octave-nkf: src/DLD-FUNCTIONS/matrix

annotate src/DLD-FUNCTIONS/matrix_type.cc @ 12642:f96b9b9f141b stable

doc: Periodic grammarcheck and spellcheck of documentation. * func.txi: Correct two misspellings * cumtrapz.m, dblquad.m, quadgk.m, quadl.m, quadv.m, trapz.m, triplequad.m, cond.m, gmres.m, bzip2.m, compare_versions.m, getappdata.m, unpack.m, ver.m, glpk.m, pkg.m, axis.m, uigetdir.m, uigetfile.m, view.m, prctile.m, quantile.m, unidcdf.m, unidinv.m, isstrprop.m, balance.cc, besselj.cc, cellfun.cc, colamd.cc, dot.cc, eigs.cc, fftw.cc, matrix_type.cc, pinv.cc, qr.cc, quad.cc, quadcc.cc, qz.cc, regexp.cc, schur.cc, time.cc (gmtime), typecast.cc urlwrite.cc bitfcns.cc (bitshift), data.cc (rem, norm, merge) debug.cc (dbstatus), dirfns.cc (glob), file-io.cc (freport), load-path.cc (genpath), load-save.cc (save), mappers.cc (islower, isupper, tolower, toupper) oct-hist.cc (edit_history), ov-fcn-inline.cc (vectorize), ov.cc (subsref), syscalls.cc (stat), variables.cc (whos, clear): Improve docstrings. Removed trailing whitespace characters on line.

author	Rik <octave@nomad.inbox5.com>
date	Sun, 01 May 2011 11:39:50 -0700
parents	7a5aacf65f81
children	72c96de7a403

rev	line source
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	1 /*
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	2
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 10846 diff changeset	3 Copyright (C) 2005-2011 David Bateman
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	4
5720 067948dc39bf [project @ 2006-03-28 11:25:29 by jwe] jwe parents: 5681 diff changeset	5 This file is part of Octave.
067948dc39bf [project @ 2006-03-28 11:25:29 by jwe] jwe parents: 5681 diff changeset	6
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	8 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: 7001 diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	10 option) any later version.
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	11
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	15 for more details.
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	16
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	17 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: 7001 diff changeset	18 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	19 <http://www.gnu.org/licenses/>.
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	20
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	21 */
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	22
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	23 #ifdef HAVE_CONFIG_H
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	24 #include <config.h>
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	25 #endif
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	26
5403 7bdddf96f028 [project @ 2005-07-07 16:46:23 by jwe] jwe parents: 5324 diff changeset	27 #include <algorithm>
7bdddf96f028 [project @ 2005-07-07 16:46:23 by jwe] jwe parents: 5324 diff changeset	28
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	29 #include "ov.h"
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	30 #include "defun-dld.h"
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	31 #include "error.h"
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	32 #include "ov-re-mat.h"
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	33 #include "ov-cx-mat.h"
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	34 #include "ov-re-sparse.h"
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	35 #include "ov-cx-sparse.h"
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	36 #include "MatrixType.h"
8377 25bc2d31e1bf improve OCTAVE_LOCAL_BUFFER Jaroslav Hajek <highegg@gmail.com> parents: 8325 diff changeset	37 #include "oct-locbuf.h"
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	38
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	39 DEFUN_DLD (matrix_type, args, ,
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	40 "-- texinfo --\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	41 @deftypefn {Loadable Function} {@var{type} =} matrix_type (@var{A})\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	42 @deftypefnx {Loadable Function} {@var{type} =} matrix_type (@var{A}, 'nocompute')\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	43 @deftypefnx {Loadable Function} {@var{A} =} matrix_type (@var{A}, @var{type})\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	44 @deftypefnx {Loadable Function} {@var{A} =} matrix_type (@var{A}, 'upper', @var{perm})\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	45 @deftypefnx {Loadable Function} {@var{A} =} matrix_type (@var{A}, 'lower', @var{perm})\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	46 @deftypefnx {Loadable Function} {@var{A} =} matrix_type (@var{A}, 'banded', @var{nl}, @var{nu})\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	47 Identify the matrix type or mark a matrix as a particular type. This allows\n\
12642 f96b9b9f141b doc: Periodic grammarcheck and spellcheck of documentation. Rik <octave@nomad.inbox5.com> parents: 12483 diff changeset	48 more rapid solutions of linear equations involving @var{A} to be performed.\n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	49 Called with a single argument, @code{matrix_type} returns the type of the\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	50 matrix and caches it for future use. Called with more than one argument,\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	51 @code{matrix_type} allows the type of the matrix to be defined.\n\
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	52 \n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	53 If the option 'nocompute' is given, the function will not attempt to guess\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	54 the type if it is still unknown. This is useful for debugging purposes.\n\
9714 0407883e1a33 support nocompute option to matrix_type Jaroslav Hajek <highegg@gmail.com> parents: 9064 diff changeset	55 \n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	56 The possible matrix types depend on whether the matrix is full or sparse, and\n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	57 can be one of the following\n\
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	58 \n\
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	59 @table @asis\n\
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	60 @item 'unknown'\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	61 Remove any previously cached matrix type, and mark type as unknown.\n\
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	62 \n\
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	63 @item 'full'\n\
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	64 Mark the matrix as full.\n\
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	65 \n\
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	66 @item 'positive definite'\n\
7567 6b07c15eb8e1 Document positive definite behavior of matrix_type David Bateman <dbateman@free.fr> parents: 7017 diff changeset	67 Probable full positive definite matrix.\n\
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	68 \n\
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	69 @item 'diagonal'\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	70 Diagonal matrix. (Sparse matrices only)\n\
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	71 \n\
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	72 @item 'permuted diagonal'\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	73 Permuted Diagonal matrix. The permutation does not need to be specifically\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	74 indicated, as the structure of the matrix explicitly gives this. (Sparse\n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	75 matrices only)\n\
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	76 \n\
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	77 @item 'upper'\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	78 Upper triangular. If the optional third argument @var{perm} is given, the\n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	79 matrix is assumed to be a permuted upper triangular with the permutations\n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	80 defined by the vector @var{perm}.\n\
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	81 \n\
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	82 @item 'lower'\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	83 Lower triangular. If the optional third argument @var{perm} is given, the\n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	84 matrix is assumed to be a permuted lower triangular with the permutations\n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	85 defined by the vector @var{perm}.\n\
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	86 \n\
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	87 @item 'banded'\n\
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	88 @itemx 'banded positive definite'\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	89 Banded matrix with the band size of @var{nl} below the diagonal and @var{nu}\n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	90 above it. If @var{nl} and @var{nu} are 1, then the matrix is tridiagonal and\n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	91 treated with specialized code. In addition the matrix can be marked as\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	92 probably a positive definite. (Sparse matrices only)\n\
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	93 \n\
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	94 @item 'singular'\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	95 The matrix is assumed to be singular and will be treated with a minimum norm\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	96 solution.\n\
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	97 \n\
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	98 @end table\n\
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	99 \n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	100 Note that the matrix type will be discovered automatically on the first\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	101 attempt to solve a linear equation involving @var{A}. Therefore\n\
12642 f96b9b9f141b doc: Periodic grammarcheck and spellcheck of documentation. Rik <octave@nomad.inbox5.com> parents: 12483 diff changeset	102 @code{matrix_type} is only useful to give Octave hints of the matrix type.\n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	103 Incorrectly defining the matrix type will result in incorrect results from\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	104 solutions of linear equations; it is entirely @strong{the responsibility of\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	105 the user} to correctly identify the matrix type.\n\
7567 6b07c15eb8e1 Document positive definite behavior of matrix_type David Bateman <dbateman@free.fr> parents: 7017 diff changeset	106 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	107 Also, the test for positive definiteness is a low-cost test for a Hermitian\n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	108 matrix with a real positive diagonal. This does not guarantee that the\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	109 matrix is positive definite, but only that it is a probable candidate. When\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	110 such a matrix is factorized, a Cholesky@tie{}factorization is first\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	111 attempted, and if that fails the matrix is then treated with an\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	112 LU@tie{}factorization. Once the matrix has been factorized,\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	113 @code{matrix_type} will return the correct classification of the matrix.\n\
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	114 @end deftypefn")
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	115 {
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	116 int nargin = args.length ();
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	117 octave_value retval;
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	118
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	119 if (nargin == 0)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5785 diff changeset	120 print_usage ();
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	121 else if (nargin > 4)
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	122 error ("matrix_type: incorrect number of arguments");
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	123 else
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	124 {
9714 0407883e1a33 support nocompute option to matrix_type Jaroslav Hajek <highegg@gmail.com> parents: 9064 diff changeset	125 bool autocomp = true;
0407883e1a33 support nocompute option to matrix_type Jaroslav Hajek <highegg@gmail.com> parents: 9064 diff changeset	126 if (nargin == 2 && args(1).is_string () && args(1).string_value () == "nocompute")
0407883e1a33 support nocompute option to matrix_type Jaroslav Hajek <highegg@gmail.com> parents: 9064 diff changeset	127 {
0407883e1a33 support nocompute option to matrix_type Jaroslav Hajek <highegg@gmail.com> parents: 9064 diff changeset	128 nargin = 1;
0407883e1a33 support nocompute option to matrix_type Jaroslav Hajek <highegg@gmail.com> parents: 9064 diff changeset	129 autocomp = false;
0407883e1a33 support nocompute option to matrix_type Jaroslav Hajek <highegg@gmail.com> parents: 9064 diff changeset	130 }
0407883e1a33 support nocompute option to matrix_type Jaroslav Hajek <highegg@gmail.com> parents: 9064 diff changeset	131
6371 b51f76ee24bb [project @ 2007-03-01 14:55:23 by dbateman] dbateman parents: 5823 diff changeset	132 if (args(0).is_scalar_type())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	133 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	134 if (nargin == 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	135 retval = octave_value ("Diagonal");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	136 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	137 retval = args(0);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	138 }
6371 b51f76ee24bb [project @ 2007-03-01 14:55:23 by dbateman] dbateman parents: 5823 diff changeset	139 else if (args(0).is_sparse_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	140 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	141 if (nargin == 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	142 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	143 MatrixType mattyp;
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	144
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	145 if (args(0).is_complex_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	146 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	147 mattyp = args(0).matrix_type ();
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	148
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	149 if (mattyp.is_unknown () && autocomp )
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	150 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	151 SparseComplexMatrix m =
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	152 args(0).sparse_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	153 if (!error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	154 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	155 mattyp = MatrixType (m);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	156 args(0).matrix_type (mattyp);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	157 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	158 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	159 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	160 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	161 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	162 mattyp = args(0).matrix_type ();
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	163
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	164 if (mattyp.is_unknown () && autocomp)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	165 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	166 SparseMatrix m = args(0).sparse_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	167 if (!error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	168 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	169 mattyp = MatrixType (m);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	170 args(0).matrix_type (mattyp);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	171 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	172 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	173 }
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	174
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	175 int typ = mattyp.type ();
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	176
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	177 if (typ == MatrixType::Diagonal)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	178 retval = octave_value ("Diagonal");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	179 else if (typ == MatrixType::Permuted_Diagonal)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	180 retval = octave_value ("Permuted Diagonal");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	181 else if (typ == MatrixType::Upper)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	182 retval = octave_value ("Upper");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	183 else if (typ == MatrixType::Permuted_Upper)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	184 retval = octave_value ("Permuted Upper");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	185 else if (typ == MatrixType::Lower)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	186 retval = octave_value ("Lower");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	187 else if (typ == MatrixType::Permuted_Lower)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	188 retval = octave_value ("Permuted Lower");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	189 else if (typ == MatrixType::Banded)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	190 retval = octave_value ("Banded");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	191 else if (typ == MatrixType::Banded_Hermitian)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	192 retval = octave_value ("Banded Positive Definite");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	193 else if (typ == MatrixType::Tridiagonal)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	194 retval = octave_value ("Tridiagonal");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	195 else if (typ == MatrixType::Tridiagonal_Hermitian)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	196 retval = octave_value ("Tridiagonal Positive Definite");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	197 else if (typ == MatrixType::Hermitian)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	198 retval = octave_value ("Positive Definite");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	199 else if (typ == MatrixType::Rectangular)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	200 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	201 if (args(0).rows() == args(0).columns())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	202 retval = octave_value ("Singular");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	203 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	204 retval = octave_value ("Rectangular");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	205 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	206 else if (typ == MatrixType::Full)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	207 retval = octave_value ("Full");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	208 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	209 retval = octave_value ("Unknown");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	210 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	211 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	212 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	213 // Ok, we're changing the matrix type
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	214 std::string str_typ = args(1).string_value ();
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	215
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	216 // FIXME -- why do I have to explicitly call the constructor?
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	217 MatrixType mattyp = MatrixType ();
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	218
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	219 octave_idx_type nl = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	220 octave_idx_type nu = 0;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	221
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	222 if (error_state)
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	223 error ("matrix_type: TYPE must be a string");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	224 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	225 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	226 // Use STL function to convert to lower case
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	227 std::transform (str_typ.begin (), str_typ.end (),
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	228 str_typ.begin (), tolower);
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	229
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	230 if (str_typ == "diagonal")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	231 mattyp.mark_as_diagonal ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	232 if (str_typ == "permuted diagonal")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	233 mattyp.mark_as_permuted_diagonal ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	234 else if (str_typ == "upper")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	235 mattyp.mark_as_upper_triangular ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	236 else if (str_typ == "lower")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	237 mattyp.mark_as_lower_triangular ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	238 else if (str_typ == "banded" \|\| str_typ == "banded positive definite")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	239 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	240 if (nargin != 4)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	241 error ("matrix_type: banded matrix type requires 4 arguments");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	242 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	243 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	244 nl = args(2).nint_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	245 nu = args(3).nint_value ();
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	246
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	247 if (error_state)
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 11586 diff changeset	248 error ("matrix_type: band size NL, NU must be integers");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	249 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	250 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	251 if (nl == 1 && nu == 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	252 mattyp.mark_as_tridiagonal ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	253 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	254 mattyp.mark_as_banded (nu, nl);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	255
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	256 if (str_typ == "banded positive definite")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	257 mattyp.mark_as_symmetric ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	258 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	259 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	260 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	261 else if (str_typ == "positive definite")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	262 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	263 mattyp.mark_as_full ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	264 mattyp.mark_as_symmetric ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	265 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	266 else if (str_typ == "singular")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	267 mattyp.mark_as_rectangular ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	268 else if (str_typ == "full")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	269 mattyp.mark_as_full ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	270 else if (str_typ == "unknown")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	271 mattyp.invalidate_type ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	272 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	273 error ("matrix_type: Unknown matrix type %s", str_typ.c_str());
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	274
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	275 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	276 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	277 if (nargin == 3 && (str_typ == "upper" \|\| str_typ == "lower"))
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	278 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	279 const ColumnVector perm =
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	280 ColumnVector (args (2).vector_value ());
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	281
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	282 if (error_state)
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	283 error ("matrix_type: Invalid permutation vector PERM");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	284 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	285 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	286 octave_idx_type len = perm.length ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	287 dim_vector dv = args(0).dims ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	288
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	289 if (len != dv(0))
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	290 error ("matrix_type: Invalid permutation vector PERM");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	291 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	292 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	293 OCTAVE_LOCAL_BUFFER (octave_idx_type, p, len);
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	294
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	295 for (octave_idx_type i = 0; i < len; i++)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	296 p[i] = static_cast<octave_idx_type> (perm (i)) - 1;
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	297
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	298 if (str_typ == "upper")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	299 mattyp.mark_as_permuted (len, p);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	300 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	301 mattyp.mark_as_permuted (len, p);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	302 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	303 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	304 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	305 else if (nargin != 2 && str_typ != "banded positive definite" &&
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	306 str_typ != "banded")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	307 error ("matrix_type: Invalid number of arguments");
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	308
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	309 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	310 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	311 // Set the matrix type
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	312 if (args(0).is_complex_type ())
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	313 retval =
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	314 octave_value (args(0).sparse_complex_matrix_value (),
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	315 mattyp);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	316 else
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	317 retval = octave_value (args(0).sparse_matrix_value (),
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	318 mattyp);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	319 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	320 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	321 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	322 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	323 }
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	324 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	325 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	326 if (nargin == 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	327 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	328 MatrixType mattyp;
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	329
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	330 if (args(0).is_complex_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	331 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	332 mattyp = args(0).matrix_type ();
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	333
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	334 if (mattyp.is_unknown () && autocomp)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	335 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	336 if (args(0).is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	337 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	338 FloatComplexMatrix m = args(0).float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	339 if (!error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	340 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	341 mattyp = MatrixType (m);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	342 args(0).matrix_type (mattyp);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	343 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	344 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	345 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	346 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	347 ComplexMatrix m = args(0).complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	348 if (!error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	349 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	350 mattyp = MatrixType (m);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	351 args(0).matrix_type (mattyp);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	352 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	353 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	354 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	355 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	356 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	357 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	358 mattyp = args(0).matrix_type ();
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	359
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	360 if (mattyp.is_unknown () && autocomp)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	361 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	362 if (args(0).is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	363 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	364 FloatMatrix m = args(0).float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	365 if (!error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	366 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	367 mattyp = MatrixType (m);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	368 args(0).matrix_type (mattyp);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	369 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	370 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	371 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	372 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	373 Matrix m = args(0).matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	374 if (!error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	375 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	376 mattyp = MatrixType (m);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	377 args(0).matrix_type (mattyp);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	378 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	379 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	380 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	381 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	382
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	383 int typ = mattyp.type ();
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	384
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	385 if (typ == MatrixType::Upper)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	386 retval = octave_value ("Upper");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	387 else if (typ == MatrixType::Permuted_Upper)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	388 retval = octave_value ("Permuted Upper");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	389 else if (typ == MatrixType::Lower)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	390 retval = octave_value ("Lower");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	391 else if (typ == MatrixType::Permuted_Lower)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	392 retval = octave_value ("Permuted Lower");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	393 else if (typ == MatrixType::Hermitian)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	394 retval = octave_value ("Positive Definite");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	395 else if (typ == MatrixType::Rectangular)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	396 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	397 if (args(0).rows() == args(0).columns())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	398 retval = octave_value ("Singular");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	399 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	400 retval = octave_value ("Rectangular");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	401 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	402 else if (typ == MatrixType::Full)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	403 retval = octave_value ("Full");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	404 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	405 retval = octave_value ("Unknown");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	406 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	407 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	408 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	409 // Ok, we're changing the matrix type
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	410 std::string str_typ = args(1).string_value ();
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	411
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	412 // FIXME -- why do I have to explicitly call the constructor?
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	413 MatrixType mattyp = MatrixType (MatrixType::Unknown, true);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	414
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	415 if (error_state)
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	416 error ("matrix_type: TYPE must be a string");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	417 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	418 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	419 // Use STL function to convert to lower case
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	420 std::transform (str_typ.begin (), str_typ.end (),
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	421 str_typ.begin (), tolower);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	422
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	423 if (str_typ == "upper")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	424 mattyp.mark_as_upper_triangular ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	425 else if (str_typ == "lower")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	426 mattyp.mark_as_lower_triangular ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	427 else if (str_typ == "positive definite")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	428 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	429 mattyp.mark_as_full ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	430 mattyp.mark_as_symmetric ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	431 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	432 else if (str_typ == "singular")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	433 mattyp.mark_as_rectangular ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	434 else if (str_typ == "full")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	435 mattyp.mark_as_full ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	436 else if (str_typ == "unknown")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	437 mattyp.invalidate_type ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	438 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	439 error ("matrix_type: Unknown matrix type %s", str_typ.c_str());
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	440
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	441 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	442 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	443 if (nargin == 3 && (str_typ == "upper"
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	444 \|\| str_typ == "lower"))
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	445 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	446 const ColumnVector perm =
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	447 ColumnVector (args (2).vector_value ());
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	448
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	449 if (error_state)
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	450 error ("matrix_type: Invalid permutation vector PERM");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	451 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	452 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	453 octave_idx_type len = perm.length ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	454 dim_vector dv = args(0).dims ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	455
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	456 if (len != dv(0))
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	457 error ("matrix_type: Invalid permutation vector PERM");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	458 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	459 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	460 OCTAVE_LOCAL_BUFFER (octave_idx_type, p, len);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	461
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	462 for (octave_idx_type i = 0; i < len; i++)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	463 p[i] = static_cast<octave_idx_type> (perm (i)) - 1;
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	464
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	465 if (str_typ == "upper")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	466 mattyp.mark_as_permuted (len, p);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	467 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	468 mattyp.mark_as_permuted (len, p);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	469 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	470 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	471 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	472 else if (nargin != 2)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	473 error ("matrix_type: Invalid number of arguments");
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	474
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	475 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	476 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	477 // Set the matrix type
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	478 if (args(0).is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	479 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	480 if (args(0).is_complex_type())
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	481 retval = octave_value
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	482 (args(0).float_complex_matrix_value (),
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	483 mattyp);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	484 else
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	485 retval = octave_value
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	486 (args(0).float_matrix_value (),
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	487 mattyp);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	488 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	489 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	490 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	491 if (args(0).is_complex_type())
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	492 retval = octave_value
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	493 (args(0).complex_matrix_value (),
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	494 mattyp);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	495 else
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	496 retval = octave_value
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	497 (args(0).matrix_value (),
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	498 mattyp);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	499 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	500 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	501 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	502 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	503 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	504 }
5323 e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	505 }
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	506
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	507 return retval;
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	508 }
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	509
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman] dbateman parents: diff changeset	510 /*
5681 233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5631 diff changeset	511
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5760 diff changeset	512 ## FIXME
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	513 ## Disable tests for lower under-determined and upper over-determined
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7567 diff changeset	514 ## matrices as this detection is disabled in MatrixType due to issues
5681 233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5631 diff changeset	515 ## of non minimum norm solution being found.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	516
5610 9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	517 %!assert(matrix_type(speye(10,10)),"Diagonal");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	518 %!assert(matrix_type(speye(10,10)([2:10,1],:)),"Permuted Diagonal");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	519 %!assert(matrix_type([[speye(10,10);sparse(1,10)],[1;sparse(9,1);1]]),"Upper");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	520 %!assert(matrix_type([[speye(10,10);sparse(1,10)],[1;sparse(9,1);1]](:,[2,1,3:11])),"Permuted Upper");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	521 %!assert(matrix_type([speye(10,10),sparse(10,1);1,sparse(1,9),1]),"Lower");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	522 %!assert(matrix_type([speye(10,10),sparse(10,1);1,sparse(1,9),1]([2,1,3:11],:)),"Permuted Lower");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	523 %!test
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	524 %! bnd=spparms("bandden");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	525 %! spparms("bandden",0.5);
7798 42c42c640108 improved matrix_type check Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	526 %! a = spdiags(rand(10,3)-0.5,[-1,0,1],10,10);
5610 9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	527 %! assert(matrix_type(a),"Tridiagonal");
7798 42c42c640108 improved matrix_type check Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	528 %! assert(matrix_type(a'+a+2*speye(10)),"Tridiagonal Positive Definite");
5610 9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	529 %! spparms("bandden",bnd);
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	530 %!test
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	531 %! bnd=spparms("bandden");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	532 %! spparms("bandden",0.5);
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	533 %! a = spdiags(randn(10,4),[-2:1],10,10);
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	534 %! assert(matrix_type(a),"Banded");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	535 %! assert(matrix_type(a'*a),"Banded Positive Definite");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	536 %! spparms("bandden",bnd);
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	537 %!test
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	538 %! a=[speye(10,10),[sparse(9,1);1];-1,sparse(1,9),1];
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	539 %! assert(matrix_type(a),"Full");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	540 %! assert(matrix_type(a'*a),"Positive Definite");
5630 512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5610 diff changeset	541 %!assert(matrix_type(speye(10,11)),"Diagonal");
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5610 diff changeset	542 %!assert(matrix_type(speye(10,11)([2:10,1],:)),"Permuted Diagonal");
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5610 diff changeset	543 %!assert(matrix_type(speye(11,10)),"Diagonal");
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5610 diff changeset	544 %!assert(matrix_type(speye(11,10)([2:11,1],:)),"Permuted Diagonal");
5681 233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5631 diff changeset	545 %#!assert(matrix_type([[speye(10,10);sparse(1,10)],[[1,1];sparse(9,2);[1,1]]]),"Upper");
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5631 diff changeset	546 %#!assert(matrix_type([[speye(10,10);sparse(1,10)],[[1,1];sparse(9,2);[1,1]]](:,[2,1,3:12])),"Permuted Upper");
5630 512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5610 diff changeset	547 %!assert(matrix_type([speye(11,9),[1;sparse(8,1);1;0]]),"Upper");
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5610 diff changeset	548 %!assert(matrix_type([speye(11,9),[1;sparse(8,1);1;0]](:,[2,1,3:10])),"Permuted Upper");
5681 233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5631 diff changeset	549 %#!assert(matrix_type([speye(10,10),sparse(10,1);[1;1],sparse(2,9),[1;1]]),"Lower");
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5631 diff changeset	550 %#!assert(matrix_type([speye(10,10),sparse(10,1);[1;1],sparse(2,9),[1;1]]([2,1,3:12],:)),"Permuted Lower");
5630 512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5610 diff changeset	551 %!assert(matrix_type([speye(9,11);[1,sparse(1,8),1,0]]),"Lower");
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5610 diff changeset	552 %!assert(matrix_type([speye(9,11);[1,sparse(1,8),1,0]]([2,1,3:10],:)),"Permuted Lower");
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5610 diff changeset	553 %!assert(matrix_type(spdiags(randn(10,4),[-2:1],10,9)),"Rectangular")
5610 9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	554
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	555 %!assert(matrix_type(1i*speye(10,10)),"Diagonal");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	556 %!assert(matrix_type(1i*speye(10,10)([2:10,1],:)),"Permuted Diagonal");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	557 %!assert(matrix_type([[speye(10,10);sparse(1,10)],[1i;sparse(9,1);1]]),"Upper");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	558 %!assert(matrix_type([[speye(10,10);sparse(1,10)],[1i;sparse(9,1);1]](:,[2,1,3:11])),"Permuted Upper");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	559 %!assert(matrix_type([speye(10,10),sparse(10,1);1i,sparse(1,9),1]),"Lower");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	560 %!assert(matrix_type([speye(10,10),sparse(10,1);1i,sparse(1,9),1]([2,1,3:11],:)),"Permuted Lower");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	561 %!test
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	562 %! bnd=spparms("bandden");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	563 %! spparms("bandden",0.5);
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	564 %! assert(matrix_type(spdiags(1i*randn(10,3),[-1,0,1],10,10)),"Tridiagonal");
7798 42c42c640108 improved matrix_type check Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	565 %! a = 1i*(rand(9,1)-0.5);a=[[a;0],ones(10,1),[0;-a]];
5610 9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	566 %! assert(matrix_type(spdiags(a,[-1,0,1],10,10)),"Tridiagonal Positive Definite");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	567 %! spparms("bandden",bnd);
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	568 %!test
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	569 %! bnd=spparms("bandden");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	570 %! spparms("bandden",0.5);
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	571 %! assert(matrix_type(spdiags(1i*randn(10,4),[-2:1],10,10)),"Banded");
7798 42c42c640108 improved matrix_type check Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	572 %! a = 1i*(rand(9,2)-0.5);a=[[a;[0,0]],ones(10,1),[[0;-a(:,2)],[0;0;-a(1:8,1)]]];
5610 9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	573 %! assert(matrix_type(spdiags(a,[-2:2],10,10)),"Banded Positive Definite");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	574 %! spparms("bandden",bnd);
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	575 %!test
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	576 %! a=[speye(10,10),[sparse(9,1);1i];-1,sparse(1,9),1];
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	577 %! assert(matrix_type(a),"Full");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	578 %! assert(matrix_type(a'*a),"Positive Definite");
5630 512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5610 diff changeset	579 %!assert(matrix_type(1i*speye(10,11)),"Diagonal");
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5610 diff changeset	580 %!assert(matrix_type(1i*speye(10,11)([2:10,1],:)),"Permuted Diagonal");
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5610 diff changeset	581 %!assert(matrix_type(1i*speye(11,10)),"Diagonal");
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5610 diff changeset	582 %!assert(matrix_type(1i*speye(11,10)([2:11,1],:)),"Permuted Diagonal");
5681 233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5631 diff changeset	583 %#!assert(matrix_type([[speye(10,10);sparse(1,10)],[[1i,1i];sparse(9,2);[1i,1i]]]),"Upper");
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5631 diff changeset	584 %#!assert(matrix_type([[speye(10,10);sparse(1,10)],[[1i,1i];sparse(9,2);[1i,1i]]](:,[2,1,3:12])),"Permuted Upper");
5630 512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5610 diff changeset	585 %!assert(matrix_type([speye(11,9),[1i;sparse(8,1);1i;0]]),"Upper");
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5610 diff changeset	586 %!assert(matrix_type([speye(11,9),[1i;sparse(8,1);1i;0]](:,[2,1,3:10])),"Permuted Upper");
5681 233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5631 diff changeset	587 %#!assert(matrix_type([speye(10,10),sparse(10,1);[1i;1i],sparse(2,9),[1i;1i]]),"Lower");
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5631 diff changeset	588 %#!assert(matrix_type([speye(10,10),sparse(10,1);[1i;1i],sparse(2,9),[1i;1i]]([2,1,3:12],:)),"Permuted Lower");
5630 512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5610 diff changeset	589 %!assert(matrix_type([speye(9,11);[1i,sparse(1,8),1i,0]]),"Lower");
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5610 diff changeset	590 %!assert(matrix_type([speye(9,11);[1i,sparse(1,8),1i,0]]([2,1,3:10],:)),"Permuted Lower");
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5610 diff changeset	591 %!assert(matrix_type(1i*spdiags(randn(10,4),[-2:1],10,9)),"Rectangular")
5610 9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	592
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	593 %!test
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	594 %! a = matrix_type(spdiags(randn(10,3),[-1,0,1],10,10),"Singular");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	595 %! assert(matrix_type(a),"Singular");
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	596
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	597 %!assert(matrix_type(triu(ones(10,10))),"Upper");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	598 %!assert(matrix_type(triu(ones(10,10),-1)),"Full");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	599 %!assert(matrix_type(tril(ones(10,10))),"Lower");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	600 %!assert(matrix_type(tril(ones(10,10),1)),"Full");
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	601 %!assert(matrix_type(10*eye(10,10) + ones(10,10)), "Positive Definite");
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	602 %!assert(matrix_type(ones(11,10)),"Rectangular")
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	603 %!test
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	604 %! a = matrix_type(ones(10,10),"Singular");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	605 %! assert(matrix_type(a),"Singular");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	606
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	607 %!assert(matrix_type(triu(1i*ones(10,10))),"Upper");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	608 %!assert(matrix_type(triu(1i*ones(10,10),-1)),"Full");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	609 %!assert(matrix_type(tril(1i*ones(10,10))),"Lower");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	610 %!assert(matrix_type(tril(1i*ones(10,10),1)),"Full");
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	611 %!assert(matrix_type(10eye(10,10) + 1itriu(ones(10,10),1) -1i*tril(ones(10,10),-1)), "Positive Definite");
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	612 %!assert(matrix_type(ones(11,10)),"Rectangular")
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	613 %!test
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	614 %! a = matrix_type(ones(10,10),"Singular");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	615 %! assert(matrix_type(a),"Singular");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	616
5610 9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5506 diff changeset	617 */

Mercurial > octave-nkf

annotate src/DLD-FUNCTIONS/matrix_type.cc @ 12642:f96b9b9f141b stable