octave: libinterp/dldfcn/symbfact.cc annotate

annotate libinterp/dldfcn/symbfact.cc @ 20939:b17fda023ca6

maint: Use new C++ archetype in more files. Place input validation first in files. Move declaration of retval down in function to be closer to point of usage. Eliminate else clause after if () error. Use "return ovl()" where it makes sense. * find.cc, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, givens.cc, graphics.cc, help.cc, hess.cc, hex2num.cc, input.cc, kron.cc, load-path.cc, load-save.cc, lookup.cc, mappers.cc, matrix_type.cc, mgorth.cc, nproc.cc, ordschur.cc, pager.cc, pinv.cc, pr-output.cc, profiler.cc, psi.cc, quad.cc, rcond.cc, regexp.cc, schur.cc, sighandlers.cc, sparse.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, time.cc, toplev.cc, tril.cc, tsearch.cc, typecast.cc, urlwrite.cc, utils.cc, variables.cc, __delaunayn__.cc, __eigs__.cc, __glpk__.cc, __magick_read__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, chol.cc, colamd.cc, dmperm.cc, fftw.cc, qr.cc, symbfact.cc, symrcm.cc, ov-bool-mat.cc, ov-cell.cc, ov-class.cc, ov-classdef.cc, ov-fcn-handle.cc, ov-fcn-inline.cc, ov-flt-re-mat.cc, ov-java.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-re-mat.cc, ov-struct.cc, ov-typeinfo.cc, ov-usr-fcn.cc, ov.cc, octave.cc: Use new C++ archetype in more files.

author	Rik <rik@octave.org>
date	Fri, 18 Dec 2015 15:37:22 -0800
parents	8da80da1ac37
children	48b2ad5ee801

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\
20853 1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20792 diff changeset	44 @deftypefn {} {[@var{count}, @var{h}, @var{parent}, @var{post}, @var{r}] =} symbfact (@var{S})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20792 diff changeset	45 @deftypefnx {} {[@dots{}] =} symbfact (@var{S}, @var{typ})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20792 diff changeset	46 @deftypefnx {} {[@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 {
20898 8da80da1ac37 maint: Use ovl() more places in the code. Rik <rik@octave.org> parents: 20853 diff changeset	99 #ifdef HAVE_CHOLMOD
8da80da1ac37 maint: Use ovl() more places in the code. Rik <rik@octave.org> parents: 20853 diff changeset	100
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	101 int nargin = args.length ();
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	102
20792 d0991cbd6141 maint: Remove extra spaces in if () conditionals. Rik <rik@octave.org> parents: 20790 diff changeset	103 if (nargin < 1 \|\| nargin > 3 \|\| nargout > 5)
20790 c2d9556d51d0 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20726 diff changeset	104 print_usage ();
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	105
20898 8da80da1ac37 maint: Use ovl() more places in the code. Rik <rik@octave.org> parents: 20853 diff changeset	106 octave_value_list retval;
5512 7c8767d0ffc0 [project @ 2005-10-27 02:20:17 by jwe] jwe parents: 5506 diff changeset	107
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	108 cholmod_common Common;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	109 cholmod_common *cm = &Common;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	110 CHOLMOD_NAME(start) (cm);
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	111
5893 d73ffe42f2c8 [project @ 2006-07-16 07:48:19 by jwe] jwe parents: 5823 diff changeset	112 double spu = octave_sparse_params::get_key ("spumoni");
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	113 if (spu == 0.)
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	114 {
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	115 cm->print = -1;
19139 afd6179d2616 allow building with new version of SuiteSparse (bug #43063) John W. Eaton <jwe@octave.org> parents: 17787 diff changeset	116 SUITESPARSE_ASSIGN_FPTR (printf_func, cm->print_function, 0);
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	117 }
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	118 else
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	119 {
5760 8d7162924bd3 [project @ 2006-04-14 04:01:37 by jwe] jwe parents: 5717 diff changeset	120 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	121 SUITESPARSE_ASSIGN_FPTR (printf_func, cm->print_function, &SparseCholPrint);
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	122 }
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	123
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	124 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	125 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	126 SUITESPARSE_ASSIGN_FPTR2 (hypot_func, cm->hypotenuse, hypot);
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	127
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	128 double dummy;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	129 cholmod_sparse Astore;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	130 cholmod_sparse *A = &Astore;
5527 ce71ed4c6da6 [project @ 2005-11-01 22:15:49 by jwe] jwe parents: 5512 diff changeset	131 A->packed = true;
ce71ed4c6da6 [project @ 2005-11-01 22:15:49 by jwe] jwe parents: 5512 diff changeset	132 A->sorted = true;
7520 b166043585a8 use 0 instead of NULL John W. Eaton <jwe@octave.org> parents: 7515 diff changeset	133 A->nz = 0;
16313 6aafe87a3144 use int64_t for idx type if --enable-64 John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	134 #ifdef USE_64_BIT_IDX_T
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	135 A->itype = CHOLMOD_LONG;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	136 #else
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	137 A->itype = CHOLMOD_INT;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	138 #endif
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	139 A->dtype = CHOLMOD_DOUBLE;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	140 A->stype = 1;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	141 A->x = &dummy;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	142
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	143 if (args(0).is_real_type ())
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	144 {
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	145 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	146 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	147 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	148 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	149 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	150 A->nzmax = a.nnz ();
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	151 A->xtype = CHOLMOD_REAL;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	152
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	153 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	154 A->x = a.data ();
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	155 }
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	156 else if (args(0).is_complex_type ())
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	157 {
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	158 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	159 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	160 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	161 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	162 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	163 A->nzmax = a.nnz ();
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	164 A->xtype = CHOLMOD_COMPLEX;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	165
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	166 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	167 A->x = a.data ();
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	168 }
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	169 else
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7520 diff changeset	170 gripe_wrong_type_arg ("symbfact", args(0));
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	171
5527 ce71ed4c6da6 [project @ 2005-11-01 22:15:49 by jwe] jwe parents: 5512 diff changeset	172 octave_idx_type coletree = false;
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	173 octave_idx_type n = A->nrow;
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	174
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	175 if (nargin > 1)
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 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	178 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	179 ch = tolower (str.c_str ()[0]);
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	180 if (ch == 'r')
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	181 A->stype = 0;
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	182 else if (ch == 'c')
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	183 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	184 n = A->ncol;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	185 coletree = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	186 A->stype = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	187 }
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	188 else if (ch == 's')
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	189 A->stype = 1;
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
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	193 error ("symbfact: unrecognized TYP in symbolic factorization");
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	194 }
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	195
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	196 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	197 error ("symbfact: S must be a square matrix");
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	198
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	199 OCTAVE_LOCAL_BUFFER (octave_idx_type, Parent, n);
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	200 OCTAVE_LOCAL_BUFFER (octave_idx_type, Post, n);
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	201 OCTAVE_LOCAL_BUFFER (octave_idx_type, ColCount, n);
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	202 OCTAVE_LOCAL_BUFFER (octave_idx_type, First, n);
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	203 OCTAVE_LOCAL_BUFFER (octave_idx_type, Level, n);
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	204
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	205 cholmod_sparse *F = CHOLMOD_NAME(transpose) (A, 0, cm);
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	206 cholmod_sparse Aup, Alo;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	207
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	208 if (A->stype == 1 \|\| coletree)
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	209 {
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	210 Aup = A ;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	211 Alo = F ;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	212 }
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	213 else
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	214 {
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	215 Aup = F ;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	216 Alo = A ;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	217 }
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	218
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	219 CHOLMOD_NAME(etree) (Aup, Parent, cm);
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	220
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	221 if (cm->status < CHOLMOD_OK)
20726 25d676f9619c Preface error() messages with name of function when possible. Rik <rik@octave.org> parents: 20667 diff changeset	222 error ("symbfact: matrix corrupted");
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	223
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	224 if (CHOLMOD_NAME(postorder) (Parent, n, 0, Post, cm) != n)
20726 25d676f9619c Preface error() messages with name of function when possible. Rik <rik@octave.org> parents: 20667 diff changeset	225 error ("symbfact: postorder failed");
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	226
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	227 CHOLMOD_NAME(rowcolcounts) (Alo, 0, 0, Parent, Post, 0,
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	228 ColCount, First, Level, cm);
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	229
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	230 if (cm->status < CHOLMOD_OK)
20726 25d676f9619c Preface error() messages with name of function when possible. Rik <rik@octave.org> parents: 20667 diff changeset	231 error ("symbfact: matrix corrupted");
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	232
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	233 if (nargout > 4)
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	234 {
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	235 cholmod_sparse A1, A2;
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	236
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	237 if (A->stype == 1)
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	238 {
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	239 A1 = A;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	240 A2 = 0;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	241 }
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	242 else if (A->stype == -1)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	243 {
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	244 A1 = F;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	245 A2 = 0;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	246 }
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	247 else if (coletree)
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	248 {
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	249 A1 = F;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	250 A2 = A;
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	251 }
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	252 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	253 {
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	254 A1 = A;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	255 A2 = F;
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	256 }
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	257
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	258 // count the total number of entries in L
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	259 octave_idx_type lnz = 0 ;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	260 for (octave_idx_type j = 0 ; j < n ; j++)
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	261 lnz += ColCount[j];
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	262
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	263
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	264 // allocate the output matrix L (pattern-only)
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	265 SparseBoolMatrix L (n, n, lnz);
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	266
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	267 // initialize column pointers
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	268 lnz = 0;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	269 for (octave_idx_type j = 0 ; j < n ; j++)
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	270 {
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	271 L.xcidx(j) = lnz;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	272 lnz += ColCount[j];
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	273 }
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	274 L.xcidx(n) = lnz;
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	275
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	276
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	277 /* create a copy of the column pointers */
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	278 octave_idx_type *W = First;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	279 for (octave_idx_type j = 0 ; j < n ; j++)
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	280 W[j] = L.xcidx (j);
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	281
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	282 // get workspace for computing one row of L
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	283 cholmod_sparse *R
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	284 = CHOLMOD_NAME (allocate_sparse) (n, 1, n, false, true,
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	285 0, CHOLMOD_PATTERN, cm);
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	286 octave_idx_type Rp = static_cast<octave_idx_type >(R->p);
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	287 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	288
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	289 // compute L one row at a time
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	290 for (octave_idx_type k = 0 ; k < n ; k++)
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	291 {
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	292 // get the kth row of L and store in the columns of L
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	293 CHOLMOD_NAME (row_subtree) (A1, A2, k, Parent, R, cm) ;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	294 for (octave_idx_type p = 0 ; p < Rp[1] ; p++)
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	295 L.xridx (W[Ri[p]]++) = k ;
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	296
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	297 // add the diagonal entry
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	298 L.xridx (W[k]++) = k ;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	299 }
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	300
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	301 // free workspace
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	302 CHOLMOD_NAME (free_sparse) (&R, cm) ;
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	303
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	304
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	305 // transpose L to get R, or leave as is
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	306 if (nargin < 3)
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	307 L = L.transpose ();
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	308
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	309 // fill numerical values of L with one's
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	310 for (octave_idx_type p = 0 ; p < lnz ; p++)
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	311 L.xdata(p) = true;
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	312
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	313 retval(4) = L;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	314 }
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	315
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	316 ColumnVector tmp (n);
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	317 if (nargout > 3)
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	318 {
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	319 for (octave_idx_type i = 0; i < n; i++)
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	320 tmp(i) = Post[i] + 1;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	321 retval(3) = tmp;
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	322 }
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	323
20667 8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	324 if (nargout > 2)
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	325 {
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	326 for (octave_idx_type i = 0; i < n; i++)
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	327 tmp(i) = Parent[i] + 1;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	328 retval(2) = tmp;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	329 }
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	330
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	331 if (nargout > 1)
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	332 {
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	333 /* compute the elimination tree height */
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	334 octave_idx_type height = 0 ;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	335 for (int i = 0 ; i < n ; i++)
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	336 height = (height > Level[i] ? height : Level[i]);
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	337 height++ ;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	338 retval(1) = static_cast<double> (height);
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	339 }
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	340
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	341 for (octave_idx_type i = 0; i < n; i++)
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	342 tmp(i) = ColCount[i];
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	343 retval(0) = tmp;
8742e0b1cc49 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20163 diff changeset	344
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20898 diff changeset	345 return retval;
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20898 diff changeset	346
5512 7c8767d0ffc0 [project @ 2005-10-27 02:20:17 by jwe] jwe parents: 5506 diff changeset	347 #else
7c8767d0ffc0 [project @ 2005-10-27 02:20:17 by jwe] jwe parents: 5506 diff changeset	348 error ("symbfact: not available in this version of Octave");
7c8767d0ffc0 [project @ 2005-10-27 02:20:17 by jwe] jwe parents: 5506 diff changeset	349 #endif
5506 b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman] dbateman parents: diff changeset	350 }

Mercurial > octave

annotate libinterp/dldfcn/symbfact.cc @ 20939:b17fda023ca6