texinfo --\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6049 @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	6050 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	6051 vector of first differences\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6052 @tex\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6053 $x_2 - x_1, \\ldots{}, x_n - x_{n-1}$.\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6054 @end tex\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6055 @ifnottex\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6056 @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	6057 @end ifnottex\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6058 \n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6059 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	6060 differences along the first non-singleton dimension.\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6061 \n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6062 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	6063 @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	6064 @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	6065 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	6066 @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	6067 non-singleton dimension.\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6068 \n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6069 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	6070 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	6071 @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	6072 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	6073 then an empty matrix is returned.\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6074 @end deftypefn")
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6075 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6076 int nargin = args.length ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6077 octave_value retval;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6078
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6079 if (nargin < 1 \|\| nargin > 3)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6080 print_usage ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6081 else if (! args(0).is_numeric_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6082 error ("diff: X must be numeric");
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6083
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6084 if (! error_state)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6085 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6086 int dim = -1;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6087 octave_idx_type order = 1;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6088 if (nargin > 1)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6089 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6090 if (args(1).is_scalar_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6091 order = args(1).idx_type_value (true, false);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6092 else if (! args(1).is_zero_by_zero ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6093 error ("order must be a scalar or []");
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6094 if (! error_state && order < 0)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6095 error ("order must be non-negative");
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6096 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6097
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6098 if (nargin > 2)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6099 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6100 dim = args(2).int_value (true, false);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6101 if (! error_state && (dim < 1 \|\| dim > args(0).ndims ()))
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6102 error ("needs a valid dimension");
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6103 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6104 dim -= 1;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6105 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6106
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6107 if (! error_state)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6108 retval = do_diff (args(0), order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6109 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6110
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6111 return retval;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6112 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6113
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6114 /*
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6115
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6116 %!assert (diff ([1, 2, 3, 4]), [1, 1, 1])
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6117 %!assert (diff ([1, 3, 7, 19], 2), [2, 8])
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6118 %!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	6119 %!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	6120 %!assert (isempty (diff (1)));
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6121
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6122 %!error diff ([1, 2; 3, 4], -1);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6123
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6124 %!error diff ("foo");
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6125
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6126 %!error diff ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6127
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6128 %!error diff (1, 2, 3, 4);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6129
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6130 */

Mercurial > hg > octave-lyh

annotate src/data.cc @ 10435:6a271334750c