octave-antonio: libinterp/dldfcn/symbfact.cc annotate

annotate libinterp/dldfcn/symbfact.cc @ 20163:075a5e2e1ba5 stable

doc: Update more docstrings to have one sentence summary as first line. Reviewed build-aux, libinterp/dldfcn, libinterp/octave-value, libinterp/parse-tree directories. * build-aux/mk-opts.pl, libinterp/dldfcn/__magick_read__.cc, libinterp/dldfcn/amd.cc, libinterp/dldfcn/audiodevinfo.cc, libinterp/dldfcn/audioread.cc, libinterp/dldfcn/ccolamd.cc, libinterp/dldfcn/chol.cc, libinterp/dldfcn/colamd.cc, libinterp/dldfcn/convhulln.cc, libinterp/dldfcn/dmperm.cc, libinterp/dldfcn/fftw.cc, libinterp/dldfcn/qr.cc, libinterp/dldfcn/symbfact.cc, libinterp/dldfcn/symrcm.cc, libinterp/octave-value/ov-base.cc, libinterp/octave-value/ov-bool-mat.cc, libinterp/octave-value/ov-cell.cc, libinterp/octave-value/ov-class.cc, libinterp/octave-value/ov-fcn-handle.cc, libinterp/octave-value/ov-fcn-inline.cc, libinterp/octave-value/ov-java.cc, libinterp/octave-value/ov-null-mat.cc, libinterp/octave-value/ov-oncleanup.cc, libinterp/octave-value/ov-range.cc, libinterp/octave-value/ov-struct.cc, libinterp/octave-value/ov-typeinfo.cc, libinterp/octave-value/ov-usr-fcn.cc, libinterp/octave-value/ov.cc, libinterp/parse-tree/lex.ll, libinterp/parse-tree/oct-parse.in.yy, libinterp/parse-tree/pt-binop.cc, libinterp/parse-tree/pt-eval.cc, libinterp/parse-tree/pt-mat.cc: doc: Update more docstrings to have one sentence summary as first line.

author	Rik <rik@octave.org>
date	Sun, 03 May 2015 21:52:42 -0700
parents	4197fc428c7d
children

rev	line source
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	1 /*
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	2
19697 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 19139 diff changeset	3 Copyright (C) 2005-2015 David Bateman
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	4 Copyright (C) 1998-2005 Andy Adler
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	5
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	6 This file is part of Octave.
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	7
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	9 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	10 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	11 option) any later version.
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	12
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	16 for more details.
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	17
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	18 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	19 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	20 <http://www.gnu.org/licenses/>.
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	21
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	22 */
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	23
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	24 #ifdef HAVE_CONFIG_H
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	25 #include <config.h>
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	26 #endif
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	27
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7036 diff changeset	28 #include "SparseCmplxCHOL.h"
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7036 diff changeset	29 #include "SparsedbleCHOL.h"
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7036 diff changeset	30 #include "oct-spparms.h"
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7036 diff changeset	31 #include "sparse-util.h"
8377 25bc2d31e1bf improve OCTAVE_LOCAL_BUFFER Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	32 #include "oct-locbuf.h"
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7036 diff changeset	33
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7036 diff changeset	34 #include "ov-re-sparse.h"
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7036 diff changeset	35 #include "ov-cx-sparse.h"
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	36 #include "defun-dld.h"
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	37 #include "error.h"
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	38 #include "gripes.h"
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	39 #include "oct-obj.h"
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	40 #include "utils.h"
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	41
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	42 DEFUN_DLD (symbfact, args, nargout,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	43 "-- texinfo --\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	44 @deftypefn {Loadable Function} {[@var{count}, @var{h}, @var{parent}, @var{post}, @var{r}] =} symbfact (@var{S})\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	45 @deftypefnx {Loadable Function} {[@dots{}] =} symbfact (@var{S}, @var{typ})\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	46 @deftypefnx {Loadable Function} {[@dots{}] =} symbfact (@var{S}, @var{typ}, @var{mode})\n\
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	47 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	48 Perform a symbolic factorization analysis on the sparse matrix @var{S}.\n\
20163 075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	49 \n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	50 The input variables are\n\
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	51 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	52 @table @var\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	53 @item S\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	54 @var{S} is a complex or real sparse matrix.\n\
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	55 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	56 @item typ\n\
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	57 Is the type of the factorization and can be one of\n\
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	58 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	59 @table @samp\n\
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	60 @item sym\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	61 Factorize @var{S}. This is the default.\n\
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	62 \n\
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	63 @item col\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	64 Factorize @code{@var{S}' * @var{S}}.\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	65 \n\
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	66 @item row\n\
17268 1c21f264d26f doc: Rename @xcode macro to @tcode (transpose code) for clarity. Rik <rik@octave.org> parents: 16316 diff changeset	67 Factorize @tcode{@var{S} * @var{S}'}.\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	68 \n\
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	69 @item lo\n\
17268 1c21f264d26f doc: Rename @xcode macro to @tcode (transpose code) for clarity. Rik <rik@octave.org> parents: 16316 diff changeset	70 Factorize @tcode{@var{S}'}\n\
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	71 @end table\n\
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	72 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	73 @item mode\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	74 The default is to return the Cholesky@tie{}factorization for @var{r}, and if\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17268 diff changeset	75 @var{mode} is @qcode{'L'}, the conjugate transpose of the\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17268 diff changeset	76 Cholesky@tie{}factorization is returned. The conjugate transpose version is\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17268 diff changeset	77 faster and uses less memory, but returns the same values for @var{count},\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17268 diff changeset	78 @var{h}, @var{parent} and @var{post} outputs.\n\
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	79 @end table\n\
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	80 \n\
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	81 The output variables are\n\
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	82 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	83 @table @var\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	84 @item count\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	85 The row counts of the Cholesky@tie{}factorization as determined by @var{typ}.\n\
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	86 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	87 @item h\n\
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	88 The height of the elimination tree.\n\
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	89 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	90 @item parent\n\
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	91 The elimination tree itself.\n\
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	92 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	93 @item post\n\
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	94 A sparse boolean matrix whose structure is that of the Cholesky\n\
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	95 factorization as determined by @var{typ}.\n\
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	96 @end table\n\
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	97 @end deftypefn")
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	98 {
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	99 octave_value_list retval;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	100 int nargin = args.length ();
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	101
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	102 if (nargin < 1 \|\| nargin > 3 \|\| nargout > 5)
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	103 {
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5760 diff changeset	104 print_usage ();
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	105 return retval;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	106 }
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	107
5512 7c8767d0ffc0 [project @ 2005-10-27 02:20:17 by jwe] jwe parents: 5506 diff changeset	108 #ifdef HAVE_CHOLMOD
7c8767d0ffc0 [project @ 2005-10-27 02:20:17 by jwe] jwe parents: 5506 diff changeset	109
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	110 cholmod_common Common;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	111 cholmod_common *cm = &Common;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	112 CHOLMOD_NAME(start) (cm);
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	113
5893 d73ffe42f2c8 [project @ 2006-07-16 07:48:19 by jwe] jwe parents: 5823 diff changeset	114 double spu = octave_sparse_params::get_key ("spumoni");
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	115 if (spu == 0.)
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	116 {
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	117 cm->print = -1;
19139 afd6179d2616 allow building with new version of SuiteSparse (bug #43063) John W. Eaton <jwe@octave.org> parents: 17787 diff changeset	118 SUITESPARSE_ASSIGN_FPTR (printf_func, cm->print_function, 0);
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	119 }
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	120 else
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	121 {
5760 8d7162924bd3 [project @ 2006-04-14 04:01:37 by jwe] jwe parents: 5717 diff changeset	122 cm->print = static_cast<int> (spu) + 2;
19139 afd6179d2616 allow building with new version of SuiteSparse (bug #43063) John W. Eaton <jwe@octave.org> parents: 17787 diff changeset	123 SUITESPARSE_ASSIGN_FPTR (printf_func, cm->print_function, &SparseCholPrint);
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	124 }
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	125
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	126 cm->error_handler = &SparseCholError;
19139 afd6179d2616 allow building with new version of SuiteSparse (bug #43063) John W. Eaton <jwe@octave.org> parents: 17787 diff changeset	127 SUITESPARSE_ASSIGN_FPTR2 (divcomplex_func, cm->complex_divide, divcomplex);
afd6179d2616 allow building with new version of SuiteSparse (bug #43063) John W. Eaton <jwe@octave.org> parents: 17787 diff changeset	128 SUITESPARSE_ASSIGN_FPTR2 (hypot_func, cm->hypotenuse, hypot);
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	129
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	130 double dummy;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	131 cholmod_sparse Astore;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	132 cholmod_sparse *A = &Astore;
5527 ce71ed4c6da6 [project @ 2005-11-01 22:15:49 by jwe] jwe parents: 5512 diff changeset	133 A->packed = true;
ce71ed4c6da6 [project @ 2005-11-01 22:15:49 by jwe] jwe parents: 5512 diff changeset	134 A->sorted = true;
7520 b166043585a8 use 0 instead of NULL John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	135 A->nz = 0;
16313 6aafe87a3144 use int64_t for idx type if --enable-64 John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	136 #ifdef USE_64_BIT_IDX_T
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	137 A->itype = CHOLMOD_LONG;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	138 #else
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	139 A->itype = CHOLMOD_INT;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	140 #endif
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	141 A->dtype = CHOLMOD_DOUBLE;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	142 A->stype = 1;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	143 A->x = &dummy;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	144
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	145 if (args(0).is_real_type ())
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	146 {
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	147 const SparseMatrix a = args(0).sparse_matrix_value ();
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	148 A->nrow = a.rows ();
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	149 A->ncol = a.cols ();
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	150 A->p = a.cidx ();
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	151 A->i = a.ridx ();
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	152 A->nzmax = a.nnz ();
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	153 A->xtype = CHOLMOD_REAL;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	154
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	155 if (a.rows () > 0 && a.cols () > 0)
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	156 A->x = a.data ();
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	157 }
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	158 else if (args(0).is_complex_type ())
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	159 {
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	160 const SparseComplexMatrix a = args(0).sparse_complex_matrix_value ();
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	161 A->nrow = a.rows ();
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	162 A->ncol = a.cols ();
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	163 A->p = a.cidx ();
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	164 A->i = a.ridx ();
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	165 A->nzmax = a.nnz ();
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	166 A->xtype = CHOLMOD_COMPLEX;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	167
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	168 if (a.rows () > 0 && a.cols () > 0)
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	169 A->x = a.data ();
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	170 }
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	171 else
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7520 diff changeset	172 gripe_wrong_type_arg ("symbfact", args(0));
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	173
5527 ce71ed4c6da6 [project @ 2005-11-01 22:15:49 by jwe] jwe parents: 5512 diff changeset	174 octave_idx_type coletree = false;
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	175 octave_idx_type n = A->nrow;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	176
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	177 if (nargin > 1)
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	178 {
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	179 char ch;
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	180 std::string str = args(1).string_value ();
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	181 ch = tolower (str.c_str ()[0]);
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	182 if (ch == 'r')
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	183 A->stype = 0;
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	184 else if (ch == 'c')
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	185 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	186 n = A->ncol;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	187 coletree = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	188 A->stype = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	189 }
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	190 else if (ch == 's')
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	191 A->stype = 1;
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	192 else if (ch == 's')
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	193 A->stype = -1;
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	194 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	195 error ("symbfact: unrecognized TYP in symbolic factorization");
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	196 }
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	197
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	198 if (A->stype && A->nrow != A->ncol)
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	199 error ("symbfact: S must be a square matrix");
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	200
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	201 if (!error_state)
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	202 {
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	203 OCTAVE_LOCAL_BUFFER (octave_idx_type, Parent, n);
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	204 OCTAVE_LOCAL_BUFFER (octave_idx_type, Post, n);
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	205 OCTAVE_LOCAL_BUFFER (octave_idx_type, ColCount, n);
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	206 OCTAVE_LOCAL_BUFFER (octave_idx_type, First, n);
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	207 OCTAVE_LOCAL_BUFFER (octave_idx_type, Level, n);
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	208
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	209 cholmod_sparse *F = CHOLMOD_NAME(transpose) (A, 0, cm);
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	210 cholmod_sparse Aup, Alo;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	211
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	212 if (A->stype == 1 \|\| coletree)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	213 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	214 Aup = A ;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	215 Alo = F ;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	216 }
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	217 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	218 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	219 Aup = F ;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	220 Alo = A ;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	221 }
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	222
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	223 CHOLMOD_NAME(etree) (Aup, Parent, cm);
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	224
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	225 if (cm->status < CHOLMOD_OK)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	226 {
14854 5ae9f0f77635 maint: Use Octave coding conventions for coddling parenthis is DLD-FUNCTIONS directory Rik <octave@nomad.inbox5.com> parents: 14846 diff changeset	227 error ("matrix corrupted");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	228 goto symbfact_error;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	229 }
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	230
7520 b166043585a8 use 0 instead of NULL John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	231 if (CHOLMOD_NAME(postorder) (Parent, n, 0, Post, cm) != n)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	232 {
14854 5ae9f0f77635 maint: Use Octave coding conventions for coddling parenthis is DLD-FUNCTIONS directory Rik <octave@nomad.inbox5.com> parents: 14846 diff changeset	233 error ("postorder failed");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	234 goto symbfact_error;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	235 }
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	236
7520 b166043585a8 use 0 instead of NULL John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	237 CHOLMOD_NAME(rowcolcounts) (Alo, 0, 0, Parent, Post, 0,
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	238 ColCount, First, Level, cm);
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	239
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	240 if (cm->status < CHOLMOD_OK)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	241 {
14854 5ae9f0f77635 maint: Use Octave coding conventions for coddling parenthis is DLD-FUNCTIONS directory Rik <octave@nomad.inbox5.com> parents: 14846 diff changeset	242 error ("matrix corrupted");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	243 goto symbfact_error;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	244 }
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	245
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	246 if (nargout > 4)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	247 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	248 cholmod_sparse A1, A2;
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	249
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	250 if (A->stype == 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	251 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	252 A1 = A;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	253 A2 = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	254 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	255 else if (A->stype == -1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	256 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	257 A1 = F;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	258 A2 = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	259 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	260 else if (coletree)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	261 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	262 A1 = F;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	263 A2 = A;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	264 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	265 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	266 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	267 A1 = A;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	268 A2 = F;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	269 }
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	270
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	271 // count the total number of entries in L
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	272 octave_idx_type lnz = 0 ;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	273 for (octave_idx_type j = 0 ; j < n ; j++)
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 14854 diff changeset	274 lnz += ColCount[j];
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	275
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	276
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	277 // allocate the output matrix L (pattern-only)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	278 SparseBoolMatrix L (n, n, lnz);
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	279
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	280 // initialize column pointers
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	281 lnz = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	282 for (octave_idx_type j = 0 ; j < n ; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	283 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	284 L.xcidx(j) = lnz;
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 14854 diff changeset	285 lnz += ColCount[j];
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	286 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	287 L.xcidx(n) = lnz;
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	288
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	289
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	290 /* create a copy of the column pointers */
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	291 octave_idx_type *W = First;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	292 for (octave_idx_type j = 0 ; j < n ; j++)
14854 5ae9f0f77635 maint: Use Octave coding conventions for coddling parenthis is DLD-FUNCTIONS directory Rik <octave@nomad.inbox5.com> parents: 14846 diff changeset	293 W[j] = L.xcidx (j);
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	294
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	295 // get workspace for computing one row of L
16316 49ebf4ad558b * symbfact.cc (Fsymbfact): Use CHOLMOD_NAME to access allocate_sparse and free_sparse functions. John W. Eaton <jwe@octave.org> parents: 16313 diff changeset	296 cholmod_sparse *R
49ebf4ad558b * symbfact.cc (Fsymbfact): Use CHOLMOD_NAME to access allocate_sparse and free_sparse functions. John W. Eaton <jwe@octave.org> parents: 16313 diff changeset	297 = CHOLMOD_NAME (allocate_sparse) (n, 1, n, false, true,
49ebf4ad558b * symbfact.cc (Fsymbfact): Use CHOLMOD_NAME to access allocate_sparse and free_sparse functions. John W. Eaton <jwe@octave.org> parents: 16313 diff changeset	298 0, CHOLMOD_PATTERN, cm);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	299 octave_idx_type Rp = static_cast<octave_idx_type >(R->p);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	300 octave_idx_type Ri = static_cast<octave_idx_type >(R->i);
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	301
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	302 // compute L one row at a time
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	303 for (octave_idx_type k = 0 ; k < n ; k++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	304 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	305 // get the kth row of L and store in the columns of L
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	306 CHOLMOD_NAME (row_subtree) (A1, A2, k, Parent, R, cm) ;
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 14854 diff changeset	307 for (octave_idx_type p = 0 ; p < Rp[1] ; p++)
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 14854 diff changeset	308 L.xridx (W[Ri[p]]++) = k ;
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	309
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	310 // add the diagonal entry
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 14854 diff changeset	311 L.xridx (W[k]++) = k ;
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	312 }
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	313
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	314 // free workspace
16316 49ebf4ad558b * symbfact.cc (Fsymbfact): Use CHOLMOD_NAME to access allocate_sparse and free_sparse functions. John W. Eaton <jwe@octave.org> parents: 16313 diff changeset	315 CHOLMOD_NAME (free_sparse) (&R, cm) ;
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	316
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	317
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	318 // transpose L to get R, or leave as is
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	319 if (nargin < 3)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	320 L = L.transpose ();
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	321
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	322 // fill numerical values of L with one's
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	323 for (octave_idx_type p = 0 ; p < lnz ; p++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	324 L.xdata(p) = true;
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	325
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	326 retval(4) = L;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	327 }
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	328
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	329 ColumnVector tmp (n);
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	330 if (nargout > 3)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	331 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	332 for (octave_idx_type i = 0; i < n; i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	333 tmp(i) = Post[i] + 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	334 retval(3) = tmp;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	335 }
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	336
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	337 if (nargout > 2)
10154 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 for (octave_idx_type i = 0; i < n; i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	340 tmp(i) = Parent[i] + 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	341 retval(2) = tmp;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	342 }
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	343
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	344 if (nargout > 1)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	345 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	346 /* compute the elimination tree height */
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	347 octave_idx_type height = 0 ;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	348 for (int i = 0 ; i < n ; i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	349 height = (height > Level[i] ? height : Level[i]);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	350 height++ ;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	351 retval(1) = static_cast<double> (height);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	352 }
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	353
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	354 for (octave_idx_type i = 0; i < n; i++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	355 tmp(i) = ColCount[i];
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	356 retval(0) = tmp;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	357 }
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	358
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	359 symbfact_error:
5512 7c8767d0ffc0 [project @ 2005-10-27 02:20:17 by jwe] jwe parents: 5506 diff changeset	360 #else
7c8767d0ffc0 [project @ 2005-10-27 02:20:17 by jwe] jwe parents: 5506 diff changeset	361 error ("symbfact: not available in this version of Octave");
7c8767d0ffc0 [project @ 2005-10-27 02:20:17 by jwe] jwe parents: 5506 diff changeset	362 #endif
7c8767d0ffc0 [project @ 2005-10-27 02:20:17 by jwe] jwe parents: 5506 diff changeset	363
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	364 return retval;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	365 }

Mercurial > octave-antonio

annotate libinterp/dldfcn/symbfact.cc @ 20163:075a5e2e1ba5 stable