octave: src/DLD-FUNCTIONS/balance.cc annotate

annotate src/DLD-FUNCTIONS/balance.cc @ 11523:fd0a3ac60b0e

update copyright notices

author	John W. Eaton <jwe@octave.org>
date	Fri, 14 Jan 2011 05:47:45 -0500
parents	a4f482e66b65
children	01f703952eff

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
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 10846 diff changeset	3 Copyright (C) 1996-2011 John W. Eaton
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
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	42 #include "defun-dld.h"
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
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	49 DEFUN_DLD (balance, args, nargout,
3548 ab7fa5a8f23f [project @ 2000-02-03 01:17:15 by jwe] jwe parents: 3523 diff changeset	50 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10791 diff changeset	51 @deftypefn {Loadable Function} {@var{aa} =} balance (@var{a}, @var{opt})\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	52 @deftypefnx {Loadable Function} {[@var{dd}, @var{aa}] =} balance (@var{a}, @var{opt})\n\
9048 867d5d1aed06 swap out args in balance for Mb compat Jaroslav Hajek <highegg@gmail.com>* parents: 8386 diff changeset	53 @deftypefnx {Loadable Function} {[@var{d}, @var{p}, @var{aa}] =} balance (@var{a}, @var{opt})\n\
3402 9610d364e444 [project @ 2000-01-05 04:36:38 by jwe] jwe parents: 3372 diff changeset	54 @deftypefnx {Loadable 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	55 \n\
7096 81bed50b9feb [project @ 2007-11-02 16:13:43 by jwe] jwe parents: 7017 diff changeset	56 Compute @code{aa = dd \\ a * dd} in which @code{aa} is a matrix whose\n\
81bed50b9feb [project @ 2007-11-02 16:13:43 by jwe] jwe parents: 7017 diff changeset	57 row and column norms are roughly equal in magnitude, and\n\
81bed50b9feb [project @ 2007-11-02 16:13:43 by jwe] jwe parents: 7017 diff changeset	58 @code{dd} = @code{p * d}, in which @code{p} is a permutation\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	59 matrix and @code{d} is a diagonal matrix of powers of two. This allows\n\
10791 3140cb7a05a1 Add spellchecker scripts for Octave and run spellcheck of documentation Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	60 the equilibration to be computed without round-off. Results of\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	61 eigenvalue calculation are typically improved by balancing first.\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	62 \n\
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	63 If two output values are requested, @code{balance} returns \n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9048 diff changeset	64 the diagonal @code{d} and the permutation @code{p} separately as vectors. \n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	65 In this case, @code{dd = eye(n)(:,p) * diag (d)}, where @code{n} is the\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	66 matrix size. \n\
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	67 \n\
7096 81bed50b9feb [project @ 2007-11-02 16:13:43 by jwe] jwe parents: 7017 diff changeset	68 If four output values are requested, compute @code{aa = ccadd} and\n\
81bed50b9feb [project @ 2007-11-02 16:13:43 by jwe] jwe parents: 7017 diff changeset	69 @code{bb = ccbdd)}, in which @code{aa} and @code{bb} have non-zero\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	70 elements of approximately the same magnitude and @code{cc} and @code{dd}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	71 are permuted diagonal matrices as in @code{dd} for the algebraic\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	72 eigenvalue problem.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	73 \n\
7096 81bed50b9feb [project @ 2007-11-02 16:13:43 by jwe] jwe parents: 7017 diff changeset	74 The eigenvalue balancing option @code{opt} may be one of:\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	75 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	76 @table @asis\n\
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	77 @item @code{\"noperm\"}, @code{\"S\"}\n\
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	78 Scale only; do not permute.\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	79 \n\
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	80 @item @code{\"noscal\"}, @code{\"P\"}\n\
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	81 Permute only; do not scale.\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	82 @end table\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	83 \n\
9209 923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction. Rik <rdrider0-list@yahoo.com> parents: 9064 diff changeset	84 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	85 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	86 Generalized eigenvalue problem balancing uses Ward's algorithm\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	87 (SIAM Journal on Scientific and Statistical Computing, 1981).\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3221 diff changeset	88 @end deftypefn")
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	89 {
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	90 octave_value_list retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	91
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	92 int nargin = args.length ();
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	93
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	94 if (nargin < 1 \|\| nargin > 3 \|\| nargout < 0 \|\| nargout > 4)
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	95 {
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5307 diff changeset	96 print_usage ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	97 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	98 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	99
3181 3f6a813eb09e [project @ 1998-09-25 02:50:29 by jwe] jwe parents: 3179 diff changeset	100 // determine if it's AEP or GEP
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	101 bool AEPcase = nargin == 1 \|\| args(1).is_string ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	102
3181 3f6a813eb09e [project @ 1998-09-25 02:50:29 by jwe] jwe parents: 3179 diff changeset	103 // problem dimension
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 4628 diff changeset	104 octave_idx_type nn = args(0).rows ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	105
3181 3f6a813eb09e [project @ 1998-09-25 02:50:29 by jwe] jwe parents: 3179 diff changeset	106 if (nn != args(0).columns())
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	107 {
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	108 gripe_square_matrix_required ("balance");
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	109 return retval;
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	110 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	111
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	112 bool isfloat = args(0).is_single_type () \|\|
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	113 (! AEPcase && args(1).is_single_type());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	114
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	115 bool complex_case = (args(0).is_complex_type () \|\|
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	116 (! AEPcase && args(1).is_complex_type ()));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	117
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	118 // Extract argument 1 parameter for both AEP and GEP.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	119 Matrix aa;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	120 ComplexMatrix caa;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	121 FloatMatrix faa;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	122 FloatComplexMatrix fcaa;
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	123
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	124 if (isfloat)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	125 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	126 if (complex_case)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	127 fcaa = args(0).float_complex_matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	128 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	129 faa = args(0).float_matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	130 }
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	131 else
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	132 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	133 if (complex_case)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	134 caa = args(0).complex_matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	135 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	136 aa = args(0).matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	137 }
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	138
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	139 if (error_state)
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	140 return retval;
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	141
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	142 // Treat AEP/GEP cases.
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	143 if (AEPcase)
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	144 {
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	145 // Algebraic eigenvalue problem.
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	146 bool noperm = false, noscal = false;
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	147 if (nargin > 1)
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	148 {
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	149 std::string a1s = args(1).string_value ();
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	150 noperm = a1s == "noperm" \|\| a1s == "S";
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	151 noscal = a1s == "noscal" \|\| a1s == "P";
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	152 }
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	153
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	154 // balance the AEP
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	155 if (isfloat)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	156 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	157 if (complex_case)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	158 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	159 FloatComplexAEPBALANCE result (fcaa, noperm, noscal);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	160
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	161 if (nargout == 0 \|\| nargout == 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	162 retval(0) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	163 else if (nargout == 2)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	164 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	165 retval(1) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	166 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	167 }
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	168 else
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	169 {
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	170 retval(2) = result.balanced_matrix ();
9048 867d5d1aed06 swap out args in balance for Mb compat Jaroslav Hajek <highegg@gmail.com>* parents: 8386 diff changeset	171 retval(0) = result.scaling_vector ();
867d5d1aed06 swap out args in balance for Mb compat Jaroslav Hajek <highegg@gmail.com>* parents: 8386 diff changeset	172 retval(1) = result.permuting_vector ();
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	173 }
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	174
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	175 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	176 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	177 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	178 FloatAEPBALANCE result (faa, noperm, noscal);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	179
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	180 if (nargout == 0 \|\| nargout == 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	181 retval(0) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	182 else if (nargout == 2)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	183 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	184 retval(1) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	185 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	186 }
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	187 else
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	188 {
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	189 retval(2) = result.balanced_matrix ();
9048 867d5d1aed06 swap out args in balance for Mb compat Jaroslav Hajek <highegg@gmail.com>* parents: 8386 diff changeset	190 retval(0) = result.scaling_vector ();
867d5d1aed06 swap out args in balance for Mb compat Jaroslav Hajek <highegg@gmail.com>* parents: 8386 diff changeset	191 retval(1) = result.permuting_vector ();
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	192 }
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	193 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	194 }
3181 3f6a813eb09e [project @ 1998-09-25 02:50:29 by jwe] jwe parents: 3179 diff changeset	195 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	196 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	197 if (complex_case)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	198 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	199 ComplexAEPBALANCE result (caa, noperm, noscal);
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	200
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	201 if (nargout == 0 \|\| nargout == 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	202 retval(0) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	203 else if (nargout == 2)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	204 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	205 retval(1) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	206 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	207 }
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	208 else
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	209 {
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	210 retval(2) = result.balanced_matrix ();
9048 867d5d1aed06 swap out args in balance for Mb compat Jaroslav Hajek <highegg@gmail.com>* parents: 8386 diff changeset	211 retval(0) = result.scaling_vector ();
867d5d1aed06 swap out args in balance for Mb compat Jaroslav Hajek <highegg@gmail.com>* parents: 8386 diff changeset	212 retval(1) = result.permuting_vector ();
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	213 }
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	214 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	215 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	216 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	217 AEPBALANCE result (aa, noperm, noscal);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	218
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	219 if (nargout == 0 \|\| nargout == 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	220 retval(0) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	221 else if (nargout == 2)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	222 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	223 retval(1) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	224 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	225 }
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	226 else
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	227 {
a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	228 retval(2) = result.balanced_matrix ();
9048 867d5d1aed06 swap out args in balance for Mb compat Jaroslav Hajek <highegg@gmail.com>* parents: 8386 diff changeset	229 retval(0) = result.scaling_vector ();
867d5d1aed06 swap out args in balance for Mb compat Jaroslav Hajek <highegg@gmail.com>* parents: 8386 diff changeset	230 retval(1) = result.permuting_vector ();
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	231 }
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	232 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	233 }
3181 3f6a813eb09e [project @ 1998-09-25 02:50:29 by jwe] jwe parents: 3179 diff changeset	234 }
3f6a813eb09e [project @ 1998-09-25 02:50:29 by jwe] jwe parents: 3179 diff changeset	235 else
3f6a813eb09e [project @ 1998-09-25 02:50:29 by jwe] jwe parents: 3179 diff changeset	236 {
8386 a5e080076778 make balance more Matlab-compatible Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	237 std::string bal_job;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	238 if (nargout == 1)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	239 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	240
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	241 // Generalized eigenvalue problem.
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	242 if (nargin == 2)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	243 bal_job = "B";
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	244 else if (args(2).is_string ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	245 bal_job = args(2).string_value ();
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	246 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	247 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	248 error ("balance: GEP argument 3 must be a string");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	249 return retval;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	250 }
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	251
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	252 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	253 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	254 gripe_nonconformant ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	255 return retval;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	256 }
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	257
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	258 Matrix bb;
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	259 ComplexMatrix cbb;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	260 FloatMatrix fbb;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	261 FloatComplexMatrix fcbb;
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	262
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	263 if (isfloat)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	264 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	265 if (complex_case)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	266 fcbb = args(1).float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	267 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	268 fbb = args(1).float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	269 }
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	270 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	271 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	272 if (complex_case)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	273 cbb = args(1).complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	274 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	275 bb = args(1).matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	276 }
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 3911 diff changeset	277
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	278 // balance the GEP
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	279 if (isfloat)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	280 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	281 if (complex_case)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	282 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	283 FloatComplexGEPBALANCE result (fcaa, fcbb, bal_job);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	284
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	285 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	286 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	287 case 4:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	288 retval(3) = result.balanced_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	289 // fall through
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	290 case 3:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	291 retval(2) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	292 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	293 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	294 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	295 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	296 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	297 // fall through
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	298 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	299 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	300 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	301 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	302 error ("balance: invalid number of output arguments");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	303 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	304 }
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 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	307 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	308 FloatGEPBALANCE result (faa, fbb, bal_job);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	309
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	310 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	311 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	312 case 4:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	313 retval(3) = result.balanced_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	314 // fall through
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	315 case 3:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	316 retval(2) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	317 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	318 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	319 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	320 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	321 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	322 // fall through
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	323 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	324 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	325 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	326 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	327 error ("balance: invalid number of output arguments");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	328 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	329 }
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 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	332 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	333 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	334 if (complex_case)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	335 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	336 ComplexGEPBALANCE result (caa, cbb, bal_job);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	337
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	338 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	339 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	340 case 4:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	341 retval(3) = result.balanced_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	342 // fall through
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	343 case 3:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	344 retval(2) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	345 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	346 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	347 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	348 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	349 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	350 // fall through
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	351 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	352 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	353 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	354 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	355 error ("balance: invalid number of output arguments");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	356 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	357 }
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 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	360 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	361 GEPBALANCE result (aa, bb, bal_job);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7482 diff changeset	362
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	363 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	364 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	365 case 4:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	366 retval(3) = result.balanced_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	367 // fall through
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	368 case 3:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	369 retval(2) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	370 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	371 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	372 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	373 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	374 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	375 // fall through
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	376 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	377 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	378 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	379 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	380 error ("balance: invalid number of output arguments");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	381 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9821 diff changeset	382 }
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 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	385 }
3185 9580887dd160 [project @ 1998-09-26 02:45:55 by jwe] jwe parents: 3181 diff changeset	386
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	387 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	388 }

Mercurial > octave

annotate src/DLD-FUNCTIONS/balance.cc @ 11523:fd0a3ac60b0e