octave-nkf: libinterp/corefcn/lu.cc annotate

annotate libinterp/corefcn/lu.cc @ 17281:bc924baa2c4e

doc: Add new @qcode macro for code samples which are quoted. Macro handles options ("on") or properties ("position") more elegantly than @code{"text"}. * doc/interpreter/macros.texi: Add new @qcode macro. * doc/interpreter/tips.txi: Add documentation about @qcode macro. * doc/interpreter/basics.txi, doc/interpreter/container.txi, doc/interpreter/emacs.txi, doc/interpreter/errors.txi, doc/interpreter/eval.txi, doc/interpreter/expr.txi, doc/interpreter/external.txi, doc/interpreter/func.txi, doc/interpreter/grammar.txi, doc/interpreter/image.txi, doc/interpreter/install.txi, doc/interpreter/interp.txi, doc/interpreter/io.txi, doc/interpreter/matrix.txi, doc/interpreter/numbers.txi, doc/interpreter/oop.txi, doc/interpreter/package.txi, doc/interpreter/plot.txi, doc/interpreter/quad.txi, doc/interpreter/sparse.txi, doc/interpreter/strings.txi, doc/interpreter/system.txi, doc/interpreter/vectorize.txi, libinterp/corefcn/balance.cc, libinterp/corefcn/bitfcns.cc, libinterp/corefcn/cellfun.cc, libinterp/corefcn/conv2.cc, libinterp/corefcn/data.cc, libinterp/corefcn/debug.cc, libinterp/corefcn/defaults.cc, libinterp/corefcn/dirfns.cc, libinterp/corefcn/dlmread.cc, libinterp/corefcn/error.cc, libinterp/corefcn/file-io.cc, libinterp/corefcn/find.cc, libinterp/corefcn/gammainc.cc, libinterp/corefcn/graphics.cc, libinterp/corefcn/help.cc, libinterp/corefcn/hex2num.cc, libinterp/corefcn/input.cc, libinterp/corefcn/load-path.cc, libinterp/corefcn/load-save.cc, libinterp/corefcn/ls-oct-ascii.cc, libinterp/corefcn/lu.cc, libinterp/corefcn/luinc.cc, libinterp/corefcn/matrix_type.cc, libinterp/corefcn/oct-hist.cc, libinterp/corefcn/pager.cc, libinterp/corefcn/pr-output.cc, libinterp/corefcn/pt-jit.cc, libinterp/corefcn/qz.cc, libinterp/corefcn/rand.cc, libinterp/corefcn/regexp.cc, libinterp/corefcn/schur.cc, libinterp/corefcn/sighandlers.cc, libinterp/corefcn/sparse.cc, libinterp/corefcn/spparms.cc, libinterp/corefcn/str2double.cc, libinterp/corefcn/svd.cc, libinterp/corefcn/symtab.cc, libinterp/corefcn/syscalls.cc, libinterp/corefcn/toplev.cc, libinterp/corefcn/tril.cc, libinterp/corefcn/typecast.cc, libinterp/corefcn/utils.cc, libinterp/corefcn/variables.cc, libinterp/dldfcn/__init_fltk__.cc, libinterp/dldfcn/chol.cc, libinterp/dldfcn/colamd.cc, libinterp/dldfcn/fftw.cc, libinterp/dldfcn/qr.cc, libinterp/dldfcn/symbfact.cc, libinterp/octave-value/ov-base.cc, libinterp/octave-value/ov-fcn-handle.cc, libinterp/octave-value/ov-fcn-inline.cc, libinterp/octave-value/ov-java.cc, libinterp/octave-value/ov-range.cc, libinterp/octave-value/ov-struct.cc, libinterp/octave-value/ov-usr-fcn.cc, libinterp/parse-tree/oct-parse.in.yy, libinterp/parse-tree/pt-binop.cc, libinterp/parse-tree/pt-eval.cc, libinterp/parse-tree/pt-mat.cc, scripts/@ftp/ftp.m, scripts/deprecated/java_convert_matrix.m, scripts/deprecated/java_debug.m, scripts/deprecated/java_unsigned_conversion.m, scripts/deprecated/shell_cmd.m, scripts/general/dblquad.m, scripts/general/display.m, scripts/general/genvarname.m, scripts/general/idivide.m, scripts/general/interp1.m, scripts/general/interp2.m, scripts/general/interp3.m, scripts/general/interpn.m, scripts/general/isa.m, scripts/general/profexplore.m, scripts/general/profile.m, scripts/general/quadgk.m, scripts/general/randi.m, scripts/general/structfun.m, scripts/general/subsindex.m, scripts/general/triplequad.m, scripts/geometry/griddata.m, scripts/geometry/griddata3.m, scripts/geometry/griddatan.m, scripts/geometry/voronoi.m, scripts/help/help.m, scripts/help/lookfor.m, scripts/image/cmpermute.m, scripts/image/colormap.m, scripts/image/image.m, scripts/image/imagesc.m, scripts/image/imfinfo.m, scripts/image/imformats.m, scripts/image/imread.m, scripts/image/imshow.m, scripts/image/imwrite.m, scripts/image/ind2gray.m, scripts/image/lines.m, scripts/image/rgb2ind.m, scripts/image/spinmap.m, scripts/io/dlmwrite.m, scripts/io/strread.m, scripts/io/textread.m, scripts/io/textscan.m, scripts/java/javaclasspath.m, scripts/java/usejava.m, scripts/miscellaneous/bzip2.m, scripts/miscellaneous/computer.m, scripts/miscellaneous/copyfile.m, scripts/miscellaneous/debug.m, scripts/miscellaneous/dos.m, scripts/miscellaneous/edit.m, scripts/miscellaneous/gzip.m, scripts/miscellaneous/license.m, scripts/miscellaneous/mkoctfile.m, scripts/miscellaneous/movefile.m, scripts/miscellaneous/parseparams.m, scripts/miscellaneous/unix.m, scripts/optimization/fminbnd.m, scripts/optimization/fminsearch.m, scripts/optimization/fminunc.m, scripts/optimization/fsolve.m, scripts/optimization/fzero.m, scripts/optimization/glpk.m, scripts/optimization/lsqnonneg.m, scripts/optimization/optimset.m, scripts/optimization/pqpnonneg.m, scripts/pkg/pkg.m, scripts/plot/allchild.m, scripts/plot/ancestor.m, scripts/plot/area.m, scripts/plot/axis.m, scripts/plot/bar.m, scripts/plot/barh.m, scripts/plot/box.m, scripts/plot/caxis.m, scripts/plot/cla.m, scripts/plot/clabel.m, scripts/plot/clf.m, scripts/plot/close.m, scripts/plot/colorbar.m, scripts/plot/daspect.m, scripts/plot/ezmesh.m, scripts/plot/ezmeshc.m, scripts/plot/ezsurf.m, scripts/plot/ezsurfc.m, scripts/plot/findall.m, scripts/plot/findobj.m, scripts/plot/gcbo.m, scripts/plot/gcf.m, scripts/plot/gco.m, scripts/plot/grid.m, scripts/plot/guihandles.m, scripts/plot/hdl2struct.m, scripts/plot/hidden.m, scripts/plot/hold.m, scripts/plot/isonormals.m, scripts/plot/isosurface.m, scripts/plot/legend.m, scripts/plot/mesh.m, scripts/plot/meshc.m, scripts/plot/meshz.m, scripts/plot/newplot.m, scripts/plot/orient.m, scripts/plot/pareto.m, scripts/plot/patch.m, scripts/plot/pbaspect.m, scripts/plot/pcolor.m, scripts/plot/plot.m, scripts/plot/print.m, scripts/plot/private/__add_default_menu__.m, scripts/plot/quiver.m, scripts/plot/quiver3.m, scripts/plot/refreshdata.m, scripts/plot/saveas.m, scripts/plot/scatter.m, scripts/plot/scatter3.m, scripts/plot/shading.m, scripts/plot/shrinkfaces.m, scripts/plot/slice.m, scripts/plot/stem.m, scripts/plot/stem3.m, scripts/plot/struct2hdl.m, scripts/plot/subplot.m, scripts/plot/surf.m, scripts/plot/surfc.m, scripts/plot/surfl.m, scripts/plot/tetramesh.m, scripts/plot/uigetfile.m, scripts/plot/uimenu.m, scripts/plot/uiputfile.m, scripts/plot/waterfall.m, scripts/plot/whitebg.m, scripts/plot/xlim.m, scripts/plot/ylim.m, scripts/plot/zlim.m, scripts/polynomial/conv.m, scripts/polynomial/polyout.m, scripts/polynomial/splinefit.m, scripts/set/ismember.m, scripts/set/powerset.m, scripts/set/setdiff.m, scripts/set/union.m, scripts/set/unique.m, scripts/signal/detrend.m, scripts/signal/filter2.m, scripts/signal/freqz.m, scripts/signal/periodogram.m, scripts/signal/spectral_adf.m, scripts/signal/spectral_xdf.m, scripts/sparse/eigs.m, scripts/sparse/svds.m, scripts/specfun/legendre.m, scripts/special-matrix/gallery.m, scripts/statistics/base/mean.m, scripts/statistics/base/moment.m, scripts/statistics/tests/cor_test.m, scripts/statistics/tests/kolmogorov_smirnov_test.m, scripts/statistics/tests/kolmogorov_smirnov_test_2.m, scripts/statistics/tests/kruskal_wallis_test.m, scripts/statistics/tests/prop_test_2.m, scripts/statistics/tests/sign_test.m, scripts/statistics/tests/t_test.m, scripts/statistics/tests/t_test_2.m, scripts/statistics/tests/t_test_regression.m, scripts/statistics/tests/u_test.m, scripts/statistics/tests/var_test.m, scripts/statistics/tests/welch_test.m, scripts/statistics/tests/wilcoxon_test.m, scripts/statistics/tests/z_test.m, scripts/statistics/tests/z_test_2.m, scripts/strings/base2dec.m, scripts/strings/index.m, scripts/strings/isstrprop.m, scripts/strings/mat2str.m, scripts/strings/regexptranslate.m, scripts/strings/rindex.m, scripts/strings/str2num.m, scripts/strings/strcat.m, scripts/strings/strjust.m, scripts/strings/strmatch.m, scripts/strings/validatestring.m, scripts/testfun/demo.m, scripts/testfun/example.m, scripts/testfun/test.m, scripts/time/addtodate.m, scripts/time/asctime.m, scripts/time/datestr.m, scripts/time/datetick.m, scripts/time/weekday.m, scripts/ui/errordlg.m, scripts/ui/helpdlg.m, scripts/ui/inputdlg.m, scripts/ui/listdlg.m, scripts/ui/msgbox.m, scripts/ui/questdlg.m, scripts/ui/warndlg.m: Use new @qcode macro.

author	Rik <rik@octave.org>
date	Mon, 19 Aug 2013 20:46:38 -0700
parents	1c21f264d26f
children	d63878346099

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
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 13915 diff changeset	3 Copyright (C) 1996-2012 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"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	37 #include "oct-obj.h"
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,
3548 ab7fa5a8f23f [project @ 2000-02-03 01:17:15 by jwe] jwe parents: 3372 diff changeset	65 "-- texinfo --\n\
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	66 @deftypefn {Built-in Function} {[@var{L}, @var{U}] =} lu (@var{A})\n\
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	67 @deftypefnx {Built-in Function} {[@var{L}, @var{U}, @var{P}] =} lu (@var{A})\n\
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	68 @deftypefnx {Built-in Function} {[@var{L}, @var{U}, @var{P}, @var{Q}] =} lu (@var{S})\n\
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	69 @deftypefnx {Built-in Function} {[@var{L}, @var{U}, @var{P}, @var{Q}, @var{R}] =} lu (@var{S})\n\
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	70 @deftypefnx {Built-in Function} {[@dots{}] =} lu (@var{S}, @var{thres})\n\
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	71 @deftypefnx {Built-in Function} {@var{y} =} lu (@dots{})\n\
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	72 @deftypefnx {Built-in Function} {[@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\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	74 Compute the LU@tie{}decomposition of @var{A}. If @var{A} is full\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	75 subroutines from\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	76 @sc{lapack} are used and if @var{A} is sparse then @sc{umfpack} is used. The\n\
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	77 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	78 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	79 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	80 @example\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	81 [l, u, p] = lu (@var{a})\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	82 @end example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	83 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	84 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	85 returns\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	86 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	87 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8969 diff changeset	88 @group\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	89 l =\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	90 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	91 1.00000 0.00000\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	92 0.33333 1.00000\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	93 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	94 u =\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 3.00000 4.00000\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	97 0.00000 0.66667\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	98 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	99 p =\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 0 1\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	102 1 0\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8969 diff changeset	103 @end group\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	104 @end example\n\
4329 d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 3587 diff changeset	105 \n\
5457 c6dc1ccd83a9 [project @ 2005-09-19 19:23:35 by jwe] jwe parents: 5307 diff changeset	106 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	107 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	108 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	109 @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	110 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	111 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	112 @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	113 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	114 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	115 @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	116 such that\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	117 @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	118 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	119 \n\
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	120 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	121 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	122 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	123 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	124 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	125 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	126 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	127 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17268 diff changeset	128 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	129 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	130 @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	131 * @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	132 \n\
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	133 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	134 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	135 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	136 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	137 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	138 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	139 information.\n\
16920 53eaa83e4181 doc: Add seealso links between various factorization forms. Rik <rik@octave.org> parents: 15195 diff changeset	140 @seealso{luupdate, chol, hess, qr, qz, schur, svd}\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	141 @end deftypefn")
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	142 {
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	143 octave_value_list retval;
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	144 int nargin = args.length ();
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	145 bool issparse = (nargin > 0 && args(0).is_sparse_type ());
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	146 bool scale = (nargout == 5);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	147
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	148 if (nargin < 1 \|\| (issparse && (nargin > 3 \|\| nargout > 5))
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	149 \|\| (!issparse && (nargin > 2 \|\| nargout > 3)))
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	150 {
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5457 diff changeset	151 print_usage ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	152 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	153 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	154
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	155 bool vecout = false;
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	156 Matrix thres;
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	157
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	158 int n = 1;
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	159 while (n < nargin && ! error_state)
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	160 {
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	161 if (args (n).is_string ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	162 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	163 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	164
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	165 if (! error_state )
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	166 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	167 if (tmp.compare ("vector") == 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	168 vecout = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	169 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	170 error ("lu: unrecognized string argument");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	171 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	172 }
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	173 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	174 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	175 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	176
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	177 if (! error_state )
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	178 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	179 if (!issparse)
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	180 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	181 else if (tmp.nelem () == 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	182 {
14854 5ae9f0f77635 maint: Use Octave coding conventions for coddling parenthis is DLD-FUNCTIONS directory Rik <octave@nomad.inbox5.com> parents: 14844 diff changeset	183 thres.resize (1,2);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	184 thres(0) = tmp(0);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	185 thres(1) = tmp(0);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	186 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	187 else if (tmp.nelem () == 2)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	188 thres = tmp;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	189 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	190 error ("lu: expecting 2-element vector for THRES");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	191 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	192 }
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	193 }
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	194
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	195 octave_value arg = args(0);
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	196
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 4329 diff changeset	197 octave_idx_type nr = arg.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 4329 diff changeset	198 octave_idx_type nc = arg.columns ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	199
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	200 int arg_is_empty = empty_arg ("lu", nr, nc);
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	201
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	202 if (issparse)
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	203 {
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	204 if (arg_is_empty < 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	205 return retval;
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	206 else if (arg_is_empty > 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	207 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	208
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	209 ColumnVector Qinit;
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	210 if (nargout < 4)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	211 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	212 Qinit.resize (nc);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	213 for (octave_idx_type i = 0; i < nc; i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	214 Qinit (i) = i;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	215 }
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	216
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	217 if (arg.is_real_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	218 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	219 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	220
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	221 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	222 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	223 case 0:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	224 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	225 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	226 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	227 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	228
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	229 if (nargout < 2)
14844 5bc9b9cb4362 maint: Use Octave coding conventions for cuddled parenthesis in retval assignments. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	230 retval(0) = fact.Y ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	231 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	232 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	233 PermMatrix P = fact.Pr_mat ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	234 SparseMatrix L = P.transpose () * fact.L ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	235 retval(1) = octave_value (fact.U (),
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	236 MatrixType (MatrixType::Upper));
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	237
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	238 retval(0) = octave_value (L,
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	239 MatrixType (MatrixType::Permuted_Lower,
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	240 nr, fact.row_perm ()));
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	241 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	242 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	243 break;
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	244
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	245 case 3:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	246 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	247 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	248
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	249 if (vecout)
14844 5bc9b9cb4362 maint: Use Octave coding conventions for cuddled parenthesis in retval assignments. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	250 retval(2) = fact.Pr_vec ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	251 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	252 retval(2) = fact.Pr_mat ();
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	253
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	254 retval(1) = octave_value (fact.U (),
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	255 MatrixType (MatrixType::Upper));
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	256 retval(0) = octave_value (fact.L (),
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	257 MatrixType (MatrixType::Lower));
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	258 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	259 break;
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	260
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	261 case 4:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	262 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	263 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	264 SparseLU fact (m, thres, scale);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	265
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	266 if (scale)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	267 retval(4) = fact.R ();
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	268
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	269 if (vecout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	270 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	271 retval(3) = fact.Pc_vec ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	272 retval(2) = fact.Pr_vec ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	273 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	274 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	275 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	276 retval(3) = fact.Pc_mat ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	277 retval(2) = fact.Pr_mat ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	278 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	279 retval(1) = octave_value (fact.U (),
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	280 MatrixType (MatrixType::Upper));
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	281 retval(0) = octave_value (fact.L (),
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	282 MatrixType (MatrixType::Lower));
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	283 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	284 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	285 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	286 }
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	287 else if (arg.is_complex_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	288 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	289 SparseComplexMatrix m = arg.sparse_complex_matrix_value ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	290
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	291 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	292 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	293 case 0:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	294 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	295 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	296 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	297 SparseComplexLU 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	298
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	299 if (nargout < 2)
14844 5bc9b9cb4362 maint: Use Octave coding conventions for cuddled parenthesis in retval assignments. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	300 retval(0) = fact.Y ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	301 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	302 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	303 PermMatrix P = fact.Pr_mat ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	304 SparseComplexMatrix L = P.transpose () * fact.L ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	305 retval(1) = octave_value (fact.U (),
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	306 MatrixType (MatrixType::Upper));
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	307
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	308 retval(0) = octave_value (L,
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	309 MatrixType (MatrixType::Permuted_Lower,
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	310 nr, fact.row_perm ()));
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	311 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	312 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	313 break;
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	314
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	315 case 3:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	316 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	317 SparseComplexLU 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	318
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	319 if (vecout)
14844 5bc9b9cb4362 maint: Use Octave coding conventions for cuddled parenthesis in retval assignments. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	320 retval(2) = fact.Pr_vec ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	321 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	322 retval(2) = fact.Pr_mat ();
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	323
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	324 retval(1) = octave_value (fact.U (),
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	325 MatrixType (MatrixType::Upper));
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	326 retval(0) = octave_value (fact.L (),
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	327 MatrixType (MatrixType::Lower));
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	328 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	329 break;
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	330
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	331 case 4:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	332 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	333 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	334 SparseComplexLU fact (m, thres, scale);
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	335
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	336 if (scale)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	337 retval(4) = fact.R ();
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	338
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	339 if (vecout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	340 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	341 retval(3) = fact.Pc_vec ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	342 retval(2) = fact.Pr_vec ();
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 else
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 retval(3) = fact.Pc_mat ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	347 retval(2) = fact.Pr_mat ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	348 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	349 retval(1) = octave_value (fact.U (),
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	350 MatrixType (MatrixType::Upper));
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	351 retval(0) = octave_value (fact.L (),
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	352 MatrixType (MatrixType::Lower));
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	353 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	354 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	355 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	356 }
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	357 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	358 gripe_wrong_type_arg ("lu", arg);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	359 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	360 else
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	361 {
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	362 if (arg_is_empty < 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	363 return retval;
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	364 else if (arg_is_empty > 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	365 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	366
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	367 if (arg.is_real_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	368 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	369 if (arg.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	370 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	371 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	372
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	373 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	374 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	375 FloatLU fact (m);
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	376
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	377 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	378 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	379 case 0:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	380 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	381 retval(0) = fact.Y ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	382 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7515 diff changeset	383
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	384 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	385 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	386 PermMatrix P = fact.P ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	387 FloatMatrix L = P.transpose () * fact.L ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	388 retval(1) = get_lu_u (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	389 retval(0) = L;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	390 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	391 break;
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	392
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	393 case 3:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	394 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	395 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	396 if (vecout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	397 retval(2) = fact.P_vec ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	398 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	399 retval(2) = fact.P ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	400 retval(1) = get_lu_u (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	401 retval(0) = get_lu_l (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	402 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	403 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	404 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	405 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	406 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	407 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	408 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	409 Matrix m = arg.matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7515 diff changeset	410
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	411 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	412 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	413 LU fact (m);
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	414
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	415 switch (nargout)
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 case 0:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	418 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	419 retval(0) = fact.Y ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	420 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7515 diff changeset	421
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	422 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	423 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	424 PermMatrix P = fact.P ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	425 Matrix L = P.transpose () * fact.L ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	426 retval(1) = get_lu_u (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	427 retval(0) = L;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	428 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	429 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7515 diff changeset	430
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	431 case 3:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	432 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	433 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	434 if (vecout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	435 retval(2) = fact.P_vec ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	436 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	437 retval(2) = fact.P ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	438 retval(1) = get_lu_u (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	439 retval(0) = get_lu_l (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	440 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	441 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	442 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	443 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	444 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	445 }
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	446 else if (arg.is_complex_type ())
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 if (arg.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	449 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	450 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	451
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	452 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	453 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	454 FloatComplexLU fact (m);
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	455
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	456 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	457 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	458 case 0:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	459 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	460 retval(0) = fact.Y ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	461 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7515 diff changeset	462
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	463 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	464 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	465 PermMatrix P = fact.P ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	466 FloatComplexMatrix L = P.transpose () * fact.L ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	467 retval(1) = get_lu_u (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	468 retval(0) = L;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	469 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	470 break;
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	471
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	472 case 3:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	473 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	474 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	475 if (vecout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	476 retval(2) = fact.P_vec ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	477 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	478 retval(2) = fact.P ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	479 retval(1) = get_lu_u (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	480 retval(0) = get_lu_l (fact);
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 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	483 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	484 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	485 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	486 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	487 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	488 ComplexMatrix m = arg.complex_matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7515 diff changeset	489
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	490 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	491 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	492 ComplexLU fact (m);
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	493
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	494 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	495 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	496 case 0:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	497 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	498 retval(0) = fact.Y ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	499 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7515 diff changeset	500
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	501 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	502 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	503 PermMatrix P = fact.P ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	504 ComplexMatrix L = P.transpose () * fact.L ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	505 retval(1) = get_lu_u (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	506 retval(0) = L;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	507 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	508 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7515 diff changeset	509
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	510 case 3:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	511 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	512 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	513 if (vecout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	514 retval(2) = fact.P_vec ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	515 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	516 retval(2) = fact.P ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	517 retval(1) = get_lu_u (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	518 retval(0) = get_lu_l (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	519 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	520 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	521 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	522 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	523 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	524 }
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	525 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	526 gripe_wrong_type_arg ("lu", arg);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	527 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	528
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	529 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	530 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	531
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	532 /*
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	533 %!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	534
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	535 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	536 %! [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	537 %! 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	538 %! 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	539
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	540 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	541 %! [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	542 %! 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	543 %! 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	544 %! 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	545
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	546 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	547 %! [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	548 %! 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	549 %! 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	550 %! 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	551
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	552 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	553 %! [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	554 %! 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	555 %! 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	556 %! 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	557
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	558 %!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	559
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	560 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	561 %! [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	562 %! 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	563 %! 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	564
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	565 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	566 %! [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	567 %! 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	568 %! 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	569 %! 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	570
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	571 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	572 %! [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	573 %! 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	574 %! 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	575 %! 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	576
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	577 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	578 %! [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	579 %! 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	580 %! 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	581 %! 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	582
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	583 %!error lu ()
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	584 %!error <can not define pivoting threshold> lu ([1, 2; 3, 4], 2)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	585 */
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	586
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	587 static
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	588 bool check_lu_dims (const octave_value& l, const octave_value& u,
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	589 const octave_value& p)
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	590 {
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	591 octave_idx_type m = l.rows (), k = u.rows (), n = u.columns ();
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	592 return ((l.ndims () == 2 && u.ndims () == 2 && k == l.columns ())
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	593 && k == std::min (m, n) &&
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	594 (p.is_undefined () \|\| p.rows () == m));
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	595 }
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	596
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	597 DEFUN (luupdate, args, ,
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	598 "-- texinfo --\n\
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	599 @deftypefn {Built-in Function} {[@var{L}, @var{U}] =} luupdate (@var{L}, @var{U}, @var{x}, @var{y})\n\
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	600 @deftypefnx {Built-in Function} {[@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	601 Given an LU@tie{}factorization of a real or complex matrix\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	602 @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	603 @var{U}@tie{}upper trapezoidal, return the LU@tie{}factorization\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	604 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	605 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	606 (rank-k update).\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	607 Optionally, row-pivoted updating can be used by supplying\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	608 a row permutation (pivoting) matrix @var{P};\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	609 in that case, an updated permutation matrix is returned.\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	610 Note that if @var{L}, @var{U}, @var{P} is a pivoted LU@tie{}factorization\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	611 as obtained by @code{lu}:\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	612 \n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	613 @example\n\
14360 97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	614 [@var{L}, @var{U}, @var{P}] = lu (@var{A});\n\
9709 f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	615 @end example\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	616 \n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	617 @noindent\n\
17268 1c21f264d26f doc: Rename @xcode macro to @tcode (transpose code) for clarity. Rik <rik@octave.org> parents: 16920 diff changeset	618 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	619 either as\n\
9709 f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	620 \n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	621 @example\n\
14360 97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	622 [@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	623 @end example\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	624 \n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	625 @noindent\n\
9709 f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	626 or\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	627 \n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	628 @example\n\
14360 97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	629 [@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	630 @end example\n\
f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	631 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	632 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	633 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	634 stable.\n\
9709 f8e2e9fdaa8f document luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9708 diff changeset	635 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	636 The matrix case is done as a sequence of rank-1 updates;\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	637 thus, for large enough k, it will be both faster and more accurate to\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	638 recompute the factorization from scratch.\n\
16920 53eaa83e4181 doc: Add seealso links between various factorization forms. Rik <rik@octave.org> parents: 15195 diff changeset	639 @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	640 @end deftypefn")
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	641 {
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	642 octave_idx_type nargin = args.length ();
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	643 octave_value_list retval;
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	644
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	645 bool pivoted = nargin == 5;
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	646
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	647 if (nargin != 4 && nargin != 5)
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	648 {
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	649 print_usage ();
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	650 return retval;
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	651 }
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	652
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	653 octave_value argl = args(0);
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	654 octave_value argu = args(1);
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	655 octave_value argp = pivoted ? args(2) : octave_value ();
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	656 octave_value argx = args(2 + pivoted);
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	657 octave_value argy = args(3 + pivoted);
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	658
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	659 if (argl.is_numeric_type () && argu.is_numeric_type ()
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	660 && argx.is_numeric_type () && argy.is_numeric_type ()
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	661 && (! pivoted \|\| argp.is_perm_matrix ()))
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	662 {
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	663 if (check_lu_dims (argl, argu, argp))
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	664 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	665 PermMatrix P = (pivoted
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	666 ? argp.perm_matrix_value ()
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	667 : PermMatrix::eye (argl.rows ()));
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	668
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	669 if (argl.is_real_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	670 && argu.is_real_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	671 && argx.is_real_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	672 && argy.is_real_type ())
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	673 {
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	674 // all real case
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	675 if (argl.is_single_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	676 \|\| argu.is_single_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	677 \|\| argx.is_single_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	678 \|\| argy.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	679 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	680 FloatMatrix L = argl.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	681 FloatMatrix U = argu.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	682 FloatMatrix x = argx.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	683 FloatMatrix y = argy.float_matrix_value ();
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	684
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	685 FloatLU fact (L, U, P);
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	686 if (pivoted)
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	687 fact.update_piv (x, y);
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	688 else
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	689 fact.update (x, y);
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	690
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	691 if (pivoted)
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	692 retval(2) = fact.P ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	693 retval(1) = get_lu_u (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	694 retval(0) = get_lu_l (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	695 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	696 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	697 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	698 Matrix L = argl.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	699 Matrix U = argu.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	700 Matrix x = argx.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	701 Matrix y = argy.matrix_value ();
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	702
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	703 LU fact (L, U, P);
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	704 if (pivoted)
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	705 fact.update_piv (x, y);
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	706 else
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	707 fact.update (x, y);
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	708
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	709 if (pivoted)
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	710 retval(2) = fact.P ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	711 retval(1) = get_lu_u (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	712 retval(0) = get_lu_l (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	713 }
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	714 }
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	715 else
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	716 {
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	717 // complex case
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	718 if (argl.is_single_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	719 \|\| argu.is_single_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	720 \|\| argx.is_single_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	721 \|\| argy.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	722 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	723 FloatComplexMatrix L = argl.float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	724 FloatComplexMatrix U = argu.float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	725 FloatComplexMatrix x = argx.float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	726 FloatComplexMatrix y = argy.float_complex_matrix_value ();
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	727
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	728 FloatComplexLU fact (L, U, P);
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	729 if (pivoted)
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	730 fact.update_piv (x, y);
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	731 else
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	732 fact.update (x, y);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	733
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	734 if (pivoted)
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	735 retval(2) = fact.P ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	736 retval(1) = get_lu_u (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	737 retval(0) = get_lu_l (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	738 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	739 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	740 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	741 ComplexMatrix L = argl.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	742 ComplexMatrix U = argu.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	743 ComplexMatrix x = argx.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	744 ComplexMatrix y = argy.complex_matrix_value ();
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	745
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	746 ComplexLU fact (L, U, P);
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	747 if (pivoted)
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	748 fact.update_piv (x, y);
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	749 else
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	750 fact.update (x, y);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	751
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	752 if (pivoted)
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	753 retval(2) = fact.P ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	754 retval(1) = get_lu_u (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	755 retval(0) = get_lu_l (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10094 diff changeset	756 }
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	757 }
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	758 }
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	759 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	760 error ("luupdate: dimension mismatch");
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	761 }
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	762 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	763 error ("luupdate: L, U, X, and Y must be numeric");
9708 6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	764
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	765 return retval;
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	766 }
6f3ffe11d926 implement luupdate Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	767
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	768 /*
10080 cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	769 %!shared A, u, v, Ac, uc, vc
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	770 %! A = [0.091364 0.613038 0.999083;
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	771 %! 0.594638 0.425302 0.603537;
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	772 %! 0.383594 0.291238 0.085574;
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	773 %! 0.265712 0.268003 0.238409;
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	774 %! 0.669966 0.743851 0.445057 ];
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	775 %!
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	776 %! u = [0.85082;
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	777 %! 0.76426;
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	778 %! 0.42883;
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	779 %! 0.53010;
10080 cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	780 %! 0.80683 ];
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	781 %!
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	782 %! v = [0.98810;
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	783 %! 0.24295;
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	784 %! 0.43167 ];
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	785 %!
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	786 %! 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	787 %! 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	788 %! 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	789 %! 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	790 %! 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	791 %!
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	792 %! 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	793 %! 0.13141 + 0.43708i;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	794 %! 0.29808 + 0.08789i;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	795 %! 0.69821 + 0.38844i;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	796 %! 0.74871 + 0.25821i ];
10080 cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	797 %!
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	798 %! 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	799 %! 0.20820 + 0.93090i;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14361 diff changeset	800 %! 0.86184 + 0.34689i ];
10080 cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	801 %!
cf70ee43077c add tests for LU updating Jaroslav Hajek <highegg@gmail.com> parents: 9724 diff changeset	802
10094 ab1101011a6d lu.cc: avoid test failures if HAVE_QRUPDATE_LUU is not defined John W. Eaton <jwe@octave.org> parents: 10080 diff changeset	803 %!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	804 %! [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	805 %! [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	806 %! 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	807 %! 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	808 %! 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	809 %!
10094 ab1101011a6d lu.cc: avoid test failures if HAVE_QRUPDATE_LUU is not defined John W. Eaton <jwe@octave.org> parents: 10080 diff changeset	810 %!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	811 %! [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	812 %! [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	813 %! 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	814 %! 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	815 %! 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	816
10094 ab1101011a6d lu.cc: avoid test failures if HAVE_QRUPDATE_LUU is not defined John W. Eaton <jwe@octave.org> parents: 10080 diff changeset	817 %!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	818 %! [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	819 %! [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	820 %! 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	821 %! 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	822 %! 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	823 %!
10094 ab1101011a6d lu.cc: avoid test failures if HAVE_QRUPDATE_LUU is not defined John W. Eaton <jwe@octave.org> parents: 10080 diff changeset	824 %!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	825 %! [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	826 %! [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	827 %! 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	828 %! 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	829 %! 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	830
10094 ab1101011a6d lu.cc: avoid test failures if HAVE_QRUPDATE_LUU is not defined John W. Eaton <jwe@octave.org> parents: 10080 diff changeset	831 %!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	832 %! [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	833 %! [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	834 %! 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	835 %! 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	836 %! 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	837 %!
10094 ab1101011a6d lu.cc: avoid test failures if HAVE_QRUPDATE_LUU is not defined John W. Eaton <jwe@octave.org> parents: 10080 diff changeset	838 %!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	839 %! [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	840 %! [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	841 %! 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	842 %! 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	843 %! 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	844
10094 ab1101011a6d lu.cc: avoid test failures if HAVE_QRUPDATE_LUU is not defined John W. Eaton <jwe@octave.org> parents: 10080 diff changeset	845 %!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	846 %! [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	847 %! [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	848 %! 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	849 %! 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	850 %! 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	851 %!
10094 ab1101011a6d lu.cc: avoid test failures if HAVE_QRUPDATE_LUU is not defined John W. Eaton <jwe@octave.org> parents: 10080 diff changeset	852 %!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	853 %! [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	854 %! [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	855 %! 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	856 %! 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	857 %! 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	858 */

Mercurial > octave-nkf

annotate libinterp/corefcn/lu.cc @ 17281:bc924baa2c4e