octave: libinterp/corefcn/lu.cc annotate

annotate libinterp/corefcn/lu.cc @ 20940:48b2ad5ee801

maint: Rename oct-obj.[cc|h] to ovl.[cc|h] for clarity. * libinterp/corefcn/oct-obj.h: Replaced. Contains a #warning issued if used in compilation and includes "ovl.h" instead. Original file renamed to libinterp/octave-value/ovl.h * libinterp/corefcn/oct-obj.cc: Renamed to libinterp/octave-value/ovl.cc. * oct-obj.cc (ovl ()): Added new function to return empty octave_value_list. * libinterp/corefcn/module.mk: Remove oct-obj.cc from build system. * libinterp/octave-value/module.mk: Add ovl.h and ovl.cc to build system. * mk-opts.pl, annotation-dialog.h, Cell.cc, __contourc__.cc, __dsearchn__.cc, __lin_interpn__.cc, __pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc, colloc.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, debug.cc, defaults.cc, defun.cc, det.cc, dirfns.cc, dlmread.cc, eig.cc, error.cc, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, graphics.cc, gripes.cc, help.cc, hess.cc, hex2num.cc, hook-fcn.h, input.cc, input.h, inv.cc, kron.cc, load-save.cc, lookup.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc, ls-oct-binary.cc, ls-oct-text.cc, lsode.cc, lu.cc, luinc.cc, max.cc, mex.cc, oct-hist.cc, oct-lvalue.cc, oct-lvalue.h, oct-map.h, oct-stream.cc, oct.h, ordschur.cc, pager.cc, pinv.cc, pr-output.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, sparse-xpow.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symtab.h, syscalls.cc, sysdep.cc, time.cc, toplev.cc, tril.cc, tsearch.cc, typecast.cc, urlwrite.cc, utils.cc, variables.cc, xpow.cc, __delaunayn__.cc, __glpk__.cc, __voronoi__.cc, audiodevinfo.cc, audioread.cc, chol.cc, convhulln.cc, dmperm.cc, qr.cc, symbfact.cc, mkbuiltins, ov-base-diag.h, ov-base-int.cc, ov-base-mat.cc, ov-base-mat.h, ov-base-scalar.cc, ov-base-sparse.cc, ov-base-sparse.h, ov-base.cc, ov-bool-mat.cc, ov-bool.cc, ov-builtin.cc, ov-cell.cc, ov-colon.cc, ov-complex.cc, ov-cs-list.h, ov-cx-mat.cc, ov-dld-fcn.cc, ov-fcn.cc, ov-fcn.h, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-mat.cc, ov-flt-re-mat.cc, ov-int16.cc, ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.h, ov-mex-fcn.cc, ov-perm.h, ov-range.cc, ov-re-mat.cc, ov-scalar.cc, ov-str-mat.cc, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, octave.cc, op-b-b.cc, op-b-bm.cc, op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-double-conv.cc, op-fcdm-fcdm.cc, op-fcdm-fdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc, op-float-conv.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc, op-int-conv.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, parse.h, pt-arg-list.cc, pt-assign.cc, pt-binop.cc, pt-cbinop.cc, pt-cell.cc, pt-colon.cc, pt-const.cc, pt-eval.h, pt-fcn-handle.cc, pt-funcall.h, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-mat.cc, pt-select.cc, pt-unop.cc, token.cc, Array-sym.cc: replace '#include "oct-obj.h"' with '#include "ovl.h"'.

author	Rik <rik@octave.org>
date	Fri, 18 Dec 2015 16:04:56 -0800
parents	4d3daf7e43f3
children	a4f5da7c5463

rev	line source
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	1 /*
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	2
19697 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 19596 diff changeset	3 Copyright (C) 1996-2015 John W. Eaton
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	4
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	6
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	8 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5823 diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5823 diff changeset	10 option) any later version.
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	11
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	15 for more details.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	16
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	17 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5823 diff changeset	18 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5823 diff changeset	19 <http://www.gnu.org/licenses/>.
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	20
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	21 */
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	22
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	23 #ifdef HAVE_CONFIG_H
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	24 #include <config.h>
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	25 #endif
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	26
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	27 #include "CmplxLU.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	28 #include "dbleLU.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7515 diff changeset	29 #include "fCmplxLU.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7515 diff changeset	30 #include "floatLU.h"
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	31 #include "SparseCmplxLU.h"
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	32 #include "SparsedbleLU.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	33
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	34 #include "defun.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	35 #include "error.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	36 #include "gripes.h"
20940 48b2ad5ee801 maint: Rename oct-obj.[cc\|h] to ovl.[cc\|h] for clarity. Rik <rik@octave.org> parents: 20921 diff changeset	37 #include "ovl.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	38 #include "utils.h"
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	39 #include "ov-re-sparse.h"
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	40 #include "ov-cx-sparse.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	41
8869 c3b743b1b1c6 preset triangular type if possible for lu and qr outputs Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	42 template <class MT>
c3b743b1b1c6 preset triangular type if possible for lu and qr outputs Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	43 static octave_value
9715 9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9709 diff changeset	44 get_lu_l (const base_lu<MT>& fact)
8869 c3b743b1b1c6 preset triangular type if possible for lu and qr outputs Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	45 {
9715 9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9709 diff changeset	46 MT L = fact.L ();
9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9709 diff changeset	47 if (L.is_square ())
9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9709 diff changeset	48 return octave_value (L, MatrixType (MatrixType::Lower));
8869 c3b743b1b1c6 preset triangular type if possible for lu and qr outputs Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	49 else
9715 9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9709 diff changeset	50 return L;
9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9709 diff changeset	51 }
8869 c3b743b1b1c6 preset triangular type if possible for lu and qr outputs Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	52
9715 9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9709 diff changeset	53 template <class MT>
9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9709 diff changeset	54 static octave_value
9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9709 diff changeset	55 get_lu_u (const base_lu<MT>& fact)
9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9709 diff changeset	56 {
9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9709 diff changeset	57 MT U = fact.U ();
9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9709 diff changeset	58 if (U.is_square () && fact.regular ())
9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9709 diff changeset	59 return octave_value (U, MatrixType (MatrixType::Upper));
9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9709 diff changeset	60 else
9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9709 diff changeset	61 return U;
8869 c3b743b1b1c6 preset triangular type if possible for lu and qr outputs Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	62 }
c3b743b1b1c6 preset triangular type if possible for lu and qr outputs Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	63
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	64 DEFUN (lu, args, nargout,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	65 "-- texinfo --\n\
20853 1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20816 diff changeset	66 @deftypefn {} {[@var{L}, @var{U}] =} lu (@var{A})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20816 diff changeset	67 @deftypefnx {} {[@var{L}, @var{U}, @var{P}] =} lu (@var{A})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20816 diff changeset	68 @deftypefnx {} {[@var{L}, @var{U}, @var{P}, @var{Q}] =} lu (@var{S})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20816 diff changeset	69 @deftypefnx {} {[@var{L}, @var{U}, @var{P}, @var{Q}, @var{R}] =} lu (@var{S})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20816 diff changeset	70 @deftypefnx {} {[@dots{}] =} lu (@var{S}, @var{thres})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20816 diff changeset	71 @deftypefnx {} {@var{y} =} lu (@dots{})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20816 diff changeset	72 @deftypefnx {} {[@dots{}] =} lu (@dots{}, \"vector\")\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	73 @cindex LU decomposition\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19864 diff changeset	74 Compute the LU@tie{}decomposition of @var{A}.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19864 diff changeset	75 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19864 diff changeset	76 If @var{A} is full subroutines from @sc{lapack} are used and if @var{A} is\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19864 diff changeset	77 sparse then @sc{umfpack} is used.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19864 diff changeset	78 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19864 diff changeset	79 The result is returned in a permuted form, according to the optional return\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	80 value @var{P}. For example, given the matrix @code{a = [1, 2; 3, 4]},\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	81 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	82 @example\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	83 [l, u, p] = lu (@var{a})\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	84 @end example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	85 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	86 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	87 returns\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	88 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	89 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8969 diff changeset	90 @group\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	91 l =\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	92 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	93 1.00000 0.00000\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	94 0.33333 1.00000\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	95 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	96 u =\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	97 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	98 3.00000 4.00000\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	99 0.00000 0.66667\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	100 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	101 p =\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	102 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	103 0 1\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	104 1 0\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8969 diff changeset	105 @end group\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	106 @end example\n\
4329 d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 3587 diff changeset	107 \n\
5457 c6dc1ccd83a9 [project @ 2005-09-19 19:23:35 by jwe] jwe parents: 5307 diff changeset	108 The matrix is not required to be square.\n\
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	109 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	110 When called with two or three output arguments and a spare input matrix,\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	111 @code{lu} does not attempt to perform sparsity preserving column\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8969 diff changeset	112 permutations. Called with a fourth output argument, the sparsity\n\
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	113 preserving column transformation @var{Q} is returned, such that\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	114 @code{@var{P} * @var{A} * @var{Q} = @var{L} * @var{U}}.\n\
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	115 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	116 Called with a fifth output argument and a sparse input matrix,\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	117 @code{lu} attempts to use a scaling factor @var{R} on the input matrix\n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	118 such that\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	119 @code{@var{P} * (@var{R} \\ @var{A}) * @var{Q} = @var{L} * @var{U}}.\n\
9065 8207b833557f Cleanup documentation for arith.texi, linalg.texi, nonlin.texi Rik <rdrider0-list@yahoo.com> parents: 9064 diff changeset	120 This typically leads to a sparser and more stable factorization.\n\
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	121 \n\
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	122 An additional input argument @var{thres}, that defines the pivoting\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8969 diff changeset	123 threshold can be given. @var{thres} can be a scalar, in which case\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	124 it defines the @sc{umfpack} pivoting tolerance for both symmetric and\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	125 unsymmetric cases. If @var{thres} is a 2-element vector, then the first\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	126 element defines the pivoting tolerance for the unsymmetric @sc{umfpack}\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	127 pivoting strategy and the second for the symmetric strategy. By default,\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	128 the values defined by @code{spparms} are used ([0.1, 0.001]).\n\
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	129 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17268 diff changeset	130 Given the string argument @qcode{\"vector\"}, @code{lu} returns the values\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17268 diff changeset	131 of @var{P} and @var{Q} as vector values, such that for full matrix,\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17268 diff changeset	132 @code{@var{A} (@var{P},:) = @var{L} * @var{U}}, and @code{@var{R}(@var{P},:)\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17268 diff changeset	133 * @var{A} (:, @var{Q}) = @var{L} * @var{U}}.\n\
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	134 \n\
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	135 With two output arguments, returns the permuted forms of the upper and\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	136 lower triangular matrices, such that @code{@var{A} = @var{L} * @var{U}}.\n\
9209 923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction. Rik <rdrider0-list@yahoo.com> parents: 9065 diff changeset	137 With one output argument @var{y}, then the matrix returned by the @sc{lapack}\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	138 routines is returned. If the input matrix is sparse then the matrix @var{L}\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	139 is embedded into @var{U} to give a return value similar to the full case.\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	140 For both full and sparse matrices, @code{lu} loses the permutation\n\
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	141 information.\n\
19055 38937efbee21 Incorporate new functions ichol and ilu into Octave. Rik <rik@octave.org> parents: 18849 diff changeset	142 @seealso{luupdate, ilu, chol, hess, qr, qz, schur, svd}\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	143 @end deftypefn")
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	144 {
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	145 int nargin = args.length ();
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	146 bool issparse = (nargin > 0 && args(0).is_sparse_type ());
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	147
20909 03e4ddd49396 omit unnecessary nargout checks John W. Eaton <jwe@octave.org> parents: 20898 diff changeset	148 if (nargin < 1 \|\| (issparse && nargin > 3) \|\| (! issparse && nargin > 2))
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	149 print_usage ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	150
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	151 bool vecout = false;
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	152 Matrix thres;
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	153 int n = 1;
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	154
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	155 while (n < nargin)
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	156 {
18112 b560bac0fca2 maint: Don't use space between 'args' and '(' when doing indexing. Rik <rik@octave.org> parents: 18100 diff changeset	157 if (args(n).is_string ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	158 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	159 std::string tmp = args(n++).string_value ();
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	160
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	161 if (tmp == "vector")
19743 67f2c76f9f4d Remove unnecessary checking of error_state after is_string validation. Rik <rik@octave.org> parents: 19697 diff changeset	162 vecout = true;
67f2c76f9f4d Remove unnecessary checking of error_state after is_string validation. Rik <rik@octave.org> parents: 19697 diff changeset	163 else
67f2c76f9f4d Remove unnecessary checking of error_state after is_string validation. Rik <rik@octave.org> parents: 19697 diff changeset	164 error ("lu: unrecognized string argument");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	165 }
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	166 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	167 {
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	168 if (! issparse)
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	169 error ("lu: can not define pivoting threshold THRES for full matrices");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	170 Matrix tmp = args(n++).matrix_value ();
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	171
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	172 if (tmp.numel () == 1)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	173 {
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	174 thres.resize (1,2);
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	175 thres(0) = tmp(0);
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	176 thres(1) = tmp(0);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	177 }
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	178 else if (tmp.numel () == 2)
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	179 thres = tmp;
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	180 else
20711 7b608fadc663 Make error messages more specific about the variable and problem encountered. Rik <rik@octave.org> parents: 20555 diff changeset	181 error ("lu: THRES must be a 1 or 2-element vector");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	182 }
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	183 }
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	184
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	185 octave_value_list retval;
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	186 bool scale = (nargout == 5);
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	187
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	188 octave_value arg = args(0);
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	189
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 4329 diff changeset	190 octave_idx_type nr = arg.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 4329 diff changeset	191 octave_idx_type nc = arg.columns ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	192
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	193 int arg_is_empty = empty_arg ("lu", nr, nc);
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	194
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	195 if (issparse)
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	196 {
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	197 if (arg_is_empty < 0)
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	198 return octave_value_list ();
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	199 else if (arg_is_empty > 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	200 return octave_value_list (5, SparseMatrix ());
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	201
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	202 if (arg.is_real_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	203 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	204 SparseMatrix m = arg.sparse_matrix_value ();
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	205
18678 6113e0c6920b maint: Clean up extra spaces before/after parentheses. Rik <rik@octave.org> parents: 18497 diff changeset	206 if (nargout < 4)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	207 {
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	208 ColumnVector Qinit (nc);
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	209 for (octave_idx_type i = 0; i < nc; i++)
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	210 Qinit(i) = i;
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	211 SparseLU fact (m, Qinit, thres, false, true);
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	212
18678 6113e0c6920b maint: Clean up extra spaces before/after parentheses. Rik <rik@octave.org> parents: 18497 diff changeset	213 if (nargout < 2)
19861 19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19743 diff changeset	214 retval(0) = fact.Y ();
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	215 else
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	216 {
20921 4d3daf7e43f3 eliminate trailing whitespace in source files John W. Eaton <jwe@octave.org> parents: 20909 diff changeset	217 retval.resize (nargout == 3 ? 3 : 2);
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	218 retval(1)
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	219 = octave_value (
19593 446c46af4b42 strip trailing whitespace from most source files John W. Eaton <jwe@octave.org> parents: 18488 diff changeset	220 fact.U () * fact.Pc_mat ().transpose (),
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	221 MatrixType (MatrixType::Permuted_Upper,
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	222 nc, fact.col_perm ()));
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	223
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	224 PermMatrix P = fact.Pr_mat ();
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	225 SparseMatrix L = fact.L ();
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	226
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	227 if (nargout == 2)
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	228 retval(0)
18678 6113e0c6920b maint: Clean up extra spaces before/after parentheses. Rik <rik@octave.org> parents: 18497 diff changeset	229 = octave_value (P.transpose () * L,
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	230 MatrixType (MatrixType::Permuted_Lower,
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	231 nr, fact.row_perm ()));
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	232 else
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	233 {
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	234 retval(0) = L;
18678 6113e0c6920b maint: Clean up extra spaces before/after parentheses. Rik <rik@octave.org> parents: 18497 diff changeset	235 if (vecout)
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	236 retval(2) = fact.Pr_vec();
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	237 else
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	238 retval(2) = P;
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	239 }
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	240 }
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	241 }
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	242 else
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	243 {
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	244 retval.resize (scale ? 5 : 4);
19861 19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19743 diff changeset	245 SparseLU fact (m, thres, scale);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	246
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	247 retval(0) = octave_value (fact.L (),
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	248 MatrixType (MatrixType::Lower));
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	249 retval(1) = octave_value (fact.U (),
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	250 MatrixType (MatrixType::Upper));
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	251
19861 19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19743 diff changeset	252 if (vecout)
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19743 diff changeset	253 {
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	254 retval(2) = fact.Pr_vec ();
19861 19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19743 diff changeset	255 retval(3) = fact.Pc_vec ();
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19743 diff changeset	256 }
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19743 diff changeset	257 else
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19743 diff changeset	258 {
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	259 retval(2) = fact.Pr_mat ();
19861 19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19743 diff changeset	260 retval(3) = fact.Pc_mat ();
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19743 diff changeset	261 }
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	262
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	263 if (scale)
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	264 retval(4) = fact.R ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	265 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	266 }
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	267 else if (arg.is_complex_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	268 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	269 SparseComplexMatrix m = arg.sparse_complex_matrix_value ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	270
18678 6113e0c6920b maint: Clean up extra spaces before/after parentheses. Rik <rik@octave.org> parents: 18497 diff changeset	271 if (nargout < 4)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	272 {
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	273 ColumnVector Qinit (nc);
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	274 for (octave_idx_type i = 0; i < nc; i++)
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	275 Qinit(i) = i;
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	276 SparseComplexLU fact (m, Qinit, thres, false, true);
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	277
18678 6113e0c6920b maint: Clean up extra spaces before/after parentheses. Rik <rik@octave.org> parents: 18497 diff changeset	278 if (nargout < 2)
19861 19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19743 diff changeset	279 retval(0) = fact.Y ();
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	280 else
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	281 {
20921 4d3daf7e43f3 eliminate trailing whitespace in source files John W. Eaton <jwe@octave.org> parents: 20909 diff changeset	282 retval.resize (nargout == 3 ? 3 : 2);
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	283 retval(1)
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	284 = octave_value (
19593 446c46af4b42 strip trailing whitespace from most source files John W. Eaton <jwe@octave.org> parents: 18488 diff changeset	285 fact.U () * fact.Pc_mat ().transpose (),
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	286 MatrixType (MatrixType::Permuted_Upper,
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	287 nc, fact.col_perm ()));
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	288
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	289 PermMatrix P = fact.Pr_mat ();
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	290 SparseComplexMatrix L = fact.L ();
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	291 if (nargout == 2)
19861 19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19743 diff changeset	292 retval(0)
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19743 diff changeset	293 = octave_value (P.transpose () * L,
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19743 diff changeset	294 MatrixType (MatrixType::Permuted_Lower,
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19743 diff changeset	295 nr, fact.row_perm ()));
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	296 else
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	297 {
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	298 retval(0) = L;
18678 6113e0c6920b maint: Clean up extra spaces before/after parentheses. Rik <rik@octave.org> parents: 18497 diff changeset	299 if (vecout)
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	300 retval(2) = fact.Pr_vec();
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	301 else
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	302 retval(2) = P;
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	303 }
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	304 }
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	305 }
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	306 else
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	307 {
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	308 retval.resize (scale ? 5 : 4);
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	309 SparseComplexLU fact (m, thres, scale);
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	310
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	311 retval(0) = octave_value (fact.L (),
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	312 MatrixType (MatrixType::Lower));
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	313 retval(1) = octave_value (fact.U (),
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	314 MatrixType (MatrixType::Upper));
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	315
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	316 if (vecout)
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	317 {
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	318 retval(2) = fact.Pr_vec ();
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	319 retval(3) = fact.Pc_vec ();
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	320 }
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	321 else
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	322 {
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	323 retval(2) = fact.Pr_mat ();
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	324 retval(3) = fact.Pc_mat ();
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	325 }
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	326
19861 19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19743 diff changeset	327 if (scale)
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19743 diff changeset	328 retval(4) = fact.R ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	329 }
18427 93c019f00e59 maint: whitespace fixes for libinterp/corefcn/lu.cc Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18426 diff changeset	330
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	331 }
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	332 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	333 gripe_wrong_type_arg ("lu", arg);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	334 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	335 else
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	336 {
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	337 if (arg_is_empty < 0)
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	338 return octave_value_list ();
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	339 else if (arg_is_empty > 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	340 return octave_value_list (3, Matrix ());
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	341
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	342 if (arg.is_real_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	343 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	344 if (arg.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	345 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	346 FloatMatrix m = arg.float_matrix_value ();
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	347
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	348 FloatLU fact (m);
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	349
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	350 switch (nargout)
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	351 {
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	352 case 0:
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	353 case 1:
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	354 retval = ovl (fact.Y ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	355 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7515 diff changeset	356
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	357 case 2:
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	358 {
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	359 PermMatrix P = fact.P ();
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	360 FloatMatrix L = P.transpose () * fact.L ();
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	361 retval = ovl (L, get_lu_u (fact));
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	362 }
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	363 break;
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	364
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	365 case 3:
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	366 default:
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	367 {
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	368 if (vecout)
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	369 retval = ovl (get_lu_l (fact), get_lu_u (fact),
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	370 fact.P_vec ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	371 else
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	372 retval = ovl (get_lu_l (fact), get_lu_u (fact),
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	373 fact.P ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	374 }
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	375 break;
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	376 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	377 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	378 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	379 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	380 Matrix m = arg.matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7515 diff changeset	381
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	382 LU fact (m);
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	383
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	384 switch (nargout)
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	385 {
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	386 case 0:
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	387 case 1:
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	388 retval = ovl (fact.Y ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	389 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7515 diff changeset	390
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	391 case 2:
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	392 {
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	393 PermMatrix P = fact.P ();
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	394 Matrix L = P.transpose () * fact.L ();
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	395 retval = ovl (L, get_lu_u (fact));
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	396 }
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	397 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7515 diff changeset	398
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	399 case 3:
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	400 default:
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	401 {
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	402 if (vecout)
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	403 retval = ovl (get_lu_l (fact), get_lu_u (fact),
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	404 fact.P_vec ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	405 else
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	406 retval = ovl (get_lu_l (fact), get_lu_u (fact),
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	407 fact.P ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	408 }
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	409 break;
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	410 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	411 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	412 }
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	413 else if (arg.is_complex_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	414 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	415 if (arg.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	416 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	417 FloatComplexMatrix m = arg.float_complex_matrix_value ();
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	418
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	419 FloatComplexLU fact (m);
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	420
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	421 switch (nargout)
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	422 {
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	423 case 0:
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	424 case 1:
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	425 retval = ovl (fact.Y ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	426 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7515 diff changeset	427
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	428 case 2:
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	429 {
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	430 PermMatrix P = fact.P ();
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	431 FloatComplexMatrix L = P.transpose () * fact.L ();
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	432 retval = ovl (L, get_lu_u (fact));
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	433 }
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	434 break;
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	435
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	436 case 3:
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	437 default:
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	438 {
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	439 if (vecout)
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	440 retval = ovl (get_lu_l (fact), get_lu_u (fact),
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	441 fact.P_vec ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	442 else
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	443 retval = ovl (get_lu_l (fact), get_lu_u (fact),
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	444 fact.P ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	445 }
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	446 break;
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	447 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	448 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	449 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	450 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	451 ComplexMatrix m = arg.complex_matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7515 diff changeset	452
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	453 ComplexLU fact (m);
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	454
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	455 switch (nargout)
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	456 {
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	457 case 0:
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	458 case 1:
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	459 retval = ovl (fact.Y ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	460 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7515 diff changeset	461
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	462 case 2:
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	463 {
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	464 PermMatrix P = fact.P ();
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	465 ComplexMatrix L = P.transpose () * fact.L ();
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	466 retval = ovl (L, get_lu_u (fact));
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	467 }
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	468 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7515 diff changeset	469
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	470 case 3:
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	471 default:
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	472 {
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	473 if (vecout)
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	474 retval = ovl (get_lu_l (fact), get_lu_u (fact),
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	475 fact.P_vec ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	476 else
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	477 retval = ovl (get_lu_l (fact), get_lu_u (fact),
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	478 fact.P ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	479 }
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20228 diff changeset	480 break;
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	481 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	482 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	483 }
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	484 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	485 gripe_wrong_type_arg ("lu", arg);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	486 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	487
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	488 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	489 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	490
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	491 /*
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	492 %!assert(lu ([1, 2; 3, 4]), [3, 4; 1/3, 2/3], eps);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	493
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	494 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	495 %! [l, u] = lu ([1, 2; 3, 4]);
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	496 %! assert (l, [1/3, 1; 1, 0], sqrt (eps));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	497 %! assert (u, [3, 4; 0, 2/3], sqrt (eps));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	498
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	499 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	500 %! [l, u, p] = lu ([1, 2; 3, 4]);
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	501 %! assert (l, [1, 0; 1/3, 1], sqrt (eps));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	502 %! assert (u, [3, 4; 0, 2/3], sqrt (eps));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	503 %! assert (p(:,:), [0, 1; 1, 0], sqrt (eps));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	504
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	505 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	506 %! [l, u, p] = lu ([1, 2; 3, 4], "vector");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	507 %! assert (l, [1, 0; 1/3, 1], sqrt (eps));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	508 %! assert (u, [3, 4; 0, 2/3], sqrt (eps));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	509 %! assert (p, [2;1], sqrt (eps));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	510
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	511 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	512 %! [l, u, p] = lu ([1, 2; 3, 4; 5, 6]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	513 %! assert (l, [1, 0; 1/5, 1; 3/5, 1/2], sqrt (eps));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	514 %! assert (u, [5, 6; 0, 4/5], sqrt (eps));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	515 %! assert (p(:,:), [0, 0, 1; 1, 0, 0; 0 1 0], sqrt (eps));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	516
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	517 %!assert (lu (single ([1, 2; 3, 4])), single ([3, 4; 1/3, 2/3]), eps ("single"))
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	518
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	519 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	520 %! [l, u] = lu (single ([1, 2; 3, 4]));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	521 %! assert (l, single ([1/3, 1; 1, 0]), sqrt (eps ("single")));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	522 %! assert (u, single ([3, 4; 0, 2/3]), sqrt (eps ("single")));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	523
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	524 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	525 %! [l, u, p] = lu (single ([1, 2; 3, 4]));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	526 %! assert (l, single ([1, 0; 1/3, 1]), sqrt (eps ("single")));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	527 %! assert (u, single ([3, 4; 0, 2/3]), sqrt (eps ("single")));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	528 %! assert (p(:,:), single ([0, 1; 1, 0]), sqrt (eps ("single")));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	529
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	530 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	531 %! [l, u, p] = lu (single ([1, 2; 3, 4]), "vector");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	532 %! assert (l, single ([1, 0; 1/3, 1]), sqrt (eps ("single")));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	533 %! assert (u, single ([3, 4; 0, 2/3]), sqrt (eps ("single")));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	534 %! assert (p, single ([2;1]), sqrt (eps ("single")));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	535
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	536 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	537 %! [l u p] = lu (single ([1, 2; 3, 4; 5, 6]));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	538 %! assert (l, single ([1, 0; 1/5, 1; 3/5, 1/2]), sqrt (eps ("single")));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	539 %! assert (u, single ([5, 6; 0, 4/5]), sqrt (eps ("single")));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	540 %! assert (p(:,:), single ([0, 0, 1; 1, 0, 0; 0 1 0]), sqrt (eps ("single")));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	541
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	542 %!error lu ()
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	543 %!error <can not define pivoting threshold> lu ([1, 2; 3, 4], 2)
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	544
18488 4c2465444a96 Use %!testif HAVE_UMFPACK for sparse lu test added in cset 2a45b6b87bee Mike Miller <mtmiller@ieee.org> parents: 18427 diff changeset	545 %!testif HAVE_UMFPACK
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	546 %! Bi = [1 2 3 4 5 2 3 6 7 8 4 5 7 8 9];
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	547 %! Bj = [1 3 4 5 6 7 8 9 11 12 13 14 15 16 17];
2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	548 %! Bv = [1 1 1 1 1 1 -1 1 1 1 1 -1 1 -1 1];
18427 93c019f00e59 maint: whitespace fixes for libinterp/corefcn/lu.cc Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18426 diff changeset	549 %! B = sparse (Bi, Bj, Bv);
93c019f00e59 maint: whitespace fixes for libinterp/corefcn/lu.cc Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18426 diff changeset	550 %! [L, U] = lu (B);
18426 807e21ebddd5 maint: Style fixes for tests in libinterp/corefcn/lu.cc Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18425 diff changeset	551 %! assert (L*U, B);
18427 93c019f00e59 maint: whitespace fixes for libinterp/corefcn/lu.cc Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18426 diff changeset	552 %! [L, U, P] = lu(B);
18426 807e21ebddd5 maint: Style fixes for tests in libinterp/corefcn/lu.cc Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18425 diff changeset	553 %! assert (P'LU, B);
18427 93c019f00e59 maint: whitespace fixes for libinterp/corefcn/lu.cc Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18426 diff changeset	554 %! [L, U, P, Q] = lu (B);
18426 807e21ebddd5 maint: Style fixes for tests in libinterp/corefcn/lu.cc Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18425 diff changeset	555 %! assert (P'LU*Q', B);
18425 2a45b6b87bee correct numerical errors in sparse LU factorization (bug #41116). Michael C. Grant <mcg@cvxr.com> parents: 17787 diff changeset	556
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	557 */
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	558
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	559 static
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	560 bool check_lu_dims (const octave_value& l, const octave_value& u,
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	561 const octave_value& p)
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	562 {
18100 6a71e5030df5 Follow coding convention of defining and initializing only 1 variable per line in liboctinterp. Rik <rik@octave.org> parents: 17787 diff changeset	563 octave_idx_type m = l.rows ();
6a71e5030df5 Follow coding convention of defining and initializing only 1 variable per line in liboctinterp. Rik <rik@octave.org> parents: 17787 diff changeset	564 octave_idx_type k = u.rows ();
6a71e5030df5 Follow coding convention of defining and initializing only 1 variable per line in liboctinterp. Rik <rik@octave.org> parents: 17787 diff changeset	565 octave_idx_type n = u.columns ();
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	566
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	567 return ((l.ndims () == 2 && u.ndims () == 2 && k == l.columns ())
19864 17d647821d61 maint: More cleanup of C++ code to follow Octave coding conventions. John W. Eaton <jwe@octave.org> parents: 19861 diff changeset	568 && k == std::min (m, n)
17d647821d61 maint: More cleanup of C++ code to follow Octave coding conventions. John W. Eaton <jwe@octave.org> parents: 19861 diff changeset	569 && (p.is_undefined () \|\| p.rows () == m));
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	570 }
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	571
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	572 DEFUN (luupdate, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	573 "-- texinfo --\n\
20853 1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20816 diff changeset	574 @deftypefn {} {[@var{L}, @var{U}] =} luupdate (@var{L}, @var{U}, @var{x}, @var{y})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20816 diff changeset	575 @deftypefnx {} {[@var{L}, @var{U}, @var{P}] =} luupdate (@var{L}, @var{U}, @var{P}, @var{x}, @var{y})\n\
9709 f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	576 Given an LU@tie{}factorization of a real or complex matrix\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	577 @w{@var{A} = @var{L}*@var{U}}, @var{L}@tie{}lower unit trapezoidal and\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	578 @var{U}@tie{}upper trapezoidal, return the LU@tie{}factorization\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	579 of @w{@var{A} + @var{x}*@var{y}.'}, where @var{x} and @var{y} are\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	580 column vectors (rank-1 update) or matrices with equal number of columns\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	581 (rank-k update).\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19864 diff changeset	582 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19864 diff changeset	583 Optionally, row-pivoted updating can be used by supplying a row permutation\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19864 diff changeset	584 (pivoting) matrix @var{P}; in that case, an updated permutation matrix is\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19864 diff changeset	585 returned. Note that if @var{L}, @var{U}, @var{P} is a pivoted\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19864 diff changeset	586 LU@tie{}factorization as obtained by @code{lu}:\n\
9709 f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	587 \n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	588 @example\n\
14360 97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	589 [@var{L}, @var{U}, @var{P}] = lu (@var{A});\n\
9709 f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	590 @end example\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	591 \n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	592 @noindent\n\
17268 1c21f264d26f doc: Rename @xcode macro to @tcode (transpose code) for clarity. Rik <rik@octave.org> parents: 16920 diff changeset	593 then a factorization of @tcode{@var{A}+@var{x}*@var{y}.'} can be obtained\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	594 either as\n\
9709 f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	595 \n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	596 @example\n\
14360 97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	597 [@var{L1}, @var{U1}] = lu (@var{L}, @var{U}, @var{P}*@var{x}, @var{y})\n\
9709 f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	598 @end example\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	599 \n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	600 @noindent\n\
9709 f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	601 or\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	602 \n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	603 @example\n\
14360 97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	604 [@var{L1}, @var{U1}, @var{P1}] = lu (@var{L}, @var{U}, @var{P}, @var{x}, @var{y})\n\
9709 f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	605 @end example\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	606 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	607 The first form uses the unpivoted algorithm, which is faster, but less\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	608 stable. The second form uses a slower pivoted algorithm, which is more\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	609 stable.\n\
9709 f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	610 \n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19864 diff changeset	611 The matrix case is done as a sequence of rank-1 updates; thus, for large\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19864 diff changeset	612 enough k, it will be both faster and more accurate to recompute the\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19864 diff changeset	613 factorization from scratch.\n\
16920 53eaa83e4181 doc: Add seealso links between various factorization forms. Rik <rik@octave.org> parents: 15195 diff changeset	614 @seealso{lu, cholupdate, qrupdate}\n\
9724 f22bbc5d56e9 Fix various incorrect usages of TeXinfo deffn and deftypefn macros Rik <rdrider0-list@yahoo.com> parents: 9715 diff changeset	615 @end deftypefn")
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	616 {
20816 b16bcd7a2a33 Use int rather than octave_idx_type for nargin data type. Rik <rik@octave.org> parents: 20812 diff changeset	617 int nargin = args.length ();
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	618
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	619 if (nargin != 4 && nargin != 5)
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	620 print_usage ();
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	621
20812 d9ca869ca124 maint: Clean-up more instances of print_usage(). Rik <rik@octave.org> parents: 20802 diff changeset	622 bool pivoted = (nargin == 5);
d9ca869ca124 maint: Clean-up more instances of print_usage(). Rik <rik@octave.org> parents: 20802 diff changeset	623
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	624 octave_value argl = args(0);
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	625 octave_value argu = args(1);
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	626 octave_value argp = pivoted ? args(2) : octave_value ();
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	627 octave_value argx = args(2 + pivoted);
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	628 octave_value argy = args(3 + pivoted);
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	629
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	630 if (! (argl.is_numeric_type () && argu.is_numeric_type ()
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	631 && argx.is_numeric_type () && argy.is_numeric_type ()
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	632 && (! pivoted \|\| argp.is_perm_matrix ())))
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	633 error ("luupdate: L, U, X, and Y must be numeric");
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	634
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	635 if (! check_lu_dims (argl, argu, argp))
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	636 error ("luupdate: dimension mismatch");
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	637
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	638 PermMatrix P = (pivoted
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	639 ? argp.perm_matrix_value ()
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	640 : PermMatrix::eye (argl.rows ()));
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	641
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	642 if (argl.is_real_type () && argu.is_real_type ()
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	643 && argx.is_real_type () && argy.is_real_type ())
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	644 {
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	645 // all real case
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	646 if (argl.is_single_type () \|\| argu.is_single_type ()
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	647 \|\| argx.is_single_type () \|\| argy.is_single_type ())
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	648 {
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	649 FloatMatrix L = argl.float_matrix_value ();
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	650 FloatMatrix U = argu.float_matrix_value ();
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	651 FloatMatrix x = argx.float_matrix_value ();
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	652 FloatMatrix y = argy.float_matrix_value ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	653
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	654 FloatLU fact (L, U, P);
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	655 if (pivoted)
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	656 fact.update_piv (x, y);
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	657 else
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	658 fact.update (x, y);
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	659
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	660 if (pivoted)
20898 8da80da1ac37 maint: Use ovl() more places in the code. Rik <rik@octave.org> parents: 20892 diff changeset	661 return ovl (get_lu_l (fact), get_lu_u (fact), fact.P ());
8da80da1ac37 maint: Use ovl() more places in the code. Rik <rik@octave.org> parents: 20892 diff changeset	662 else
8da80da1ac37 maint: Use ovl() more places in the code. Rik <rik@octave.org> parents: 20892 diff changeset	663 return ovl (get_lu_l (fact), get_lu_u (fact));
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	664 }
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	665 else
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	666 {
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	667 Matrix L = argl.matrix_value ();
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	668 Matrix U = argu.matrix_value ();
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	669 Matrix x = argx.matrix_value ();
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	670 Matrix y = argy.matrix_value ();
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	671
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	672 LU fact (L, U, P);
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	673 if (pivoted)
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	674 fact.update_piv (x, y);
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	675 else
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	676 fact.update (x, y);
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	677
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	678 if (pivoted)
20898 8da80da1ac37 maint: Use ovl() more places in the code. Rik <rik@octave.org> parents: 20892 diff changeset	679 return ovl (get_lu_l (fact), get_lu_u (fact), fact.P ());
8da80da1ac37 maint: Use ovl() more places in the code. Rik <rik@octave.org> parents: 20892 diff changeset	680 else
8da80da1ac37 maint: Use ovl() more places in the code. Rik <rik@octave.org> parents: 20892 diff changeset	681 return ovl (get_lu_l (fact), get_lu_u (fact));
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	682 }
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	683 }
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	684 else
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	685 {
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	686 // complex case
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	687 if (argl.is_single_type () \|\| argu.is_single_type ()
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	688 \|\| argx.is_single_type () \|\| argy.is_single_type ())
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	689 {
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	690 FloatComplexMatrix L = argl.float_complex_matrix_value ();
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	691 FloatComplexMatrix U = argu.float_complex_matrix_value ();
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	692 FloatComplexMatrix x = argx.float_complex_matrix_value ();
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	693 FloatComplexMatrix y = argy.float_complex_matrix_value ();
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	694
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	695 FloatComplexLU fact (L, U, P);
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	696 if (pivoted)
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	697 fact.update_piv (x, y);
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	698 else
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	699 fact.update (x, y);
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	700
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	701 if (pivoted)
20898 8da80da1ac37 maint: Use ovl() more places in the code. Rik <rik@octave.org> parents: 20892 diff changeset	702 return ovl (get_lu_l (fact), get_lu_u (fact), fact.P ());
8da80da1ac37 maint: Use ovl() more places in the code. Rik <rik@octave.org> parents: 20892 diff changeset	703 else
8da80da1ac37 maint: Use ovl() more places in the code. Rik <rik@octave.org> parents: 20892 diff changeset	704 return ovl (get_lu_l (fact), get_lu_u (fact));
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	705 }
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	706 else
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	707 {
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	708 ComplexMatrix L = argl.complex_matrix_value ();
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	709 ComplexMatrix U = argu.complex_matrix_value ();
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	710 ComplexMatrix x = argx.complex_matrix_value ();
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	711 ComplexMatrix y = argy.complex_matrix_value ();
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	712
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	713 ComplexLU fact (L, U, P);
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	714 if (pivoted)
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	715 fact.update_piv (x, y);
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	716 else
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	717 fact.update (x, y);
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	718
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	719 if (pivoted)
20898 8da80da1ac37 maint: Use ovl() more places in the code. Rik <rik@octave.org> parents: 20892 diff changeset	720 return ovl (get_lu_l (fact), get_lu_u (fact), fact.P ());
8da80da1ac37 maint: Use ovl() more places in the code. Rik <rik@octave.org> parents: 20892 diff changeset	721 else
8da80da1ac37 maint: Use ovl() more places in the code. Rik <rik@octave.org> parents: 20892 diff changeset	722 return ovl (get_lu_l (fact), get_lu_u (fact));
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	723 }
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	724 }
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	725 }
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	726
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	727 /*
10080 cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	728 %!shared A, u, v, Ac, uc, vc
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	729 %! A = [0.091364 0.613038 0.999083;
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	730 %! 0.594638 0.425302 0.603537;
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	731 %! 0.383594 0.291238 0.085574;
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	732 %! 0.265712 0.268003 0.238409;
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	733 %! 0.669966 0.743851 0.445057 ];
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	734 %!
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	735 %! u = [0.85082;
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	736 %! 0.76426;
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	737 %! 0.42883;
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	738 %! 0.53010;
10080 cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	739 %! 0.80683 ];
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	740 %!
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	741 %! v = [0.98810;
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	742 %! 0.24295;
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	743 %! 0.43167 ];
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	744 %!
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	745 %! Ac = [0.620405 + 0.956953i 0.480013 + 0.048806i 0.402627 + 0.338171i;
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	746 %! 0.589077 + 0.658457i 0.013205 + 0.279323i 0.229284 + 0.721929i;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	747 %! 0.092758 + 0.345687i 0.928679 + 0.241052i 0.764536 + 0.832406i;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	748 %! 0.912098 + 0.721024i 0.049018 + 0.269452i 0.730029 + 0.796517i;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	749 %! 0.112849 + 0.603871i 0.486352 + 0.142337i 0.355646 + 0.151496i ];
10080 cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	750 %!
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	751 %! uc = [0.20351 + 0.05401i;
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	752 %! 0.13141 + 0.43708i;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	753 %! 0.29808 + 0.08789i;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	754 %! 0.69821 + 0.38844i;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	755 %! 0.74871 + 0.25821i ];
10080 cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	756 %!
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	757 %! vc = [0.85839 + 0.29468i;
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	758 %! 0.20820 + 0.93090i;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	759 %! 0.86184 + 0.34689i ];
10080 cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	760 %!
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	761
10094 ab1101011a6d lu.cc: avoid test failures if HAVE_QRUPDATE_LUU is not defined John W. Eaton <jwe@octave.org> parents: 10080 diff changeset	762 %!testif HAVE_QRUPDATE_LUU
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	763 %! [L,U,P] = lu (A);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	764 %! [L,U] = luupdate (L,U,P*u,v);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	765 %! assert (norm (vec (tril (L)-L), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	766 %! assert (norm (vec (triu (U)-U), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	767 %! assert (norm (vec (P'LU - A - uv.'), Inf) < norm (A)1e1*eps);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	768 %!
10094 ab1101011a6d lu.cc: avoid test failures if HAVE_QRUPDATE_LUU is not defined John W. Eaton <jwe@octave.org> parents: 10080 diff changeset	769 %!testif HAVE_QRUPDATE_LUU
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	770 %! [L,U,P] = lu (Ac);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	771 %! [L,U] = luupdate (L,U,P*uc,vc);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	772 %! assert (norm (vec (tril (L)-L), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	773 %! assert (norm (vec (triu (U)-U), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	774 %! assert (norm (vec (P'LU - Ac - ucvc.'), Inf) < norm (Ac)1e1*eps);
10080 cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	775
10094 ab1101011a6d lu.cc: avoid test failures if HAVE_QRUPDATE_LUU is not defined John W. Eaton <jwe@octave.org> parents: 10080 diff changeset	776 %!testif HAVE_QRUPDATE_LUU
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	777 %! [L,U,P] = lu (single (A));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	778 %! [L,U] = luupdate (L,U,P*single (u), single (v));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	779 %! assert (norm (vec (tril (L)-L), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	780 %! assert (norm (vec (triu (U)-U), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	781 %! assert (norm (vec (P'LU - single (A) - single (u)single (v).'), Inf) < norm (single (A))1e1*eps ("single"));
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	782 %!
10094 ab1101011a6d lu.cc: avoid test failures if HAVE_QRUPDATE_LUU is not defined John W. Eaton <jwe@octave.org> parents: 10080 diff changeset	783 %!testif HAVE_QRUPDATE_LUU
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	784 %! [L,U,P] = lu (single (Ac));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	785 %! [L,U] = luupdate (L,U,P*single (uc),single (vc));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	786 %! assert (norm (vec (tril (L)-L), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	787 %! assert (norm (vec (triu (U)-U), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	788 %! assert (norm (vec (P'LU - single (Ac) - single (uc)single (vc).'), Inf) < norm (single (Ac))1e1*eps ("single"));
10080 cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	789
10094 ab1101011a6d lu.cc: avoid test failures if HAVE_QRUPDATE_LUU is not defined John W. Eaton <jwe@octave.org> parents: 10080 diff changeset	790 %!testif HAVE_QRUPDATE_LUU
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	791 %! [L,U,P] = lu (A);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	792 %! [L,U,P] = luupdate (L,U,P,u,v);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	793 %! assert (norm (vec (tril (L)-L), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	794 %! assert (norm (vec (triu (U)-U), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	795 %! assert (norm (vec (P'LU - A - uv.'), Inf) < norm (A)1e1*eps);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	796 %!
10094 ab1101011a6d lu.cc: avoid test failures if HAVE_QRUPDATE_LUU is not defined John W. Eaton <jwe@octave.org> parents: 10080 diff changeset	797 %!testif HAVE_QRUPDATE_LUU
18849 aa9ca67f09fb make all permutation matrices column permutations (bug #42418) David Spies <dnspies@gmail.com> parents: 18678 diff changeset	798 %! [L,U,P] = lu (A);
aa9ca67f09fb make all permutation matrices column permutations (bug #42418) David Spies <dnspies@gmail.com> parents: 18678 diff changeset	799 %! [~,ordcols] = max (P,[],1);
aa9ca67f09fb make all permutation matrices column permutations (bug #42418) David Spies <dnspies@gmail.com> parents: 18678 diff changeset	800 %! [~,ordrows] = max (P,[],2);
aa9ca67f09fb make all permutation matrices column permutations (bug #42418) David Spies <dnspies@gmail.com> parents: 18678 diff changeset	801 %! P1 = eye (size(P))(:,ordcols);
aa9ca67f09fb make all permutation matrices column permutations (bug #42418) David Spies <dnspies@gmail.com> parents: 18678 diff changeset	802 %! P2 = eye (size(P))(ordrows,:);
aa9ca67f09fb make all permutation matrices column permutations (bug #42418) David Spies <dnspies@gmail.com> parents: 18678 diff changeset	803 %! assert(P1 == P);
aa9ca67f09fb make all permutation matrices column permutations (bug #42418) David Spies <dnspies@gmail.com> parents: 18678 diff changeset	804 %! assert(P2 == P);
aa9ca67f09fb make all permutation matrices column permutations (bug #42418) David Spies <dnspies@gmail.com> parents: 18678 diff changeset	805 %! [L,U,P] = luupdate (L,U,P,u,v);
aa9ca67f09fb make all permutation matrices column permutations (bug #42418) David Spies <dnspies@gmail.com> parents: 18678 diff changeset	806 %! [L,U,P1] = luupdate (L,U,P1,u,v);
aa9ca67f09fb make all permutation matrices column permutations (bug #42418) David Spies <dnspies@gmail.com> parents: 18678 diff changeset	807 %! [L,U,P2] = luupdate (L,U,P2,u,v);
aa9ca67f09fb make all permutation matrices column permutations (bug #42418) David Spies <dnspies@gmail.com> parents: 18678 diff changeset	808 %! assert(P1 == P);
aa9ca67f09fb make all permutation matrices column permutations (bug #42418) David Spies <dnspies@gmail.com> parents: 18678 diff changeset	809 %! assert(P2 == P);
aa9ca67f09fb make all permutation matrices column permutations (bug #42418) David Spies <dnspies@gmail.com> parents: 18678 diff changeset	810 %!
aa9ca67f09fb make all permutation matrices column permutations (bug #42418) David Spies <dnspies@gmail.com> parents: 18678 diff changeset	811 %!testif HAVE_QRUPDATE_LUU
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	812 %! [L,U,P] = lu (Ac);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	813 %! [L,U,P] = luupdate (L,U,P,uc,vc);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	814 %! assert (norm (vec (tril (L)-L), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	815 %! assert (norm (vec (triu (U)-U), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	816 %! assert (norm (vec (P'LU - Ac - ucvc.'), Inf) < norm (Ac)1e1*eps);
10080 cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	817
10094 ab1101011a6d lu.cc: avoid test failures if HAVE_QRUPDATE_LUU is not defined John W. Eaton <jwe@octave.org> parents: 10080 diff changeset	818 %!testif HAVE_QRUPDATE_LUU
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	819 %! [L,U,P] = lu (single (A));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	820 %! [L,U,P] = luupdate (L,U,P,single (u),single (v));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	821 %! assert (norm (vec (tril (L)-L), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	822 %! assert (norm (vec (triu (U)-U), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	823 %! assert (norm (vec (P'LU - single (A) - single (u)single (v).'), Inf) < norm (single (A))1e1*eps ("single"));
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	824 %!
10094 ab1101011a6d lu.cc: avoid test failures if HAVE_QRUPDATE_LUU is not defined John W. Eaton <jwe@octave.org> parents: 10080 diff changeset	825 %!testif HAVE_QRUPDATE_LUU
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	826 %! [L,U,P] = lu (single (Ac));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	827 %! [L,U,P] = luupdate (L,U,P,single (uc),single (vc));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	828 %! assert (norm (vec (tril (L)-L), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	829 %! assert (norm (vec (triu (U)-U), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	830 %! assert (norm (vec (P'LU - single (Ac) - single (uc)single (vc).'), Inf) < norm (single (Ac))1e1*eps ("single"));
10080 cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	831 */

Mercurial > octave

annotate libinterp/corefcn/lu.cc @ 20940:48b2ad5ee801