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

annotate libinterp/corefcn/balance.cc @ 17744:d63878346099

maint: Update copyright notices for release.

author	John W. Eaton <jwe@octave.org>
date	Wed, 23 Oct 2013 22:09:27 -0400
parents	bc924baa2c4e
children	175b392e91fe

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: 17281 diff changeset	3 Copyright (C) 1996-2013 John W. Eaton
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 10846 diff changeset	4 Copyright (C) 2008-2009 Jaroslav Hajek
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	5
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	7
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	8 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	9 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5823 diff changeset	10 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5823 diff changeset	11 option) any later version.
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	12
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	13 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	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	15 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	16 for more details.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	17
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	18 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5823 diff changeset	19 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5823 diff changeset	20 <http://www.gnu.org/licenses/>.
2928 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
3911 8389e78e67d4 [project @ 2002-04-28 02:15:38 by jwe] jwe parents: 3887 diff changeset	24 // Author: A. S. Hodel <scotte@eng.auburn.edu>
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	25
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	26 #ifdef HAVE_CONFIG_H
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	27 #include <config.h>
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	28 #endif
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	29
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	30 #include <string>
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	31
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	32 #include "CmplxAEPBAL.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	33 #include "fCmplxAEPBAL.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	34 #include "dbleAEPBAL.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	35 #include "floatAEPBAL.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	36 #include "CmplxGEPBAL.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	37 #include "fCmplxGEPBAL.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	38 #include "dbleGEPBAL.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	39 #include "floatGEPBAL.h"
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 3911 diff changeset	40 #include "quit.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	41
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14846 diff changeset	42 #include "defun.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	43 #include "error.h"
3181 3f6a813eb09e [project @ 1998-09-25 02:50:29 by jwe] jwe parents: 3179 diff changeset	44 #include "f77-fcn.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	45 #include "gripes.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	46 #include "oct-obj.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	47 #include "utils.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	48
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14846 diff changeset	49 DEFUN (balance, args, nargout,
3548 ab7fa5a8f23f [project @ 2000-02-03 01:17:15 by jwe] jwe parents: 3523 diff changeset	50 "-- texinfo --\n\
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14846 diff changeset	51 @deftypefn {Built-in Function} {@var{AA} =} balance (@var{A})\n\
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14846 diff changeset	52 @deftypefnx {Built-in Function} {@var{AA} =} balance (@var{A}, @var{opt})\n\
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14846 diff changeset	53 @deftypefnx {Built-in Function} {[@var{DD}, @var{AA}] =} balance (@var{A}, @var{opt})\n\
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14846 diff changeset	54 @deftypefnx {Built-in Function} {[@var{D}, @var{P}, @var{AA}] =} balance (@var{A}, @var{opt})\n\
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14846 diff changeset	55 @deftypefnx {Built-in Function} {[@var{CC}, @var{DD}, @var{AA}, @var{BB}] =} balance (@var{A}, @var{B}, @var{opt})\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	56 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	57 Compute @code{@var{AA} = @var{DD} \\ @var{A} * @var{DD}} in which @var{AA}\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	58 is a matrix whose row and column norms are roughly equal in magnitude, and\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	59 @code{@var{DD} = @var{P} * @var{D}}, in which @var{P} is a permutation\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	60 matrix and @var{D} is a diagonal matrix of powers of two. This allows the\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	61 equilibration to be computed without round-off. Results of eigenvalue\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	62 calculation are typically improved by balancing first.\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	63 \n\
12642 f96b9b9f141b doc: Periodic grammarcheck and spellcheck of documentation. Rik <octave@nomad.inbox5.com> parents: 12584 diff changeset	64 If two output values are requested, @code{balance} returns\n\
12584 7ef7e20057fa Improve documentation strings in Linear Algebra chapter. Rik <octave@nomad.inbox5.com> parents: 11586 diff changeset	65 the diagonal @var{D} and the permutation @var{P} separately as vectors.\n\
7ef7e20057fa Improve documentation strings in Linear Algebra chapter. Rik <octave@nomad.inbox5.com> parents: 11586 diff changeset	66 In this case, @code{@var{DD} = eye(n)(:,@var{P}) * diag (@var{D})}, where\n\
12642 f96b9b9f141b doc: Periodic grammarcheck and spellcheck of documentation. Rik <octave@nomad.inbox5.com> parents: 12584 diff changeset	67 @math{n} is the matrix size.\n\
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	68 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	69 If four output values are requested, compute @code{@var{AA} =\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	70 @var{CC}@var{A}@var{DD}} and @code{@var{BB} = @var{CC}@var{B}@var{DD}},\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	71 in which @var{AA} and @var{BB} have non-zero elements of approximately the\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	72 same magnitude and @var{CC} and @var{DD} are permuted diagonal matrices as\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	73 in @var{DD} for the algebraic eigenvalue problem.\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	74 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	75 The eigenvalue balancing option @var{opt} may be one of:\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	76 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	77 @table @asis\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 15195 diff changeset	78 @item @qcode{\"noperm\"}, @qcode{\"S\"}\n\
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	79 Scale only; do not permute.\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	80 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 15195 diff changeset	81 @item @qcode{\"noscal\"}, @qcode{\"P\"}\n\
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	82 Permute only; do not scale.\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	83 @end table\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	84 \n\
9209 923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction. Rik <rdrider0-list@yahoo.com> parents: 9064 diff changeset	85 Algebraic eigenvalue balancing uses standard @sc{lapack} routines.\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	86 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	87 Generalized eigenvalue problem balancing uses Ward's algorithm\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	88 (SIAM Journal on Scientific and Statistical Computing, 1981).\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	89 @end deftypefn")
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	90 {
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	91 octave_value_list retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	92
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	93 int nargin = args.length ();
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	94
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	95 if (nargin < 1 \|\| nargin > 3 \|\| nargout < 0 \|\| nargout > 4)
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	96 {
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5307 diff changeset	97 print_usage ();
2928 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
3181 3f6a813eb09e [project @ 1998-09-25 02:50:29 by jwe] jwe parents: 3179 diff changeset	101 // determine if it's AEP or GEP
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	102 bool AEPcase = nargin == 1 \|\| args(1).is_string ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	103
3181 3f6a813eb09e [project @ 1998-09-25 02:50:29 by jwe] jwe parents: 3179 diff changeset	104 // problem dimension
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 4628 diff changeset	105 octave_idx_type nn = args(0).rows ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	106
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	107 if (nn != args(0).columns ())
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	108 {
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	109 gripe_square_matrix_required ("balance");
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	110 return retval;
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	111 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	112
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	113 bool isfloat = args(0).is_single_type () \|\|
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	114 (! AEPcase && args(1).is_single_type ());
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	115
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	116 bool complex_case = (args(0).is_complex_type () \|\|
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	117 (! AEPcase && args(1).is_complex_type ()));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	118
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	119 // Extract argument 1 parameter for both AEP and GEP.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	120 Matrix aa;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	121 ComplexMatrix caa;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	122 FloatMatrix faa;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	123 FloatComplexMatrix fcaa;
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	124
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	125 if (isfloat)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	126 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	127 if (complex_case)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	128 fcaa = args(0).float_complex_matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	129 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	130 faa = args(0).float_matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	131 }
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	132 else
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	133 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	134 if (complex_case)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	135 caa = args(0).complex_matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	136 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	137 aa = args(0).matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	138 }
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	139
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	140 if (error_state)
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	141 return retval;
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 // Treat AEP/GEP cases.
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	144 if (AEPcase)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	145 {
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	146 // Algebraic eigenvalue problem.
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	147 bool noperm = false, noscal = false;
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	148 if (nargin > 1)
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	149 {
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	150 std::string a1s = args(1).string_value ();
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	151 noperm = a1s == "noperm" \|\| a1s == "S";
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	152 noscal = a1s == "noscal" \|\| a1s == "P";
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	153 }
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	154
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	155 // balance the AEP
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	156 if (isfloat)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	157 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	158 if (complex_case)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	159 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	160 FloatComplexAEPBALANCE result (fcaa, noperm, noscal);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	161
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	162 if (nargout == 0 \|\| nargout == 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	163 retval(0) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	164 else if (nargout == 2)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	165 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	166 retval(1) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	167 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	168 }
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	169 else
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	170 {
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	171 retval(2) = result.balanced_matrix ();
14022 de90542b7afc Return retval(1) before retval(0) to avoid re-sizing call on retval. Rik <octave@nomad.inbox5.com> parents: 12642 diff changeset	172 retval(1) = result.permuting_vector ();
9048 867d5d1aed06 swap out args in balance for Mb compat Jaroslav Hajek <highegg@gmail.com>* parents: 8386 diff changeset	173 retval(0) = result.scaling_vector ();
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	174 }
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	175
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	176 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	177 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	178 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	179 FloatAEPBALANCE result (faa, noperm, noscal);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	180
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	181 if (nargout == 0 \|\| nargout == 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	182 retval(0) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	183 else if (nargout == 2)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	184 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	185 retval(1) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	186 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	187 }
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	188 else
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	189 {
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	190 retval(2) = result.balanced_matrix ();
14022 de90542b7afc Return retval(1) before retval(0) to avoid re-sizing call on retval. Rik <octave@nomad.inbox5.com> parents: 12642 diff changeset	191 retval(1) = result.permuting_vector ();
9048 867d5d1aed06 swap out args in balance for Mb compat Jaroslav Hajek <highegg@gmail.com>* parents: 8386 diff changeset	192 retval(0) = result.scaling_vector ();
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	193 }
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	194 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	195 }
3181 3f6a813eb09e [project @ 1998-09-25 02:50:29 by jwe] jwe parents: 3179 diff changeset	196 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	197 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	198 if (complex_case)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	199 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	200 ComplexAEPBALANCE result (caa, noperm, noscal);
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	201
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	202 if (nargout == 0 \|\| nargout == 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	203 retval(0) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	204 else if (nargout == 2)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	205 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	206 retval(1) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	207 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	208 }
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	209 else
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	210 {
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	211 retval(2) = result.balanced_matrix ();
14022 de90542b7afc Return retval(1) before retval(0) to avoid re-sizing call on retval. Rik <octave@nomad.inbox5.com> parents: 12642 diff changeset	212 retval(1) = result.permuting_vector ();
9048 867d5d1aed06 swap out args in balance for Mb compat Jaroslav Hajek <highegg@gmail.com>* parents: 8386 diff changeset	213 retval(0) = result.scaling_vector ();
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	214 }
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	215 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	216 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	217 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	218 AEPBALANCE result (aa, noperm, noscal);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	219
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	220 if (nargout == 0 \|\| nargout == 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	221 retval(0) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	222 else if (nargout == 2)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	223 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	224 retval(1) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	225 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	226 }
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	227 else
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	228 {
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	229 retval(2) = result.balanced_matrix ();
14022 de90542b7afc Return retval(1) before retval(0) to avoid re-sizing call on retval. Rik <octave@nomad.inbox5.com> parents: 12642 diff changeset	230 retval(1) = result.permuting_vector ();
9048 867d5d1aed06 swap out args in balance for Mb compat Jaroslav Hajek <highegg@gmail.com>* parents: 8386 diff changeset	231 retval(0) = result.scaling_vector ();
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	232 }
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	233 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	234 }
3181 3f6a813eb09e [project @ 1998-09-25 02:50:29 by jwe] jwe parents: 3179 diff changeset	235 }
3f6a813eb09e [project @ 1998-09-25 02:50:29 by jwe] jwe parents: 3179 diff changeset	236 else
3f6a813eb09e [project @ 1998-09-25 02:50:29 by jwe] jwe parents: 3179 diff changeset	237 {
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	238 std::string bal_job;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	239 if (nargout == 1)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	240 warning ("balance: used GEP, should have two output arguments");
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	241
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	242 // Generalized eigenvalue problem.
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	243 if (nargin == 2)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	244 bal_job = "B";
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	245 else if (args(2).is_string ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	246 bal_job = args(2).string_value ();
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	247 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	248 {
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	249 error ("balance: OPT argument must be a string");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	250 return retval;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	251 }
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	252
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	253 if ((nn != args(1).columns ()) \|\| (nn != args(1).rows ()))
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	254 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	255 gripe_nonconformant ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	256 return retval;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	257 }
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	258
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	259 Matrix bb;
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	260 ComplexMatrix cbb;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	261 FloatMatrix fbb;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	262 FloatComplexMatrix fcbb;
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	263
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	264 if (isfloat)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	265 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	266 if (complex_case)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	267 fcbb = args(1).float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	268 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	269 fbb = args(1).float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	270 }
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	271 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	272 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	273 if (complex_case)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	274 cbb = args(1).complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	275 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	276 bb = args(1).matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	277 }
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 3911 diff changeset	278
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	279 // balance the GEP
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	280 if (isfloat)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	281 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	282 if (complex_case)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	283 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	284 FloatComplexGEPBALANCE result (fcaa, fcbb, bal_job);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	285
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	286 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	287 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	288 case 4:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	289 retval(3) = result.balanced_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	290 // fall through
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	291 case 3:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	292 retval(2) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	293 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	294 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	295 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	296 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	297 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	298 // fall through
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	299 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	300 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	301 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	302 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	303 error ("balance: invalid number of output arguments");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	304 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	305 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	306 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	307 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	308 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	309 FloatGEPBALANCE result (faa, fbb, bal_job);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	310
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	311 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	312 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	313 case 4:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	314 retval(3) = result.balanced_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	315 // fall through
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	316 case 3:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	317 retval(2) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	318 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	319 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	320 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	321 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	322 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	323 // fall through
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	324 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	325 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	326 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	327 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	328 error ("balance: invalid number of output arguments");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	329 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	330 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	331 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	332 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	333 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	334 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	335 if (complex_case)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	336 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	337 ComplexGEPBALANCE result (caa, cbb, bal_job);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	338
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	339 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	340 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	341 case 4:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	342 retval(3) = result.balanced_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	343 // fall through
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	344 case 3:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	345 retval(2) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	346 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	347 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	348 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	349 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	350 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	351 // fall through
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	352 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	353 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	354 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	355 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	356 error ("balance: invalid number of output arguments");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	357 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	358 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	359 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	360 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	361 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	362 GEPBALANCE result (aa, bb, bal_job);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	363
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	364 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	365 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	366 case 4:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	367 retval(3) = result.balanced_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	368 // fall through
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	369 case 3:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	370 retval(2) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	371 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	372 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	373 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	374 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	375 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	376 // fall through
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	377 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	378 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	379 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	380 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	381 error ("balance: invalid number of output arguments");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	382 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	383 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	384 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	385 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	386 }
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	387
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	388 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	389 }

Mercurial > octave-nkf

annotate libinterp/corefcn/balance.cc @ 17744:d63878346099