Mercurial > hg > octave-lyh

annotate libinterp/corefcn/luinc.cc @ 17535:c12c688a35ed default tip lyh

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix warnings
author LYH <lyh.kernel@gmail.com>
date Fri, 27 Sep 2013 17:43:27 +0800
parents bc924baa2c4e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
1 /*
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
2
14138
72c96de7a403 maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
parents: 13036
diff changeset
3 Copyright (C) 2005-2012 David Bateman
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
4
7016
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 7001
diff changeset
5 This file is part of Octave.
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 7001
diff changeset
6
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
7 Octave is free software; you can redistribute it and/or modify it
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 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.
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
11
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
12 Octave is distributed in the hope that it will be useful, but WITHOUT
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
15 for more details.
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
16
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 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/>.
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
20
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
21 */
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
22
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
23 #ifdef HAVE_CONFIG_H
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
24 #include <config.h>
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
25 #endif
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
26
15039
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents: 14854
diff changeset
27 #include "defun.h"
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
28 #include "error.h"
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
29 #include "gripes.h"
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
30 #include "oct-obj.h"
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
31 #include "utils.h"
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
32 #include "oct-map.h"
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
33
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
34 #include "MatrixType.h"
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
35 #include "SparseCmplxLU.h"
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
36 #include "SparsedbleLU.h"
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
37 #include "ov-re-sparse.h"
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
38 #include "ov-cx-sparse.h"
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
39
15039
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents: 14854
diff changeset
40 DEFUN (luinc, args, nargout,
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
41 "-*- texinfo -*-\n\
15039
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents: 14854
diff changeset
42 @deftypefn {Built-in Function} {[@var{L}, @var{U}, @var{P}, @var{Q}] =} luinc (@var{A}, '0')\n\
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents: 14854
diff changeset
43 @deftypefnx {Built-in Function} {[@var{L}, @var{U}, @var{P}, @var{Q}] =} luinc (@var{A}, @var{droptol})\n\
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents: 14854
diff changeset
44 @deftypefnx {Built-in Function} {[@var{L}, @var{U}, @var{P}, @var{Q}] =} luinc (@var{A}, @var{opts})\n\
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
45 @cindex LU decomposition\n\
11593
1577c6f80926 Use non-breaking spaces between certain adjectives and their nouns in docstrings.
Rik <octave@nomad.inbox5.com>
parents: 11586
diff changeset
46 Produce the incomplete LU@tie{}factorization of the sparse matrix @var{A}.\n\
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
47 Two types of incomplete factorization are possible, and the type\n\
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
48 is determined by the second argument to @code{luinc}.\n\
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
49 \n\
17289
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 15195
diff changeset
50 Called with a second argument of @qcode{'0'}, the zero-level incomplete\n\
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
51 LU@tie{}factorization is produced. This creates a factorization of @var{A}\n\
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
52 where the position of the non-zero arguments correspond to the same\n\
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
53 positions as in the matrix @var{A}.\n\
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
54 \n\
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
55 Alternatively, the fill-in of the incomplete LU@tie{}factorization can\n\
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
56 be controlled through the variable @var{droptol} or the structure\n\
10711
fbd7843974fa Periodic grammar check of documentation files to ensure common format.
Rik <octave@nomad.inbox5.com>
parents: 10155
diff changeset
57 @var{opts}. The @sc{umfpack} multifrontal factorization code by Tim A.\n\
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
58 Davis is used for the incomplete LU@tie{}factorization, (availability\n\
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
59 @url{http://www.cise.ufl.edu/research/sparse/umfpack/})\n\
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
60 \n\
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
61 @var{droptol} determines the values below which the values in the\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
62 LU@tie{} factorization are dropped and replaced by zero. It must be a\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
63 positive scalar, and any values in the factorization whose absolute value\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
64 are less than this value are dropped, expect if leaving them increase the\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
65 sparsity of the matrix. Setting @var{droptol} to zero results in a complete\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
66 LU@tie{}factorization which is the default.\n\
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
67 \n\
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
68 @var{opts} is a structure containing one or more of the fields\n\
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
69 \n\
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
70 @table @code\n\
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
71 @item droptol\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
72 The drop tolerance as above. If @var{opts} only contains @code{droptol}\n\
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
73 then this is equivalent to using the variable @var{droptol}.\n\
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
74 \n\
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
75 @item milu\n\
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
76 A logical variable flagging whether to use the modified incomplete\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
77 LU@tie{} factorization. In the case that @code{milu} is true, the dropped\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
78 values are subtracted from the diagonal of the matrix @var{U} of the\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
79 factorization. The default is @code{false}.\n\
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
80 \n\
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
81 @item udiag\n\
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
82 A logical variable that flags whether zero elements on the diagonal of\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
83 @var{U} should be replaced with @var{droptol} to attempt to avoid singular\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
84 factors. The default is @code{false}.\n\
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
85 \n\
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
86 @item thresh\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
87 Defines the pivot threshold in the interval [0,1]. Values outside that\n\
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
88 range are ignored.\n\
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
89 @end table\n\
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
90 \n\
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
91 All other fields in @var{opts} are ignored. The outputs from @code{luinc}\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
92 are the same as for @code{lu}.\n\
7515
f3c00dc0912b Eliminate the rest of the dispatched sparse functions
David Bateman <dbateman@free.fr>
parents: 7243
diff changeset
93 \n\
17289
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 15195
diff changeset
94 Given the string argument @qcode{\"vector\"}, @code{luinc} returns the\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 15195
diff changeset
95 values of @var{p} @var{q} as vector values.\n\
8286
6f2d95255911 fix @seealso references to point to existing anchors
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 7515
diff changeset
96 @seealso{sparse, lu}\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5610
diff changeset
97 @end deftypefn")
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
98 {
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
99 int nargin = args.length ();
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
100 octave_value_list retval;
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
101
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
102 if (nargin == 0)
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5785
diff changeset
103 print_usage ();
7515
f3c00dc0912b Eliminate the rest of the dispatched sparse functions
David Bateman <dbateman@free.fr>
parents: 7243
diff changeset
104 else if (nargin < 2 || nargin > 3)
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
105 error ("luinc: incorrect number of arguments");
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
106 else
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
107 {
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
108 bool zero_level = false;
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
109 bool milu = false;
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
110 bool udiag = false;
7515
f3c00dc0912b Eliminate the rest of the dispatched sparse functions
David Bateman <dbateman@free.fr>
parents: 7243
diff changeset
111 Matrix thresh;
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
112 double droptol = -1.;
13036
8afb81b32748 Initialise vecout variable and return permutation matrices instead of sparse matrices (bug #34185)
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11593
diff changeset
113 bool vecout = false;
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
114
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
115 if (args(1).is_string ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
116 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
117 if (args(1).string_value () == "0")
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
118 zero_level = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
119 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
120 error ("luinc: unrecognized string argument");
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
121 }
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
122 else if (args(1).is_map ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
123 {
11049
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
124 octave_scalar_map map = args(1).scalar_map_value ();
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
125
11049
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
126 if (! error_state)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
127 {
11049
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
128 octave_value tmp;
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
129
11053
c33b7054f1f9 in recent Octave_map -> octave_scalar_map changes, use GETFIELD to access map elements, not CONTENTS
John W. Eaton <jwe@octave.org>
parents: 11049
diff changeset
130 tmp = map.getfield ("droptol");
11049
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
131 if (tmp.is_defined ())
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
132 droptol = tmp.double_value ();
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
133
11053
c33b7054f1f9 in recent Octave_map -> octave_scalar_map changes, use GETFIELD to access map elements, not CONTENTS
John W. Eaton <jwe@octave.org>
parents: 11049
diff changeset
134 tmp = map.getfield ("milu");
11049
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
135 if (tmp.is_defined ())
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
136 {
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
137 double val = tmp.double_value ();
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
138
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
139 milu = (val == 0. ? false : true);
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
140 }
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
141
11053
c33b7054f1f9 in recent Octave_map -> octave_scalar_map changes, use GETFIELD to access map elements, not CONTENTS
John W. Eaton <jwe@octave.org>
parents: 11049
diff changeset
142 tmp = map.getfield ("udiag");
11049
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
143 if (tmp.is_defined ())
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
144 {
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
145 double val = tmp.double_value ();
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
146
11049
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
147 udiag = (val == 0. ? false : true);
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
148 }
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
149
11053
c33b7054f1f9 in recent Octave_map -> octave_scalar_map changes, use GETFIELD to access map elements, not CONTENTS
John W. Eaton <jwe@octave.org>
parents: 11049
diff changeset
150 tmp = map.getfield ("thresh");
11049
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
151 if (tmp.is_defined ())
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
152 {
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
153 thresh = tmp.matrix_value ();
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
154
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
155 if (thresh.nelem () == 1)
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
156 {
14854
5ae9f0f77635 maint: Use Octave coding conventions for coddling parenthis is DLD-FUNCTIONS directory
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
157 thresh.resize (1,2);
11049
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
158 thresh(1) = thresh(0);
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
159 }
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
160 else if (thresh.nelem () != 2)
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
161 {
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
162 error ("luinc: expecting 2-element vector for thresh");
11049
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
163 return retval;
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
164 }
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
165 }
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
166 }
11049
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
167 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
168 {
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
169 error ("luinc: OPTS must be a scalar structure");
11049
b0a9450d81c6 luinc.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
170 return retval;
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
171 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
172 }
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
173 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
174 droptol = args(1).double_value ();
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
175
7515
f3c00dc0912b Eliminate the rest of the dispatched sparse functions
David Bateman <dbateman@free.fr>
parents: 7243
diff changeset
176 if (nargin == 3)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
177 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
178 std::string tmp = args(2).string_value ();
7515
f3c00dc0912b Eliminate the rest of the dispatched sparse functions
David Bateman <dbateman@free.fr>
parents: 7243
diff changeset
179
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
180 if (! error_state )
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
181 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
182 if (tmp.compare ("vector") == 0)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
183 vecout = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
184 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
185 error ("luinc: unrecognized string argument");
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
186 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
187 }
7515
f3c00dc0912b Eliminate the rest of the dispatched sparse functions
David Bateman <dbateman@free.fr>
parents: 7243
diff changeset
188
5775
ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe]
jwe
parents: 5681
diff changeset
189 // FIXME Add code for zero-level factorization
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
190 if (zero_level)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
191 error ("luinc: zero-level factorization not implemented");
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
192
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
193 if (!error_state)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
194 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11553
diff changeset
195 if (args(0).type_name () == "sparse matrix")
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
196 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
197 SparseMatrix sm = args(0).sparse_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
198 octave_idx_type sm_nr = sm.rows ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
199 octave_idx_type sm_nc = sm.cols ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
200 ColumnVector Qinit (sm_nc);
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
201
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
202 for (octave_idx_type i = 0; i < sm_nc; i++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
203 Qinit (i) = i;
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
204
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
205 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
206 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
207 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
208 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
209 case 0:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
210 case 1:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
211 case 2:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
212 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
213 SparseLU fact (sm, Qinit, thresh, false, true, droptol,
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
214 milu, udiag);
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
215
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
216 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
217 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
218 SparseMatrix P = fact.Pr ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
219 SparseMatrix L = P.transpose () * fact.L ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
220 retval(1) = octave_value (fact.U (),
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
221 MatrixType (MatrixType::Upper));
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11553
diff changeset
222 retval(0) = octave_value (L, MatrixType
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11553
diff changeset
223 (MatrixType::Permuted_Lower,
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
224 sm_nr, fact.row_perm ()));
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
225 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
226 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
227 break;
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
228
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
229 case 3:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
230 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
231 SparseLU fact (sm, Qinit, thresh, false, true, droptol,
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
232 milu, udiag);
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
233
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
234 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
235 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
236 if (vecout)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
237 retval(2) = fact.Pr_vec ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
238 else
13036
8afb81b32748 Initialise vecout variable and return permutation matrices instead of sparse matrices (bug #34185)
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11593
diff changeset
239 retval(2) = fact.Pr_mat ();
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
240 retval(1) = octave_value (fact.U (),
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
241 MatrixType (MatrixType::Upper));
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
242 retval(0) = octave_value (fact.L (),
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
243 MatrixType (MatrixType::Lower));
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
244 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
245 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
246 break;
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
247
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
248 case 4:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
249 default:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
250 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
251 SparseLU fact (sm, Qinit, thresh, false, false, droptol,
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
252 milu, udiag);
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
253
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
254 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
255 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
256 if (vecout)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
257 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
258 retval(3) = fact.Pc_vec ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
259 retval(2) = fact.Pr_vec ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
260 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
261 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
262 {
13036
8afb81b32748 Initialise vecout variable and return permutation matrices instead of sparse matrices (bug #34185)
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11593
diff changeset
263 retval(3) = fact.Pc_mat ();
8afb81b32748 Initialise vecout variable and return permutation matrices instead of sparse matrices (bug #34185)
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11593
diff changeset
264 retval(2) = fact.Pr_mat ();
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
265 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
266 retval(1) = octave_value (fact.U (),
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
267 MatrixType (MatrixType::Upper));
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
268 retval(0) = octave_value (fact.L (),
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
269 MatrixType (MatrixType::Lower));
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
270 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
271 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
272 break;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
273 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
274 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
275 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11553
diff changeset
276 else if (args(0).type_name () == "sparse complex matrix")
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
277 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11553
diff changeset
278 SparseComplexMatrix sm =
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
279 args(0).sparse_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
280 octave_idx_type sm_nr = sm.rows ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
281 octave_idx_type sm_nc = sm.cols ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
282 ColumnVector Qinit (sm_nc);
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
283
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
284 for (octave_idx_type i = 0; i < sm_nc; i++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
285 Qinit (i) = i;
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
286
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
287 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
288 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
289 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
290 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
291 case 0:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
292 case 1:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
293 case 2:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
294 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11553
diff changeset
295 SparseComplexLU fact (sm, Qinit, thresh, false, true,
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
296 droptol, milu, udiag);
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
297
6027
068e52f1c005 [project @ 2006-10-03 20:07:56 by jwe]
jwe
parents: 5823
diff changeset
298
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
299 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
300 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
301 SparseMatrix P = fact.Pr ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
302 SparseComplexMatrix L = P.transpose () * fact.L ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
303 retval(1) = octave_value (fact.U (),
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
304 MatrixType (MatrixType::Upper));
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11553
diff changeset
305 retval(0) = octave_value (L, MatrixType
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11553
diff changeset
306 (MatrixType::Permuted_Lower,
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
307 sm_nr, fact.row_perm ()));
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
308 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
309 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
310 break;
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
311
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
312 case 3:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
313 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
314 SparseComplexLU fact (sm, Qinit, thresh, false, true,
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
315 droptol, milu, udiag);
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
316
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
317 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
318 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
319 if (vecout)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
320 retval(2) = fact.Pr_vec ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
321 else
13036
8afb81b32748 Initialise vecout variable and return permutation matrices instead of sparse matrices (bug #34185)
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11593
diff changeset
322 retval(2) = fact.Pr_mat ();
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
323 retval(1) = octave_value (fact.U (),
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
324 MatrixType (MatrixType::Upper));
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
325 retval(0) = octave_value (fact.L (),
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
326 MatrixType (MatrixType::Lower));
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
327 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
328 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
329 break;
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
330
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
331 case 4:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
332 default:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
333 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
334 SparseComplexLU fact (sm, Qinit, thresh, false, false,
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
335 droptol, milu, udiag);
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
336
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
337 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
338 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
339 if (vecout)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
340 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
341 retval(3) = fact.Pc_vec ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
342 retval(2) = fact.Pr_vec ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
343 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
344 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
345 {
13036
8afb81b32748 Initialise vecout variable and return permutation matrices instead of sparse matrices (bug #34185)
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11593
diff changeset
346 retval(3) = fact.Pc_mat ();
8afb81b32748 Initialise vecout variable and return permutation matrices instead of sparse matrices (bug #34185)
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11593
diff changeset
347 retval(2) = fact.Pr_mat ();
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
348 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
349 retval(1) = octave_value (fact.U (),
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
350 MatrixType (MatrixType::Upper));
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
351 retval(0) = octave_value (fact.L (),
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
352 MatrixType (MatrixType::Lower));
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
353 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
354 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
355 break;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
356 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
357 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
358 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
359 else
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
360 error ("luinc: matrix A must be sparse");
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
361 }
5282
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
362 }
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
363
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
364 return retval;
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
365 }
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
366
5bdc3f24cd5f [project @ 2005-04-14 22:17:26 by dbateman]
dbateman
parents:
diff changeset
367 /*
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
368 %!testif HAVE_UMFPACK
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
369 %! a = sparse ([1,2,0,0;0,1,2,0;1e-14,0,3,0;0,0,0,1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
370 %! [l,u] = luinc (a, 1e-10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
371 %! assert (l*u, sparse ([1,2,0,0;0,1,2,0;0,0,3,0;0,0,0,1]), 1e-10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
372 %! opts.droptol = 1e-10;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
373 %! [l,u] = luinc (a, opts);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
374 %! assert (l*u, sparse ([1,2,0,0;0,1,2,0;0,0,3,0;0,0,0,1]), 1e-10);
5610
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman]
dbateman
parents: 5322
diff changeset
375
7243
e8d7eed42935 [project @ 2007-12-04 02:10:17 by jwe]
jwe
parents: 7017
diff changeset
376 %!testif HAVE_UMFPACK
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
377 %! a = sparse ([1i,2,0,0;0,1,2,0;1e-14,0,3,0;0,0,0,1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
378 %! [l,u] = luinc (a, 1e-10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
379 %! assert (l*u, sparse ([1i,2,0,0;0,1,2,0;0,0,3,0;0,0,0,1]), 1e-10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
380 %! opts.droptol = 1e-10;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
381 %! [l,u] = luinc (a, opts);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
382 %! assert (l*u, sparse ([1i,2,0,0;0,1,2,0;0,0,3,0;0,0,0,1]), 1e-10);
5610
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman]
dbateman
parents: 5322
diff changeset
383 */