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

annotate libinterp/corefcn/det.cc @ 19627:446c46af4b42 stable

strip trailing whitespace from most source files * Makefile.am, NEWS, build-aux/common.mk, configure.ac, doc/Makefile.am, doc/doxyhtml/Makefile.am, doc/interpreter/Makefile.am, doc/interpreter/arith.txi, doc/interpreter/audio.txi, doc/interpreter/basics.txi, doc/interpreter/bugs.txi, doc/interpreter/container.txi, doc/interpreter/cp-idx.txi, doc/interpreter/data.txi, doc/interpreter/debug.txi, doc/interpreter/diagperm.txi, doc/interpreter/diffeq.txi, doc/interpreter/doccheck/README, doc/interpreter/doccheck/spellcheck, doc/interpreter/emacs.txi, doc/interpreter/errors.txi, doc/interpreter/eval.txi, doc/interpreter/expr.txi, doc/interpreter/external.txi, doc/interpreter/fn-idx.txi, doc/interpreter/func.txi, doc/interpreter/geometry.txi, doc/interpreter/geometryimages.m, doc/interpreter/gpl.txi, doc/interpreter/grammar.txi, doc/interpreter/gui.txi, doc/interpreter/image.txi, doc/interpreter/install.txi, doc/interpreter/interp.txi, doc/interpreter/interpimages.m, 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examples/standalonebuiltin.cc, libgui/Makefile.am, libgui/qterminal/libqterminal/README, libgui/qterminal/libqterminal/unix/BlockArray.cpp, libgui/qterminal/libqterminal/unix/BlockArray.h, libgui/qterminal/libqterminal/unix/Character.h, libgui/qterminal/libqterminal/unix/CharacterColor.h, libgui/qterminal/libqterminal/unix/Emulation.cpp, libgui/qterminal/libqterminal/unix/Emulation.h, libgui/qterminal/libqterminal/unix/Filter.cpp, libgui/qterminal/libqterminal/unix/Filter.h, libgui/qterminal/libqterminal/unix/History.cpp, libgui/qterminal/libqterminal/unix/History.h, libgui/qterminal/libqterminal/unix/KeyboardTranslator.cpp, libgui/qterminal/libqterminal/unix/KeyboardTranslator.h, libgui/qterminal/libqterminal/unix/LineFont.h, libgui/qterminal/libqterminal/unix/QUnixTerminalImpl.cpp, libgui/qterminal/libqterminal/unix/QUnixTerminalImpl.h, libgui/qterminal/libqterminal/unix/Screen.cpp, libgui/qterminal/libqterminal/unix/Screen.h, libgui/qterminal/libqterminal/unix/ScreenWindow.cpp, libgui/qterminal/libqterminal/unix/ScreenWindow.h, libgui/qterminal/libqterminal/unix/TerminalCharacterDecoder.cpp, libgui/qterminal/libqterminal/unix/TerminalCharacterDecoder.h, libgui/qterminal/libqterminal/unix/Vt102Emulation.h, libgui/qterminal/libqterminal/win32/QWinTerminalImpl.cpp, libgui/qterminal/qterminal/main.cpp, libgui/src/m-editor/file-editor-tab.cc, libgui/src/octave-gui.cc, libgui/src/octave-qt-link.cc, libinterp/corefcn/data.cc, libinterp/corefcn/defun-int.h, libinterp/corefcn/det.cc, libinterp/corefcn/gl2ps-renderer.cc, libinterp/corefcn/graphics.cc, libinterp/corefcn/graphics.in.h, libinterp/corefcn/ls-mat5.cc, libinterp/corefcn/lu.cc, libinterp/corefcn/oct-tex-parser.yy, libinterp/corefcn/oct-tex-symbols.in, libinterp/corefcn/quadcc.cc, libinterp/corefcn/zfstream.cc, libinterp/dldfcn/__eigs__.cc, libinterp/dldfcn/__voronoi__.cc, libinterp/gendoc.pl, libinterp/genprops.awk, libinterp/mk-errno-list, libinterp/mk-pkg-add, libinterp/mkbuiltins, libinterp/mkdefs, libinterp/mkdocs, libinterp/mkops, libinterp/octave-value/ov-java.cc, libinterp/parse-tree/lex.ll, libinterp/parse-tree/oct-parse.in.yy, libinterp/parse-tree/octave.gperf, liboctave/Makefile.am, liboctave/array/Array.cc, liboctave/array/module.mk, liboctave/cruft/daspk/datv.f, liboctave/cruft/daspk/dcnst0.f, liboctave/cruft/daspk/dcnstr.f, liboctave/cruft/daspk/ddasic.f, liboctave/cruft/daspk/ddasid.f, liboctave/cruft/daspk/ddasik.f, liboctave/cruft/daspk/ddaspk.f, liboctave/cruft/daspk/ddstp.f, liboctave/cruft/daspk/ddwnrm.f, liboctave/cruft/daspk/dfnrmd.f, liboctave/cruft/daspk/dfnrmk.f, liboctave/cruft/daspk/dhels.f, liboctave/cruft/daspk/dheqr.f, liboctave/cruft/daspk/dinvwt.f, liboctave/cruft/daspk/dlinsd.f, liboctave/cruft/daspk/dlinsk.f, liboctave/cruft/daspk/dmatd.f, liboctave/cruft/daspk/dnedd.f, liboctave/cruft/daspk/dnedk.f, liboctave/cruft/daspk/dnsd.f, liboctave/cruft/daspk/dnsid.f, liboctave/cruft/daspk/dnsik.f, liboctave/cruft/daspk/dnsk.f, liboctave/cruft/daspk/dorth.f, liboctave/cruft/daspk/dslvd.f, liboctave/cruft/daspk/dslvk.f, liboctave/cruft/daspk/dspigm.f, liboctave/cruft/daspk/dyypnw.f, liboctave/cruft/dasrt/ddasrt.f, liboctave/cruft/dasrt/drchek.f, liboctave/cruft/dassl/ddaslv.f, liboctave/cruft/dassl/ddassl.f, liboctave/cruft/misc/blaswrap.c, liboctave/cruft/misc/module.mk, liboctave/cruft/odepack/cfode.f, liboctave/cruft/odepack/dlsode.f, liboctave/cruft/odepack/ewset.f, liboctave/cruft/odepack/intdy.f, liboctave/cruft/odepack/prepj.f, liboctave/cruft/odepack/sintdy.f, liboctave/cruft/odepack/slsode.f, liboctave/cruft/odepack/solsy.f, liboctave/cruft/odepack/ssolsy.f, liboctave/cruft/odepack/stode.f, liboctave/cruft/odepack/vnorm.f, liboctave/cruft/ranlib/Basegen.doc, liboctave/cruft/ranlib/README, liboctave/cruft/ranlib/genbet.f, liboctave/cruft/ranlib/genexp.f, liboctave/cruft/ranlib/gennch.f, liboctave/cruft/ranlib/gennf.f, liboctave/cruft/ranlib/gennor.f, liboctave/cruft/ranlib/getsd.f, liboctave/cruft/ranlib/initgn.f, 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scripts/plot/util/__gnuplot_drawnow__.m, scripts/plot/util/__plt_get_axis_arg__.m, scripts/plot/util/axes.m, scripts/plot/util/clf.m, scripts/plot/util/copyobj.m, scripts/plot/util/figure.m, scripts/plot/util/gcbo.m, scripts/plot/util/graphics_toolkit.m, scripts/plot/util/hggroup.m, scripts/plot/util/meshgrid.m, scripts/plot/util/newplot.m, scripts/plot/util/print.m, scripts/plot/util/private/__add_default_menu__.m, scripts/plot/util/private/__fltk_print__.m, scripts/plot/util/private/__gnuplot_print__.m, scripts/plot/util/private/__print_parse_opts__.m, scripts/plot/util/refreshdata.m, scripts/plot/util/subplot.m, scripts/polynomial/conv.m, scripts/polynomial/poly.m, scripts/polynomial/polyeig.m, scripts/polynomial/polyfit.m, scripts/polynomial/polyval.m, scripts/polynomial/private/__splinefit__.m, scripts/polynomial/spline.m, scripts/prefs/prefdir.m, scripts/prefs/preferences.m, scripts/prefs/private/prefsfile.m, scripts/prefs/rmpref.m, scripts/signal/freqz.m, 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scripts/statistics/distributions/frnd.m, scripts/statistics/distributions/gamrnd.m, scripts/statistics/distributions/geornd.m, scripts/statistics/distributions/hygernd.m, scripts/statistics/distributions/kolmogorov_smirnov_cdf.m, scripts/statistics/distributions/laplace_cdf.m, scripts/statistics/distributions/laplace_pdf.m, scripts/statistics/distributions/logistic_cdf.m, scripts/statistics/distributions/logistic_pdf.m, scripts/statistics/distributions/lognrnd.m, scripts/statistics/distributions/nbincdf.m, scripts/statistics/distributions/nbininv.m, scripts/statistics/distributions/nbinpdf.m, scripts/statistics/distributions/nbinrnd.m, scripts/statistics/distributions/normrnd.m, scripts/statistics/distributions/poissinv.m, scripts/statistics/distributions/poissrnd.m, scripts/statistics/distributions/tinv.m, scripts/statistics/distributions/trnd.m, scripts/statistics/distributions/unidcdf.m, scripts/statistics/distributions/unidpdf.m, scripts/statistics/distributions/unidrnd.m, scripts/statistics/distributions/unifrnd.m, scripts/statistics/distributions/wblrnd.m, scripts/statistics/models/module.mk, scripts/statistics/tests/kruskal_wallis_test.m, scripts/strings/base2dec.m, scripts/strings/deblank.m, scripts/strings/dec2base.m, scripts/strings/dec2bin.m, scripts/strings/dec2hex.m, scripts/strings/mat2str.m, scripts/strings/ostrsplit.m, scripts/strings/regexptranslate.m, scripts/strings/str2num.m, scripts/strings/strcat.m, scripts/strings/strjoin.m, scripts/strings/strsplit.m, scripts/strings/strtok.m, scripts/strings/strtrim.m, scripts/strings/strtrunc.m, scripts/strings/substr.m, scripts/testfun/__run_test_suite__.m, scripts/testfun/speed.m, scripts/testfun/test.m, scripts/time/asctime.m, scripts/time/datenum.m, scripts/time/datevec.m, scripts/time/weekday.m, src/Makefile.am, test/Makefile.am, test/build-bc-overload-tests.sh, test/build-sparse-tests.sh, test/jit.tst, test/line-continue.tst: Strip trailing whitespace.

author	John W. Eaton <jwe@octave.org>
date	Tue, 20 Jan 2015 08:26:57 -0500
parents	175b392e91fe
children	4197fc428c7d

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
17744 d63878346099 maint: Update copyright notices for release. John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	3 Copyright (C) 1996-2013 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
8335 64cf956a109c templatize & fix DET Jaroslav Hajek <highegg@gmail.com> parents: 7973 diff changeset	27 #include "DET.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	28
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14501 diff changeset	29 #include "defun.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	30 #include "error.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	31 #include "gripes.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	32 #include "oct-obj.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	33 #include "utils.h"
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	34 #include "ops.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	35
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	36 #include "ov-re-mat.h"
e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	37 #include "ov-cx-mat.h"
e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	38 #include "ov-flt-re-mat.h"
e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	39 #include "ov-flt-cx-mat.h"
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	40 #include "ov-re-diag.h"
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	41 #include "ov-cx-diag.h"
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	42 #include "ov-flt-re-diag.h"
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	43 #include "ov-flt-cx-diag.h"
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	44 #include "ov-perm.h"
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	45
e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	46 #define MAYBE_CAST(VAR, CLASS) \
e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	47 const CLASS *VAR = arg.type_id () == CLASS::static_type_id () ? \
e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	48 dynamic_cast<const CLASS *> (&arg.get_rep ()) : 0
e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	49
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14501 diff changeset	50 DEFUN (det, args, nargout,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	51 "-- texinfo --\n\
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14501 diff changeset	52 @deftypefn {Built-in Function} {} det (@var{A})\n\
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14501 diff changeset	53 @deftypefnx {Built-in Function} {[@var{d}, @var{rcond}] =} det (@var{A})\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	54 Compute the determinant of @var{A}.\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	55 \n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	56 Return an estimate of the reciprocal condition number if requested.\n\
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	57 \n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	58 Routines from @sc{lapack} are used for full matrices and code from\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	59 @sc{umfpack} is used for sparse matrices.\n\
a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	60 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	61 The determinant should not be used to check a matrix for singularity.\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	62 For that, use any of the condition number functions: @code{cond},\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	63 @code{condest}, @code{rcond}.\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	64 @seealso{cond, condest, rcond}\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3014 diff changeset	65 @end deftypefn")
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	66 {
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	67 octave_value_list retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	68
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	69 int nargin = args.length ();
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	70
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	71 if (nargin != 1)
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	72 {
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5307 diff changeset	73 print_usage ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	74 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	75 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	76
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	77 octave_value arg = args(0);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	78
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	79 octave_idx_type nr = arg.rows ();
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	80 octave_idx_type nc = arg.columns ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	81
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	82 if (nr == 0 && nc == 0)
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	83 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 3812 diff changeset	84 retval(0) = 1.0;
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	85 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	86 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	87
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	88 int arg_is_empty = empty_arg ("det", nr, nc);
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	89 if (arg_is_empty < 0)
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	90 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	91 if (arg_is_empty > 0)
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 3812 diff changeset	92 return octave_value (Matrix (1, 1, 1.0));
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	93
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	94
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	95 if (nr != nc)
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	96 {
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	97 gripe_square_matrix_required ("det");
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	98 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	99 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	100
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	101 bool isfloat = arg.is_single_type ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7650 diff changeset	102
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	103 if (arg.is_diag_matrix ())
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	104 {
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	105 if (arg.is_complex_type ())
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	106 {
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	107 if (isfloat)
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	108 {
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	109 retval(0) = arg.float_complex_diag_matrix_value ()
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	110 .determinant ().value ();
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	111 if (nargout > 1)
8916 a2878ba31a9e add diag & perm matrix query methods to octave_value Jaroslav Hajek <highegg@gmail.com> parents: 8371 diff changeset	112 retval(1) = arg.float_complex_diag_matrix_value ().rcond ();
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	113 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	114 else
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	115 {
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	116 retval(0) = arg.complex_diag_matrix_value ()
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	117 .determinant ().value ();
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	118 if (nargout > 1)
8916 a2878ba31a9e add diag & perm matrix query methods to octave_value Jaroslav Hajek <highegg@gmail.com> parents: 8371 diff changeset	119 retval(1) = arg.complex_diag_matrix_value ().rcond ();
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	120 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	121 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	122 else
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	123 {
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	124 if (isfloat)
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	125 {
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	126 retval(0) = arg.float_diag_matrix_value ()
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	127 .determinant ().value ();
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	128 if (nargout > 1)
8916 a2878ba31a9e add diag & perm matrix query methods to octave_value Jaroslav Hajek <highegg@gmail.com> parents: 8371 diff changeset	129 retval(1) = arg.float_diag_matrix_value ().rcond ();
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	130 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	131 else
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	132 {
8916 a2878ba31a9e add diag & perm matrix query methods to octave_value Jaroslav Hajek <highegg@gmail.com> parents: 8371 diff changeset	133 retval(0) = arg.diag_matrix_value ().determinant ().value ();
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	134 if (nargout > 1)
8916 a2878ba31a9e add diag & perm matrix query methods to octave_value Jaroslav Hajek <highegg@gmail.com> parents: 8371 diff changeset	135 retval(1) = arg.diag_matrix_value ().rcond ();
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	136 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	137 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	138 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	139 else if (arg.is_perm_matrix ())
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	140 {
8960 93f18f166aba remove float perm matrices Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	141 retval(0) = static_cast<double> (arg.perm_matrix_value ().determinant ());
93f18f166aba remove float perm matrices Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	142 if (nargout > 1)
93f18f166aba remove float perm matrices Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	143 retval(1) = 1.0;
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	144 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	145 else if (arg.is_single_type ())
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	146 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7650 diff changeset	147 if (arg.is_real_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	148 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	149 octave_idx_type info;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	150 float rcond = 0.0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	151 // Always compute rcond, so we can detect numerically
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	152 // singular matrices.
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	153 FloatMatrix m = arg.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	154 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	155 {
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	156 MAYBE_CAST (rep, octave_float_matrix);
e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	157 MatrixType mtype = rep ? rep -> matrix_type () : MatrixType ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	158 FloatDET det = m.determinant (mtype, info, rcond);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	159 retval(1) = rcond;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	160 retval(0) = info == -1 ? static_cast<float>(0.0) : det.value ();
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	161 if (rep) rep->matrix_type (mtype);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	162 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	163 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7650 diff changeset	164 else if (arg.is_complex_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	165 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	166 octave_idx_type info;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	167 float rcond = 0.0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	168 // Always compute rcond, so we can detect numerically
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	169 // singular matrices.
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	170 FloatComplexMatrix m = arg.float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	171 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	172 {
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	173 MAYBE_CAST (rep, octave_float_complex_matrix);
e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	174 MatrixType mtype = rep ? rep -> matrix_type () : MatrixType ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	175 FloatComplexDET det = m.determinant (mtype, info, rcond);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	176 retval(1) = rcond;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	177 retval(0) = info == -1 ? FloatComplex (0.0) : det.value ();
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	178 if (rep) rep->matrix_type (mtype);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	179 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	180 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	181 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	182 else
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7650 diff changeset	183 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7650 diff changeset	184 if (arg.is_real_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	185 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	186 octave_idx_type info;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	187 double rcond = 0.0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	188 // Always compute rcond, so we can detect numerically
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	189 // singular matrices.
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	190 if (arg.is_sparse_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	191 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	192 SparseMatrix m = arg.sparse_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	193 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	194 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	195 DET det = m.determinant (info, rcond);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	196 retval(1) = rcond;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	197 retval(0) = info == -1 ? 0.0 : det.value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	198 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	199 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	200 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	201 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	202 Matrix m = arg.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	203 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	204 {
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	205 MAYBE_CAST (rep, octave_matrix);
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	206 MatrixType mtype = rep ? rep -> matrix_type ()
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	207 : MatrixType ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	208 DET det = m.determinant (mtype, info, rcond);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	209 retval(1) = rcond;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	210 retval(0) = info == -1 ? 0.0 : det.value ();
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	211 if (rep) rep->matrix_type (mtype);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	212 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	213 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	214 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7650 diff changeset	215 else if (arg.is_complex_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	216 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	217 octave_idx_type info;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	218 double rcond = 0.0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	219 // Always compute rcond, so we can detect numerically
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	220 // singular matrices.
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	221 if (arg.is_sparse_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	222 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	223 SparseComplexMatrix m = arg.sparse_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	224 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	225 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	226 ComplexDET det = m.determinant (info, rcond);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	227 retval(1) = rcond;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	228 retval(0) = info == -1 ? Complex (0.0) : det.value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	229 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	230 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	231 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	232 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	233 ComplexMatrix m = arg.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	234 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	235 {
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	236 MAYBE_CAST (rep, octave_complex_matrix);
19627 446c46af4b42 strip trailing whitespace from most source files John W. Eaton <jwe@octave.org> parents: 17787 diff changeset	237 MatrixType mtype = rep ? rep -> matrix_type ()
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	238 : MatrixType ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	239 ComplexDET det = m.determinant (mtype, info, rcond);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	240 retval(1) = rcond;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	241 retval(0) = info == -1 ? Complex (0.0) : det.value ();
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	242 if (rep) rep->matrix_type (mtype);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	243 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	244 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	245 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7650 diff changeset	246 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	247 gripe_wrong_type_arg ("det", arg);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7650 diff changeset	248 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	249 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	250 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	251
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	252 /*
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	253 %!assert (det ([1, 2; 3, 4]), -2, 10*eps)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	254 %!assert (det (single ([1, 2; 3, 4])), single (-2), 10*eps ("single"))
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	255 %!error det ()
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	256 %!error det (1, 2)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	257 %!error <argument must be a square matrix> det ([1, 2; 3, 4; 5, 6])
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	258 */

Mercurial > octave-nkf

annotate libinterp/corefcn/det.cc @ 19627:446c46af4b42 stable