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

annotate libinterp/corefcn/det.cc @ 20587:f90c8372b7ba

eliminate many more simple uses of error_state * Cell.cc, __ichol__.cc, __ilu__.cc, balance.cc, bsxfun.cc, colloc.cc, det.cc, dlmread.cc, dynamic-ld.cc, eig.cc, fft.cc, fft2.cc, fftn.cc, gcd.cc, getgrent.cc, getpwent.cc, givens.cc, hess.cc, input.cc, levenshtein.cc, load-path.cc, lookup.cc, ls-mat-ascii.cc, ls-mat4.cc, lsode.cc, lu.cc, max.cc, md5sum.cc, mex.cc, pager.cc, pinv.cc, pr-output.cc, qz.cc, schur.cc, sparse.cc, sqrtm.cc, str2double.cc, strfns.cc, sub2ind.cc, sysdep.cc, time.cc, toplev.cc, tril.cc, tsearch.cc, typecast.cc, __init_gnuplot__.cc, __magick_read__.cc, __osmesa_print__.cc, amd.cc, audiodevinfo.cc, dmperm.cc, fftw.cc, symrcm.cc, ov-base-diag.cc, ov-base-sparse.cc, ov-base.cc, ov-bool-sparse.cc, ov-builtin.cc, ov-complex.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc, ov-fcn-inline.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-lazy-idx.cc, ov-mex-fcn.cc, ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc, op-bm-b.cc, op-bm-bm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-str-m.cc, op-str-s.cc, oct-parse.in.yy, pt-cbinop.cc, pt-colon.cc, pt-decl.cc, pt-exp.cc, pt-id.cc, pt-misc.cc, pt-select.cc, pt-unop.cc: Eliminate simple uses of error_state.

author	John W. Eaton <jwe@octave.org>
date	Mon, 05 Oct 2015 19:29:36 -0400
parents	4f45eaf83908
children

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
19731 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 19627 diff changeset	3 Copyright (C) 1996-2015 John W. Eaton
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	4
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	6
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	8 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5823 diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5823 diff changeset	10 option) any later version.
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	11
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	15 for more details.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	16
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	17 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5823 diff changeset	18 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5823 diff changeset	19 <http://www.gnu.org/licenses/>.
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	20
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	21 */
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	22
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	23 #ifdef HAVE_CONFIG_H
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	24 #include <config.h>
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	25 #endif
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	26
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\
20207 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19772 diff changeset	58 Programming Notes: Routines from @sc{lapack} are used for full matrices and\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19772 diff changeset	59 code from @sc{umfpack} is used for sparse matrices.\n\
10687 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 ();
20587 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	154
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	155 MAYBE_CAST (rep, octave_float_matrix);
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	156 MatrixType mtype = rep ? rep -> matrix_type () : MatrixType ();
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	157 FloatDET det = m.determinant (mtype, info, rcond);
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	158 retval(1) = rcond;
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	159 retval(0) = info == -1 ? 0.0f : det.value ();
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	160 if (rep)
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	161 rep->matrix_type (mtype);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	162 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7650 diff changeset	163 else if (arg.is_complex_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	164 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	165 octave_idx_type info;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	166 float rcond = 0.0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	167 // Always compute rcond, so we can detect numerically
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	168 // singular matrices.
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	169 FloatComplexMatrix m = arg.float_complex_matrix_value ();
20587 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	170
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	171 MAYBE_CAST (rep, octave_float_complex_matrix);
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	172 MatrixType mtype = rep ? rep -> matrix_type () : MatrixType ();
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	173 FloatComplexDET det = m.determinant (mtype, info, rcond);
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	174 retval(1) = rcond;
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	175 retval(0) = info == -1 ? FloatComplex (0.0) : det.value ();
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	176 if (rep)
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	177 rep->matrix_type (mtype);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	178 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	179 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	180 else
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7650 diff changeset	181 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7650 diff changeset	182 if (arg.is_real_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	183 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	184 octave_idx_type info;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	185 double rcond = 0.0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	186 // Always compute rcond, so we can detect numerically
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	187 // singular matrices.
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	188 if (arg.is_sparse_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	189 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	190 SparseMatrix m = arg.sparse_matrix_value ();
20587 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	191
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	192 DET det = m.determinant (info, rcond);
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	193 retval(1) = rcond;
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	194 retval(0) = info == -1 ? 0.0 : det.value ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	195 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	196 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	197 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	198 Matrix m = arg.matrix_value ();
20587 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	199
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	200 MAYBE_CAST (rep, octave_matrix);
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	201 MatrixType mtype = rep ? rep -> matrix_type ()
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	202 : MatrixType ();
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	203 DET det = m.determinant (mtype, info, rcond);
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	204 retval(1) = rcond;
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	205 retval(0) = info == -1 ? 0.0 : det.value ();
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	206 if (rep)
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	207 rep->matrix_type (mtype);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	208 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	209 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7650 diff changeset	210 else if (arg.is_complex_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	211 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	212 octave_idx_type info;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	213 double rcond = 0.0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	214 // Always compute rcond, so we can detect numerically
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	215 // singular matrices.
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	216 if (arg.is_sparse_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	217 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	218 SparseComplexMatrix m = arg.sparse_complex_matrix_value ();
20587 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	219
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	220 ComplexDET det = m.determinant (info, rcond);
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	221 retval(1) = rcond;
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	222 retval(0) = info == -1 ? Complex (0.0) : det.value ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	223 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	224 else
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 ComplexMatrix m = arg.complex_matrix_value ();
20587 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	227
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	228 MAYBE_CAST (rep, octave_complex_matrix);
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	229 MatrixType mtype = rep ? rep -> matrix_type ()
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	230 : MatrixType ();
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	231 ComplexDET det = m.determinant (mtype, info, rcond);
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	232 retval(1) = rcond;
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	233 retval(0) = info == -1 ? Complex (0.0) : det.value ();
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	234 if (rep)
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20207 diff changeset	235 rep->matrix_type (mtype);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	236 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	237 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7650 diff changeset	238 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	239 gripe_wrong_type_arg ("det", arg);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7650 diff changeset	240 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	241 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	242 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	243
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	244 /*
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	245 %!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	246 %!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	247 %!error det ()
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	248 %!error det (1, 2)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	249 %!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	250 */

Mercurial > octave-nkf

annotate libinterp/corefcn/det.cc @ 20587:f90c8372b7ba