octave-lyh: src/data.cc annotate

annotate src/data.cc @ 11357:903c1a3df301

Add additional tests for mod with non-integer real values.

author	Rik <octave@nomad.inbox5.com>
date	Mon, 13 Dec 2010 20:39:37 -0800
parents	0090bb47d0b5
children	a9a3ee461b83

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\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	150 corresponding column of the matrix are nonzero. For example:\n\
3369 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\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 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
10538 26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	285 static octave_value
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	286 do_hypot (const octave_value& x, const octave_value& y)
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	287 {
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	288 octave_value retval;
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	289
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	290 octave_value arg0 = x, arg1 = y;
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	291 if (! arg0.is_numeric_type ())
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	292 gripe_wrong_type_arg ("hypot", arg0);
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	293 else if (! arg1.is_numeric_type ())
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	294 gripe_wrong_type_arg ("hypot", arg1);
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	295 else
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	296 {
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	297 if (arg0.is_complex_type ())
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	298 arg0 = arg0.abs ();
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	299 if (arg1.is_complex_type ())
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	300 arg1 = arg1.abs ();
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	301
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	302 if (arg0.is_single_type () \|\| arg1.is_single_type ())
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	303 {
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	304 if (arg0.is_scalar_type () && arg1.is_scalar_type ())
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	305 retval = hypotf (arg0.float_value (), arg1.float_value ());
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	306 else
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	307 {
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	308 FloatNDArray a0 = arg0.float_array_value ();
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	309 FloatNDArray a1 = arg1.float_array_value ();
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	310 retval = binmap<float> (a0, a1, ::hypotf, "hypot");
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	311 }
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	312 }
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	313 else
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	314 {
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	315 bool a0_scalar = arg0.is_scalar_type ();
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	316 bool a1_scalar = arg1.is_scalar_type ();
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	317 if (a0_scalar && a1_scalar)
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	318 retval = hypot (arg0.scalar_value (), arg1.scalar_value ());
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	319 else if ((a0_scalar \|\| arg0.is_sparse_type ())
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	320 && (a1_scalar \|\| arg1.is_sparse_type ()))
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	321 {
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	322 SparseMatrix m0 = arg0.sparse_matrix_value ();
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	323 SparseMatrix m1 = arg1.sparse_matrix_value ();
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	324 retval = binmap<double> (m0, m1, ::hypot, "hypot");
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	325 }
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	326 else
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	327 {
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	328 NDArray a0 = arg0.array_value ();
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	329 NDArray a1 = arg1.array_value ();
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	330 retval = binmap<double> (a0, a1, ::hypot, "hypot");
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	331 }
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	332 }
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	333 }
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	334
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	335 return retval;
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	336 }
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	337
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	338 DEFUN (hypot, args, ,
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	339 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	340 @deftypefn {Built-in Function} {} hypot (@var{x}, @var{y})\n\
10711 fbd7843974fa Periodic grammar check of documentation files to ensure common format. Rik <octave@nomad.inbox5.com> parents: 10707 diff changeset	341 @deftypefnx {Built-in Function} {} hypot (@var{x}, @var{y}, @var{z}, @dots{})\n\
9165 8c71a86c4bf4 Update section 17.5 (Utility Functions) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9163 diff changeset	342 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	343 @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	344 @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	345 avoids overflows for large values of @var{x} or @var{y}.\n\
10538 26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	346 @code{hypot} can also be called with more than 2 arguments; in this case,\n\
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	347 the arguments are accumulated from left to right:\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	348 \n\
10538 26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	349 @example\n\
10711 fbd7843974fa Periodic grammar check of documentation files to ensure common format. Rik <octave@nomad.inbox5.com> parents: 10707 diff changeset	350 @group\n\
10538 26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	351 hypot (hypot (@var{x}, @var{y}), @var{z})\n\
10711 fbd7843974fa Periodic grammar check of documentation files to ensure common format. Rik <octave@nomad.inbox5.com> parents: 10707 diff changeset	352 hypot (hypot (hypot (@var{x}, @var{y}), @var{z}), @var{w}), etc.\n\
fbd7843974fa Periodic grammar check of documentation files to ensure common format. Rik <octave@nomad.inbox5.com> parents: 10707 diff changeset	353 @end group\n\
10538 26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	354 @end example\n\
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	355 @end deftypefn")
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	356 {
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	357 octave_value retval;
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	358
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	359 int nargin = args.length ();
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	360
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	361 if (nargin == 2)
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	362 {
10538 26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	363 retval = do_hypot (args(0), args(1));
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	364 }
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	365 else if (nargin >= 3)
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	366 {
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	367 retval = args(0);
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	368 for (int i = 1; i < nargin && ! error_state; i++)
26673015caec extend hypot to accept >2 args Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	369 retval = do_hypot (retval, args(i));
7631 b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	370 }
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	371 else
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	372 print_usage ();
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	373
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	374 return retval;
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	375 }
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	376
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	377 /*
7741 72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	378 %!assert (size (hypot (zeros (0, 2), zeros (0, 2))), [0, 2])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	379 %!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	380 %!assert (size (hypot (rand (2, 3, 4), 1)), [2, 3, 4])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	381 %!assert (size (hypot (1, rand (2, 3, 4))), [2, 3, 4])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	382 %!assert (size (hypot (1, 2)), [1, 1])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	383 %!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	384 %!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	385 */
b2a5cda5c549 Add the hypot function David Bateman <dbateman@free.fr> parents: 7623 diff changeset	386
9813 8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	387 template<typename T, typename ET>
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	388 void
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	389 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	390 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	391 f = Array<T>(x.dims ());
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	392 e = Array<ET>(x.dims ());
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	393 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	394 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	395 int exp;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	396 f.xelem (i) = xlog2 (x(i), exp);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	397 e.xelem (i) = exp;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	398 }
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
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	401 DEFUN (log2, args, nargout,
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	402 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	403 @deftypefn {Mapping Function} {} log2 (@var{x})\n\
9813 8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	404 @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	405 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	406 \n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	407 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	408 binary mantissa and exponent so that\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	409 @tex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	410 ${1 \\over 2} \\le \\left\| f \\right\| < 1$\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	411 @end tex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	412 @ifnottex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	413 @code{1/2 <= abs(f) < 1}\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	414 @end ifnottex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	415 and @var{e} is an integer. If\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	416 @tex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	417 $x = 0$, $f = e = 0$.\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	418 @end tex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	419 @ifnottex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	420 @code{x = 0}, @code{f = e = 0}.\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	421 @end ifnottex\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	422 @seealso{pow2, log, log10, exp}\n\
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	423 @end deftypefn")
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	424 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	425 octave_value_list retval;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	426
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	427 if (args.length () == 1)
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	428 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	429 if (nargout < 2)
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	430 retval(0) = args(0).log2 ();
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	431 else if (args(0).is_single_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	432 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	433 if (args(0).is_real_type ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	434 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	435 FloatNDArray f;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	436 FloatNDArray x = args(0).float_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	437 // FIXME -- should E be an int value?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	438 FloatMatrix e;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	439 map_2_xlog2 (x, f, e);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	440 retval (1) = e;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	441 retval (0) = f;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	442 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	443 else if (args(0).is_complex_type ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	444 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	445 FloatComplexNDArray f;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	446 FloatComplexNDArray x = args(0).float_complex_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	447 // FIXME -- should E be an int value?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	448 FloatNDArray e;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	449 map_2_xlog2 (x, f, e);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	450 retval (1) = e;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	451 retval (0) = f;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	452 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	453 }
9813 8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	454 else if (args(0).is_real_type ())
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	455 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	456 NDArray f;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	457 NDArray x = args(0).array_value ();
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	458 // FIXME -- should E be an int value?
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	459 Matrix e;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	460 map_2_xlog2 (x, f, e);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	461 retval (1) = e;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	462 retval (0) = f;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	463 }
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	464 else if (args(0).is_complex_type ())
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	465 {
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	466 ComplexNDArray f;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	467 ComplexNDArray x = args(0).complex_array_value ();
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	468 // FIXME -- should E be an int value?
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	469 NDArray e;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	470 map_2_xlog2 (x, f, e);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	471 retval (1) = e;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	472 retval (0) = f;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	473 }
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	474 else
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	475 gripe_wrong_type_arg ("log2", args(0));
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	476 }
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	477 else
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	478 print_usage ();
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	479
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	480 return retval;
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	481 }
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	482
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	483 /*
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	484 %!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	485 %!assert(log2(Inf), Inf);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	486 %!assert(isnan(log2(NaN)));
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	487 %!assert(log2(4i), 2 + log2(1i));
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	488 %!assert(log2(complex(0,Inf)), Inf + log2(i));
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	489
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	490 %!test
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	491 %! [f, e] = log2 ([0,-1; 2,-4; Inf,-Inf]);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	492 %! 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	493 %! assert (e(1:2,:), [0,1;2,3])
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	494
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	495 %!test
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	496 %! [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	497 %! 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	498 %! assert (e(1:2,:), [0,1; 2,3]);
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	499 */
8fa32b527d9a improve & partially revert previous change Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	500
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	501 DEFUN (rem, args, ,
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	502 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	503 @deftypefn {Mapping Function} {} rem (@var{x}, @var{y})\n\
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	504 @deftypefnx {Mapping Function} {} fmod (@var{x}, @var{y})\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	505 Return the remainder of the division @code{@var{x} / @var{y}}, computed \n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	506 using the expression\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	507 \n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	508 @example\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	509 x - y .* fix (x ./ y)\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	510 @end example\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	511 \n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	512 An error message is printed if the dimensions of the arguments do not\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	513 agree, or if either of the arguments is complex.\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	514 @seealso{mod}\n\
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	515 @end deftypefn")
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	516 {
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	517 octave_value retval;
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	518
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	519 int nargin = args.length ();
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	520
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	521 if (nargin == 2)
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	522 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	523 if (! args(0).is_numeric_type ())
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	524 gripe_wrong_type_arg ("rem", args(0));
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	525 else if (! args(1).is_numeric_type ())
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	526 gripe_wrong_type_arg ("rem", args(1));
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	527 else if (args(0).is_complex_type () \|\| args(1).is_complex_type ())
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	528 error ("rem: not defined for complex numbers");
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	529 else if (args(0).is_integer_type () \|\| args(1).is_integer_type ())
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	530 {
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	531 builtin_type_t btyp0 = args(0).builtin_type ();
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	532 builtin_type_t btyp1 = args(1).builtin_type ();
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	533 if (btyp0 == btyp_double \|\| btyp0 == btyp_float)
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	534 btyp0 = btyp1;
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	535 if (btyp1 == btyp_double \|\| btyp1 == btyp_float)
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	536 btyp1 = btyp0;
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	537
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	538 if (btyp0 == btyp1)
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	539 {
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	540 switch (btyp0)
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	541 {
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	542 #define MAKE_INT_BRANCH(X) \
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	543 case btyp_ ## X: \
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	544 { \
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	545 X##NDArray a0 = args(0).X##_array_value (); \
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	546 X##NDArray a1 = args(1).X##_array_value (); \
10682 7b4ffe27bbb4 Specify template arguments explicitely [MSVC]. Michael Goffioul <michael.goffioul@gmail.com> parents: 10538 diff changeset	547 retval = binmap<octave_##X,octave_##X,octave_##X> (a0, a1, rem, "rem"); \
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	548 } \
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	549 break
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	550 MAKE_INT_BRANCH (int8);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	551 MAKE_INT_BRANCH (int16);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	552 MAKE_INT_BRANCH (int32);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	553 MAKE_INT_BRANCH (int64);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	554 MAKE_INT_BRANCH (uint8);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	555 MAKE_INT_BRANCH (uint16);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	556 MAKE_INT_BRANCH (uint32);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	557 MAKE_INT_BRANCH (uint64);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	558 #undef MAKE_INT_BRANCH
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	559 default:
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	560 panic_impossible ();
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	561 }
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	562 }
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	563 else
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	564 error ("rem: cannot combine %s and %d",
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	565 args(0).class_name ().c_str (), args(1).class_name ().c_str ());
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	566 }
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	567 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	568 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	569 if (args(0).is_scalar_type () && args(1).is_scalar_type ())
11209 94d9d412a2a0 improve Matlab compatibility of rem and mod John W. Eaton <jwe@octave.org> parents: 10983 diff changeset	570 retval = xrem (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	571 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	572 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	573 FloatNDArray a0 = args(0).float_array_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	574 FloatNDArray a1 = args(1).float_array_value ();
11209 94d9d412a2a0 improve Matlab compatibility of rem and mod John W. Eaton <jwe@octave.org> parents: 10983 diff changeset	575 retval = binmap<float> (a0, a1, xrem, "rem");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	576 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	577 }
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	578 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	579 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	580 bool a0_scalar = args(0).is_scalar_type ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	581 bool a1_scalar = args(1).is_scalar_type ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	582 if (a0_scalar && a1_scalar)
11209 94d9d412a2a0 improve Matlab compatibility of rem and mod John W. Eaton <jwe@octave.org> parents: 10983 diff changeset	583 retval = xrem (args(0).scalar_value (), args(1).scalar_value ());
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	584 else if ((a0_scalar \|\| args(0).is_sparse_type ())
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	585 && (a1_scalar \|\| args(1).is_sparse_type ()))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	586 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	587 SparseMatrix m0 = args(0).sparse_matrix_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	588 SparseMatrix m1 = args(1).sparse_matrix_value ();
11209 94d9d412a2a0 improve Matlab compatibility of rem and mod John W. Eaton <jwe@octave.org> parents: 10983 diff changeset	589 retval = binmap<double> (m0, m1, xrem, "rem");
10315 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 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	592 {
10435 6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	593 NDArray a0 = args(0).array_value ();
6a271334750c implement general binary mapping facility Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	594 NDArray a1 = args(1).array_value ();
11209 94d9d412a2a0 improve Matlab compatibility of rem and mod John W. Eaton <jwe@octave.org> parents: 10983 diff changeset	595 retval = binmap<double> (a0, a1, xrem, "rem");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	596 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	597 }
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	598 }
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	599 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	600 print_usage ();
4311 a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	601
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	602 return retval;
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	603 }
a9e0bff33b02 [project @ 2003-01-30 04:11:58 by jwe] jwe parents: 4303 diff changeset	604
7506 798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	605 /*
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	606
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	607 %!assert(rem ([1, 2, 3; -1, -2, -3], 2), [1, 0, 1; -1, 0, -1]);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	608 %!assert(rem ([1, 2, 3; -1, -2, -3], 2 * ones (2, 3)),[1, 0, 1; -1, 0, -1]);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	609 %!error rem ();
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	610 %!error rem (1, 2, 3);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	611 %!error rem ([1, 2], [3, 4, 5]);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	612 %!error rem (i, 1);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	613 %!assert(rem (uint8([1, 2, 3; -1, -2, -3]), uint8 (2)), uint8([1, 0, 1; -1, 0, -1]));
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	614 %!assert(uint8(rem ([1, 2, 3; -1, -2, -3], 2 * ones (2, 3))),uint8([1, 0, 1; -1, 0, -1]));
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	615 %!error rem (uint(8),int8(5));
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	616 %!error rem (uint8([1, 2]), uint8([3, 4, 5]));
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	617
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	618 */
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	619
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	620 /*
7741 72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	621 %!assert (size (fmod (zeros (0, 2), zeros (0, 2))), [0, 2])
72c0489653ac fix tests John W. Eaton <jwe@octave.org> parents: 7740 diff changeset	622 %!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	623 %!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	624 %!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	625 %!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	626 */
798b0a00e80c atan2, fmod: accept N-d arrays John W. Eaton <jwe@octave.org> parents: 7505 diff changeset	627
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	628 DEFALIAS (fmod, rem)
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	629
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	630 DEFUN (mod, args, ,
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	631 "-- texinfo --\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	632 @deftypefn {Mapping Function} {} mod (@var{x}, @var{y})\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	633 Compute the modulo of @var{x} and @var{y}. Conceptually this is given by\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	634 \n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	635 @example\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	636 x - y .* floor (x ./ y)\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	637 @end example\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	638 \n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	639 @noindent\n\
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	640 and is written such that the correct modulus is returned for\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	641 integer types. This function handles negative values correctly. That\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	642 is, @code{mod (-1, 3)} is 2, not -1, as @code{rem (-1, 3)} returns.\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	643 @code{mod (@var{x}, 0)} returns @var{x}.\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	644 \n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	645 An error results if the dimensions of the arguments do not agree, or if\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	646 either of the arguments is complex.\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	647 @seealso{rem}\n\
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	648 @end deftypefn")
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	649 {
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	650 octave_value retval;
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	651
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	652 int nargin = args.length ();
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	653
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	654 if (nargin == 2)
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	655 {
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	656 if (! args(0).is_numeric_type ())
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	657 gripe_wrong_type_arg ("mod", args(0));
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	658 else if (! args(1).is_numeric_type ())
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	659 gripe_wrong_type_arg ("mod", args(1));
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	660 else if (args(0).is_complex_type () \|\| args(1).is_complex_type ())
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	661 error ("mod: not defined for complex numbers");
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	662 else if (args(0).is_integer_type () \|\| args(1).is_integer_type ())
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	663 {
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	664 builtin_type_t btyp0 = args(0).builtin_type ();
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	665 builtin_type_t btyp1 = args(1).builtin_type ();
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	666 if (btyp0 == btyp_double \|\| btyp0 == btyp_float)
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	667 btyp0 = btyp1;
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	668 if (btyp1 == btyp_double \|\| btyp1 == btyp_float)
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	669 btyp1 = btyp0;
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	670
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	671 if (btyp0 == btyp1)
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	672 {
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	673 switch (btyp0)
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	674 {
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	675 #define MAKE_INT_BRANCH(X) \
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	676 case btyp_ ## X: \
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	677 { \
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	678 X##NDArray a0 = args(0).X##_array_value (); \
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	679 X##NDArray a1 = args(1).X##_array_value (); \
10682 7b4ffe27bbb4 Specify template arguments explicitely [MSVC]. Michael Goffioul <michael.goffioul@gmail.com> parents: 10538 diff changeset	680 retval = binmap<octave_##X,octave_##X,octave_##X> (a0, a1, mod, "mod"); \
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	681 } \
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	682 break
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	683 MAKE_INT_BRANCH (int8);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	684 MAKE_INT_BRANCH (int16);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	685 MAKE_INT_BRANCH (int32);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	686 MAKE_INT_BRANCH (int64);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	687 MAKE_INT_BRANCH (uint8);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	688 MAKE_INT_BRANCH (uint16);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	689 MAKE_INT_BRANCH (uint32);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	690 MAKE_INT_BRANCH (uint64);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	691 #undef MAKE_INT_BRANCH
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	692 default:
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	693 panic_impossible ();
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	694 }
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	695 }
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	696 else
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	697 error ("mod: cannot combine %s and %d",
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	698 args(0).class_name ().c_str (), args(1).class_name ().c_str ());
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	699 }
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	700 else if (args(0).is_single_type () \|\| args(1).is_single_type ())
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	701 {
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	702 if (args(0).is_scalar_type () && args(1).is_scalar_type ())
11209 94d9d412a2a0 improve Matlab compatibility of rem and mod John W. Eaton <jwe@octave.org> parents: 10983 diff changeset	703 retval = xmod (args(0).float_value (), args(1).float_value ());
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	704 else
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	705 {
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	706 FloatNDArray a0 = args(0).float_array_value ();
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	707 FloatNDArray a1 = args(1).float_array_value ();
11209 94d9d412a2a0 improve Matlab compatibility of rem and mod John W. Eaton <jwe@octave.org> parents: 10983 diff changeset	708 retval = binmap<float> (a0, a1, xmod, "mod");
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	709 }
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	710 }
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	711 else
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	712 {
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	713 bool a0_scalar = args(0).is_scalar_type ();
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	714 bool a1_scalar = args(1).is_scalar_type ();
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	715 if (a0_scalar && a1_scalar)
11209 94d9d412a2a0 improve Matlab compatibility of rem and mod John W. Eaton <jwe@octave.org> parents: 10983 diff changeset	716 retval = xmod (args(0).scalar_value (), args(1).scalar_value ());
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	717 else if ((a0_scalar \|\| args(0).is_sparse_type ())
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	718 && (a1_scalar \|\| args(1).is_sparse_type ()))
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	719 {
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	720 SparseMatrix m0 = args(0).sparse_matrix_value ();
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	721 SparseMatrix m1 = args(1).sparse_matrix_value ();
11209 94d9d412a2a0 improve Matlab compatibility of rem and mod John W. Eaton <jwe@octave.org> parents: 10983 diff changeset	722 retval = binmap<double> (m0, m1, xmod, "mod");
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	723 }
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	724 else
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	725 {
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	726 NDArray a0 = args(0).array_value ();
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	727 NDArray a1 = args(1).array_value ();
11209 94d9d412a2a0 improve Matlab compatibility of rem and mod John W. Eaton <jwe@octave.org> parents: 10983 diff changeset	728 retval = binmap<double> (a0, a1, xmod, "mod");
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	729 }
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	730 }
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	731 }
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	732 else
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	733 print_usage ();
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	734
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	735 return retval;
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	736 }
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	737
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	738 /*
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	739 ## empty input test
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	740 %!assert (isempty(mod([], [])));
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	741
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	742 ## x mod y, y != 0 tests
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	743 %!assert (mod(5, 3), 2);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	744 %!assert (mod(-5, 3), 1);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	745 %!assert (mod(0, 3), 0);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	746 %!assert (mod([-5, 5, 0], [3, 3, 3]), [1, 2, 0]);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	747 %!assert (mod([-5; 5; 0], [3; 3; 3]), [1; 2; 0]);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	748 %!assert (mod([-5, 5; 0, 3], [3, 3 ; 3, 1]), [1, 2 ; 0, 0]);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	749
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	750 ## x mod 0 tests
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	751 %!assert (mod(5, 0), 5);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	752 %!assert (mod(-5, 0), -5);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	753 %!assert (mod([-5, 5, 0], [3, 0, 3]), [1, 5, 0]);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	754 %!assert (mod([-5; 5; 0], [3; 0; 3]), [1; 5; 0]);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	755 %!assert (mod([-5, 5; 0, 3], [3, 0 ; 3, 1]), [1, 5 ; 0, 0]);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	756 %!assert (mod([-5, 5; 0, 3], [0, 0 ; 0, 0]), [-5, 5; 0, 3]);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	757
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	758 ## mixed scalar/matrix tests
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	759 %!assert (mod([-5, 5; 0, 3], 0), [-5, 5; 0, 3]);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	760 %!assert (mod([-5, 5; 0, 3], 3), [1, 2; 0, 0]);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	761 %!assert (mod(-5,[0,0; 0,0]), [-5, -5; -5, -5]);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	762 %!assert (mod(-5,[3,0; 3,1]), [1, -5; 1, 0]);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	763 %!assert (mod(-5,[3,2; 3,1]), [1, 1; 1, 0]);
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	764
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	765 ## integer types
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	766 %!assert (mod(uint8(5),uint8(4)),uint8(1))
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	767 %!assert (mod(uint8([1:5]),uint8(4)),uint8([1,2,3,0,1]))
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	768 %!assert (mod(uint8([1:5]),uint8(0)),uint8([1:5]))
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	769 %!error (mod(uint8(5),int8(4)))
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	770
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	771 ## mixed integer/real types
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	772 %!assert (mod(uint8(5),4),uint8(1))
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	773 %!assert (mod(5,uint8(4)),uint8(1))
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	774 %!assert (mod(uint8([1:5]),4),uint8([1,2,3,0,1]))
11357 903c1a3df301 Add additional tests for mod with non-integer real values. Rik <octave@nomad.inbox5.com> parents: 11242 diff changeset	775
903c1a3df301 Add additional tests for mod with non-integer real values. Rik <octave@nomad.inbox5.com> parents: 11242 diff changeset	776 ## non-integer real numbers
903c1a3df301 Add additional tests for mod with non-integer real values. Rik <octave@nomad.inbox5.com> parents: 11242 diff changeset	777 %!assert (mod (2.1, 0.1), 0)
903c1a3df301 Add additional tests for mod with non-integer real values. Rik <octave@nomad.inbox5.com> parents: 11242 diff changeset	778 %!assert (mod (2.1, 0.2), 0.1, eps)
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	779 */
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10435 diff changeset	780
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	781 // 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	782
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	783 #define NATIVE_REDUCTION_1(FCN, TYPE, DIM) \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	784 (arg.is_ ## TYPE ## _type ()) \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	785 { \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	786 TYPE ## NDArray tmp = arg. TYPE ##_array_value (); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	787 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	788 if (! error_state) \
8780 ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	789 { \
ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	790 retval = tmp.FCN (DIM); \
ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	791 } \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	792 }
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	793
8780 ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	794 #define NATIVE_REDUCTION(FCN, BOOL_FCN) \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	795 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	796 octave_value retval; \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	797 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	798 int nargin = args.length (); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	799 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	800 bool isnative = false; \
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	801 bool isdouble = false; \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	802 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	803 if (nargin > 1 && args(nargin - 1).is_string ()) \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	804 { \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	805 std::string str = args(nargin - 1).string_value (); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	806 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	807 if (! error_state) \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	808 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	809 if (str == "native") \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	810 isnative = true; \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	811 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	812 isdouble = true; \
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	813 else \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	814 error ("sum: unrecognized string argument"); \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	815 nargin --; \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	816 } \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	817 } \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	818 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	819 if (nargin == 1 \|\| nargin == 2) \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	820 { \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	821 octave_value arg = args(0); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	822 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	823 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	824 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	825 if (! error_state) \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	826 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	827 if (dim >= -1) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	828 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	829 if (arg.is_sparse_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	830 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	831 if (arg.is_real_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	832 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	833 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	834 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	835 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	836 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	837 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	838 else \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	839 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	840 SparseComplexMatrix tmp = arg.sparse_complex_matrix_value (); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	841 \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	842 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	843 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	844 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	845 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	846 else \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	847 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	848 if (isnative) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	849 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	850 if NATIVE_REDUCTION_1 (FCN, uint8, dim) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	851 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	852 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	853 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	854 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	855 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	856 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	857 else if NATIVE_REDUCTION_1 (FCN, int64, dim) \
8756 d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	858 else if (arg.is_bool_type ()) \
d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	859 { \
8780 ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	860 boolNDArray tmp = arg.bool_array_value (); \
8756 d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	861 if (! error_state) \
8780 ea76466605ba support native cumsum, gripe on overflow in sum/cumsum Jaroslav Hajek <highegg@gmail.com> parents: 8756 diff changeset	862 retval = boolNDArray (tmp.BOOL_FCN (dim)); \
8756 d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	863 } \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	864 else if (arg.is_char_matrix ()) \
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	865 { \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	866 error (#FCN, ": invalid char type"); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	867 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	868 else if (!isdouble && arg.is_single_type ()) \
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	869 { \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	870 if (arg.is_complex_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	871 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	872 FloatComplexNDArray tmp = \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	873 arg.float_complex_array_value (); \
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	874 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	875 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	876 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	877 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	878 else if (arg.is_real_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	879 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	880 FloatNDArray tmp = arg.float_array_value (); \
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	881 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	882 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	883 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	884 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	885 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	886 else if (arg.is_complex_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	887 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	888 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	889 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	890 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	891 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	892 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	893 else if (arg.is_real_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	894 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	895 NDArray tmp = arg.array_value (); \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	896 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	897 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	898 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	899 } \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	900 else \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	901 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	902 gripe_wrong_type_arg (#FCN, arg); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	903 return retval; \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	904 } \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	905 } \
8756 d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	906 else if (arg.is_bool_type ()) \
d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	907 { \
d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	908 boolNDArray tmp = arg.bool_array_value (); \
d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	909 if (! error_state) \
d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	910 retval = tmp.FCN (dim); \
d0755c9db5ed implement fast logical sum (counting) Jaroslav Hajek <highegg@gmail.com> parents: 8734 diff changeset	911 } \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	912 else if (!isdouble && arg.is_single_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	913 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	914 if (arg.is_real_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	915 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	916 FloatNDArray tmp = arg.float_array_value (); \
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	917 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	918 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	919 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	920 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	921 else if (arg.is_complex_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	922 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	923 FloatComplexNDArray tmp = \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	924 arg.float_complex_array_value (); \
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	925 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	926 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	927 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	928 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	929 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	930 else if (arg.is_real_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	931 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	932 NDArray tmp = arg.array_value (); \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	933 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	934 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	935 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	936 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	937 else if (arg.is_complex_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	938 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	939 ComplexNDArray tmp = arg.complex_array_value (); \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	940 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	941 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	942 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	943 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	944 else \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	945 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	946 gripe_wrong_type_arg (#FCN, arg); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	947 return retval; \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	948 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	949 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	950 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	951 else \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	952 error (#FCN ": invalid dimension argument = %d", dim + 1); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	953 } \
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	954 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	955 } \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	956 else \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	957 print_usage (); \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	958 \
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	959 return retval
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	960
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	961 #define DATA_REDUCTION(FCN) \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	962 \
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4176 diff changeset	963 octave_value retval; \
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	964 \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	965 int nargin = args.length (); \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	966 \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	967 if (nargin == 1 \|\| nargin == 2) \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	968 { \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	969 octave_value arg = args(0); \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	970 \
3864 e78705239df5 [project @ 2001-11-16 12:56:20 by jwe] jwe parents: 3797 diff changeset	971 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	972 \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	973 if (! error_state) \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	974 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	975 if (dim >= -1) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	976 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	977 if (arg.is_real_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	978 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	979 if (arg.is_sparse_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	980 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	981 SparseMatrix tmp = arg.sparse_matrix_value (); \
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	982 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	983 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	984 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	985 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	986 else if (arg.is_single_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	987 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	988 FloatNDArray tmp = arg.float_array_value (); \
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	989 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	990 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	991 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	992 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	993 else \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	994 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	995 NDArray tmp = arg.array_value (); \
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7506 diff changeset	996 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	997 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	998 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	999 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1000 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1001 else if (arg.is_complex_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1002 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1003 if (arg.is_sparse_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1004 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1005 SparseComplexMatrix tmp = arg.sparse_complex_matrix_value (); \
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1006 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1007 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1008 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1009 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1010 else if (arg.is_single_type ()) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1011 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1012 FloatComplexNDArray tmp = arg.float_complex_array_value (); \
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	1013 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1014 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1015 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1016 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1017 else \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1018 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1019 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	1020 \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1021 if (! error_state) \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1022 retval = tmp.FCN (dim); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1023 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1024 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1025 else \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1026 { \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1027 gripe_wrong_type_arg (#FCN, arg); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1028 return retval; \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1029 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1030 } \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1031 else \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1032 error (#FCN ": invalid dimension argument = %d", dim + 1); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1033 } \
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1034 } \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1035 else \
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	1036 print_usage (); \
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1037 \
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1038 return retval
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1039
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	1040 DEFUN (cumprod, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	1041 "-- texinfo --\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1042 @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	1043 @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	1044 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	1045 @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	1046 \n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1047 @seealso{prod, cumsum}\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	1048 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1049 {
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1050 DATA_REDUCTION (cumprod);
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1051 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1052
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1053 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1054
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1055 %!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	1056 %!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	1057 %!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	1058 %!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	1059
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1060 %!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	1061 %!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	1062 %!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	1063 %!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	1064
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1065 %!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	1066
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1067 %!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	1068 %!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	1069
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1070 %!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	1071 %!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	1072
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1073 */
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1074
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	1075 DEFUN (cumsum, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	1076 "-- texinfo --\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1077 @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	1078 @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	1079 @deftypefnx {Built-in Function} {} cumsum (@dots{}, 'native')\n\
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1080 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	1081 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	1082 \n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1083 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	1084 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	1085 \"native\".\n\
9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1086 @seealso{sum, cumprod}\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	1087 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1088 {
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1089 octave_value retval;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1090
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1091 int nargin = args.length ();
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1092
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1093 bool isnative = false;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1094 bool isdouble = false;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1095
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1096 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	1097 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1098 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	1099
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1100 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1101 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1102 if (str == "native")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1103 isnative = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1104 else if (str == "double")
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1105 isdouble = true;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1106 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1107 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	1108 nargin --;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1109 }
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1110 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1111
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1112 if (error_state)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1113 return retval;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1114
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1115 if (nargin == 1 \|\| nargin == 2)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1116 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1117 octave_value arg = args(0);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1118
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1119 int dim = -1;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1120 if (nargin == 2)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1121 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1122 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	1123 if (dim < 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1124 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	1125 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1126
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1127 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1128 {
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1129 switch (arg.builtin_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1130 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1131 case btyp_double:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1132 if (arg.is_sparse_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1133 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	1134 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1135 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	1136 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1137 case btyp_complex:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1138 if (arg.is_sparse_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1139 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	1140 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1141 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	1142 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1143 case btyp_float:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1144 if (isdouble)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1145 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	1146 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1147 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	1148 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1149 case btyp_float_complex:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1150 if (isdouble)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1151 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	1152 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1153 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	1154 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1155
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1156 #define MAKE_INT_BRANCH(X) \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1157 case btyp_ ## X: \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1158 if (isnative) \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1159 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	1160 else \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1161 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	1162 break
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1163 MAKE_INT_BRANCH (int8);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1164 MAKE_INT_BRANCH (int16);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1165 MAKE_INT_BRANCH (int32);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1166 MAKE_INT_BRANCH (int64);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1167 MAKE_INT_BRANCH (uint8);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1168 MAKE_INT_BRANCH (uint16);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1169 MAKE_INT_BRANCH (uint32);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1170 MAKE_INT_BRANCH (uint64);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1171 #undef MAKE_INT_BRANCH
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1172
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1173 case btyp_bool:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1174 if (arg.is_sparse_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1175 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1176 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	1177 if (isnative)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1178 retval = cs != 0.0;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1179 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1180 retval = cs;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1181 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1182 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1183 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1184 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	1185 if (isnative)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1186 retval = cs != 0.0;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1187 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1188 retval = cs;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1189 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1190 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1191
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1192 default:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1193 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	1194 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1195 }
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1196 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1197 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1198 print_usage ();
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1199
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	1200 return retval;
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1201 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1202
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1203 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1204
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1205 %!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	1206 %!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	1207 %!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	1208 %!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	1209
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1210 %!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	1211 %!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	1212 %!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	1213 %!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	1214
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1215 %!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	1216
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1217 %!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	1218 %!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	1219
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1220 %!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	1221 %!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	1222
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1223 */
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1224
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	1225 DEFUN (diag, args, ,
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1226 "-- texinfo --\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1227 @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	1228 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	1229 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	1230 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	1231 @var{-k}-th sub-diagonal. The default value of @var{k} is 0, and the\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	1232 vector is placed on the main diagonal. For example:\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1233 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1234 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1235 @group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1236 diag ([1, 2, 3], 1)\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1237 @result{} 0 1 0 0\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1238 0 0 2 0\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1239 0 0 0 3\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1240 0 0 0 0\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1241 @end group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1242 @end example\n\
6772 315bc7c8f9b5 [project @ 2007-07-10 09:51:39 by dbateman] dbateman parents: 6688 diff changeset	1243 \n\
315bc7c8f9b5 [project @ 2007-07-10 09:51:39 by dbateman] dbateman parents: 6688 diff changeset	1244 @noindent\n\
315bc7c8f9b5 [project @ 2007-07-10 09:51:39 by dbateman] dbateman parents: 6688 diff changeset	1245 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	1246 @var{k}-th diagonal of the matrix.\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	1247 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1248 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4176 diff changeset	1249 octave_value retval;
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1250
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1251 int nargin = args.length ();
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1252
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	1253 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	1254 retval = args(0).diag();
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	1255 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	1256 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7618 diff changeset	1257 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	1258
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7618 diff changeset	1259 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1260 error ("diag: invalid second argument");
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7618 diff changeset	1261 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1262 retval = args(0).diag(k);
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7618 diff changeset	1263 }
8366 8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1264 else if (nargin == 3)
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1265 {
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1266 octave_value arg0 = args(0);
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1267 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	1268 {
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1269 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	1270 if (! error_state)
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1271 retval = arg0.diag ().resize (dim_vector (m, n));
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1272 else
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1273 error ("diag: invalid dimensions");
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1274 }
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1275 else
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1276 error ("diag: first argument must be a vector");
8b1a2555c4e2 implement diagonal matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8347 diff changeset	1277 }
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1278 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	1279 print_usage ();
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1280
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1281 return retval;
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1282 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1283
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1284 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1285
8459 d17874a6f161 improve indexing of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8458 diff changeset	1286 %!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	1287 %!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	1288 %!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	1289 %!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	1290 %!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	1291
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1292 %!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	1293 %!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	1294 %!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	1295
8459 d17874a6f161 improve indexing of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8458 diff changeset	1296 %!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	1297 %!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	1298 %!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	1299 %!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	1300 %!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	1301
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1302 %!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	1303 %!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	1304 %!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	1305
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1306 %!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	1307 %!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	1308 %!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	1309 %!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	1310 %!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	1311
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1312 %!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	1313 %!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	1314 %!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	1315
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1316 %!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	1317
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1318 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1319
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	1320 DEFUN (prod, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	1321 "-- texinfo --\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	1322 @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	1323 @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	1324 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	1325 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	1326 @seealso{cumprod, sum}\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	1327 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1328 {
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	1329 DATA_REDUCTION (prod);
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1330 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	1331
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1332 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1333
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1334 %!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	1335 %!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	1336 %!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	1337 %!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	1338
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1339 %!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	1340 %!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	1341 %!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	1342 %!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	1343
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1344 %!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	1345
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1346 %!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	1347 %!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	1348 %!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	1349 %!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	1350 %!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	1351 %!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	1352 %!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	1353 %!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	1354 %!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	1355 %!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	1356 %!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	1357 %!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	1358 %!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	1359 %!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	1360
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1361 %!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	1362 %!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	1363 %!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	1364 %!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	1365 %!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	1366 %!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	1367 %!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	1368 %!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	1369 %!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	1370 %!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	1371 %!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	1372 %!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	1373 %!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	1374 %!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	1375
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1376 */
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1377
10758 f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1378 static bool
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1379 all_scalar_1x1 (const octave_value_list& args)
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1380 {
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1381 int n_args = args.length ();
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1382 for (int i = 0; i < n_args; i++)
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1383 if (args(i).numel () != 1)
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1384 return false;
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1385
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1386 return true;
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1387 }
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1388
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1389 template <class TYPE, class T>
10498 8615b55b5caf fix & improve cat (bug #29465) Jaroslav Hajek <highegg@gmail.com> parents: 10436 diff changeset	1390 static void
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1391 single_type_concat (Array<T>& result,
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1392 const octave_value_list& args,
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1393 int dim)
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1394 {
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1395 int n_args = args.length ();
10758 f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1396 if (! (equal_types<T, char>::value
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1397 \|\| equal_types<T, octave_value>::value)
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1398 && all_scalar_1x1 (args))
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1399 {
10758 f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1400 // Optimize all scalars case.
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1401 dim_vector dv (1, 1);
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1402 if (dim == -1 \|\| dim == -2)
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1403 dim = -dim - 1;
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1404 else if (dim >= 2)
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1405 dv.resize (dim+1, 1);
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1406 dv(dim) = n_args;
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1407
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1408 result.clear (dv);
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1409
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1410 for (int j = 0; j < n_args && ! error_state; j++)
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1411 {
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1412 octave_quit ();
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1413
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1414 result(j) = octave_value_extract<T> (args(j));
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1415 }
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1416 }
10758 f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1417 else
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1418 {
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1419 OCTAVE_LOCAL_BUFFER (Array<T>, array_list, n_args);
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1420
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1421 for (int j = 0; j < n_args && ! error_state; j++)
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1422 {
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1423 octave_quit ();
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1424
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1425 array_list[j] = octave_value_extract<TYPE> (args(j));
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1426 }
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1427
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1428 if (! error_state)
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1429 result = Array<T>::cat (dim, n_args, array_list);
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1430 }
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1431 }
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1432
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1433 template <class TYPE, class T>
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1434 static void
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1435 single_type_concat (Sparse<T>& result,
10498 8615b55b5caf fix & improve cat (bug #29465) Jaroslav Hajek <highegg@gmail.com> parents: 10436 diff changeset	1436 const octave_value_list& args,
8615b55b5caf fix & improve cat (bug #29465) Jaroslav Hajek <highegg@gmail.com> parents: 10436 diff changeset	1437 int dim)
8615b55b5caf fix & improve cat (bug #29465) Jaroslav Hajek <highegg@gmail.com> parents: 10436 diff changeset	1438 {
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1439 int n_args = args.length ();
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1440 OCTAVE_LOCAL_BUFFER (Sparse<T>, sparse_list, n_args);
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1441
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1442 for (int j = 0; j < n_args && ! error_state; j++)
10498 8615b55b5caf fix & improve cat (bug #29465) Jaroslav Hajek <highegg@gmail.com> parents: 10436 diff changeset	1443 {
8615b55b5caf fix & improve cat (bug #29465) Jaroslav Hajek <highegg@gmail.com> parents: 10436 diff changeset	1444 octave_quit ();
8615b55b5caf fix & improve cat (bug #29465) Jaroslav Hajek <highegg@gmail.com> parents: 10436 diff changeset	1445
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1446 sparse_list[j] = octave_value_extract<TYPE> (args(j));
10498 8615b55b5caf fix & improve cat (bug #29465) Jaroslav Hajek <highegg@gmail.com> parents: 10436 diff changeset	1447 }
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1448
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1449 if (! error_state)
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1450 result = Sparse<T>::cat (dim, n_args, sparse_list);
10498 8615b55b5caf fix & improve cat (bug #29465) Jaroslav Hajek <highegg@gmail.com> parents: 10436 diff changeset	1451 }
8615b55b5caf fix & improve cat (bug #29465) Jaroslav Hajek <highegg@gmail.com> parents: 10436 diff changeset	1452
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1453 // Dispatcher.
10498 8615b55b5caf fix & improve cat (bug #29465) Jaroslav Hajek <highegg@gmail.com> parents: 10436 diff changeset	1454 template<class TYPE>
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1455 static TYPE
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1456 do_single_type_concat (const octave_value_list& args, int dim)
10498 8615b55b5caf fix & improve cat (bug #29465) Jaroslav Hajek <highegg@gmail.com> parents: 10436 diff changeset	1457 {
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1458 TYPE result;
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1459
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1460 single_type_concat<TYPE, typename TYPE::element_type> (result, args, dim);
10498 8615b55b5caf fix & improve cat (bug #29465) Jaroslav Hajek <highegg@gmail.com> parents: 10436 diff changeset	1461
8615b55b5caf fix & improve cat (bug #29465) Jaroslav Hajek <highegg@gmail.com> parents: 10436 diff changeset	1462 return result;
8615b55b5caf fix & improve cat (bug #29465) Jaroslav Hajek <highegg@gmail.com> parents: 10436 diff changeset	1463 }
8615b55b5caf fix & improve cat (bug #29465) Jaroslav Hajek <highegg@gmail.com> parents: 10436 diff changeset	1464
10758 f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1465 template<class MAP>
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1466 static void
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1467 single_type_concat_map (octave_map& result,
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1468 const octave_value_list& args,
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1469 int dim)
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1470 {
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1471 int n_args = args.length ();
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1472 OCTAVE_LOCAL_BUFFER (MAP, map_list, n_args);
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1473
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1474 for (int j = 0; j < n_args && ! error_state; j++)
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1475 {
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1476 octave_quit ();
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1477
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1478 map_list[j] = octave_value_extract<MAP> (args(j));
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1479 }
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1480
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1481 if (! error_state)
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1482 result = octave_map::cat (dim, n_args, map_list);
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1483 }
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1484
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1485 static octave_map
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1486 do_single_type_concat_map (const octave_value_list& args,
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1487 int dim)
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1488 {
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1489 octave_map result;
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1490 if (all_scalar_1x1 (args)) // optimize all scalars case.
10763 b397b8edd8c5 fix off-by-1 dim in scalar map horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10758 diff changeset	1491 single_type_concat_map<octave_scalar_map> (result, args, dim);
10758 f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1492 else
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1493 single_type_concat_map<octave_map> (result, args, dim);
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1494
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1495 return result;
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1496 }
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1497
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1498 static octave_value
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1499 do_cat (const octave_value_list& args, int dim, std::string fname)
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1500 {
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1501 octave_value retval;
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1502
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1503 int n_args = args.length ();
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1504
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1505 if (n_args == 0)
5714 24f6a13878c2 [project @ 2006-03-23 21:46:09 by jwe] jwe parents: 5677 diff changeset	1506 retval = Matrix ();
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1507 else if (n_args == 1)
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1508 retval = args(0);
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1509 else if (n_args > 1)
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1510 {
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1511
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1512 std::string result_type = args(0).class_name ();
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1513
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1514 bool all_sq_strings_p = args(0).is_sq_string ();
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1515 bool all_dq_strings_p = args(0).is_dq_string ();
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1516 bool all_real_p = args(0).is_real_type ();
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1517 bool any_sparse_p = args(0).is_sparse_type();
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1518
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1519 for (int i = 1; i < args.length (); i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1520 {
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1521 result_type =
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1522 get_concat_class (result_type, args(i).class_name ());
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1523
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1524 if (all_sq_strings_p && ! args(i).is_sq_string ())
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1525 all_sq_strings_p = false;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1526 if (all_dq_strings_p && ! args(i).is_dq_string ())
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1527 all_dq_strings_p = false;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1528 if (all_real_p && ! args(i).is_real_type ())
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1529 all_real_p = false;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1530 if (!any_sparse_p && args(i).is_sparse_type ())
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1531 any_sparse_p = true;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1532 }
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1533
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1534 if (result_type == "double")
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1535 {
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1536 if (any_sparse_p)
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1537 {
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1538 if (all_real_p)
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1539 retval = do_single_type_concat<SparseMatrix> (args, dim);
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1540 else
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1541 retval = do_single_type_concat<SparseComplexMatrix> (args, dim);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1542 }
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1543 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1544 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1545 if (all_real_p)
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1546 retval = do_single_type_concat<NDArray> (args, dim);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1547 else
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1548 retval = do_single_type_concat<ComplexNDArray> (args, dim);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1549 }
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1550 }
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1551 else if (result_type == "single")
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1552 {
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1553 if (all_real_p)
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1554 retval = do_single_type_concat<FloatNDArray> (args, dim);
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1555 else
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1556 retval = do_single_type_concat<FloatComplexNDArray> (args, dim);
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1557 }
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1558 else if (result_type == "char")
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1559 {
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1560 char type = all_dq_strings_p ? '"' : '\'';
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1561
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1562 maybe_warn_string_concat (all_dq_strings_p, all_sq_strings_p);
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1563
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1564 charNDArray result = do_single_type_concat<charNDArray> (args, dim);
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1565
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1566 retval = octave_value (result, type);
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1567 }
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1568 else if (result_type == "logical")
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1569 {
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1570 if (any_sparse_p)
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1571 retval = do_single_type_concat<SparseBoolMatrix> (args, dim);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1572 else
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1573 retval = do_single_type_concat<boolNDArray> (args, dim);
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1574 }
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1575 else if (result_type == "int8")
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1576 retval = do_single_type_concat<int8NDArray> (args, dim);
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1577 else if (result_type == "int16")
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1578 retval = do_single_type_concat<int16NDArray> (args, dim);
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1579 else if (result_type == "int32")
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1580 retval = do_single_type_concat<int32NDArray> (args, dim);
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1581 else if (result_type == "int64")
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1582 retval = do_single_type_concat<int64NDArray> (args, dim);
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1583 else if (result_type == "uint8")
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1584 retval = do_single_type_concat<uint8NDArray> (args, dim);
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1585 else if (result_type == "uint16")
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1586 retval = do_single_type_concat<uint16NDArray> (args, dim);
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1587 else if (result_type == "uint32")
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1588 retval = do_single_type_concat<uint32NDArray> (args, dim);
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1589 else if (result_type == "uint64")
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1590 retval = do_single_type_concat<uint64NDArray> (args, dim);
10758 f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1591 else if (result_type == "cell")
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1592 retval = do_single_type_concat<Cell> (args, dim);
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1593 else if (result_type == "struct")
f3892d8eea9f optimize horzcat/vertcat for scalars, cells and structs Jaroslav Hajek <highegg@gmail.com> parents: 10716 diff changeset	1594 retval = do_single_type_concat_map (args, dim);
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1595 else
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1596 {
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1597 dim_vector dv = args(0).dims ();
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1598
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1599 // Default concatenation.
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1600 bool (dim_vector::*concat_rule) (const dim_vector&, int) = &dim_vector::concat;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1601
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1602 if (dim == -1 \|\| dim == -2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1603 {
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1604 concat_rule = &dim_vector::hvcat;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1605 dim = -dim - 1;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1606 }
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1607
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1608 for (int i = 1; i < args.length (); i++)
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1609 {
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1610 if (! (dv.*concat_rule) (args(i).dims (), dim))
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1611 {
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1612 // Dimensions do not match.
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1613 error ("cat: dimension mismatch");
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1614 return retval;
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	1615 }
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1616 }
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1617
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1618 // The lines below might seem crazy, since we take a copy
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1619 // of the first argument, resize it to be empty and then resize
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1620 // it to be full. This is done since it means that there is no
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1621 // recopying of data, as would happen if we used a single resize.
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1622 // It should be noted that resize operation is also significantly
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1623 // slower than the do_cat_op function, so it makes sense to have
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1624 // an empty matrix and copy all data.
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1625 //
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1626 // We might also start with a empty octave_value using
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1627 // tmp = octave_value_typeinfo::lookup_type
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1628 // (args(1).type_name());
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1629 // and then directly resize. However, for some types there might
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1630 // be some additional setup needed, and so this should be avoided.
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1631
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1632 octave_value tmp = args (0);
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1633 tmp = tmp.resize (dim_vector (0,0)).resize (dv);
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1634
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1635 if (error_state)
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1636 return retval;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1637
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1638 int dv_len = dv.length ();
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1639 Array<octave_idx_type> ra_idx (dv_len, 1, 0);
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1640
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1641 for (int j = 0; j < n_args; j++)
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1642 {
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1643 // Can't fast return here to skip empty matrices as something
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1644 // like cat(1,[],single([])) must return an empty matrix of
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1645 // the right type.
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1646 tmp = do_cat_op (tmp, args (j), ra_idx);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1647
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1648 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1649 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1650
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1651 dim_vector dv_tmp = args (j).dims ();
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1652
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1653 if (dim >= dv_len)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1654 {
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1655 if (j > 1)
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1656 error ("%s: indexing error", fname.c_str ());
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1657 break;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1658 }
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1659 else
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1660 ra_idx (dim) += (dim < dv_tmp.length () ?
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1661 dv_tmp (dim) : 1);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1662 }
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1663 retval = tmp;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1664 }
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1665 }
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1666 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	1667 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	1668
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1669 return retval;
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1670 }
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1671
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1672 DEFUN (horzcat, args, ,
4824 4829055e154f [project @ 2004-03-08 18:16:04 by jwe] jwe parents: 4806 diff changeset	1673 "-- texinfo --\n\
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1674 @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	1675 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	1676 @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	1677 @seealso{cat, vertcat}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	1678 @end deftypefn")
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1679 {
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1680 return do_cat (args, -2, "horzcat");
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1681 }
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1682
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1683 DEFUN (vertcat, args, ,
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1684 "-- texinfo --\n\
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1685 @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	1686 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	1687 @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	1688 @seealso{cat, horzcat}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	1689 @end deftypefn")
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1690 {
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1691 return do_cat (args, -1, "vertcat");
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1692 }
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4768 diff changeset	1693
4758 a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1694 DEFUN (cat, args, ,
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1695 "-- texinfo --\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1696 @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	1697 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	1698 @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	1699 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1700 @example\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1701 @group\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1702 A = ones (2, 2);\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1703 B = zeros (2, 2);\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1704 cat (2, A, B)\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1705 @result{} ans =\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1706 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1707 1 1 0 0\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1708 1 1 0 0\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1709 @end group\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1710 @end example\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1711 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1712 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	1713 second dimension the following way:\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1714 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1715 @example\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1716 @group\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1717 [A, B].\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1718 @end group\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1719 @end example\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1720 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1721 @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	1722 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	1723 following example shows:\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	1724 \n\
4758 a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1725 @example\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1726 @group\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1727 cat (4, ones(2, 2), zeros (2, 2))\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1728 @result{} ans =\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1729 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1730 ans(:,:,1,1) =\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1731 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1732 1 1\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1733 1 1\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1734 \n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1735 ans(:,:,1,2) =\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1736 0 0\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1737 0 0\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1738 @end group\n\
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1739 @end example\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	1740 @seealso{horzcat, vertcat}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	1741 @end deftypefn")
4758 a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1742 {
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1743 octave_value retval;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1744
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1745 if (args.length () > 0)
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1746 {
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1747 int dim = args(0).int_value () - 1;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1748
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1749 if (! error_state)
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1750 {
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1751 if (dim >= 0)
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1752 retval = do_cat (args.slice (1, args.length () - 1), dim, "cat");
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1753 else
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1754 error ("cat: invalid dimension specified");
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1755 }
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1756 else
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1757 error ("cat: expecting first argument to be a integer");
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1758 }
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1759 else
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1760 print_usage ();
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1761
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10711 diff changeset	1762 return retval;
4758 a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1763 }
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe] jwe parents: 4741 diff changeset	1764
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1765 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1766
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1767 %!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	1768 %! 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	1769 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1770 %! 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	1771 %! 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	1772 %! 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	1773 %! 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	1774 %! 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	1775 %! 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	1776 %! 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	1777 %! 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	1778 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1779 %! 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	1780 %! 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	1781 %! 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	1782 %! 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	1783 %! 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	1784 %! 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	1785 %! 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	1786 %! 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	1787 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1788 %! 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	1789 %! 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	1790 %! 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	1791 %! 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	1792 %! 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	1793 %! 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	1794 %! 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	1795 %! 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	1796 %! 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	1797 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1798 %! 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	1799 %! 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	1800 %! 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	1801 %! 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	1802 %! 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	1803 %! 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	1804 %! 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	1805 %! 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	1806 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1807 %! 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	1808 %! 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	1809 %! 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	1810 %! 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	1811 %! 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	1812 %! 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	1813 %! 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	1814 %! 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	1815 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1816 %! 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	1817 %! 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	1818 %! 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	1819 %! 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	1820 %! 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	1821 %! 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	1822 %! 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	1823 %! 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	1824 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1825 %! 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	1826 %! 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	1827 %! 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	1828 %! 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	1829 %! 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	1830 %! 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	1831 %! 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	1832 %! 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	1833 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1834 %! 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	1835 %! 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	1836 %! 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	1837 %! 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	1838 %! 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	1839 %! 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	1840 %! 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	1841 %! 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	1842 %! endif
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1843 %! ret = true;
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1844
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1845 %!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	1846 %!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	1847 %!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	1848 %!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	1849
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1850 %!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	1851 %!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	1852 %!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	1853 %!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	1854 %!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	1855 %!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	1856 %!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	1857 %!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	1858 %!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	1859 %!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	1860 %!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	1861 %!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	1862 %!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	1863 %!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	1864 %!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	1865 %!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	1866 %!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	1867 %!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	1868 %!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	1869 %!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	1870
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1871 %!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	1872 %!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	1873 %!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	1874 %!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	1875 %!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	1876 %!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	1877 %!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	1878 %!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	1879 %!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	1880 %!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	1881 %!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	1882 %!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	1883 %!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	1884 %!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	1885 %!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	1886 %!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	1887 %!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	1888 %!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	1889 %!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	1890 %!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	1891
11241 80e01d79cf80 special case for concatenation of empty matrices John W. Eaton <jwe@octave.org> parents: 11209 diff changeset	1892 %!assert (cat (3, [], [1,2;3,4]), [1,2;3,4]);
80e01d79cf80 special case for concatenation of empty matrices John W. Eaton <jwe@octave.org> parents: 11209 diff changeset	1893 %!assert (cat (3, [1,2;3,4], []), [1,2;3,4]);
80e01d79cf80 special case for concatenation of empty matrices John W. Eaton <jwe@octave.org> parents: 11209 diff changeset	1894 %!assert (cat (3, [], [1,2;3,4], []), [1,2;3,4]);
80e01d79cf80 special case for concatenation of empty matrices John W. Eaton <jwe@octave.org> parents: 11209 diff changeset	1895 %!assert (cat (3, [], [], []), zeros (0, 0, 3));
80e01d79cf80 special case for concatenation of empty matrices John W. Eaton <jwe@octave.org> parents: 11209 diff changeset	1896
11242 0090bb47d0b5 simplify special case for concatenation of empty matrices John W. Eaton <jwe@octave.org> parents: 11241 diff changeset	1897 %!assert (cat (3, [], [], 1, 2), cat (3, 1, 2));
11241 80e01d79cf80 special case for concatenation of empty matrices John W. Eaton <jwe@octave.org> parents: 11209 diff changeset	1898 %!assert (cat (3, [], [], [1,2;3,4]), [1,2;3,4]);
80e01d79cf80 special case for concatenation of empty matrices John W. Eaton <jwe@octave.org> parents: 11209 diff changeset	1899 %!assert (cat (4, [], [], [1,2;3,4]), [1,2;3,4]);
80e01d79cf80 special case for concatenation of empty matrices John W. Eaton <jwe@octave.org> parents: 11209 diff changeset	1900 %!error <dimension mismatch> cat (3, cat (3, [], []), [1,2;3,4]);
80e01d79cf80 special case for concatenation of empty matrices John W. Eaton <jwe@octave.org> parents: 11209 diff changeset	1901 %!error <dimension mismatch> cat (3, zeros (0, 0, 2), [1,2;3,4]);
10498 8615b55b5caf fix & improve cat (bug #29465) Jaroslav Hajek <highegg@gmail.com> parents: 10436 diff changeset	1902
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1903 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	1904
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1905 static octave_value
6959 47f4f4e88166 [project @ 2007-10-04 20:43:32 by jwe] jwe parents: 6953 diff changeset	1906 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	1907 {
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1908 octave_value retval;
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1909
5148 9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	1910 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	1911 {
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1912 Array<int> vec = args(1).int_vector_value ();
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1913
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5747 diff changeset	1914 // 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	1915 // here and pass that to permute?
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	1916
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	1917 int n = vec.length ();
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	1918
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	1919 for (int i = 0; i < n; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1920 vec(i)--;
5148 9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5061 diff changeset	1921
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1922 octave_value ret = args(0).permute (vec, inv);
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1923
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1924 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	1925 retval = ret;
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1926 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1927 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	1928 print_usage ();
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1929
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1930 return retval;
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1931 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1932
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1933 DEFUN (permute, args, ,
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1934 "-- texinfo --\n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1935 @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	1936 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	1937 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	1938 @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	1939 @seealso{ipermute}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	1940 @end deftypefn")
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1941 {
6959 47f4f4e88166 [project @ 2007-10-04 20:43:32 by jwe] jwe parents: 6953 diff changeset	1942 return do_permute (args, false);
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1943 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1944
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1945 DEFUN (ipermute, args, ,
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1946 "-- texinfo --\n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1947 @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	1948 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	1949 \n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1950 @example\n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1951 ipermute (permute (a, perm), perm)\n\
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1952 @end example\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	1953 \n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	1954 @noindent\n\
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1955 returns the original array @var{a}.\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	1956 @seealso{permute}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5607 diff changeset	1957 @end deftypefn")
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1958 {
6959 47f4f4e88166 [project @ 2007-10-04 20:43:32 by jwe] jwe parents: 6953 diff changeset	1959 return do_permute (args, true);
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1960 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4569 diff changeset	1961
3195 7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1962 DEFUN (length, args, ,
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1963 "-- texinfo --\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	1964 @deftypefn {Built-in Function} {} length (@var{a})\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	1965 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	1966 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	1967 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	1968 @end deftypefn")
3195 7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1969 {
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1970 octave_value retval;
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1971
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1972 if (args.length () == 1)
9706 71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	1973 retval = args(0).length ();
3195 7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1974 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	1975 print_usage ();
3195 7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1976
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1977 return retval;
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1978 }
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe] jwe parents: 3186 diff changeset	1979
4554 78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1980 DEFUN (ndims, args, ,
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1981 "-- texinfo --\n\
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1982 @deftypefn {Built-in Function} {} ndims (@var{a})\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	1983 Return the number of dimensions of @var{a}.\n\
4554 78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1984 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	1985 Trailing singleton dimensions are not counted.\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	1986 \n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	1987 @example\n\
10711 fbd7843974fa Periodic grammar check of documentation files to ensure common format. Rik <octave@nomad.inbox5.com> parents: 10707 diff changeset	1988 @group\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	1989 ndims (ones (4, 1, 2, 1)\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	1990 @result{} 3\n\
10711 fbd7843974fa Periodic grammar check of documentation files to ensure common format. Rik <octave@nomad.inbox5.com> parents: 10707 diff changeset	1991 @end group\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	1992 @end example\n\
4554 78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1993 @end deftypefn")
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1994 {
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1995 octave_value retval;
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1996
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1997 if (args.length () == 1)
9706 71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	1998 retval = args(0).ndims ();
4554 78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	1999 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2000 print_usage ();
4554 78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2001
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2002 return retval;
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2003 }
78e34346f6fd [project @ 2003-10-27 22:01:49 by jwe] jwe parents: 4545 diff changeset	2004
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2005 DEFUN (numel, args, ,
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2006 "-- texinfo --\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	2007 @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	2008 @deftypefnx {Built-in Function} {} numel (@var{a}, @var{idx1}, @var{idx2}, @dots{})\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	2009 Return 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	2010 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	2011 return the number of elements that would result from the indexing\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	2012 \n\
9705 5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2013 @example\n\
5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2014 @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	2015 @end example\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	2016 \n\
9705 5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2017 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	2018 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	2019 @seealso{size}\n\
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2020 @end deftypefn")
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2021 {
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2022 octave_value retval;
9329 67fc970dad7d improve indexed assignment using indexed numel Jaroslav Hajek <highegg@gmail.com> parents: 9319 diff changeset	2023 octave_idx_type nargin = args.length ();
67fc970dad7d improve indexed assignment using indexed numel Jaroslav Hajek <highegg@gmail.com> parents: 9319 diff changeset	2024
9705 5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2025 if (nargin == 1)
5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2026 retval = args(0).numel ();
5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2027 else if (nargin > 1)
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2028 {
9705 5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2029 // 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	2030 // an overloaded call, not to builtin!
5acd99c3e794 avoid recursive overloaded calls in builtin numel Jaroslav Hajek <highegg@gmail.com> parents: 9689 diff changeset	2031 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	2032 }
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2033 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2034 print_usage ();
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2035
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2036 return retval;
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2037 }
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2038
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	2039 DEFUN (size, args, nargout,
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2040 "-- texinfo --\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	2041 @deftypefn {Built-in Function} {} size (@var{a})\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	2042 @deftypefnx {Built-in Function} {} size (@var{a}, @var{dim})\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2043 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	2044 \n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2045 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	2046 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	2047 rows is assigned to the first, and the number of columns to the second,\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	2048 etc. For example:\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2049 \n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2050 @example\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2051 @group\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2052 size ([1, 2; 3, 4; 5, 6])\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2053 @result{} [ 3, 2 ]\n\
1031 59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	2054 \n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2055 [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	2056 @result{} nr = 3\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2057 @result{} nc = 2\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2058 @end group\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2059 @end example\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2060 \n\
4741 e44d0ac643a5 [project @ 2004-02-05 21:57:50 by jwe] jwe parents: 4739 diff changeset	2061 If given a second argument, @code{size} will return the size of the\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	2062 corresponding dimension. For example,\n\
1031 59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	2063 \n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2064 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	2065 @group\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2066 size ([1, 2; 3, 4; 5, 6], 2)\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2067 @result{} 2\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	2068 @end group\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2069 @end example\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2070 \n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2071 @noindent\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2072 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	2073 @seealso{numel}\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2074 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2075 {
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	2076 octave_value_list retval;
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2077
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2078 int nargin = args.length ();
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2079
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4512 diff changeset	2080 if (nargin == 1)
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2081 {
9706 71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2082 const dim_vector dimensions = args(0).dims ();
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4512 diff changeset	2083
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4512 diff changeset	2084 if (nargout > 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2085 {
9706 71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2086 const dim_vector rdims = dimensions.redim (nargout);
71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2087 retval.resize (nargout);
71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2088 for (int i = 0; i < nargout; i++)
71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2089 retval(i) = rdims(i);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2090 }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4512 diff changeset	2091 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2092 {
9706 71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2093 int ndims = dimensions.length ();
71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2094
71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2095 NoAlias<Matrix> m (1, ndims);
71160b139b07 simplify length,ndims,size and size_equal Jaroslav Hajek <highegg@gmail.com> parents: 9705 diff changeset	2096
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2097 for (int i = 0; i < ndims; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2098 m(i) = dimensions(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2099
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2100 retval(0) = m;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2101 }
1031 59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	2102 }
59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	2103 else if (nargin == 2 && nargout < 2)
59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	2104 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5164 diff changeset	2105 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	2106
59f5eb2d5eb3 [project @ 1995-01-15 21:11:11 by jwe] jwe parents: 1009 diff changeset	2107 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2108 error ("size: expecting scalar as second argument");
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	2109 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2110 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2111 const dim_vector dv = args(0).dims ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2112
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2113 if (nd > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2114 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2115 if (nd <= dv.length ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2116 retval(0) = dv(nd-1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2117 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2118 retval(0) = 1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2119 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2120 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2121 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	2122 }
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2123 }
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	2124 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2125 print_usage ();
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2126
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2127 return retval;
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2128 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2129
6156 a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2130 DEFUN (size_equal, args, ,
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2131 "-- texinfo --\n\
6561 dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2132 @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	2133 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	2134 Trailing singleton dimensions are ignored.\n\
10002 e93c9bfff8b8 allow size_equal with 0 arguments Jaroslav Hajek <highegg@gmail.com> parents: 9866 diff changeset	2135 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	2136 @seealso{size, numel}\n\
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2137 @end deftypefn")
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2138 {
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2139 octave_value retval;
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2140
6561 dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2141 int nargin = args.length ();
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2142
10002 e93c9bfff8b8 allow size_equal with 0 arguments Jaroslav Hajek <highegg@gmail.com> parents: 9866 diff changeset	2143 retval = true;
e93c9bfff8b8 allow size_equal with 0 arguments Jaroslav Hajek <highegg@gmail.com> parents: 9866 diff changeset	2144
8947 1e4b3149365a allow size_equal called with 1 arg Jaroslav Hajek <highegg@gmail.com> parents: 8934 diff changeset	2145 if (nargin >= 1)
6156 a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2146 {
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2147 dim_vector a_dims = args(0).dims ();
6561 dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2148
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2149 for (int i = 1; i < nargin; ++i)
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2150 {
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2151 dim_vector b_dims = args(i).dims ();
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2152
dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2153 if (a_dims != b_dims)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2154 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2155 retval = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2156 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2157 }
6561 dc83c15d7149 [project @ 2007-04-23 16:58:17 by jwe] jwe parents: 6556 diff changeset	2158 }
6156 a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2159 }
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2160
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2161 return retval;
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2162 }
a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2163
5602 dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2164 DEFUN (nnz, args, ,
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2165 "-- texinfo --\n\
6156 a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2166 @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	2167 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	2168 @seealso{sparse}\n\
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2169 @end deftypefn")
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2170 {
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2171 octave_value retval;
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2172
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2173 if (args.length () == 1)
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2174 retval = args(0).nnz ();
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2175 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2176 print_usage ();
5602 dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2177
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2178 return retval;
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2179 }
dfa2da0563e5 [project @ 2006-01-31 03:43:40 by jwe] jwe parents: 5533 diff changeset	2180
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2181 DEFUN (nzmax, args, ,
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2182 "-- texinfo --\n\
6156 a46f14cdbecd [project @ 2006-11-13 19:20:23 by jwe] jwe parents: 6133 diff changeset	2183 @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	2184 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	2185 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	2186 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	2187 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	2188 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	2189 @seealso{sparse, spalloc}\n\
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2190 @end deftypefn")
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2191 {
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2192 octave_value retval;
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2193
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2194 if (args.length() == 1)
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2195 retval = args(0).nzmax ();
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2196 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2197 print_usage ();
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2198
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2199 return retval;
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2200 }
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5602 diff changeset	2201
5677 a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2202 DEFUN (rows, args, ,
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2203 "-- texinfo --\n\
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2204 @deftypefn {Built-in Function} {} rows (@var{a})\n\
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2205 Return the number of rows of @var{a}.\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	2206 @seealso{columns, size, length, numel, isscalar, isvector, ismatrix}\n\
5677 a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2207 @end deftypefn")
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2208 {
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2209 octave_value retval;
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2210
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2211 if (args.length () == 1)
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2212 retval = args(0).rows ();
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2213 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2214 print_usage ();
5677 a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2215
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2216 return retval;
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2217 }
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2218
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2219 DEFUN (columns, args, ,
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2220 "-- texinfo --\n\
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2221 @deftypefn {Built-in Function} {} columns (@var{a})\n\
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2222 Return the number of columns of @var{a}.\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	2223 @seealso{rows, size, length, numel, isscalar, isvector, ismatrix}\n\
5677 a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2224 @end deftypefn")
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2225 {
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2226 octave_value retval;
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2227
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2228 if (args.length () == 1)
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2229 retval = args(0).columns ();
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2230 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2231 print_usage ();
5677 a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2232
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2233 return retval;
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2234 }
a8f6903535c9 [project @ 2006-03-16 05:54:20 by jwe] jwe parents: 5642 diff changeset	2235
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	2236 DEFUN (sum, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2237 "-- texinfo --\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	2238 @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	2239 @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	2240 @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	2241 @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	2242 @deftypefnx {Built-in Function} {} sum (@dots{}, 'extra')\n\
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	2243 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	2244 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	2245 \n\
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2246 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	2247 in the same type as the original argument, rather than in the default\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	2248 double type. For example:\n\
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2249 \n\
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2250 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	2251 @group\n\
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2252 sum ([true, true])\n\
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2253 @result{} 2\n\
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2254 sum ([true, true], 'native')\n\
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2255 @result{} true\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	2256 @end group\n\
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2257 @end example\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	2258 \n\
9723 f426899f4b9c fix reduction functions docstrings Jaroslav Hajek <highegg@gmail.com> parents: 9721 diff changeset	2259 \n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	2260 On the contrary, if 'double' is given, the sum is performed in double\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	2261 precision even for single precision inputs.\n\
9723 f426899f4b9c fix reduction functions docstrings Jaroslav Hajek <highegg@gmail.com> parents: 9721 diff changeset	2262 \n\
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2263 For double precision inputs, 'extra' indicates that a more accurate algorithm\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	2264 than straightforward summation is to be used. For single precision inputs,\n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	2265 'extra' is 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	2266 @seealso{cumsum, sumsq, prod}\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2267 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2268 {
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2269 octave_value retval;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2270
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2271 int nargin = args.length ();
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2272
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2273 bool isnative = false;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2274 bool isdouble = false;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2275 bool isextra = false;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2276
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2277 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	2278 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2279 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	2280
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2281 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2282 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2283 if (str == "native")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2284 isnative = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2285 else if (str == "double")
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2286 isdouble = true;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2287 else if (str == "extra")
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2288 isextra = true;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2289 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2290 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	2291 nargin --;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2292 }
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2293 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2294
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2295 if (error_state)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2296 return retval;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2297
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2298 if (nargin == 1 \|\| nargin == 2)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2299 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2300 octave_value arg = args(0);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2301
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2302 int dim = -1;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2303 if (nargin == 2)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2304 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2305 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	2306 if (dim < 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2307 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	2308 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2309
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2310 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2311 {
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2312 switch (arg.builtin_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2313 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2314 case btyp_double:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2315 if (arg.is_sparse_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2316 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2317 if (isextra)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2318 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	2319 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	2320 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2321 else if (isextra)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2322 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	2323 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2324 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	2325 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2326 case btyp_complex:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2327 if (arg.is_sparse_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2328 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2329 if (isextra)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2330 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	2331 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	2332 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2333 else if (isextra)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2334 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	2335 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2336 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	2337 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2338 case btyp_float:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2339 if (isdouble \|\| isextra)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2340 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	2341 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2342 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	2343 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2344 case btyp_float_complex:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2345 if (isdouble \|\| isextra)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2346 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	2347 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2348 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	2349 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2350
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2351 #define MAKE_INT_BRANCH(X) \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2352 case btyp_ ## X: \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2353 if (isnative) \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2354 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	2355 else \
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2356 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	2357 break
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2358 MAKE_INT_BRANCH (int8);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2359 MAKE_INT_BRANCH (int16);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2360 MAKE_INT_BRANCH (int32);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2361 MAKE_INT_BRANCH (int64);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2362 MAKE_INT_BRANCH (uint8);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2363 MAKE_INT_BRANCH (uint16);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2364 MAKE_INT_BRANCH (uint32);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2365 MAKE_INT_BRANCH (uint64);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2366 #undef MAKE_INT_BRANCH
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2367
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2368 case btyp_bool:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2369 if (arg.is_sparse_type ())
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2370 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2371 if (isnative)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2372 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	2373 else
10983 4b51c0a20a98 optimize sum of sparse logical matrices Jaroslav Hajek <highegg@gmail.com> parents: 10880 diff changeset	2374 retval = arg.sparse_bool_matrix_value ().sum (dim);
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2375 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2376 else if (isnative)
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2377 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	2378 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2379 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	2380 break;
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2381
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2382 default:
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2383 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	2384 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2385 }
9721 192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2386 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2387 else
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2388 print_usage ();
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2389
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code Jaroslav Hajek <highegg@gmail.com> parents: 9706 diff changeset	2390 return retval;
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2391 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2392
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2393 /*
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2394
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2395 %!assert (sum([true,true]), 2)
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2396 %!assert (sum([true,true],'native'), true)
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2397 %!assert (sum(int8([127,10,-20])), 117);
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2398 %!assert (sum(int8([127,10,-20]),'native'), int8(107));
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2399
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2400 %!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	2401 %!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	2402 %!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	2403 %!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	2404
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2405 %!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	2406 %!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	2407 %!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	2408 %!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	2409
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2410 %!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	2411
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2412 %!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	2413 %!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	2414 %!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	2415 %!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	2416 %!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	2417 %!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	2418 %!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	2419 %!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	2420 %!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	2421 %!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	2422 %!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	2423 %!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	2424 %!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	2425 %!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	2426 %!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	2427 %!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	2428 %!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	2429 %!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	2430 %!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	2431
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2432 %!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	2433 %!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	2434 %!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	2435 %!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	2436 %!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	2437 %!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	2438 %!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	2439 %!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	2440 %!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	2441 %!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	2442 %!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	2443 %!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	2444 %!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	2445 %!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	2446 %!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	2447 %!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	2448 %!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	2449 %!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	2450 %!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	2451
7112 f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2452 */
f90a8188c9c2 [project @ 2007-11-07 00:24:11 by dbateman] dbateman parents: 7103 diff changeset	2453
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	2454 DEFUN (sumsq, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2455 "-- texinfo --\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	2456 @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	2457 @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	2458 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	2459 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	2460 \n\
4689ee5e88ec [project @ 2004-11-03 21:23:42 by jwe] jwe parents: 5058 diff changeset	2461 This function is conceptually equivalent to computing\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	2462 \n\
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	2463 @example\n\
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	2464 sum (x .* conj (x), dim)\n\
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	2465 @end example\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	2466 \n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	2467 @noindent\n\
9163 9cb0c21e97f7 Update section 17.4 (Sums and Products) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9155 diff changeset	2468 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	2469 @seealso{sum}\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2470 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2471 {
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3665 diff changeset	2472 DATA_REDUCTION (sumsq);
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2473 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2474
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2475 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2476
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2477 %!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	2478 %!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	2479 %!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	2480
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2481 %!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	2482 %!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	2483 %!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	2484
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2485 %!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	2486
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2487 %!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	2488 %!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	2489
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2490 %!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	2491 %!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	2492
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2493 */
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2494
6688 b26a8e0e42cd [project @ 2007-06-04 06:25:21 by jwe] jwe parents: 6671 diff changeset	2495 DEFUN (islogical, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2496 "-- texinfo --\n\
7144 30c0533e39ae [project @ 2007-11-09 17:37:24 by jwe] jwe parents: 7112 diff changeset	2497 @deftypefn {Built-in Function} {} islogical (@var{x})\n\
6688 b26a8e0e42cd [project @ 2007-06-04 06:25:21 by jwe] jwe parents: 6671 diff changeset	2498 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	2499 @end deftypefn")
3209 fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2500 {
fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2501 octave_value retval;
fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2502
fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2503 if (args.length () == 1)
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2504 retval = args(0).is_bool_type ();
3209 fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2505 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2506 print_usage ();
3209 fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2507
fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2508 return retval;
fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2509 }
fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2510
6688 b26a8e0e42cd [project @ 2007-06-04 06:25:21 by jwe] jwe parents: 6671 diff changeset	2511 DEFALIAS (isbool, islogical);
3209 fbb332b96e4f [project @ 1998-11-03 20:48:54 by jwe] jwe parents: 3206 diff changeset	2512
7815 a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2513 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2514
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2515 %!assert (islogical(true), true)
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2516 %!assert (islogical(false), true)
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2517 %!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	2518 %!assert (islogical(1), false)
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2519 %!assert (islogical(1i), false)
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2520 %!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	2521 %!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	2522 %!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	2523 %!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	2524
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2525 */
a41df65f3f00 Add some single precision test code and fix resulting bugs David Bateman <dbateman@free.fr> parents: 7814 diff changeset	2526
6223 a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2527 DEFUN (isinteger, args, ,
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2528 "-- texinfo --\n\
6230 06bee64edc08 [project @ 2007-01-08 16:59:35 by jwe] jwe parents: 6223 diff changeset	2529 @deftypefn {Built-in Function} {} isinteger (@var{x})\n\
6223 a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2530 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	2531 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	2532 Octave are double precision floating point values.\n\
6223 a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2533 @seealso{isreal, isnumeric, class, isa}\n\
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2534 @end deftypefn")
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2535 {
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2536 octave_value retval;
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2537
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2538 if (args.length () == 1)
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2539 retval = args(0).is_integer_type ();
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2540 else
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2541 print_usage ();
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2542
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2543 return retval;
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2544 }
a6cc01dd09f9 [project @ 2007-01-03 20:59:28 by jwe] jwe parents: 6197 diff changeset	2545
4028 ef75c970c8f5 [project @ 2002-08-09 07:19:02 by jwe] jwe parents: 4025 diff changeset	2546 DEFUN (iscomplex, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2547 "-- texinfo --\n\
4028 ef75c970c8f5 [project @ 2002-08-09 07:19:02 by jwe] jwe parents: 4025 diff changeset	2548 @deftypefn {Built-in Function} {} iscomplex (@var{x})\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2549 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	2550 @end deftypefn")
3186 edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2551 {
edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2552 octave_value retval;
edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2553
edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2554 if (args.length () == 1)
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2555 retval = args(0).is_complex_type ();
3186 edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2556 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2557 print_usage ();
3186 edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2558
edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2559 return retval;
edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2560 }
edaa9a2d3d9c [project @ 1998-10-02 19:12:19 by jwe] jwe parents: 3174 diff changeset	2561
7576 7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2562 DEFUN (isfloat, args, ,
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2563 "-- texinfo --\n\
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2564 @deftypefn {Built-in Function} {} isfloat (@var{x})\n\
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2565 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	2566 @end deftypefn")
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2567 {
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2568 octave_value retval;
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2569
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2570 if (args.length () == 1)
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2571 retval = args(0).is_float_type ();
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2572 else
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2573 print_usage ();
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2574
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2575 return retval;
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2576 }
7ebdc99a0bab new isfloat function John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	2577
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5747 diff changeset	2578 // FIXME -- perhaps this should be implemented with an
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2579 // octave_value member function?
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2580
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2581 DEFUN (complex, args, ,
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2582 "-- texinfo --\n\
9309 fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2583 @deftypefn {Built-in Function} {} complex (@var{x})\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2584 @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	2585 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	2586 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	2587 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	2588 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	2589 For example:\n\
fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2590 \n\
fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2591 @example\n\
9758 09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9736 diff changeset	2592 @group\n\
9309 fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2593 complex ([1, 2], [3, 4])\n\
fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2594 @result{}\n\
fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2595 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	2596 @end group\n\
9309 fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2597 @end example\n\
fb8b8589dd46 Expand documentation for 'complex' function Rik <rdrider0-list@yahoo.com> parents: 9308 diff changeset	2598 @seealso{real, imag, iscomplex}\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2599 @end deftypefn")
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2600 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2601 octave_value retval;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2602
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2603 int nargin = args.length ();
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2604
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2605 if (nargin == 1)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2606 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2607 octave_value arg = args(0);
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2608
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2609 if (arg.is_complex_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2610 retval = arg;
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2611 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2612 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2613 if (arg.is_sparse_type ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2614 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2615 SparseComplexMatrix val = arg.sparse_complex_matrix_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2616
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2617 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2618 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	2619 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2620 else if (arg.is_single_type ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2621 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2622 if (arg.numel () == 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2623 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2624 FloatComplex val = arg.float_complex_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2625
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2626 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2627 retval = octave_value (new octave_float_complex (val));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2628 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2629 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2630 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2631 FloatComplexNDArray val = arg.float_complex_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2632
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2633 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2634 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	2635 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2636 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2637 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2638 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2639 if (arg.numel () == 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2640 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2641 Complex val = arg.complex_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2642
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2643 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2644 retval = octave_value (new octave_complex (val));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2645 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2646 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2647 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2648 ComplexNDArray val = arg.complex_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2649
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2650 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2651 retval = octave_value (new octave_complex_matrix (val));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2652 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2653 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2654
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2655 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2656 error ("complex: invalid conversion");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2657 }
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2658 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2659 else if (nargin == 2)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2660 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2661 octave_value re = args(0);
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2662 octave_value im = args(1);
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2663
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	2664 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	2665 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2666 const SparseMatrix re_val = re.sparse_matrix_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2667 const SparseMatrix im_val = im.sparse_matrix_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2668
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2669 if (!error_state)
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 if (re.numel () == 1)
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 SparseComplexMatrix result;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2674 if (re_val.nnz () == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2675 result = Complex(0, 1) * SparseComplexMatrix (im_val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2676 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2677 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2678 result = SparseComplexMatrix (im_val.dims (), re_val (0));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2679 octave_idx_type nr = im_val.rows ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2680 octave_idx_type nc = im_val.cols ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2681
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2682 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	2683 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2684 octave_idx_type off = j * nr;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2685 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	2686 i < im_val.cidx(j + 1); i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2687 result.data (im_val.ridx(i) + off) =
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2688 result.data (im_val.ridx(i) + off) +
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2689 Complex (0, im_val.data (i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2690 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2691 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2692 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	2693 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2694 else if (im.numel () == 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2695 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2696 SparseComplexMatrix result;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2697 if (im_val.nnz () == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2698 result = SparseComplexMatrix (re_val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2699 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2700 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2701 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	2702 octave_idx_type nr = re_val.rows ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2703 octave_idx_type nc = re_val.cols ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2704
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2705 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	2706 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2707 octave_idx_type off = j * nr;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2708 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	2709 i < re_val.cidx(j + 1); i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2710 result.data (re_val.ridx(i) + off) =
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2711 result.data (re_val.ridx(i) + off) +
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2712 re_val.data (i);
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 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2715 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	2716 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2717 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2718 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2719 if (re_val.dims () == im_val.dims ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2720 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2721 SparseComplexMatrix result = SparseComplexMatrix(re_val)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2722 + Complex(0, 1) * SparseComplexMatrix (im_val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2723 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	2724 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2725 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2726 error ("complex: dimension mismatch");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2727 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2728 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2729 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	2730 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	2731 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2732 if (re.numel () == 1)
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 float re_val = re.float_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2735
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2736 if (im.numel () == 1)
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 float im_val = im.double_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2739
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2740 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2741 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	2742 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2743 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2744 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2745 const FloatNDArray im_val = im.float_array_value ();
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 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2748 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2749 FloatComplexNDArray result (im_val.dims (), FloatComplex ());
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 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	2752 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	2753
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2754 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	2755 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2756 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2757 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2758 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2759 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2760 const FloatNDArray re_val = re.float_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2761
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2762 if (im.numel () == 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2763 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2764 float im_val = im.float_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2765
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2766 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2767 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2768 FloatComplexNDArray result (re_val.dims (), FloatComplex ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2769
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2770 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	2771 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	2772
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2773 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	2774 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2775 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2776 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2777 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2778 const FloatNDArray im_val = im.float_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2779
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2780 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2781 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2782 if (re_val.dims () == im_val.dims ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2783 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2784 FloatComplexNDArray result (re_val.dims (), FloatComplex ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2785
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2786 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	2787 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	2788
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2789 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	2790 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2791 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2792 error ("complex: dimension mismatch");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2793 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2794 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2795 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2796 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	2797 else if (re.numel () == 1)
10315 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 double re_val = re.double_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 (im.numel () == 1)
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 double im_val = im.double_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2804
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2805 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2806 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	2807 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2808 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2809 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2810 const NDArray im_val = im.array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2811
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2812 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2813 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2814 ComplexNDArray result (im_val.dims (), Complex ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2815
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2816 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	2817 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	2818
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2819 retval = octave_value (new octave_complex_matrix (result));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2820 }
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 }
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2823 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2824 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2825 const NDArray re_val = re.array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2826
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2827 if (im.numel () == 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2828 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2829 double im_val = im.double_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2830
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2831 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2832 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2833 ComplexNDArray result (re_val.dims (), Complex ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2834
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2835 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	2836 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	2837
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2838 retval = octave_value (new octave_complex_matrix (result));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2839 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2840 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2841 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2842 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2843 const NDArray im_val = im.array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2844
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2845 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2846 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2847 if (re_val.dims () == im_val.dims ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2848 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2849 ComplexNDArray result (re_val.dims (), Complex ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2850
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2851 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	2852 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	2853
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2854 retval = octave_value (new octave_complex_matrix (result));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2855 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2856 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2857 error ("complex: dimension mismatch");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2858 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2859 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2860 }
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2861
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2862 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2863 error ("complex: invalid conversion");
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2864 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2865 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2866 print_usage ();
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2867
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2868 return retval;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2869 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5333 diff changeset	2870
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2871 DEFUN (isreal, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2872 "-- texinfo --\n\
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2873 @deftypefn {Built-in Function} {} isreal (@var{x})\n\
10291 fc879f361bda make isreal matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10290 diff changeset	2874 Return true if @var{x} is a non-complex matrix or scalar.\n\
10711 fbd7843974fa Periodic grammar check of documentation files to ensure common format. Rik <octave@nomad.inbox5.com> parents: 10707 diff changeset	2875 For compatibility with @sc{matlab}, this includes logical and character\n\
10291 fc879f361bda make isreal matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10290 diff changeset	2876 matrices.\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2877 @end deftypefn")
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2878 {
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2879 octave_value retval;
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2880
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2881 if (args.length () == 1)
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2882 retval = args(0).is_real_type ();
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2883 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2884 print_usage ();
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2885
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2886 return retval;
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2887 }
4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2888
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2889 DEFUN (isempty, args, ,
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2890 "-- texinfo --\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2891 @deftypefn {Built-in Function} {} isempty (@var{a})\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3369 diff changeset	2892 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	2893 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	2894 @end deftypefn")
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2895 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4176 diff changeset	2896 octave_value retval = false;
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2897
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2898 if (args.length () == 1)
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4556 diff changeset	2899 retval = args(0).is_empty ();
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2900 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2901 print_usage ();
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2902
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2903 return retval;
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2904 }
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2905
3206 d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2906 DEFUN (isnumeric, args, ,
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2907 "-- texinfo --\n\
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2908 @deftypefn {Built-in Function} {} isnumeric (@var{x})\n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	2909 Return nonzero if @var{x} is a numeric object, i.e., an integer, real or\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	2910 complex array. Logical and character arrays are not considered to be\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	2911 numeric.\n\
10290 1756b3035282 clarify isnumeric and ismatrix Jaroslav Hajek <highegg@gmail.com> parents: 10285 diff changeset	2912 @seealso{ischar, islogical, isinteger}\n\
3428 5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe] jwe parents: 3418 diff changeset	2913 @end deftypefn")
3206 d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2914 {
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2915 octave_value retval;
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2916
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2917 if (args.length () == 1)
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3238 diff changeset	2918 retval = args(0).is_numeric_type ();
3206 d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2919 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2920 print_usage ();
3206 d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2921
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2922 return retval;
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2923 }
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe] jwe parents: 3204 diff changeset	2924
4028 ef75c970c8f5 [project @ 2002-08-09 07:19:02 by jwe] jwe parents: 4025 diff changeset	2925 DEFUN (ismatrix, args, ,
3321 6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe] jwe parents: 3307 diff changeset	2926 "-- texinfo --\n\
4028 ef75c970c8f5 [project @ 2002-08-09 07:19:02 by jwe] jwe parents: 4025 diff changeset	2927 @deftypefn {Built-in Function} {} ismatrix (@var{a})\n\
10290 1756b3035282 clarify isnumeric and ismatrix Jaroslav Hajek <highegg@gmail.com> parents: 10285 diff changeset	2928 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	2929 Otherwise, return 0.\n\
3333 15cddaacbc2d [project @ 1999-11-03 19:53:59 by jwe] jwe parents: 3322 diff changeset	2930 @end deftypefn")
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2931 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4176 diff changeset	2932 octave_value retval = false;
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2933
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2934 if (args.length () == 1)
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2935 {
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2936 octave_value arg = args(0);
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2937
9866 b5aa5d9ee6b9 make ismatrix consistent for empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9858 diff changeset	2938 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	2939 }
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2940 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	2941 print_usage ();
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2942
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2943 return retval;
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2944 }
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3195 diff changeset	2945
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2946 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2947
9866 b5aa5d9ee6b9 make ismatrix consistent for empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9858 diff changeset	2948 %!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	2949 %!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	2950 %!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	2951 %!assert(ismatrix ([1, 2; 3, 4]));
9866 b5aa5d9ee6b9 make ismatrix consistent for empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9858 diff changeset	2952 %!assert(ismatrix (zeros (3, 2, 4)));
b5aa5d9ee6b9 make ismatrix consistent for empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9858 diff changeset	2953
b5aa5d9ee6b9 make ismatrix consistent for empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9858 diff changeset	2954 %!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	2955 %!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	2956 %!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	2957 %!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	2958
10024 184060864627 allow ismatrix on character matrices Jaroslav Hajek <highegg@gmail.com> parents: 10002 diff changeset	2959 %!assert(ismatrix ("t"));
184060864627 allow ismatrix on character matrices Jaroslav Hajek <highegg@gmail.com> parents: 10002 diff changeset	2960 %!assert(ismatrix ("test"));
184060864627 allow ismatrix on character matrices Jaroslav Hajek <highegg@gmail.com> parents: 10002 diff changeset	2961 %!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	2962
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2963 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2964 %! 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	2965 %! 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	2966
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2967 %!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	2968 %!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	2969
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2970 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	2971
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	2972 static octave_value
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	2973 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	2974 {
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	2975 octave_value retval;
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2976
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2977 int nargin = args.length ();
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2978
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	2979 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	2980
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	2981 dim_vector dims (1, 1);
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2982
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2983 if (nargin > 0 && args(nargin-1).is_string ())
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2984 {
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	2985 std::string nm = args(nargin-1).string_value ();
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2986 nargin--;
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2987
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	2988 dt = oct_data_conv::string_to_data_type (nm);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	2989
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	2990 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	2991 return retval;
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2992 }
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	2993
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2994 switch (nargin)
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	2995 {
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	2996 case 0:
36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	2997 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 767 diff changeset	2998
610 14b2a186a5c0 [project @ 1994-08-14 00:55:49 by jwe] jwe parents: 597 diff changeset	2999 case 1:
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3000 get_dimensions (args(0), fcn, dims);
610 14b2a186a5c0 [project @ 1994-08-14 00:55:49 by jwe] jwe parents: 597 diff changeset	3001 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 767 diff changeset	3002
4563 742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	3003 default:
742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	3004 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3005 dims.resize (nargin);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3006
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3007 for (int i = 0; i < nargin; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3008 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3009 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	3010
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3011 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3012 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3013 error ("%s: expecting scalar integer arguments", fcn);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3014 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3015 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3016 }
4563 742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	3017 }
742993a501b9 [project @ 2003-10-29 06:25:12 by jwe] jwe parents: 4559 diff changeset	3018 break;
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3019 }
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3020
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3021 if (! error_state)
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3022 {
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3023 dims.chop_trailing_singletons ();
4565 1db951a4fcd5 [project @ 2003-10-29 13:49:30 by jwe] jwe parents: 4563 diff changeset	3024
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3025 check_dimensions (dims, fcn);
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	3026
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5747 diff changeset	3027 // FIXME -- perhaps this should be made extensible by
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3028 // 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	3029 // the new value.
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3030
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3031 // Note that automatic narrowing will handle conversion from
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3032 // NDArray to scalar.
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3033
4481 cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe] jwe parents: 4479 diff changeset	3034 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3035 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3036 switch (dt)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3037 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3038 case oct_data_conv::dt_int8:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3039 retval = int8NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3040 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3041
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3042 case oct_data_conv::dt_uint8:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3043 retval = uint8NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3044 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3045
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3046 case oct_data_conv::dt_int16:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3047 retval = int16NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3048 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3049
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3050 case oct_data_conv::dt_uint16:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3051 retval = uint16NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3052 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3053
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3054 case oct_data_conv::dt_int32:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3055 retval = int32NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3056 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3057
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3058 case oct_data_conv::dt_uint32:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3059 retval = uint32NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3060 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3061
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3062 case oct_data_conv::dt_int64:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3063 retval = int64NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3064 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3065
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3066 case oct_data_conv::dt_uint64:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3067 retval = uint64NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3068 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3069
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3070 case oct_data_conv::dt_single:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3071 retval = FloatNDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3072 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3073
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3074 case oct_data_conv::dt_double:
8972 5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8947 diff changeset	3075 {
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8947 diff changeset	3076 if (val == 1 && dims.length () == 2 && dims (0) == 1)
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8947 diff changeset	3077 retval = Range (1.0, 0.0, dims (1)); // packed form
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8947 diff changeset	3078 else
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8947 diff changeset	3079 retval = NDArray (dims, val);
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8947 diff changeset	3080 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3081 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3082
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3083 case oct_data_conv::dt_logical:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3084 retval = boolNDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3085 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3086
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3087 default:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3088 error ("%s: invalid class name", fcn);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3089 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3090 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3091 }
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3092 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3093
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3094 return retval;
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3095 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3096
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3097 static octave_value
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3098 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	3099 const char *fcn)
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3100 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3101 octave_value retval;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3102
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3103 int nargin = args.length ();
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3104
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3105 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	3106
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3107 dim_vector dims (1, 1);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3108
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3109 if (nargin > 0 && args(nargin-1).is_string ())
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3110 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3111 std::string nm = args(nargin-1).string_value ();
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3112 nargin--;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3113
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3114 dt = oct_data_conv::string_to_data_type (nm);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3115
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3116 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3117 return retval;
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3118 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3119
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3120 switch (nargin)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3121 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3122 case 0:
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3123 break;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3124
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3125 case 1:
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3126 get_dimensions (args(0), fcn, dims);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3127 break;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3128
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3129 default:
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3130 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3131 dims.resize (nargin);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3132
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3133 for (int i = 0; i < nargin; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3134 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3135 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	3136
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3137 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3138 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3139 error ("%s: expecting scalar integer arguments", fcn);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3140 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3141 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3142 }
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3143 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3144 break;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3145 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3146
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3147 if (! error_state)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3148 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3149 dims.chop_trailing_singletons ();
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3150
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3151 check_dimensions (dims, fcn);
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3152
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3153 // Note that automatic narrowing will handle conversion from
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3154 // NDArray to scalar.
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3155
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3156 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3157 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3158 switch (dt)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3159 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3160 case oct_data_conv::dt_single:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3161 retval = FloatNDArray (dims, fval);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3162 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3163
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3164 case oct_data_conv::dt_double:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3165 retval = NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3166 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3167
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3168 default:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3169 error ("%s: invalid class name", fcn);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3170 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3171 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3172 }
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3173 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3174
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3175 return retval;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3176 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3177
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3178 static octave_value
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3179 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	3180 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3181 octave_value retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3182
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3183 int nargin = args.length ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3184
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3185 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	3186
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3187 dim_vector dims (1, 1);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3188
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3189 if (nargin > 0 && args(nargin-1).is_string ())
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3190 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3191 std::string nm = args(nargin-1).string_value ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3192 nargin--;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3193
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3194 dt = oct_data_conv::string_to_data_type (nm);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3195
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3196 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3197 return retval;
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3198 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3199
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3200 switch (nargin)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3201 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3202 case 0:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3203 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3204
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3205 case 1:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3206 get_dimensions (args(0), fcn, dims);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3207 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3208
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3209 default:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3210 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3211 dims.resize (nargin);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3212
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3213 for (int i = 0; i < nargin; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3214 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3215 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	3216
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3217 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3218 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3219 error ("%s: expecting scalar integer arguments", fcn);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3220 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3221 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3222 }
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3223 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3224 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3225 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3226
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3227 if (! error_state)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3228 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3229 dims.chop_trailing_singletons ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3230
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3231 check_dimensions (dims, fcn);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3232
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3233 // Note that automatic narrowing will handle conversion from
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3234 // NDArray to scalar.
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 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3237 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3238 switch (dt)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3239 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3240 case oct_data_conv::dt_single:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3241 retval = FloatNDArray (dims, static_cast <float> (val));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3242 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3243
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3244 case oct_data_conv::dt_double:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3245 retval = NDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3246 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3247
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3248 default:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3249 error ("%s: invalid class name", fcn);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3250 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3251 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3252 }
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3253 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3254
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3255 return retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3256 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3257
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3258 static octave_value
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3259 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	3260 const char *fcn)
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3261 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3262 octave_value retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3263
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3264 int nargin = args.length ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3265
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3266 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	3267
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3268 dim_vector dims (1, 1);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3269
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3270 if (nargin > 0 && args(nargin-1).is_string ())
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3271 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3272 std::string nm = args(nargin-1).string_value ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3273 nargin--;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3274
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3275 dt = oct_data_conv::string_to_data_type (nm);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3276
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3277 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3278 return retval;
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3279 }
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 switch (nargin)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3282 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3283 case 0:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3284 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3285
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3286 case 1:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3287 get_dimensions (args(0), fcn, dims);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3288 break;
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 default:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3291 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3292 dims.resize (nargin);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3293
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3294 for (int i = 0; i < nargin; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3295 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3296 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	3297
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3298 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3299 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3300 error ("%s: expecting scalar integer arguments", fcn);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3301 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3302 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3303 }
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3304 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3305 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3306 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3307
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3308 if (! error_state)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3309 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3310 dims.chop_trailing_singletons ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3311
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3312 check_dimensions (dims, fcn);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3313
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3314 // Note that automatic narrowing will handle conversion from
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3315 // NDArray to scalar.
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3316
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3317 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3318 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3319 switch (dt)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3320 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3321 case oct_data_conv::dt_single:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3322 retval = FloatComplexNDArray (dims, static_cast<FloatComplex> (val));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3323 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3324
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3325 case oct_data_conv::dt_double:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3326 retval = ComplexNDArray (dims, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3327 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3328
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3329 default:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3330 error ("%s: invalid class name", fcn);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3331 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3332 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3333 }
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3334 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3335
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3336 return retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3337 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3338
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3339 static octave_value
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3340 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	3341 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3342 octave_value retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3343
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3344 int nargin = args.length ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3345
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3346 dim_vector dims (1, 1);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3347
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3348 switch (nargin)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3349 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3350 case 0:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3351 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3352
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3353 case 1:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3354 get_dimensions (args(0), fcn, dims);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3355 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3356
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3357 default:
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3358 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3359 dims.resize (nargin);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3360
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3361 for (int i = 0; i < nargin; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3362 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3363 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	3364
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3365 if (error_state)
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 error ("%s: expecting scalar integer arguments", fcn);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3368 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3369 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3370 }
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3371 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3372 break;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3373 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3374
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3375 if (! error_state)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3376 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3377 dims.chop_trailing_singletons ();
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3378
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3379 check_dimensions (dims, fcn);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3380
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3381 // Note that automatic narrowing will handle conversion from
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3382 // NDArray to scalar.
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3383
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3384 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3385 retval = boolNDArray (dims, val);
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3386 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3387
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3388 return retval;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3389 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3390
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	3391 DEFUN (ones, args, ,
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3392 "-- texinfo --\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3393 @deftypefn {Built-in Function} {} ones (@var{x})\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3394 @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	3395 @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	3396 @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	3397 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	3398 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	3399 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	3400 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	3401 given dimensions.\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3402 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3403 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	3404 use an expression like\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3405 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3406 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3407 val_matrix = val * ones (n, m)\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3408 @end example\n\
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3409 \n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3410 The optional argument @var{class} specifies the class of the return array\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	3411 and defaults to double. For example:\n\
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3412 \n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3413 @example\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3414 val = ones (n,m, \"uint8\")\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3415 @end example\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3416 @seealso{zeros}\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3417 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3418 {
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3419 return fill_matrix (args, 1, "ones");
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3420 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3421
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3422 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3423
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3424 %!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	3425 %!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	3426 %!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	3427 %!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	3428
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3429 %!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	3430 %!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	3431 %!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	3432 %!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	3433
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3434 %!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	3435 %!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	3436 %!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	3437 %!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	3438
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3439 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3440
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	3441 DEFUN (zeros, args, ,
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3442 "-- texinfo --\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3443 @deftypefn {Built-in Function} {} zeros (@var{x})\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3444 @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	3445 @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	3446 @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	3447 Return a matrix or N-dimensional array whose elements are all 0.\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3448 If invoked with a single scalar integer argument, return a square\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3449 matrix of the specified size. If invoked with two or more scalar\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3450 integer arguments, or a vector of integer values, return an array with\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3451 given dimensions.\n\
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3452 \n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3453 The optional argument @var{class} specifies the class of the return array\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	3454 and defaults to double. For example:\n\
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3455 \n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3456 @example\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3457 val = zeros (n,m, \"uint8\")\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	3458 @end example\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3459 @seealso{ones}\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	3460 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3461 {
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3462 return fill_matrix (args, 0, "zeros");
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3463 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3464
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3465 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3466
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3467 %!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	3468 %!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	3469 %!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	3470 %!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	3471
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3472 %!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	3473 %!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	3474 %!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	3475 %!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	3476
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3477 %!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	3478 %!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	3479 %!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	3480 %!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	3481
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3482 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3483
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3484 DEFUN (Inf, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3485 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3486 @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	3487 @deftypefnx {Built-in Function} {} Inf (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3488 @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	3489 @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	3490 @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	3491 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	3492 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	3493 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3494 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	3495 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	3496 produce infinity are division by zero and overflow.\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	3497 \n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3498 @example\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3499 @group\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3500 [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	3501 @result{}\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3502 Inf Inf\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3503 @end group\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3504 @end example\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3505 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3506 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	3507 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	3508 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	3509 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	3510 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	3511 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	3512 either \"double\" or \"single\".\n\
9308 f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	3513 @seealso{isinf}\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3514 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3515 {
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3516 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	3517 lo_ieee_float_inf_value (), "Inf");
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3518 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3519
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3520 DEFALIAS (inf, Inf);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3521
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3522 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3523
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3524 %!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	3525 %!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	3526 %!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	3527 %!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	3528
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3529 %!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	3530 %!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	3531 %!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	3532 %!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	3533
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3534 %!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	3535 %!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	3536 %!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	3537 %!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	3538
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3539 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3540
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3541 DEFUN (NaN, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3542 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3543 @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	3544 @deftypefnx {Built-in Function} {} NaN (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3545 @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	3546 @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	3547 @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	3548 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	3549 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	3550 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	3551 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	3552 @tex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3553 ($\\infty - \\infty$), zero divided by zero ($0/0$),\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3554 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	3555 @ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3556 (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	3557 @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	3558 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	3559 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3560 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	3561 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	3562 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	3563 \n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3564 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	3565 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	3566 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	3567 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	3568 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	3569 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	3570 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	3571 @seealso{isnan}\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3572 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3573 {
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3574 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	3575 lo_ieee_float_nan_value (), "NaN");
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3576 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3577
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3578 DEFALIAS (nan, NaN);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3579
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3580 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3581 %!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	3582 %!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	3583 %!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	3584 %!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	3585
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3586 %!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	3587 %!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	3588 %!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	3589 %!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	3590
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3591 %!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	3592 %!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	3593 %!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	3594 %!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	3595
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3596 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	3597
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3598 DEFUN (e, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3599 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3600 @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	3601 @deftypefnx {Built-in Function} {} e (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3602 @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	3603 @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	3604 @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	3605 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	3606 to the base of natural logarithms. The constant\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3607 @tex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3608 $e$ satisfies the equation $\\log (e) = 1$.\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3609 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	3610 @ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3611 @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	3612 @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	3613 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3614 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	3615 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	3616 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	3617 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	3618 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	3619 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	3620 either \"double\" or \"single\".\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3621 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3622 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3623 #if defined (M_E)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3624 double e_val = M_E;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3625 #else
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3626 double e_val = exp (1.0);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3627 #endif
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3628
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3629 return fill_matrix (args, e_val, "e");
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3630 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3631
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3632 DEFUN (eps, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3633 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3634 @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	3635 @deftypefnx {Built-in Function} {} eps (@var{x})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3636 @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	3637 @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	3638 @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	3639 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	3640 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	3641 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	3642 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	3643 floating point arithmetic, @code{eps} is approximately\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3644 @tex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3645 $2.2204\\times10^{-16}$ 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	3646 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	3647 @ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3648 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	3649 @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	3650 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	3651 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3652 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	3653 @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	3654 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	3655 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	3656 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	3657 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	3658 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	3659 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	3660 either \"double\" or \"single\".\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3661 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3662 {
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3663 int nargin = args.length ();
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3664 octave_value retval;
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3665
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3666 if (nargin == 1 && ! args(0).is_string ())
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3667 {
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3668 if (args(0).is_single_type ())
10315 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 float val = args(0).float_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3671
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3672 if (! error_state)
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 val = ::fabsf(val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3675 if (xisnan (val) \|\| xisinf (val))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3676 retval = fill_matrix (octave_value ("single"),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3677 lo_ieee_nan_value (),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3678 lo_ieee_float_nan_value (), "eps");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3679 else if (val < FLT_MIN)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3680 retval = fill_matrix (octave_value ("single"), 0e0,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3681 powf (2.0, -149e0), "eps");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3682 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3683 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3684 int expon;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3685 frexpf (val, &expon);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3686 val = std::pow (static_cast <float> (2.0),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3687 static_cast <float> (expon - 24));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3688 retval = fill_matrix (octave_value ("single"), DBL_EPSILON,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3689 val, "eps");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3690 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3691 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3692 }
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3693 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3694 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3695 double val = args(0).double_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3696
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3697 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3698 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3699 val = ::fabs(val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3700 if (xisnan (val) \|\| xisinf (val))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3701 retval = fill_matrix (octave_value_list (),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3702 lo_ieee_nan_value (),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3703 lo_ieee_float_nan_value (), "eps");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3704 else if (val < DBL_MIN)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3705 retval = fill_matrix (octave_value_list (),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3706 pow (2.0, -1074e0), 0e0, "eps");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3707 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3708 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3709 int expon;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3710 frexp (val, &expon);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3711 val = std::pow (static_cast <double> (2.0),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3712 static_cast <double> (expon - 53));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3713 retval = fill_matrix (octave_value_list (), val,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3714 FLT_EPSILON, "eps");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3715 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3716 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3717 }
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3718 }
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3719 else
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3720 retval = fill_matrix (args, DBL_EPSILON, FLT_EPSILON, "eps");
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3721
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3722 return retval;
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3723 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3724
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3725 /*
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3726
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3727 %!assert(eps(1/2),2^(-53))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3728 %!assert(eps(1),2^(-52))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3729 %!assert(eps(2),2^(-51))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3730 %!assert(eps(realmax),2^971)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3731 %!assert(eps(0),2^(-1074))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3732 %!assert(eps(realmin/2),2^(-1074))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3733 %!assert(eps(realmin/16),2^(-1074))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3734 %!assert(eps(Inf),NaN)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3735 %!assert(eps(NaN),NaN)
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3736 %!assert(eps(single(1/2)),single(2^(-24)))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3737 %!assert(eps(single(1)),single(2^(-23)))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3738 %!assert(eps(single(2)),single(2^(-22)))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3739 %!assert(eps(realmax('single')),single(2^104))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3740 %!assert(eps(single(0)),single(2^(-149)))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3741 %!assert(eps(realmin('single')/2),single(2^(-149)))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3742 %!assert(eps(realmin('single')/16),single(2^(-149)))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3743 %!assert(eps(single(Inf)),single(NaN))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3744 %!assert(eps(single(NaN)),single(NaN))
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3745
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3746 */
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3747
df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3748
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3749 DEFUN (pi, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3750 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3751 @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	3752 @deftypefnx {Built-in Function} {} pi (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3753 @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	3754 @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	3755 @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	3756 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	3757 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	3758 @tex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3759 diameter($\\pi$).\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3760 @end tex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3761 @ifnottex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3762 diameter.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3763 @end ifnottex\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3764 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	3765 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3766 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	3767 @tex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3768 $\\pi$.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3769 @end tex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3770 @ifnottex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3771 pi.\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3772 @end ifnottex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3773 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	3774 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	3775 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	3776 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	3777 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	3778 either \"double\" or \"single\".\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3779 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3780 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3781 #if defined (M_PI)
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3782 double pi_val = M_PI;
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3783 #else
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3784 double pi_val = 4.0 * atan (1.0);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3785 #endif
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3786
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3787 return fill_matrix (args, pi_val, "pi");
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3788 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3789
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3790 DEFUN (realmax, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3791 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3792 @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	3793 @deftypefnx {Built-in Function} {} realmax (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3794 @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	3795 @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	3796 @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	3797 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	3798 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	3799 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	3800 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	3801 @tex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3802 $1.7977\\times10^{308}$ 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	3803 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	3804 @ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3805 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	3806 @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	3807 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	3808 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3809 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	3810 @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	3811 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	3812 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	3813 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	3814 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	3815 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	3816 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	3817 @seealso{realmin, intmax, bitmax}\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3818 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3819 {
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3820 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	3821 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3822
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3823 DEFUN (realmin, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3824 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3825 @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	3826 @deftypefnx {Built-in Function} {} realmin (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3827 @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	3828 @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	3829 @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	3830 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	3831 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	3832 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	3833 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	3834 @tex\n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3835 $2.2251\\times10^{-308}$ 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	3836 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	3837 @ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3838 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	3839 @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	3840 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	3841 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3842 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	3843 @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	3844 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	3845 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	3846 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	3847 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	3848 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	3849 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	3850 @seealso{realmax, intmin}\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3851 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3852 {
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3853 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	3854 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3855
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3856 DEFUN (I, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3857 "-- texinfo --\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3858 @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	3859 @deftypefnx {Built-in Function} {} I (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3860 @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	3861 @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	3862 @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	3863 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	3864 to the pure imaginary unit, defined as\n\
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3865 @tex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3866 $\\sqrt{-1}$.\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3867 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	3868 @ifnottex\n\
9197 3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3869 @code{sqrt (-1)}.\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8487 diff changeset	3870 @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	3871 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	3872 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	3873 \n\
3c27a0340a64 Update documentation for section 17.8 (Mathematical Constants) of arith.texi Rik <rdrider0-list@yahoo.com> parents: 9194 diff changeset	3874 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	3875 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	3876 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	3877 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	3878 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	3879 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	3880 either \"double\" or \"single\".\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3881 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3882 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3883 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	3884 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3885
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3886 DEFALIAS (i, I);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3887 DEFALIAS (J, I);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3888 DEFALIAS (j, I);
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3889
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3890 DEFUN (NA, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3891 "-- texinfo --\n\
9308 f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	3892 @deftypefn {Built-in Function} {} NA\n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	3893 @deftypefnx {Built-in Function} {} NA (@var{n})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3894 @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	3895 @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	3896 @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	3897 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	3898 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	3899 \n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	3900 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	3901 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	3902 \n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	3903 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	3904 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	3905 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	3906 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	3907 arguments specify additional matrix dimensions.\n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	3908 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	3909 either \"double\" or \"single\".\n\
f2bf62f62286 Update documentation for NA and isna functions Rik <rdrider0-list@yahoo.com> parents: 9198 diff changeset	3910 @seealso{isna}\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3911 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3912 {
7795 df9519e9990c Handle single precision eps values David Bateman <dbateman@free.fr> parents: 7789 diff changeset	3913 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	3914 lo_ieee_float_na_value (), "NA");
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3915 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3916
7991 139f47cf17ab Change NA value to support single to double precision conversion David Bateman <dbateman@free.fr> parents: 7919 diff changeset	3917 /*
139f47cf17ab Change NA value to support single to double precision conversion David Bateman <dbateman@free.fr> parents: 7919 diff changeset	3918
139f47cf17ab Change NA value to support single to double precision conversion David Bateman <dbateman@free.fr> parents: 7919 diff changeset	3919 %!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	3920 %!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	3921
139f47cf17ab Change NA value to support single to double precision conversion David Bateman <dbateman@free.fr> parents: 7919 diff changeset	3922 */
139f47cf17ab Change NA value to support single to double precision conversion David Bateman <dbateman@free.fr> parents: 7919 diff changeset	3923
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3924 DEFUN (false, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3925 "-- texinfo --\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3926 @deftypefn {Built-in Function} {} false (@var{x})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3927 @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	3928 @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	3929 Return a matrix or N-dimensional array whose elements are all logical 0.\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3930 If invoked with a single scalar integer argument, return a square\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3931 matrix of the specified size. If invoked with two or more scalar\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3932 integer arguments, or a vector of integer values, return an array with\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3933 given dimensions.\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3934 @seealso{true}\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3935 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3936 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3937 return fill_matrix (args, false, "false");
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3938 }
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3939
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3940 DEFUN (true, args, ,
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3941 "-- texinfo --\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3942 @deftypefn {Built-in Function} {} true (@var{x})\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3943 @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	3944 @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	3945 Return a matrix or N-dimensional array whose elements are all logical 1.\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3946 If invoked with a single scalar integer argument, return a square\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3947 matrix of the specified size. If invoked with two or more scalar\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3948 integer arguments, or a vector of integer values, return an array with\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3949 given dimensions.\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	3950 @seealso{false}\n\
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3951 @end deftypefn")
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3952 {
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5734 diff changeset	3953 return fill_matrix (args, true, "true");
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	3954 }
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	3955
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3956 template <class MT>
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3957 octave_value
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3958 identity_matrix (int nr, int nc)
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3959 {
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3960 octave_value retval;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3961
9685 e793865ede63 implement builtin_type Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	3962 typename MT::element_type one (1);
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3963
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3964 if (nr == 1 && nc == 1)
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3965 retval = one;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3966 else
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3967 {
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3968 dim_vector dims (nr, nc);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3969
9685 e793865ede63 implement builtin_type Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	3970 typename MT::element_type zero (0);
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3971
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3972 MT m (dims, zero);
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3973
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3974 if (nr > 0 && nc > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3975 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3976 int n = std::min (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3977
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3978 for (int i = 0; i < n; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3979 m(i,i) = one;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	3980 }
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3981
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3982 retval = m;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3983 }
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3984
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3985 return retval;
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3986 }
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	3987
5058 11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3988 #define INSTANTIATE_EYE(T) \
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3989 template octave_value identity_matrix<T> (int, int)
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3990
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3991 INSTANTIATE_EYE (int8NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3992 INSTANTIATE_EYE (uint8NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3993 INSTANTIATE_EYE (int16NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3994 INSTANTIATE_EYE (uint16NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3995 INSTANTIATE_EYE (int32NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3996 INSTANTIATE_EYE (uint32NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3997 INSTANTIATE_EYE (int64NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	3998 INSTANTIATE_EYE (uint64NDArray);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	3999 INSTANTIATE_EYE (FloatNDArray);
5058 11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	4000 INSTANTIATE_EYE (NDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	4001 INSTANTIATE_EYE (boolNDArray);
11bea7392e69 [project @ 2004-11-01 21:06:44 by jwe] jwe parents: 5013 diff changeset	4002
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4003 static octave_value
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4004 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	4005 {
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4006 octave_value retval;
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4007
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5747 diff changeset	4008 // 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	4009 // 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	4010 // value.
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4011
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4012 if (! error_state)
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4013 {
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4014 switch (dt)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4015 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4016 case oct_data_conv::dt_int8:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4017 retval = identity_matrix<int8NDArray> (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4018 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4019
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4020 case oct_data_conv::dt_uint8:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4021 retval = identity_matrix<uint8NDArray> (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4022 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4023
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4024 case oct_data_conv::dt_int16:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4025 retval = identity_matrix<int16NDArray> (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4026 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4027
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4028 case oct_data_conv::dt_uint16:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4029 retval = identity_matrix<uint16NDArray> (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4030 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4031
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4032 case oct_data_conv::dt_int32:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4033 retval = identity_matrix<int32NDArray> (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4034 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4035
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4036 case oct_data_conv::dt_uint32:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4037 retval = identity_matrix<uint32NDArray> (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4038 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4039
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4040 case oct_data_conv::dt_int64:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4041 retval = identity_matrix<int64NDArray> (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4042 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4043
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4044 case oct_data_conv::dt_uint64:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4045 retval = identity_matrix<uint64NDArray> (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4046 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4047
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4048 case oct_data_conv::dt_single:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4049 retval = FloatDiagMatrix (nr, nc, 1.0f);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4050 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4051
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4052 case oct_data_conv::dt_double:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4053 retval = DiagMatrix (nr, nc, 1.0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4054 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4055
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4056 case oct_data_conv::dt_logical:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4057 retval = identity_matrix<boolNDArray> (nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4058 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4059
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4060 default:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4061 error ("eye: invalid class name");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4062 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4063 }
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4064 }
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4065
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4066 return retval;
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4067 }
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4068
4946 48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4069 #undef INT_EYE_MATRIX
48a39e2b2ab7 [project @ 2004-08-31 17:27:04 by jwe] jwe parents: 4945 diff changeset	4070
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	4071 DEFUN (eye, args, ,
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4072 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	4073 @deftypefn {Built-in Function} {} eye (@var{x})\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4074 @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	4075 @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	4076 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	4077 @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	4078 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	4079 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	4080 the values of the elements as the number of rows and columns,\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	4081 respectively. For example:\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4082 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4083 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4084 @group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4085 eye (3)\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4086 @result{} 1 0 0\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4087 0 1 0\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4088 0 0 1\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4089 @end group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4090 @end example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4091 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4092 The following expressions all produce the same result:\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4093 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4094 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4095 @group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4096 eye (2)\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4097 @equiv{}\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4098 eye (2, 2)\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4099 @equiv{}\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4100 eye (size ([1, 2; 3, 4])\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4101 @end group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4102 @end example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4103 \n\
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4104 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	4105 the specified type, like\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4106 \n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4107 @example\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4108 val = zeros (n,m, \"uint8\")\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4109 @end example\n\
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4110 \n\
6556 8810bbf321ce [project @ 2007-04-20 18:39:40 by jwe] jwe parents: 6518 diff changeset	4111 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	4112 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	4113 with @sc{matlab}.\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4114 @end deftypefn")
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4115 {
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	4116 octave_value retval;
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4117
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4118 int nargin = args.length ();
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4119
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4120 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	4121
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4122 // Check for type information.
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4123
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4124 if (nargin > 0 && args(nargin-1).is_string ())
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4125 {
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4126 std::string nm = args(nargin-1).string_value ();
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4127 nargin--;
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4128
7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4129 dt = oct_data_conv::string_to_data_type (nm);
7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4130
7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4131 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4132 return retval;
4945 4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4133 }
4bd917f8a4a7 [project @ 2004-08-31 15:09:17 by jwe] jwe parents: 4915 diff changeset	4134
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4135 switch (nargin)
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4136 {
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	4137 case 0:
4948 7124436476cb [project @ 2004-08-31 17:57:21 by jwe] jwe parents: 4947 diff changeset	4138 retval = identity_matrix (1, 1, dt);
712 36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe] jwe parents: 649 diff changeset	4139 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 767 diff changeset	4140
610 14b2a186a5c0 [project @ 1994-08-14 00:55:49 by jwe] jwe parents: 597 diff changeset	4141 case 1:
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	4142 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4143 octave_idx_type nr, nc;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4144 get_dimensions (args(0), "eye", nr, nc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4145
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4146 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4147 retval = identity_matrix (nr, nc, dt);
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	4148 }
610 14b2a186a5c0 [project @ 1994-08-14 00:55:49 by jwe] jwe parents: 597 diff changeset	4149 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 767 diff changeset	4150
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4151 case 2:
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	4152 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4153 octave_idx_type nr, nc;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4154 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	4155
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4156 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4157 retval = identity_matrix (nr, nc, dt);
3354 87721841efd7 [project @ 1999-11-17 19:06:11 by jwe] jwe parents: 3333 diff changeset	4158 }
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4159 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 767 diff changeset	4160
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4161 default:
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	4162 print_usage ();
523 4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4163 break;
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4164 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4165
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4166 return retval;
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4167 }
4a07f0083ab0 [project @ 1994-07-20 18:33:47 by jwe] jwe parents: diff changeset	4168
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4169
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4170 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4171
8459 d17874a6f161 improve indexing of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8458 diff changeset	4172 %!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	4173 %!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	4174
d17874a6f161 improve indexing of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8458 diff changeset	4175 %!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	4176 %!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	4177
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4178 %!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	4179 %!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	4180
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4181 %!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	4182
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4183 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4184
9658 3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4185 template <class MT>
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4186 static octave_value
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4187 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	4188 octave_idx_type n)
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4189 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4190 typedef typename MT::column_vector_type CVT;
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4191 typedef typename MT::element_type T;
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4192
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4193 octave_value retval;
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4194
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4195 if (base.is_scalar_type ())
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4196 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4197 T bs = octave_value_extract<T> (base);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4198 if (limit.is_scalar_type ())
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4199 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4200 T ls = octave_value_extract<T> (limit);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4201 retval = linspace (bs, ls, n);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4202 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4203 else
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4204 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4205 CVT lv = octave_value_extract<CVT> (limit);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4206 CVT bv (lv.length (), bs);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4207 retval = linspace (bv, lv, n);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4208 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4209 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4210 else
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4211 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4212 CVT bv = octave_value_extract<CVT> (base);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4213 if (limit.is_scalar_type ())
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4214 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4215 T ls = octave_value_extract<T> (limit);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4216 CVT lv (bv.length (), ls);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4217 retval = linspace (bv, lv, n);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4218 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4219 else
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4220 {
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4221 CVT lv = octave_value_extract<CVT> (limit);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4222 retval = linspace (bv, lv, n);
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4223 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4224 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4225
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4226 return retval;
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4227 }
3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4228
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1940 diff changeset	4229 DEFUN (linspace, args, ,
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4230 "-- texinfo --\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4231 @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	4232 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	4233 @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	4234 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	4235 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	4236 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	4237 value of 100 is used.\n\
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4238 \n\
9658 3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4239 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	4240 @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	4241 vectors, @code{linspace} returns a matrix.\n\
6630 0fcc8d65b571 [project @ 2007-05-16 15:32:09 by jwe] jwe parents: 6561 diff changeset	4242 \n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	4243 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	4244 fewer than two values are requested.\n\
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 3361 diff changeset	4245 @end deftypefn")
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4246 {
3418 ca92c9d3f882 [project @ 2000-01-12 03:07:47 by jwe] jwe parents: 3373 diff changeset	4247 octave_value retval;
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4248
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4249 int nargin = args.length ();
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4250
6133 e0065af38cf4 [project @ 2006-11-02 03:33:50 by jwe] jwe parents: 5991 diff changeset	4251 octave_idx_type npoints = 100;
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4252
1940 1b193e313c56 [project @ 1996-02-13 16:28:47 by jwe] jwe parents: 1884 diff changeset	4253 if (nargin != 2 && nargin != 3)
1b193e313c56 [project @ 1996-02-13 16:28:47 by jwe] jwe parents: 1884 diff changeset	4254 {
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	4255 print_usage ();
1940 1b193e313c56 [project @ 1996-02-13 16:28:47 by jwe] jwe parents: 1884 diff changeset	4256 return retval;
1b193e313c56 [project @ 1996-02-13 16:28:47 by jwe] jwe parents: 1884 diff changeset	4257 }
1b193e313c56 [project @ 1996-02-13 16:28:47 by jwe] jwe parents: 1884 diff changeset	4258
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4259 if (nargin == 3)
6133 e0065af38cf4 [project @ 2006-11-02 03:33:50 by jwe] jwe parents: 5991 diff changeset	4260 npoints = args(2).idx_type_value ();
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4261
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4262 if (! error_state)
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4263 {
3322 8c6b4de3bdc8 [project @ 1999-10-26 21:33:27 by jwe] jwe parents: 3321 diff changeset	4264 octave_value arg_1 = args(0);
8c6b4de3bdc8 [project @ 1999-10-26 21:33:27 by jwe] jwe parents: 3321 diff changeset	4265 octave_value arg_2 = args(1);
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4266
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7743 diff changeset	4267 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	4268 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4269 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	4270 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	4271 else
9658 3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4272 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	4273
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4274 }
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4275 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4276 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4277 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	4278 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	4279 else
9658 3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9562 diff changeset	4280 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	4281 }
1100 3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4282 }
4732 b484cdca27be [project @ 2004-02-04 04:32:48 by jwe] jwe parents: 4685 diff changeset	4283 else
b484cdca27be [project @ 2004-02-04 04:32:48 by jwe] jwe parents: 4685 diff changeset	4284 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	4285
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4286 return retval;
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4287 }
3b6f6c5217e7 [project @ 1995-02-14 01:45:09 by jwe] jwe parents: 1032 diff changeset	4288
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4289
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4290 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4291
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4292 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4293 %! 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	4294 %! 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	4295 %! 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	4296 %! 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	4297 %! && 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	4298 %! && 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	4299
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4300
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4301 % 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	4302
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4303 %!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	4304 %!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	4305
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4306 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4307 %! 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	4308
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4309 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4310
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5747 diff changeset	4311 // 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	4312 // 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	4313
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4314 DEFUN (resize, args, ,
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4315 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	4316 @deftypefn {Built-in Function} {} resize (@var{x}, @var{m})\n\
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4317 @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	4318 @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	4319 Resize @var{x} cutting off elements as necessary.\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4320 \n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4321 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	4322 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	4323 otherwise, the element is set to zero.\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4324 \n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4325 In other words, the statement\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4326 \n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4327 @example\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4328 y = resize (x, dv);\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4329 @end example\n\
6174 d3c599afc455 [project @ 2006-11-16 17:52:02 by jwe] jwe parents: 6156 diff changeset	4330 \n\
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4331 @noindent\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4332 is equivalent to the following code:\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4333 \n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4334 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	4335 @group\n\
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4336 y = zeros (dv, class (x));\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4337 sz = min (dv, size (x));\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4338 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	4339 y(idx@{:@}) = x(idx@{:@});\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	4340 @end group\n\
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4341 @end example\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4342 \n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4343 @noindent\n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4344 but is performed more efficiently.\n\
6174 d3c599afc455 [project @ 2006-11-16 17:52:02 by jwe] jwe parents: 6156 diff changeset	4345 \n\
d3c599afc455 [project @ 2006-11-16 17:52:02 by jwe] jwe parents: 6156 diff changeset	4346 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	4347 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	4348 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	4349 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	4350 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	4351 \n\
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4352 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	4353 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	4354 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	4355 @seealso{reshape, postpad}\n\
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4356 @end deftypefn")
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4357 {
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4358 octave_value retval;
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4359 int nargin = args.length ();
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4360
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4361 if (nargin == 2)
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4362 {
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4363 Array<double> vec = args(1).vector_value ();
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4364 int ndim = vec.length ();
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4365 if (ndim == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4366 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4367 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	4368 retval = args(0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4369 retval = retval.resize (dim_vector (m, m), true);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4370 }
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4371 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4372 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4373 dim_vector dv;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4374 dv.resize (ndim);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4375 for (int i = 0; i < ndim; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4376 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	4377 retval = args(0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4378 retval = retval.resize (dv, true);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4379 }
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4380 }
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4381 else if (nargin > 2)
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4382 {
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4383 dim_vector dv;
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4384 dv.resize (nargin - 1);
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4385 for (octave_idx_type i = 1; i < nargin; i++)
f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4386 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	4387 if (!error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4388 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4389 retval = args(0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4390 retval = retval.resize (dv, true);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4391 }
8799 f6dc6eb57045 improve resize & resize on assignment Jaroslav Hajek <highegg@gmail.com> parents: 8780 diff changeset	4392
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4393 }
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4394 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	4395 print_usage ();
5731 c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4396 return retval;
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4397 }
c7d5a534afa5 [project @ 2006-04-03 19:33:26 by jwe] jwe parents: 5724 diff changeset	4398
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5747 diff changeset	4399 // FIXME -- should use octave_idx_type for dimensions.
5734 a7d2c47371d2 [project @ 2006-04-04 18:29:13 by jwe] jwe parents: 5731 diff changeset	4400
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4401 DEFUN (reshape, args, ,
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4402 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	4403 @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	4404 @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	4405 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	4406 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	4407 column-major order (like Fortran arrays are stored).\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4408 \n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	4409 For example:\n\
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4410 \n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4411 @example\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4412 @group\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4413 reshape ([1, 2, 3, 4], 2, 2)\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4414 @result{} 1 3\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4415 2 4\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4416 @end group\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4417 @end example\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4418 \n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4419 @noindent\n\
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4420 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	4421 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	4422 \n\
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4423 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	4424 by an empty argument.\n\
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4425 @end deftypefn")
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4426 {
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4427 octave_value retval;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4428
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4429 int nargin = args.length ();
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4430
10693 d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4431 dim_vector new_dims;
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4432
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4433 if (nargin == 2)
10693 d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4434 {
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4435 Array<octave_idx_type> new_size = args(1).octave_idx_type_vector_value ();
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4436
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4437 new_dims = dim_vector::alloc (new_size.length ());
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4438
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4439 for (octave_idx_type i = 0; i < new_size.length (); i++)
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4440 {
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4441 if (new_size(i) < 0)
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4442 {
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4443 error ("reshape: size must be nonnegative");
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4444 break;
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4445 }
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4446 else
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4447 new_dims(i) = new_size(i);
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4448 }
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4449 }
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4450 else if (nargin > 2)
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4451 {
10693 d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4452 new_dims = dim_vector::alloc (nargin-1);
5013 1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4453 int empty_dim = -1;
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4454
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4455 for (int i = 1; i < nargin; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4456 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4457 if (args(i).is_empty ())
10693 d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4458 {
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4459 if (empty_dim > 0)
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4460 {
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4461 error ("reshape: only a single dimension can be unknown");
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4462 break;
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4463 }
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4464 else
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4465 {
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4466 empty_dim = i;
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4467 new_dims(i-1) = 1;
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4468 }
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4469 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4470 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4471 {
10693 d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4472 new_dims(i-1) = args(i).idx_type_value ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4473
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4474 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4475 break;
10693 d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4476 else if (new_dims(i-1) < 0)
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4477 {
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4478 error ("reshape: size must be nonnegative");
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4479 break;
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4480 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4481 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4482 }
5013 1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4483
1eb9ce5c0152 [project @ 2004-09-21 22:18:07 by jwe] jwe parents: 4986 diff changeset	4484 if (! error_state && (empty_dim > 0))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4485 {
10693 d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4486 octave_idx_type nel = new_dims.numel ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4487
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4488 if (nel == 0)
10693 d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4489 new_dims(empty_dim-1) = 0;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4490 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4491 {
10693 d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4492 octave_idx_type a_nel = args(0).numel ();
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4493 octave_idx_type size_empty_dim = a_nel / nel;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4494
10693 d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4495 if (a_nel != size_empty_dim * nel)
d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4496 error ("reshape: size is not divisible by the product of known dimensions (= %d)", nel);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4497 else
10693 d95a6e491a6c improve reshape Jaroslav Hajek <highegg@gmail.com> parents: 10687 diff changeset	4498 new_dims(empty_dim-1) = size_empty_dim;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4499 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4500 }
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4501 }
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4502 else
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4503 {
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	4504 print_usage ();
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4505 return retval;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4506 }
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4507
10352 a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	4508 if (! error_state)
a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	4509 retval = args(0).reshape (new_dims);
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4510
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4511 return retval;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4512 }
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	4513
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4514 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4515
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4516 %!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	4517 %!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	4518 %!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	4519 %!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	4520
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4521 %!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	4522 %!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	4523 %!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	4524 %!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	4525
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4526 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4527 %! 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	4528 %! 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	4529
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4530 %!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	4531 %!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	4532
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4533 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4534
10694 d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4535 DEFUN (vec, args, ,
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4536 "-- texinfo --\n\
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4537 @deftypefn {Built-in Function} {} vec (@var{x})\n\
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4538 Return the vector obtained by stacking the columns of the matrix @var{x}\n\
10711 fbd7843974fa Periodic grammar check of documentation files to ensure common format. Rik <octave@nomad.inbox5.com> parents: 10707 diff changeset	4539 one above the other. Equivalent to @code{@var{x}(:)}. Useful for functional\n\
10694 d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4540 programming.\n\
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4541 @end deftypefn")
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4542 {
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4543 octave_value retval;
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4544
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4545 if (args.length () == 1)
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4546 {
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4547 octave_value colon (octave_value::magic_colon_t);
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4548 octave_value arg = args(0);
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4549 retval = arg.single_subsref ("(", colon);
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4550 }
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4551 else
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4552 print_usage ();
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4553
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4554 return retval;
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4555 }
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4556
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4557 /*
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4558
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4559 %!assert(vec ([1, 2; 3, 4]), [1; 3; 2; 4])
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4560 %!assert(vec ([1, 3, 2, 4]) == [1; 3; 2; 4]);
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4561
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4562 %!error vec ();
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4563
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4564 %!error vec (1, 2);
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4565
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4566 */
d97165928d05 implement built-in vec() Jaroslav Hajek <highegg@gmail.com> parents: 10693 diff changeset	4567
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4568 DEFUN (squeeze, args, ,
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4569 "-- texinfo --\n\
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4570 @deftypefn {Built-in Function} {} squeeze (@var{x})\n\
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4571 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	4572 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	4573 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	4574 @end deftypefn")
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4575 {
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4576 octave_value retval;
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4577
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4578 if (args.length () == 1)
4545 c16f153836a0 [project @ 2003-10-24 04:45:45 by jwe] jwe parents: 4532 diff changeset	4579 retval = args(0).squeeze ();
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4580 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5798 diff changeset	4581 print_usage ();
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4582
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4583 return retval;
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4584 }
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4516 diff changeset	4585
8458 d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4586 DEFUN (full, args, ,
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4587 "-- texinfo --\n\
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4588 @deftypefn {Loadable Function} {@var{FM} =} full (@var{SM})\n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	4589 returns a full storage matrix from a sparse, diagonal, permutation matrix\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	4590 or a range.\n\
8458 d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4591 @seealso{sparse}\n\
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4592 @end deftypefn")
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4593 {
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4594 octave_value retval;
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4595
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4596 if (args.length () == 1)
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4597 retval = args(0).full_value ();
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4598 else
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4599 print_usage ();
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4600
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4601 return retval;
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4602 }
d254a21e0120 reimplement full as method of octave_base_value Jaroslav Hajek <highegg@gmail.com> parents: 8433 diff changeset	4603
6945 6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6887 diff changeset	4604 // Compute various norms of the vector X.
6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6887 diff changeset	4605
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4606 DEFUN (norm, args, ,
6508 184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4607 "-- texinfo --\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	4608 @deftypefn {Built-in Function} {} norm (@var{a})\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	4609 @deftypefnx {Built-in Function} {} norm (@var{a}, @var{p})\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	4610 @deftypefnx {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	4611 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	4612 missing, @code{p = 2} is assumed.\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4613 \n\
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4614 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	4615 \n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4616 @table @asis\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4617 @item @var{p} = @code{1}\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4618 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	4619 \n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4620 @item @var{p} = @code{2}\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4621 Largest singular value of @var{a}.\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4622 \n\
7189 e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7145 diff changeset	4623 @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	4624 @cindex infinity norm\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4625 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	4626 \n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4627 @item @var{p} = @code{\"fro\"}\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4628 @cindex Frobenius norm\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4629 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	4630 \n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4631 @item other @var{p}, @code{@var{p} > 1}\n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4632 @cindex general p-norm \n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4633 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	4634 @end table\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4635 \n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4636 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	4637 \n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4638 @table @asis\n\
7189 e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7145 diff changeset	4639 @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	4640 @code{max (abs (@var{a}))}.\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4641 \n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4642 @item @var{p} = @code{-Inf}\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4643 @code{min (abs (@var{a}))}.\n\
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4644 \n\
7189 e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7145 diff changeset	4645 @item @var{p} = @code{\"fro\"}\n\
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7145 diff changeset	4646 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	4647 \n\
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4648 @item @var{p} = 0\n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4649 Hamming norm - the number of nonzero elements.\n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4650 \n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4651 @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	4652 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	4653 \n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4654 @item other @var{p} @code{@var{p} < 1}\n\
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4655 the p-pseudonorm defined as above.\n\
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4656 @end table\n\
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4657 \n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	4658 If @var{opt} is the value @code{\"rows\"}, treat each row as a vector and\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	4659 compute its norm. The result is returned as a column vector.\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	4660 Similarly, if @var{opt} is @code{\"columns\"} or @code{\"cols\"} then compute\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10682 diff changeset	4661 the norms of each column and return a row vector.\n\
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4662 @seealso{cond, svd}\n\
6508 184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4663 @end deftypefn")
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4664 {
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4665 octave_value_list retval;
6508 184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4666
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4667 int nargin = args.length ();
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4668
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4669 if (nargin >= 1 && nargin <= 3)
6508 184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4670 {
6953 4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4671 octave_value x_arg = args(0);
4567a35e0777 [project @ 2007-10-04 02:53:11 by jwe] jwe parents: 6945 diff changeset	4672
10185 455759a5fcbe fix norm and svd on empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 10182 diff changeset	4673 if (x_arg.ndims () == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4674 {
8303 b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4675 enum { sfmatrix, sfcols, sfrows, sffrob, sfinf } strflag = sfmatrix;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4676 if (nargin > 1 && args(nargin-1).is_string ())
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4677 {
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4678 std::string str = args(nargin-1).string_value ();
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4679 if (str == "cols" \|\| str == "columns")
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4680 strflag = sfcols;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4681 else if (str == "rows")
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4682 strflag = sfrows;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4683 else if (str == "fro")
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4684 strflag = sffrob;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4685 else if (str == "inf")
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4686 strflag = sfinf;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4687 else
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4688 error ("norm: unrecognized option: %s", str.c_str ());
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4689 // 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	4690 nargin --;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4691 }
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4692 else if (nargin > 1 && ! args(1).is_scalar_type ())
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4693 gripe_wrong_type_arg ("norm", args(1), true);
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4694
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4695 if (! error_state)
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4696 {
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4697 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	4698 switch (strflag)
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4699 {
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4700 case sfmatrix:
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4701 retval(0) = xnorm (x_arg, p_arg);
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4702 break;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4703 case sfcols:
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4704 retval(0) = xcolnorms (x_arg, p_arg);
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4705 break;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4706 case sfrows:
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4707 retval(0) = xrownorms (x_arg, p_arg);
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4708 break;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4709 case sffrob:
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4710 retval(0) = xfrobnorm (x_arg);
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4711 break;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4712 case sfinf:
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4713 retval(0) = xnorm (x_arg, octave_Inf);
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4714 break;
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4715 }
b11c31849b44 improve norm computation capabilities Jaroslav Hajek <highegg@gmail.com> parents: 8286 diff changeset	4716 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4717 }
6508 184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4718 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	4719 error ("norm: only valid for 2-D objects");
6508 184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4720 }
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4721 else
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4722 print_usage ();
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4723
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4724 return retval;
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4725 }
184ab67c3bc1 [project @ 2007-04-07 00:43:09 by jwe] jwe parents: 6401 diff changeset	4726
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4727 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4728 %!shared x
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4729 %! 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	4730 %!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	4731 %!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	4732 %!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	4733 %!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	4734 %!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	4735 %!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	4736 %!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	4737 %!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	4738 %!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	4739 %!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	4740 %!shared m
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4741 %! 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	4742 %!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	4743 %!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	4744 %!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	4745 %!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	4746 %!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	4747 %! 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	4748 %! 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	4749 %! 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	4750 %!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	4751 %!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	4752
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4753 %!shared x
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4754 %! 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	4755 %!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	4756 %!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	4757 %!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	4758 %!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	4759 %!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	4760 %!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	4761 %!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	4762 %!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	4763 %!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	4764 %!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	4765 %!shared m
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4766 %! 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	4767 %!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	4768 %!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	4769 %!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	4770 %!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	4771 %!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	4772 %! 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	4773 %! 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	4774 %! 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	4775 %!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	4776 %!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	4777 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4778
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4779 static octave_value
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4780 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	4781 const octave_value_list& args)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4782 {
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4783 octave_value retval;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4784 if (args.length () == 1)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4785 retval = do_unary_op (op, args(0));
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4786 else
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4787 print_usage ();
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4788
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4789 return retval;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4790 }
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4791
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4792 DEFUN (not, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4793 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4794 @deftypefn {Built-in Function} {} not (@var{x})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4795 This function is equivalent to @code{! x}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4796 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4797 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4798 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	4799 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4800
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4801 DEFUN (uplus, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4802 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4803 @deftypefn {Built-in Function} {} uplus (@var{x})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4804 This function is equivalent to @code{+ x}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4805 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4806 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4807 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	4808 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4809
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4810 DEFUN (uminus, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4811 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4812 @deftypefn {Built-in Function} {} uminus (@var{x})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4813 This function is equivalent to @code{- x}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4814 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4815 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4816 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	4817 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4818
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4819 DEFUN (transpose, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4820 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4821 @deftypefn {Built-in Function} {} transpose (@var{x})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4822 This function is equivalent to @code{x.'}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4823 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4824 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4825 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	4826 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4827
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4828 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4829
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4830 %!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	4831 %!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	4832 %!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	4833 %!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	4834 %!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	4835 %!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	4836
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4837 %!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	4838
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4839 %!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	4840 %!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	4841 %!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	4842 %!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	4843 %!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	4844 %!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	4845
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4846 %!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	4847
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4848 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4849
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4850 DEFUN (ctranspose, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4851 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4852 @deftypefn {Built-in Function} {} ctranspose (@var{x})\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4853 This function is equivalent to @code{x'}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4854 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4855 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4856 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	4857 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4858
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4859 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4860
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4861 %!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	4862 %!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	4863 %!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	4864 %!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	4865 %!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	4866 %!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	4867
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4868 %!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	4869
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4870 %!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	4871 %!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	4872 %!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	4873 %!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	4874 %!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	4875 %!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	4876
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4877 %!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	4878
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4879 */
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	4880
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4881 static octave_value
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4882 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	4883 const octave_value_list& args)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4884 {
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4885 octave_value retval;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4886
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4887 if (args.length () == 2)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4888 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	4889 else
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4890 print_usage ();
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4891
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4892 return retval;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4893 }
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4894
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4895 static octave_value
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4896 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	4897 octave_value::assign_op aop,
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4898 const octave_value_list& args)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4899 {
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4900 octave_value retval;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4901 int nargin = args.length ();
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4902
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4903 switch (nargin)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4904 {
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4905 case 0:
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4906 print_usage ();
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4907 break;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4908 case 1:
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4909 retval = args(0);
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4910 break;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4911 case 2:
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4912 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	4913 break;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4914 default:
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4915 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	4916 for (int i = 2; i < nargin; i++)
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4917 retval.assign (aop, args(i));
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4918 break;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4919 }
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4920
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4921 return retval;
76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4922 }
9339 c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4923
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4924 DEFUN (plus, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4925 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	4926 @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	4927 @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	4928 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	4929 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	4930 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	4931 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4932 @example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4933 (@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	4934 @end example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4935 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4936 At least one argument is needed.\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4937 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4938 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4939 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	4940 octave_value::op_add_eq, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4941 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4942
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4943 DEFUN (minus, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4944 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4945 @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	4946 This function is equivalent to @code{x - y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4947 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4948 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4949 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	4950 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4951
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4952 DEFUN (mtimes, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4953 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	4954 @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	4955 @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	4956 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	4957 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	4958 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	4959 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4960 @example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4961 (@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	4962 @end example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4963 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	4964 At least one argument is needed.\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4965 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4966 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4967 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	4968 octave_value::op_mul_eq, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4969 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4970
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4971 DEFUN (mrdivide, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4972 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4973 @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	4974 This function is equivalent to @code{x / y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4975 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4976 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4977 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	4978 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4979
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4980 DEFUN (mpower, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4981 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4982 @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	4983 This function is equivalent to @code{x ^ y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4984 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4985 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4986 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	4987 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4988
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4989 DEFUN (mldivide, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4990 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4991 @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	4992 This function is equivalent to @code{x \\ y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4993 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4994 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	4995 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	4996 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4997
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4998 DEFUN (lt, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	4999 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5000 @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	5001 This function is equivalent to @code{x < y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5002 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5003 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5004 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	5005 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5006
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5007 DEFUN (le, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5008 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5009 @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	5010 This function is equivalent to @code{x <= y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5011 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5012 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5013 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	5014 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5015
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5016 DEFUN (eq, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5017 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5018 @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	5019 This function is equivalent to @code{x == y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5020 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5021 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5022 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	5023 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5024
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5025 DEFUN (ge, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5026 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5027 @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	5028 This function is equivalent to @code{x >= y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5029 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5030 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5031 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	5032 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5033
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5034 DEFUN (gt, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5035 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5036 @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	5037 This function is equivalent to @code{x > y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5038 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5039 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5040 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	5041 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5042
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5043 DEFUN (ne, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5044 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5045 @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	5046 This function is equivalent to @code{x != y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5047 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5048 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5049 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	5050 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5051
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5052 DEFUN (times, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5053 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	5054 @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	5055 @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	5056 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	5057 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	5058 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	5059 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5060 @example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5061 (@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	5062 @end example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5063 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5064 At least one argument is needed.\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5065 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5066 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5067 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	5068 octave_value::op_el_mul_eq, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5069 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5070
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5071 DEFUN (rdivide, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5072 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5073 @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	5074 This function is equivalent to @code{x ./ y}.\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5075 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5076 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5077 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	5078 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5079
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5080 DEFUN (power, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5081 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5082 @deftypefn {Built-in Function} {} power (@var{x}, @var{y})\n\
7623 431f3788f5c4 minor doc patch David Bateman <dbateman@free.fr> parents: 7620 diff changeset	5083 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	5084 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5085 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5086 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	5087 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5088
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5089 DEFUN (ldivide, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5090 "-- texinfo --\n\
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5091 @deftypefn {Built-in Function} {} ldivide (@var{x}, @var{y})\n\
7623 431f3788f5c4 minor doc patch David Bateman <dbateman@free.fr> parents: 7620 diff changeset	5092 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	5093 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5094 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5095 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	5096 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5097
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5098 DEFUN (and, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5099 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	5100 @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	5101 @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	5102 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	5103 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	5104 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	5105 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5106 @example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5107 (@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	5108 @end example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5109 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5110 At least one argument is needed.\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5111 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5112 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5113 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	5114 octave_value::op_el_and_eq, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5115 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5116
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5117 DEFUN (or, args, ,
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5118 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	5119 @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	5120 @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	5121 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	5122 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	5123 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	5124 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5125 @example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5126 (@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	5127 @end example\n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5128 \n\
c0b104835d0d allow multiple arguments in plus,times,mtimes,and,or Jaroslav Hajek <highegg@gmail.com> parents: 9329 diff changeset	5129 At least one argument is needed.\n\
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5130 @end deftypefn")
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5131 {
9555 76ecc571879e improve unop/binop implementation in data.cc Jaroslav Hajek <highegg@gmail.com> parents: 9517 diff changeset	5132 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	5133 octave_value::op_el_or_eq, args);
6518 952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5134 }
952c8b00525e [project @ 2007-04-11 20:50:22 by jwe] jwe parents: 6508 diff changeset	5135
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5136 static double tic_toc_timestamp = -1.0;
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5137
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5138 DEFUN (tic, args, nargout,
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5139 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	5140 @deftypefn {Built-in Function} {} tic ()\n\
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5141 @deftypefnx {Built-in Function} {} toc ()\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5142 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	5143 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	5144 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	5145 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5146 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	5147 @group\n\
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5148 tic ();\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	5149 # many computations later@dots{}\n\
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5150 elapsed_time = toc ();\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9041 diff changeset	5151 @end group\n\
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5152 @end example\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5153 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5154 @noindent\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5155 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	5156 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	5157 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5158 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	5159 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	5160 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5161 @example\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5162 @group\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5163 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	5164 @result{} 5\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5165 @end group\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5166 @end example\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5167 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5168 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	5169 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	5170 recent call to @code{tic}.\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5171 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5172 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	5173 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	5174 @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	5175 between the calls. This may include time spent processing other jobs or\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	5176 doing nothing at all. For example:\n\
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5177 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5178 @example\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5179 @group\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5180 tic (); sleep (5); toc ()\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5181 @result{} 5\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5182 t = cputime (); sleep (5); cputime () - t\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5183 @result{} 0\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5184 @end group\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5185 @end example\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5186 \n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5187 @noindent\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5188 (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	5189 coarse resolution.)\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5190 @end deftypefn")
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5191 {
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5192 octave_value retval;
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5193
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5194 int nargin = args.length ();
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5195
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5196 if (nargin != 0)
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5197 warning ("tic: ignoring extra arguments");
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5198
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5199 octave_time now;
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5200
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5201 double tmp = now.double_value ();
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5202
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5203 if (nargout > 0)
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5204 retval = static_cast<octave_uint64> (1e6 * tmp);
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5205 else
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5206 tic_toc_timestamp = tmp;
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5207
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5208 return retval;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5209 }
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5210
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5211 DEFUN (toc, args, nargout,
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5212 "-- texinfo --\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5213 @deftypefn {Built-in Function} {} toc ()\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5214 See tic.\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5215 @end deftypefn")
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5216 {
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5217 octave_value retval;
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5218
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5219 int nargin = args.length ();
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5220
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5221 if (nargin != 0)
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5222 warning ("tic: ignoring extra arguments");
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5223
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5224 if (tic_toc_timestamp < 0)
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5225 {
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5226 warning ("toc called before timer set");
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5227 if (nargout > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5228 retval = Matrix ();
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5229 }
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5230 else
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5231 {
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5232 octave_time now;
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5233
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5234 double tmp = now.double_value () - tic_toc_timestamp;
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5235
97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5236 if (nargout > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5237 retval = tmp;
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5238 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5239 octave_stdout << "Elapsed time is " << tmp << " seconds.\n";
7065 97db94ae2cf0 [project @ 2007-10-25 05:50:55 by jwe] jwe parents: 7045 diff changeset	5240 }
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5241
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5242 return retval;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5243 }
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5244
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5245 DEFUN (cputime, args, ,
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5246 "-- texinfo --\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5247 @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	5248 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	5249 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	5250 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	5251 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	5252 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	5253 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	5254 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	5255 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	5256 CPU time used is nonzero.\n\
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5257 @end deftypefn")
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5258 {
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5259 octave_value_list retval;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5260 int nargin = args.length ();
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5261 double usr = 0.0;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5262 double sys = 0.0;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5263
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5264 if (nargin != 0)
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5265 warning ("tic: ignoring extra arguments");
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5266
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5267 #if defined (HAVE_GETRUSAGE)
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5268
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5269 struct rusage ru;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5270
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5271 getrusage (RUSAGE_SELF, &ru);
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5272
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5273 usr = static_cast<double> (ru.ru_utime.tv_sec) +
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5274 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	5275
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5276 sys = static_cast<double> (ru.ru_stime.tv_sec) +
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5277 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	5278
10240 fa7b5751730c use gnulib time, sys_time, and sys_times modules John W. Eaton <jwe@octave.org> parents: 10185 diff changeset	5279 #else
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5280
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5281 struct tms t;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5282
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5283 times (&t);
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5284
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5285 unsigned long ticks;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5286 unsigned long seconds;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5287 unsigned long fraction;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5288
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5289 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	5290 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	5291 seconds = ticks / CLOCKS_PER_SEC;
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5292
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5293 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	5294 static_cast<double>(CLOCKS_PER_SEC);
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5295
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5296 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	5297 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	5298 seconds = ticks / CLOCKS_PER_SEC;
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5299
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5300 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	5301 static_cast<double>(CLOCKS_PER_SEC);
7045 271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5302
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5303 #endif
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5304
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5305 retval (2) = sys;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5306 retval (1) = usr;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5307 retval (0) = sys + usr;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5308
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5309 return retval;
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5310 }
271fa61d8fae [project @ 2007-10-22 11:52:38 by dbateman] dbateman parents: 7026 diff changeset	5311
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5312 DEFUN (sort, args, nargout,
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5313 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	5314 @deftypefn {Loadable Function} {[@var{s}, @var{i}] =} sort (@var{x})\n\
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5315 @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	5316 @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	5317 @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	5318 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	5319 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	5320 \n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	5321 For example:\n\
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5322 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5323 @example\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5324 @group\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5325 sort ([1, 2; 2, 3; 3, 1])\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5326 @result{} 1 1\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5327 2 2\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5328 3 3\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5329 @end group\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5330 @end example\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5331 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5332 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	5333 containing the original row indices of the elements in the sorted\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	5334 matrix. For example:\n\
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5335 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5336 @example\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5337 @group\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5338 [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	5339 @result{} s = 1 1\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5340 2 2\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5341 3 3\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5342 @result{} i = 1 3\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5343 2 1\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5344 3 2\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5345 @end group\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5346 @end example\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5347 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5348 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	5349 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	5350 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	5351 @code{mode} are `ascend' or `descend'.\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5352 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5353 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	5354 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	5355 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5356 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	5357 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	5358 \n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5359 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	5360 ordered lists.\n\
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5361 @end deftypefn")
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5362 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5363 octave_value_list retval;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5364
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5365 int nargin = args.length ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5366 sortmode smode = ASCENDING;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5367
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5368 if (nargin < 1 \|\| nargin > 3)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5369 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5370 print_usage ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5371 return retval;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5372 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5373
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5374 bool return_idx = nargout > 1;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5375
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5376 octave_value arg = args(0);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5377
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5378 int dim = 0;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5379 if (nargin > 1)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5380 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5381 if (args(1).is_string ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5382 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5383 std::string mode = args(1).string_value();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5384 if (mode == "ascend")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5385 smode = ASCENDING;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5386 else if (mode == "descend")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5387 smode = DESCENDING;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5388 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5389 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5390 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	5391 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5392 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5393 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5394 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5395 dim = args(1).nint_value () - 1;
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5396 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5397
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5398 if (nargin > 2)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5399 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5400 if (args(1).is_string ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5401 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5402 print_usage ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5403 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5404 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5405
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5406 if (! args(2).is_string ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5407 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5408 error ("sort: mode must be a string");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5409 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5410 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5411 std::string mode = args(2).string_value();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5412 if (mode == "ascend")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5413 smode = ASCENDING;
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5414 else if (mode == "descend")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5415 smode = DESCENDING;
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5416 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5417 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5418 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	5419 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5420 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5421 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5422
10285 22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	5423 const dim_vector dv = arg.dims ();
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5424 if (nargin == 1 \|\| args(1).is_string ())
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5425 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5426 // Find first non singleton dimension
10285 22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	5427 dim = dv.first_non_singleton ();
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5428 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5429 else
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5430 {
10703 5eb420d92307 fix sort and nth_element when trailing singleton dim is specified Jaroslav Hajek <highegg@gmail.com> parents: 10695 diff changeset	5431 if (dim < 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5432 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5433 error ("sort: dim must be a valid dimension");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5434 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5435 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5436 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5437
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5438 if (return_idx)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5439 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5440 Array<octave_idx_type> sidx;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5441
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5442 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	5443 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	5444 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5445 else
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5446 retval(0) = arg.sort (dim, smode);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5447
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5448 return retval;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5449 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5450
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5451 /*
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5452
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5453 %% Double
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5454 %!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	5455 %!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	5456 %!assert (sort ([NaN, 1, -1, 2, Inf], 2), [-1, 1, 2, Inf, NaN])
10707 69c5f5ec55d7 fix invalid sort tests Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	5457 %!assert (sort ([NaN, 1, -1, 2, Inf], 3), [NaN, 1, -1, 2, Inf])
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5458 %!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	5459 %!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	5460 %!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	5461 %!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	5462 %!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	5463 %!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	5464 %!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	5465 %!assert (sort (1), 1)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5466
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5467 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5468 %! [v, i] = sort ([NaN, 1, -1, Inf, 1]);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5469 %! assert (v, [-1, 1, 1, Inf, NaN])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5470 %! assert (i, [3, 2, 5, 4, 1])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5471
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5472 %% Complex
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5473 %!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	5474 %!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	5475 %!assert (sort ([NaN, 1i, -1, 2, Inf], 2), [1i, -1, 2, Inf, NaN])
10707 69c5f5ec55d7 fix invalid sort tests Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	5476 %!assert (sort ([NaN, 1i, -1, 2, Inf], 3), [NaN, 1i, -1, 2, Inf])
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5477 %!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	5478 %!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	5479 %!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	5480 %!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	5481 %!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	5482 %!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	5483 %!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	5484 %!assert (sort (1i), 1i)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5485
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5486 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5487 %! [v, i] = sort ([NaN, 1i, -1, Inf, 1, 1i]);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5488 %! assert (v, [1, 1i, 1i, -1, Inf, NaN])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5489 %! assert (i, [5, 2, 6, 3, 4, 1])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5490
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5491 %% Single
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5492 %!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	5493 %!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	5494 %!assert (sort (single([NaN, 1, -1, 2, Inf]), 2), single([-1, 1, 2, Inf, NaN]))
10707 69c5f5ec55d7 fix invalid sort tests Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	5495 %!assert (sort (single([NaN, 1, -1, 2, Inf]), 3), single([NaN, 1, -1, 2, Inf]))
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5496 %!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	5497 %!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	5498 %!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	5499 %!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	5500 %!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	5501 %!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	5502 %!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	5503 %!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	5504
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5505 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5506 %! [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	5507 %! 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	5508 %! 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	5509
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5510 %% Single Complex
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5511 %!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	5512 %!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	5513 %!assert (sort (single([NaN, 1i, -1, 2, Inf]), 2), single([1i, -1, 2, Inf, NaN]))
10707 69c5f5ec55d7 fix invalid sort tests Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	5514 %!assert (sort (single([NaN, 1i, -1, 2, Inf]), 3), single([NaN, 1i, -1, 2, Inf]))
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5515 %!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	5516 %!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	5517 %!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	5518 %!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	5519 %!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	5520 %!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	5521 %!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	5522 %!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	5523
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5524 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5525 %! [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	5526 %! 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	5527 %! 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	5528
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5529 %% Bool
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5530 %!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	5531 %!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	5532 %!assert (sort ([true, false, true, false], 2), [false, false, true, true])
10707 69c5f5ec55d7 fix invalid sort tests Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	5533 %!assert (sort ([true, false, true, false], 3), [true, false, true, false])
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5534 %!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	5535 %!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	5536 %!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	5537 %!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	5538 %!assert (sort (true), true)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5539
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5540 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5541 %! [v, i] = sort ([true, false, true, false]);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5542 %! assert (v, [false, false, true, true])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5543 %! assert (i, [2, 4, 1, 3])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5544
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5545 %% Sparse Double
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5546 %!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	5547 %!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	5548 %!assert (sort (sparse ([0, NaN, 1, 0, -1, 2, Inf]), 2), sparse ([-1, 0, 0, 1, 2, Inf, NaN]))
10707 69c5f5ec55d7 fix invalid sort tests Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	5549 %!assert (sort (sparse ([0, NaN, 1, 0, -1, 2, Inf]), 3), sparse ([0, NaN, 1, 0, -1, 2, Inf]))
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5550 %!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	5551 %!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	5552 %!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	5553 %!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	5554
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5555 %!shared a
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5556 %! a = randn (10, 10);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5557 %! a (a < 0) = 0;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5558 %!assert (sort (sparse (a)), sparse (sort (a)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5559 %!assert (sort (sparse (a), 1), sparse (sort (a, 1)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5560 %!assert (sort (sparse (a), 2), sparse (sort (a, 2)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5561 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5562 %! [v, i] = sort (a);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5563 %! [vs, is] = sort (sparse (a));
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5564 %! assert (vs, sparse (v))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5565 %! assert (is, i)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5566
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5567 %% Sparse Complex
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5568 %!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	5569 %!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	5570 %!assert (sort (sparse ([0, NaN, 1i, 0, -1, 2, Inf]), 2), sparse ([0, 0, 1i, -1, 2, Inf, NaN]))
10707 69c5f5ec55d7 fix invalid sort tests Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	5571 %!assert (sort (sparse ([0, NaN, 1i, 0, -1, 2, Inf]), 3), sparse ([0, NaN, 1i, 0, -1, 2, Inf]))
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5572 %!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	5573 %!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	5574 %!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	5575 %!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	5576
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5577 %!shared a
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5578 %! a = randn (10, 10);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5579 %! a (a < 0) = 0;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5580 %! a = 1i * a;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5581 %!assert (sort (sparse (a)), sparse (sort (a)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5582 %!assert (sort (sparse (a), 1), sparse (sort (a, 1)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5583 %!assert (sort (sparse (a), 2), sparse (sort (a, 2)))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5584 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5585 %! [v, i] = sort (a);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5586 %! [vs, is] = sort (sparse (a));
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5587 %! assert (vs, sparse (v))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5588 %! assert (is, i)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5589
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5590 %% Sparse Bool
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5591 %!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	5592 %!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	5593 %!assert (sort (sparse ([true, false, true, false]), 2), sparse ([false, false, true, true]))
10707 69c5f5ec55d7 fix invalid sort tests Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	5594 %!assert (sort (sparse ([true, false, true, false]), 3), sparse ([true, false, true, false]))
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5595 %!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	5596 %!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	5597 %!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	5598 %!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	5599
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5600 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5601 %! [v, i] = sort (sparse([true, false, true, false]));
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5602 %! assert (v, sparse([false, false, true, true]))
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5603 %! assert (i, [2, 4, 1, 3])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5604
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5605 %% Cell string array
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5606 %!shared a, b, c
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5607 %! a = {"Alice", "Cecile", "Eric", "Barry", "David"};
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5608 %! b = {"Alice", "Barry", "Cecile", "David", "Eric"};
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5609 %! c = {"Eric", "David", "Cecile", "Barry", "Alice"};
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5610 %!assert (sort (a), b);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5611 %!assert (sort (a, 1), a)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5612 %!assert (sort (a, 2), b)
10707 69c5f5ec55d7 fix invalid sort tests Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	5613 %!assert (sort (a, 3), a)
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5614 %!assert (sort (a, "ascend"), b)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5615 %!assert (sort (a, 2, "ascend"), b)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5616 %!assert (sort (a, "descend"), c)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5617 %!assert (sort (a, 2, "descend"), c)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5618
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5619 %!test
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5620 %! [v, i] = sort (a);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5621 %! assert (i, [1, 4, 2, 5, 3])
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5622
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7795 diff changeset	5623 %!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	5624 %!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	5625
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5626 */
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7269 diff changeset	5627
8812 7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8799 diff changeset	5628 // 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	5629 // 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	5630 // 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	5631 //
7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8799 diff changeset	5632 // 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	5633
8733 3ef774603887 rename all uses of sortrows_idx to sort_rows_idx John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	5634 DEFUN (__sort_rows_idx__, args, ,
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5635 "-- texinfo --\n\
9517 a85dbf7b6ff9 fix some functions help markup Jaroslav Hajek <highegg@gmail.com> parents: 9513 diff changeset	5636 @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	5637 Undocumented internal function.\n\
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5638 @end deftypefn\n")
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5639 {
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5640 octave_value retval;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5641
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5642 int nargin = args.length ();
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5643 sortmode smode = ASCENDING;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5644
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5645 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	5646 {
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5647 print_usage ();
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5648 return retval;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5649 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5650
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5651 if (nargin > 1)
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5652 {
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5653 std::string mode = args(1).string_value();
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5654 if (mode == "ascend")
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5655 smode = ASCENDING;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5656 else if (mode == "descend")
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5657 smode = DESCENDING;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5658 else
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5659 {
8733 3ef774603887 rename all uses of sortrows_idx to sort_rows_idx John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	5660 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	5661 return retval;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5662 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5663 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5664
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5665 octave_value arg = args(0);
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5666
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5667 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	5668 error ("__sort_rows_idx__: sparse matrices not yet supported");
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5669 if (arg.ndims () == 2)
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5670 {
8733 3ef774603887 rename all uses of sortrows_idx to sort_rows_idx John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	5671 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	5672
9351 e2344f4af0cb autocache indices returned from find et al. Jaroslav Hajek <highegg@gmail.com> parents: 9339 diff changeset	5673 retval = octave_value (idx, true, true);
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5674 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5675 else
8733 3ef774603887 rename all uses of sortrows_idx to sort_rows_idx John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	5676 error ("__sort_rows_idx__: needs a 2-dimensional object");
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5677
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5678 return retval;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5679 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5680
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5681 static sortmode
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5682 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	5683 {
10076 4b270d1540f7 avoid various GCC warnings John W. Eaton <jwe@octave.org> parents: 10073 diff changeset	5684 // 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	5685 // about possibly using sortmode uninitialized.
4b270d1540f7 avoid various GCC warnings John W. Eaton <jwe@octave.org> parents: 10073 diff changeset	5686 // 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	5687 sortmode smode = UNSORTED;
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5688
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5689 std::string mode = arg.string_value ();
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5690
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5691 if (error_state)
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5692 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	5693 else if (mode == "ascending")
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5694 smode = ASCENDING;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5695 else if (mode == "descending")
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5696 smode = DESCENDING;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5697 else if (mode == "either")
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5698 smode = UNSORTED;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5699 else
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5700 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	5701
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5702 return smode;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5703 }
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5704
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5705 DEFUN (issorted, args, ,
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5706 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	5707 @deftypefn {Built-in Function} {} issorted (@var{a}, @var{mode})\n\
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5708 @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	5709 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	5710 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	5711 @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	5712 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	5713 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	5714 options).\n\
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5715 \n\
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5716 This function does not yet support sparse matrices.\n\
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5717 @seealso{sortrows, sort}\n\
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5718 @end deftypefn\n")
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5719 {
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5720 octave_value retval;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5721
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5722 int nargin = args.length ();
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5723
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5724 if (nargin < 1 \|\| nargin > 3)
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5725 {
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5726 print_usage ();
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5727 return retval;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5728 }
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5729
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5730 bool by_rows = false;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5731
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5732 sortmode smode = ASCENDING;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5733
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5734 if (nargin > 1)
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5735 {
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5736 octave_value mode_arg;
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5737
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5738 if (nargin == 3)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5739 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	5740
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5741 std::string tmp = args(1).string_value ();
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5742
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5743 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5744 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5745 if (tmp == "rows")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5746 by_rows = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5747 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5748 smode = get_sort_mode_option (args(1), "second");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5749 }
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5750 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5751 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	5752
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5753 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5754 return retval;
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5755 }
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5756
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5757 octave_value arg = args(0);
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5758
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5759 if (by_rows)
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5760 {
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5761 if (arg.is_sparse_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5762 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	5763 if (arg.ndims () == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5764 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	5765 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5766 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	5767 }
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5768 else
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5769 {
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5770 if (arg.dims ().is_vector ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10303 diff changeset	5771 retval = args(0).is_sorted (smode) != UNSORTED;
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5772 else
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5773 error ("issorted: needs a vector");
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5774 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5775
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5776 return retval;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5777 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5778
9765 7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5779 /*
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5780 %!shared sm, um, sv, uv
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5781 %! sm = [1, 2; 3, 4];
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5782 %! um = [3, 1; 2, 4];
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5783 %! sv = [1, 2, 3, 4];
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5784 %! uv = [2, 1, 4, 3];
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5785 %!assert(issorted (sm, "rows"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5786 %!assert(!issorted (um, "rows"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5787 %!assert(issorted (sv));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5788 %!assert(!issorted (uv));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5789 %!assert(issorted (sv'));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5790 %!assert(!issorted (uv'));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5791 %!assert(issorted (sm, "rows", "ascending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5792 %!assert(!issorted (um, "rows", "ascending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5793 %!assert(issorted (sv, "ascending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5794 %!assert(!issorted (uv, "ascending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5795 %!assert(issorted (sv', "ascending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5796 %!assert(!issorted (uv', "ascending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5797 %!assert(!issorted (sm, "rows", "descending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5798 %!assert(issorted (flipud (sm), "rows", "descending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5799 %!assert(!issorted (sv, "descending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5800 %!assert(issorted (fliplr (sv), "descending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5801 %!assert(!issorted (sv', "descending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5802 %!assert(issorted (fliplr (sv)', "descending"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5803 %!assert(!issorted (um, "rows", "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5804 %!assert(!issorted (uv, "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5805 %!assert(issorted (sm, "rows", "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5806 %!assert(issorted (flipud (sm), "rows", "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5807 %!assert(issorted (sv, "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5808 %!assert(issorted (fliplr (sv), "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5809 %!assert(issorted (sv', "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5810 %!assert(issorted (fliplr (sv)', "either"));
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5811 */
7fc1c8c47b86 issorted: new option for sort mode John W. Eaton <jwe@octave.org> parents: 9758 diff changeset	5812
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5813 DEFUN (nth_element, args, ,
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5814 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	5815 @deftypefn {Built-in Function} {} nth_element (@var{x}, @var{n})\n\
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5816 @deftypefnx {Built-in Function} {} nth_element (@var{x}, @var{n}, @var{dim})\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	5817 Select the n-th smallest element of a vector, using the ordering defined by\n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	5818 @code{sort}. In other words, the result is equivalent to\n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	5819 @code{sort(@var{x})(@var{n})}.\n\
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5820 @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	5821 or descending @code{u:-1:l}, in which case a range of elements is returned.\n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	5822 If @var{x} is an array, @code{nth_element} operates along the dimension\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	5823 defined by @var{dim}, or the first non-singleton dimension if @var{dim} is\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	5824 not given.\n\
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5825 \n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	5826 nth_element encapsulates the C++ standard library algorithms nth_element and\n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	5827 partial_sort. On average, the complexity of the operation is O(M*log(K)),\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	5828 where @code{M = size(@var{x}, @var{dim})} and @code{K = length (@var{n})}.\n\
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5829 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	5830 it may be better to use @code{sort}.\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5831 @seealso{sort, min, max}\n\
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5832 @end deftypefn")
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5833 {
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5834 octave_value retval;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5835 int nargin = args.length ();
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5836
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5837 if (nargin == 2 \|\| nargin == 3)
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5838 {
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5839 octave_value argx = args(0);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5840
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5841 int dim = -1;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5842 if (nargin == 3)
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5843 {
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5844 dim = args(2).int_value (true) - 1;
10703 5eb420d92307 fix sort and nth_element when trailing singleton dim is specified Jaroslav Hajek <highegg@gmail.com> parents: 10695 diff changeset	5845 if (dim < 0)
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5846 error ("nth_element: dim must be a valid dimension");
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5847 }
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5848 if (dim < 0)
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5849 dim = argx.dims ().first_non_singleton ();
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5850
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5851 idx_vector n = args(1).index_vector ();
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5852
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5853 if (error_state)
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5854 return retval;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5855
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5856 switch (argx.builtin_type ())
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5857 {
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5858 case btyp_double:
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5859 retval = argx.array_value ().nth_element (n, dim);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5860 break;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5861 case btyp_float:
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5862 retval = argx.float_array_value ().nth_element (n, dim);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5863 break;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5864 case btyp_complex:
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5865 retval = argx.complex_array_value ().nth_element (n, dim);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5866 break;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5867 case btyp_float_complex:
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5868 retval = argx.float_complex_array_value ().nth_element (n, dim);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5869 break;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5870 #define MAKE_INT_BRANCH(X) \
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5871 case btyp_ ## X: \
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5872 retval = argx.X ## _array_value ().nth_element (n, dim); \
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5873 break
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5874
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5875 MAKE_INT_BRANCH (int8);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5876 MAKE_INT_BRANCH (int16);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5877 MAKE_INT_BRANCH (int32);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5878 MAKE_INT_BRANCH (int64);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5879 MAKE_INT_BRANCH (uint8);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5880 MAKE_INT_BRANCH (uint16);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5881 MAKE_INT_BRANCH (uint32);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5882 MAKE_INT_BRANCH (uint64);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5883 #undef MAKE_INT_BRANCH
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5884 default:
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5885 if (argx.is_cellstr ())
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5886 retval = argx.cellstr_value ().nth_element (n, dim);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5887 else
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5888 gripe_wrong_type_arg ("nth_element", argx);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5889 }
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5890 }
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5891 else
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5892 print_usage ();
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5893
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5894 return retval;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5895 }
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9723 diff changeset	5896
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5897 template <class NDT>
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5898 static NDT
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5899 do_accumarray_sum (const idx_vector& idx, const NDT& vals,
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5900 octave_idx_type n = -1)
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5901 {
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5902 typedef typename NDT::element_type T;
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5903 if (n < 0)
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5904 n = idx.extent (0);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5905 else if (idx.extent (n) > n)
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5906 error ("accumarray: index out of range");
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5907
9858 47c5af1868df move idx_add methods to MArrayN Jaroslav Hajek <highegg@gmail.com> parents: 9856 diff changeset	5908 NDT retval (dim_vector (n, 1), T());
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5909
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5910 if (vals.numel () == 1)
9858 47c5af1868df move idx_add methods to MArrayN Jaroslav Hajek <highegg@gmail.com> parents: 9856 diff changeset	5911 retval.idx_add (idx, vals (0));
47c5af1868df move idx_add methods to MArrayN Jaroslav Hajek <highegg@gmail.com> parents: 9856 diff changeset	5912 else if (vals.numel () == idx.length (n))
47c5af1868df move idx_add methods to MArrayN Jaroslav Hajek <highegg@gmail.com> parents: 9856 diff changeset	5913 retval.idx_add (idx, vals);
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5914 else
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5915 error ("accumarray: dimensions mismatch");
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5916
9858 47c5af1868df move idx_add methods to MArrayN Jaroslav Hajek <highegg@gmail.com> parents: 9856 diff changeset	5917 return retval;
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5918 }
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5919
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5920 DEFUN (__accumarray_sum__, args, ,
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5921 "-- texinfo --\n\
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5922 @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	5923 Undocumented internal function.\n\
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5924 @end deftypefn")
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5925 {
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5926 octave_value retval;
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5927 int nargin = args.length ();
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5928 if (nargin >= 2 && nargin <= 3 && args(0).is_numeric_type ())
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5929 {
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5930 idx_vector idx = args(0).index_vector ();
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5931 octave_idx_type n = -1;
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5932 if (nargin == 3)
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5933 n = args(2).idx_type_value (true);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5934
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5935 if (! error_state)
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5936 {
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5937 octave_value vals = args(1);
9198 3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	5938 if (vals.is_range ())
3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	5939 {
3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	5940 Range r = vals.range_value ();
3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	5941 if (r.inc () == 0)
3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	5942 vals = r.base ();
3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	5943 }
3b9aacf07744 optimize accumarray with constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9197 diff changeset	5944
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5945 if (vals.is_single_type ())
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5946 {
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5947 if (vals.is_complex_type ())
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5948 retval = do_accumarray_sum (idx, vals.float_complex_array_value (), n);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5949 else
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5950 retval = do_accumarray_sum (idx, vals.float_array_value (), n);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5951 }
10269 217d36560dfa small fixes to accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10268 diff changeset	5952 else if (vals.is_numeric_type () \|\| vals.is_bool_type ())
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5953 {
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5954 if (vals.is_complex_type ())
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5955 retval = do_accumarray_sum (idx, vals.complex_array_value (), n);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5956 else
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5957 retval = do_accumarray_sum (idx, vals.array_value (), n);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5958 }
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5959 else
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5960 gripe_wrong_type_arg ("accumarray", vals);
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5961 }
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5962 }
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5963 else
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5964 print_usage ();
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5965
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5966 return retval;
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	5967 }
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	5968
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	5969 template <class NDT>
10268 9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5970 static NDT
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5971 do_accumarray_minmax (const idx_vector& idx, const NDT& vals,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5972 octave_idx_type n, bool ismin,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5973 const typename NDT::element_type& zero_val)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5974 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5975 typedef typename NDT::element_type T;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5976 if (n < 0)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5977 n = idx.extent (0);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5978 else if (idx.extent (n) > n)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5979 error ("accumarray: index out of range");
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5980
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5981 NDT retval (dim_vector (n, 1), zero_val);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5982
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5983 // Pick minimizer or maximizer.
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	5984 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	5985 ismin ? (&MArray<T>::idx_min) : (&MArray<T>::idx_max);
10268 9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5986
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5987 octave_idx_type l = idx.length (n);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5988 if (vals.numel () == 1)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5989 (retval.*op) (idx, NDT (dim_vector (l, 1), vals(0)));
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5990 else if (vals.numel () == l)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5991 (retval.*op) (idx, vals);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5992 else
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5993 error ("accumarray: dimensions mismatch");
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5994
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5995 return retval;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5996 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5997
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5998 static octave_value_list
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	5999 do_accumarray_minmax_fun (const octave_value_list& args,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6000 bool ismin)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6001 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6002 octave_value retval;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6003 int nargin = args.length ();
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6004 if (nargin >= 3 && nargin <= 4 && args(0).is_numeric_type ())
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6005 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6006 idx_vector idx = args(0).index_vector ();
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6007 octave_idx_type n = -1;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6008 if (nargin == 4)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6009 n = args(3).idx_type_value (true);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6010
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6011 if (! error_state)
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6012 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6013 octave_value vals = args(1), zero = args (2);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6014
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6015 switch (vals.builtin_type ())
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6016 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6017 case btyp_double:
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6018 retval = do_accumarray_minmax (idx, vals.array_value (), n, ismin,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6019 zero.double_value ());
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6020 break;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6021 case btyp_float:
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6022 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	6023 zero.float_value ());
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6024 break;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6025 case btyp_complex:
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6026 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	6027 zero.complex_value ());
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6028 break;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6029 case btyp_float_complex:
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6030 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	6031 zero.float_complex_value ());
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6032 break;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6033 #define MAKE_INT_BRANCH(X) \
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6034 case btyp_ ## X: \
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6035 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	6036 zero.X ## _scalar_value ()); \
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6037 break
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6038
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6039 MAKE_INT_BRANCH (int8);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6040 MAKE_INT_BRANCH (int16);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6041 MAKE_INT_BRANCH (int32);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6042 MAKE_INT_BRANCH (int64);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6043 MAKE_INT_BRANCH (uint8);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6044 MAKE_INT_BRANCH (uint16);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6045 MAKE_INT_BRANCH (uint32);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6046 MAKE_INT_BRANCH (uint64);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6047 #undef MAKE_INT_BRANCH
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6048 case btyp_bool:
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6049 retval = do_accumarray_minmax (idx, vals.array_value (), n, ismin,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6050 zero.bool_value ());
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6051 break;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6052 default:
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6053 gripe_wrong_type_arg ("accumarray", vals);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6054 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6055 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6056 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6057 else
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6058 print_usage ();
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6059
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6060 return retval;
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6061 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6062
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6063 DEFUN (__accumarray_min__, args, ,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6064 "-- texinfo --\n\
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6065 @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	6066 Undocumented internal function.\n\
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6067 @end deftypefn")
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6068 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6069 return do_accumarray_minmax_fun (args, true);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6070 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6071
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6072 DEFUN (__accumarray_max__, args, ,
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6073 "-- texinfo --\n\
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6074 @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	6075 Undocumented internal function.\n\
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6076 @end deftypefn")
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6077 {
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6078 return do_accumarray_minmax_fun (args, false);
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6079 }
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6080
9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10240 diff changeset	6081 template <class NDT>
10396 a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6082 static NDT
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6083 do_accumdim_sum (const idx_vector& idx, const NDT& vals,
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6084 int dim = -1, octave_idx_type n = -1)
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6085 {
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6086 typedef typename NDT::element_type T;
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6087 if (n < 0)
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6088 n = idx.extent (0);
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6089 else if (idx.extent (n) > n)
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6090 error ("accumarray: index out of range");
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6091
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6092 dim_vector rdv = vals.dims ();
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6093 if (dim < 0)
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6094 dim = vals.dims ().first_non_singleton ();
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6095 else if (dim >= rdv.length ())
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6096 rdv.resize (dim+1, 1);
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6097
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6098 rdv(dim) = n;
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6099
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6100 NDT retval (rdv, T());
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6101
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6102 retval.idx_add_nd (idx, vals, dim);
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6103 return retval;
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6104 }
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6105
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6106 DEFUN (__accumdim_sum__, args, ,
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6107 "-- texinfo --\n\
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6108 @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	6109 Undocumented internal function.\n\
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6110 @end deftypefn")
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6111 {
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6112 octave_value retval;
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6113 int nargin = args.length ();
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6114 if (nargin >= 2 && nargin <= 4 && args(0).is_numeric_type ())
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6115 {
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6116 idx_vector idx = args(0).index_vector ();
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6117 int dim = -1;
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6118 if (nargin >= 3)
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6119 dim = args(2).int_value () - 1;
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6120
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6121 octave_idx_type n = -1;
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6122 if (nargin == 4)
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6123 n = args(3).idx_type_value (true);
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6124
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6125 if (! error_state)
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6126 {
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6127 octave_value vals = args(1);
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6128
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6129 if (vals.is_single_type ())
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6130 {
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6131 if (vals.is_complex_type ())
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6132 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	6133 else
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6134 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	6135 }
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6136 else if (vals.is_numeric_type () \|\| vals.is_bool_type ())
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6137 {
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6138 if (vals.is_complex_type ())
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6139 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	6140 else
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6141 retval = do_accumdim_sum (idx, vals.array_value (), dim, n);
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6142 }
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6143 else
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6144 gripe_wrong_type_arg ("accumdim", vals);
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6145 }
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6146 }
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6147 else
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6148 print_usage ();
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6149
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6150 return retval;
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6151 }
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6152
a0b51ac0f88a optimize accumdim with summation Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	6153 template <class NDT>
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6154 static NDT
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6155 do_merge (const Array<bool>& mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6156 const NDT& tval, const NDT& fval)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6157 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6158 typedef typename NDT::element_type T;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6159 dim_vector dv = mask.dims ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6160 NDT retval (dv);
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6161
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6162 bool tscl = tval.numel () == 1, fscl = fval.numel () == 1;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6163
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6164 if ((! tscl && tval.dims () != dv)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6165 \|\| (! fscl && fval.dims () != dv))
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6166 error ("merge: dimensions mismatch");
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6167 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6168 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6169 T *rv = retval.fortran_vec ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6170 octave_idx_type n = retval.numel ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6171
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6172 const T tv = tval.data (), fv = fval.data ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6173 const bool *mv = mask.data ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6174
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6175 if (tscl)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6176 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6177 if (fscl)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6178 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6179 T ts = tv[0], fs = fv[0];
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6180 for (octave_idx_type i = 0; i < n; i++)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6181 rv[i] = mv[i] ? ts : fs;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6182 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6183 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6184 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6185 T ts = tv[0];
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6186 for (octave_idx_type i = 0; i < n; i++)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6187 rv[i] = mv[i] ? ts : fv[i];
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6188 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6189 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6190 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6191 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6192 if (fscl)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6193 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6194 T fs = fv[0];
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6195 for (octave_idx_type i = 0; i < n; i++)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6196 rv[i] = mv[i] ? tv[i] : fs;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6197 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6198 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6199 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6200 for (octave_idx_type i = 0; i < n; i++)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6201 rv[i] = mv[i] ? tv[i] : fv[i];
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6202 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6203 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6204 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6205
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6206 return retval;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6207 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6208
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6209 #define MAKE_INT_BRANCH(INTX) \
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6210 else if (tval.is_ ## INTX ## _type () && fval.is_ ## INTX ## _type ()) \
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6211 { \
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6212 retval = do_merge (mask, \
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6213 tval.INTX ## _array_value (), \
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6214 fval.INTX ## _array_value ()); \
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6215 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6216
9505 a321a1c227c8 make ifelse an alias or merge Jaroslav Hajek <highegg@gmail.com> parents: 9475 diff changeset	6217 DEFUN (merge, args, ,
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6218 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	6219 @deftypefn {Built-in Function} {} merge (@var{mask}, @var{tval}, @var{fval})\n\
9505 a321a1c227c8 make ifelse an alias or merge Jaroslav Hajek <highegg@gmail.com> parents: 9475 diff changeset	6220 @deftypefnx {Built-in Function} {} ifelse (@var{mask}, @var{tval}, @var{fval})\n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	6221 Merges elements of @var{true_val} and @var{false_val}, depending on the\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	6222 value of @var{mask}. If @var{mask} is a logical scalar, the other two\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	6223 arguments can be arbitrary values. Otherwise, @var{mask} must be a logical\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	6224 array, and @var{tval}, @var{fval} should be arrays of matching class, or\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	6225 cell arrays. In the scalar mask case, @var{tval} is returned if @var{mask}\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	6226 is true, otherwise @var{fval} is returned.\n\
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6227 \n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	6228 In the array mask case, both @var{tval} and @var{fval} must be either\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	6229 scalars or arrays with dimensions equal to @var{mask}. The result is\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	6230 constructed as follows: \n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	6231 \n\
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6232 @example\n\
9758 09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9736 diff changeset	6233 @group\n\
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6234 result(mask) = tval(mask);\n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6235 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	6236 @end group\n\
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6237 @end example\n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6238 \n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6239 @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	6240 it is first converted to logical.\n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6241 @seealso{logical}\n\
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6242 @end deftypefn")
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6243 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6244 int nargin = args.length ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6245 octave_value retval;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6246
9856 870a69bac55c fix test in merge Jaroslav Hajek <highegg@gmail.com> parents: 9848 diff changeset	6247 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	6248 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6249 octave_value mask_val = args(0);
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6250
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6251 if (mask_val.is_scalar_type ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6252 retval = mask_val.is_true () ? args(1) : args(2);
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6253 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6254 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6255 boolNDArray mask = mask_val.bool_array_value ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6256 octave_value tval = args(1), fval = args(2);
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6257 if (tval.is_double_type () && fval.is_double_type ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6258 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6259 if (tval.is_complex_type () \|\| fval.is_complex_type ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6260 retval = do_merge (mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6261 tval.complex_array_value (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6262 fval.complex_array_value ());
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6263 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6264 retval = do_merge (mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6265 tval.array_value (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6266 fval.array_value ());
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6267 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6268 else if (tval.is_single_type () && fval.is_single_type ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6269 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6270 if (tval.is_complex_type () \|\| fval.is_complex_type ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6271 retval = do_merge (mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6272 tval.float_complex_array_value (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6273 fval.float_complex_array_value ());
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6274 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6275 retval = do_merge (mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6276 tval.float_array_value (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6277 fval.float_array_value ());
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6278 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6279 else if (tval.is_string () && fval.is_string ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6280 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6281 bool sq_string = tval.is_sq_string () \|\| fval.is_sq_string ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6282 retval = octave_value (do_merge (mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6283 tval.char_array_value (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6284 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	6285 sq_string ? '\'' : '"');
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6286 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6287 else if (tval.is_cell () && fval.is_cell ())
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6288 {
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6289 retval = do_merge (mask,
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6290 tval.cell_value (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6291 fval.cell_value ());
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6292 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6293
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6294 MAKE_INT_BRANCH (int8)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6295 MAKE_INT_BRANCH (int16)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6296 MAKE_INT_BRANCH (int32)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6297 MAKE_INT_BRANCH (int64)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6298 MAKE_INT_BRANCH (uint8)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6299 MAKE_INT_BRANCH (uint16)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6300 MAKE_INT_BRANCH (uint32)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6301 MAKE_INT_BRANCH (uint64)
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6302
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6303 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6304 error ("merge: cannot merge %s with %s with array mask",
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6305 tval.class_name ().c_str (),
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6306 fval.class_name ().c_str ());
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6307 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6308 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6309 else
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6310 print_usage ();
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6311
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6312 return retval;
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6313 }
833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6314
9505 a321a1c227c8 make ifelse an alias or merge Jaroslav Hajek <highegg@gmail.com> parents: 9475 diff changeset	6315 DEFALIAS (ifelse, merge);
a321a1c227c8 make ifelse an alias or merge Jaroslav Hajek <highegg@gmail.com> parents: 9475 diff changeset	6316
9473 833109a9f37f implement merge function Jaroslav Hajek <highegg@gmail.com> parents: 9428 diff changeset	6317 #undef MAKE_INT_BRANCH
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8527 diff changeset	6318
9513 9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6319 template <class SparseT>
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6320 static SparseT
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6321 do_sparse_diff (const SparseT& array, octave_idx_type order,
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6322 int dim)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6323 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6324 SparseT retval = array;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6325 if (dim == 1)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6326 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6327 octave_idx_type k = retval.columns ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6328 while (order > 0 && k > 0)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6329 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6330 idx_vector col1 (':'), col2 (':'), sl1 (1, k), sl2 (0, k-1);
10785 c2041adcf234 remove unnecessary sparse indexing overloads Jaroslav Hajek <highegg@gmail.com> parents: 10763 diff changeset	6331 retval = SparseT (retval.index (col1, sl1)) - SparseT (retval.index (col2, sl2));
9513 9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6332 assert (retval.columns () == k-1);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6333 order--;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6334 k--;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6335 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6336 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6337 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6338 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6339 octave_idx_type k = retval.rows ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6340 while (order > 0 && k > 0)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6341 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6342 idx_vector col1 (':'), col2 (':'), sl1 (1, k), sl2 (0, k-1);
10785 c2041adcf234 remove unnecessary sparse indexing overloads Jaroslav Hajek <highegg@gmail.com> parents: 10763 diff changeset	6343 retval = SparseT (retval.index (sl1, col1)) - SparseT (retval.index (sl2, col2));
9513 9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6344 assert (retval.rows () == k-1);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6345 order--;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6346 k--;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6347 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6348 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6349
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6350 return retval;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6351 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6352
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6353 static octave_value
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6354 do_diff (const octave_value& array, octave_idx_type order,
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6355 int dim = -1)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6356 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6357 octave_value retval;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6358
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6359 const dim_vector& dv = array.dims ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6360 if (dim == -1)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6361 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6362 dim = array.dims ().first_non_singleton ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6363
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6364 // Bother Matlab. This behavior is really wicked.
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6365 if (dv(dim) <= order)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6366 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6367 if (dv(dim) == 1)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6368 retval = array.resize (dim_vector (0, 0));
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6369 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6370 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6371 retval = array;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6372 while (order > 0)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6373 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6374 if (dim == dv.length ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6375 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6376 retval = do_diff (array, order, dim - 1);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6377 order = 0;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6378 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6379 else if (dv(dim) == 1)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6380 dim++;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6381 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6382 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6383 retval = do_diff (array, dv(dim) - 1, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6384 order -= dv(dim) - 1;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6385 dim++;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6386 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6387 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6388 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6389
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6390 return retval;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6391 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6392 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6393
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6394 if (array.is_integer_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6395 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6396 if (array.is_int8_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6397 retval = array.int8_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6398 else if (array.is_int16_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6399 retval = array.int16_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6400 else if (array.is_int32_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6401 retval = array.int32_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6402 else if (array.is_int64_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6403 retval = array.int64_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6404 else if (array.is_uint8_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6405 retval = array.uint8_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6406 else if (array.is_uint16_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6407 retval = array.uint16_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6408 else if (array.is_uint32_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6409 retval = array.uint32_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6410 else if (array.is_uint64_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6411 retval = array.uint64_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6412 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6413 panic_impossible ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6414 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6415 else if (array.is_sparse_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6416 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6417 if (array.is_complex_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6418 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	6419 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6420 retval = do_sparse_diff (array.sparse_matrix_value (), order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6421 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6422 else if (array.is_single_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6423 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6424 if (array.is_complex_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6425 retval = array.float_complex_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6426 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6427 retval = array.float_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6428 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6429 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6430 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6431 if (array.is_complex_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6432 retval = array.complex_array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6433 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6434 retval = array.array_value ().diff (order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6435 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6436
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6437 return retval;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6438 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6439
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6440 DEFUN (diff, args, ,
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6441 "-- texinfo --\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6442 @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	6443 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	6444 vector of first differences\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6445 @tex\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6446 $x_2 - x_1, \\ldots{}, x_n - x_{n-1}$.\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6447 @end tex\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6448 @ifnottex\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6449 @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	6450 @end ifnottex\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6451 \n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6452 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	6453 differences along the first non-singleton dimension.\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6454 \n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6455 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	6456 @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	6457 @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	6458 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	6459 @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	6460 non-singleton dimension.\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6461 \n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6462 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	6463 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	6464 @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	6465 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	6466 then an empty matrix is returned.\n\
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6467 @end deftypefn")
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6468 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6469 int nargin = args.length ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6470 octave_value retval;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6471
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6472 if (nargin < 1 \|\| nargin > 3)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6473 print_usage ();
10880 92c3e8068f28 allow diff(logical) Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	6474 else if (! (args(0).is_numeric_type () \|\| args(0).is_bool_type ()))
92c3e8068f28 allow diff(logical) Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	6475 error ("diff: X must be numeric or logical");
9513 9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6476
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6477 if (! error_state)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6478 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6479 int dim = -1;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6480 octave_idx_type order = 1;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6481 if (nargin > 1)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6482 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6483 if (args(1).is_scalar_type ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6484 order = args(1).idx_type_value (true, false);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6485 else if (! args(1).is_zero_by_zero ())
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6486 error ("order must be a scalar or []");
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6487 if (! error_state && order < 0)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6488 error ("order must be non-negative");
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6489 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6490
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6491 if (nargin > 2)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6492 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6493 dim = args(2).int_value (true, false);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6494 if (! error_state && (dim < 1 \|\| dim > args(0).ndims ()))
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6495 error ("needs a valid dimension");
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6496 else
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6497 dim -= 1;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6498 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6499
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6500 if (! error_state)
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6501 retval = do_diff (args(0), order, dim);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6502 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6503
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6504 return retval;
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6505 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6506
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6507 /*
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6508
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6509 %!assert (diff ([1, 2, 3, 4]), [1, 1, 1])
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6510 %!assert (diff ([1, 3, 7, 19], 2), [2, 8])
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6511 %!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	6512 %!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	6513 %!assert (isempty (diff (1)));
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6514
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6515 %!error diff ([1, 2; 3, 4], -1);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6516
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6517 %!error diff ("foo");
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6518
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6519 %!error diff ();
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6520
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6521 %!error diff (1, 2, 3, 4);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6522
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9505 diff changeset	6523 */
10799 177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6524
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6525 template <class T>
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6526 static Array<T>
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6527 do_repelems (const Array<T>& src, const Array<octave_idx_type>& rep)
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6528 {
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6529 Array<T> retval;
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6530
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6531 assert (rep.ndims () == 2 && rep.rows () == 2);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6532
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6533 octave_idx_type n = rep.columns (), l = 0;
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6534 for (octave_idx_type i = 0; i < n; i++)
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6535 {
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6536 octave_idx_type k = rep(1, i);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6537 if (k < 0)
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6538 {
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6539 error ("repelems: second row must contain nonnegative numbers");
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6540 return retval;
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6541 }
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6542
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6543 l += k;
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6544 }
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6545
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6546 retval.clear (1, l);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6547 T *dest = retval.fortran_vec ();
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6548 l = 0;
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6549 for (octave_idx_type i = 0; i < n; i++)
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6550 {
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6551 octave_idx_type k = rep(1, i);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6552 std::fill_n (dest, k, src.checkelem (rep(0, i) - 1));
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6553 dest += k;
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6554 }
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6555
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6556 return retval;
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6557 }
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6558
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6559 DEFUN (repelems, args, ,
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6560 "-- texinfo --\n\
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6561 @deftypefn {Built-in Function} {} repelems (@var{x}, @var{r})\n\
10801 a40e32927b3a Improve documentation for new repelems function. Rik <octave@nomad.inbox5.com> parents: 10799 diff changeset	6562 Construct a vector of repeated elements from @var{x}. @var{r}\n\
a40e32927b3a Improve documentation for new repelems function. Rik <octave@nomad.inbox5.com> parents: 10799 diff changeset	6563 is a 2x@var{N} integer matrix specifying which elements to repeat and\n\
a40e32927b3a Improve documentation for new repelems function. Rik <octave@nomad.inbox5.com> parents: 10799 diff changeset	6564 how often to repeat each element.\n\
a40e32927b3a Improve documentation for new repelems function. Rik <octave@nomad.inbox5.com> parents: 10799 diff changeset	6565 \n\
a40e32927b3a Improve documentation for new repelems function. Rik <octave@nomad.inbox5.com> parents: 10799 diff changeset	6566 Entries in the first row, @var{r}(1,j), select an element to repeat.\n\
a40e32927b3a Improve documentation for new repelems function. Rik <octave@nomad.inbox5.com> parents: 10799 diff changeset	6567 The corresponding entry in the second row, @var{r}(2,j), specifies\n\
a40e32927b3a Improve documentation for new repelems function. Rik <octave@nomad.inbox5.com> parents: 10799 diff changeset	6568 the repeat count. If @var{x} is a matrix then the columns of @var{x} are\n\
a40e32927b3a Improve documentation for new repelems function. Rik <octave@nomad.inbox5.com> parents: 10799 diff changeset	6569 imagined to be stacked on top of each other for purposes of the selection\n\
a40e32927b3a Improve documentation for new repelems function. Rik <octave@nomad.inbox5.com> parents: 10799 diff changeset	6570 index. A row vector is always returned.\n\
a40e32927b3a Improve documentation for new repelems function. Rik <octave@nomad.inbox5.com> parents: 10799 diff changeset	6571 \n\
a40e32927b3a Improve documentation for new repelems function. Rik <octave@nomad.inbox5.com> parents: 10799 diff changeset	6572 Conceptually the result is calculated as follows:\n\
10799 177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6573 \n\
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6574 @example\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	6575 @group\n\
10801 a40e32927b3a Improve documentation for new repelems function. Rik <octave@nomad.inbox5.com> parents: 10799 diff changeset	6576 y = [];\n\
a40e32927b3a Improve documentation for new repelems function. Rik <octave@nomad.inbox5.com> parents: 10799 diff changeset	6577 for i = 1:columns (@var{r})\n\
a40e32927b3a Improve documentation for new repelems function. Rik <octave@nomad.inbox5.com> parents: 10799 diff changeset	6578 y = [y, @var{x}(@var{r}(1,i)*ones(1, @var{r}(2,i)))];\n\
a40e32927b3a Improve documentation for new repelems function. Rik <octave@nomad.inbox5.com> parents: 10799 diff changeset	6579 endfor\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10801 diff changeset	6580 @end group\n\
10799 177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6581 @end example\n\
10801 a40e32927b3a Improve documentation for new repelems function. Rik <octave@nomad.inbox5.com> parents: 10799 diff changeset	6582 @seealso{repmat}\n\
10799 177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6583 @end deftypefn")
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6584 {
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6585 octave_value retval;
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6586
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6587 if (args.length () == 2)
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6588 {
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6589 octave_value x = args(0);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6590
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6591 const Matrix rm = args(1).matrix_value ();
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6592 if (error_state)
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6593 return retval;
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6594 else if (rm.rows () != 2 \|\| rm.ndims () != 2)
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6595 {
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6596 error ("repelems: second argument must be a matrix with two rows");
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6597 return retval;
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6598 }
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6599 else
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6600 {
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6601 NoAlias< Array<octave_idx_type> > r (rm.dims ());
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6602
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6603 for (octave_idx_type i = 0; i < rm.numel (); i++)
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6604 {
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6605 octave_idx_type rx = rm(i);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6606 if (static_cast<double> (rx) != rm(i))
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6607 {
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6608 error ("repelems: a matrix of integers is expected.");
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6609 return retval;
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6610 }
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6611
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6612 r(i) = rx;
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6613 }
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6614
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6615 switch (x.builtin_type ())
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6616 {
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6617 #define BTYP_BRANCH(X, EX) \
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6618 case btyp_ ## X: \
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6619 retval = do_repelems (x.EX ## _value (), r); \
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6620 break
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6621
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6622 BTYP_BRANCH (double, array);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6623 BTYP_BRANCH (float, float_array);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6624 BTYP_BRANCH (complex, complex_array);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6625 BTYP_BRANCH (float_complex, float_complex_array);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6626 BTYP_BRANCH (bool, bool_array);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6627 BTYP_BRANCH (char, char_array);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6628
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6629 BTYP_BRANCH (int8, int8_array);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6630 BTYP_BRANCH (int16, int16_array);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6631 BTYP_BRANCH (int32, int32_array);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6632 BTYP_BRANCH (int64, int64_array);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6633 BTYP_BRANCH (uint8, uint8_array);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6634 BTYP_BRANCH (uint16, uint16_array);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6635 BTYP_BRANCH (uint32, uint32_array);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6636 BTYP_BRANCH (uint64, uint64_array);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6637
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6638 BTYP_BRANCH (cell, cell);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6639 //BTYP_BRANCH (struct, map);//FIXME
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6640 #undef BTYP_BRANCH
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6641
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6642 default:
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6643 gripe_wrong_type_arg ("repelems", x);
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6644 }
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6645 }
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6646 }
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6647 else
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6648 print_usage ();
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6649
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6650 return retval;
177f1ad7c7c1 new built-in: repelems Jaroslav Hajek <highegg@gmail.com> parents: 10785 diff changeset	6651 }

Mercurial > hg > octave-lyh

annotate src/data.cc @ 11357:903c1a3df301