octave: liboctave/numeric/schur.cc annotate

annotate liboctave/numeric/schur.cc @ 21663:79414f8e6f24

schur.cc: Declare selector variable as volatile to suppress gcc warning. schur.cc (init): Declare selector variable as volatile to suppress gcc warning.

author	Rik <rik@octave.org>
date	Mon, 02 May 2016 14:27:52 -0700
parents	40de9f8f23a6
children	aba2e6293dd8

rev	line source
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	1 /*
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	2
19697 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 17769 diff changeset	3 Copyright (C) 1994-2015 John W. Eaton
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	4
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	6
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	8 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	10 option) any later version.
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	11
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	15 for more details.
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	16
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	17 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	18 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	19 <http://www.gnu.org/licenses/>.
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	20
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	21 */
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	22
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	23 #ifdef HAVE_CONFIG_H
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21274 diff changeset	24 # include "config.h"
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	25 #endif
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	26
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	27 #include "CMatrix.h"
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	28 #include "dMatrix.h"
1847 2ffe49eb95a5 [project @ 1996-02-03 12:47:55 by jwe] jwe parents: 1756 diff changeset	29 #include "f77-fcn.h"
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	30 #include "fCMatrix.h"
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	31 #include "fMatrix.h"
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	32 #include "lo-error.h"
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	33 #include "schur.h"
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	34
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	35 typedef octave_idx_type (*double_selector) (const double&, const double&);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	36 typedef octave_idx_type (*float_selector) (const float&, const float&);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	37 typedef octave_idx_type (*complex_selector) (const Complex&);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	38 typedef octave_idx_type (*float_complex_selector) (const FloatComplex&);
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	39
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	40 extern "C"
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	41 {
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4192 diff changeset	42 F77_RET_T
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4192 diff changeset	43 F77_FUNC (dgeesx, DGEESX) (F77_CONST_CHAR_ARG_DECL,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	44 F77_CONST_CHAR_ARG_DECL,
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	45 double_selector,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	46 F77_CONST_CHAR_ARG_DECL,
11495 8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10822 diff changeset	47 const octave_idx_type&, double*,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10822 diff changeset	48 const octave_idx_type&, octave_idx_type&,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	49 double, double, double*, const octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	50 double&, double&, double*, const octave_idx_type&,
11495 8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10822 diff changeset	51 octave_idx_type*, const octave_idx_type&,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10822 diff changeset	52 octave_idx_type*, octave_idx_type&
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	53 F77_CHAR_ARG_LEN_DECL
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	54 F77_CHAR_ARG_LEN_DECL
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	55 F77_CHAR_ARG_LEN_DECL);
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	56
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	57 F77_RET_T
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	58 F77_FUNC (sgeesx, SGEESX) (F77_CONST_CHAR_ARG_DECL,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	59 F77_CONST_CHAR_ARG_DECL,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	60 float_selector,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	61 F77_CONST_CHAR_ARG_DECL,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	62 const octave_idx_type&, float*,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	63 const octave_idx_type&, octave_idx_type&,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	64 float, float, float*, const octave_idx_type&,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	65 float&, float&, float*, const octave_idx_type&,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	66 octave_idx_type*, const octave_idx_type&,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	67 octave_idx_type*, octave_idx_type&
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	68 F77_CHAR_ARG_LEN_DECL
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	69 F77_CHAR_ARG_LEN_DECL
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	70 F77_CHAR_ARG_LEN_DECL);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	71
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	72 F77_RET_T
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	73 F77_FUNC (zgeesx, ZGEESX) (F77_CONST_CHAR_ARG_DECL,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	74 F77_CONST_CHAR_ARG_DECL,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	75 complex_selector,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	76 F77_CONST_CHAR_ARG_DECL,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	77 const octave_idx_type&, Complex*,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	78 const octave_idx_type&, octave_idx_type&,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	79 Complex, Complex, const octave_idx_type&,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	80 double&, double&, Complex*,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	81 const octave_idx_type&, double*,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	82 octave_idx_type*, octave_idx_type&
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	83 F77_CHAR_ARG_LEN_DECL
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	84 F77_CHAR_ARG_LEN_DECL
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	85 F77_CHAR_ARG_LEN_DECL);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	86
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	87 F77_RET_T
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	88 F77_FUNC (zrsf2csf, ZRSF2CSF) (const octave_idx_type&, Complex *,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	89 Complex , double , double *);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	90 F77_RET_T
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	91 F77_FUNC (cgeesx, CGEESX) (F77_CONST_CHAR_ARG_DECL,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	92 F77_CONST_CHAR_ARG_DECL,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	93 float_complex_selector,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	94 F77_CONST_CHAR_ARG_DECL,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	95 const octave_idx_type&, FloatComplex*,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	96 const octave_idx_type&, octave_idx_type&,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	97 FloatComplex, FloatComplex,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	98 const octave_idx_type&, float&, float&,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	99 FloatComplex*, const octave_idx_type&,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	100 float, octave_idx_type, octave_idx_type&
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	101 F77_CHAR_ARG_LEN_DECL
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	102 F77_CHAR_ARG_LEN_DECL
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	103 F77_CHAR_ARG_LEN_DECL);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	104
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	105 F77_RET_T
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	106 F77_FUNC (crsf2csf, CRSF2CSF) (const octave_idx_type&, FloatComplex *,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	107 FloatComplex , float , float *);
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	108 }
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	109
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	110 // For real types.
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	111
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	112 template <typename T>
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	113 static octave_idx_type
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	114 select_ana (const T& a, const T&)
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	115 {
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	116 return (a < 0.0);
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	117 }
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	118
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	119 template <typename T>
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	120 static octave_idx_type
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	121 select_dig (const T& a, const T& b)
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	122 {
1251 97eac19837dc [project @ 1995-04-11 15:58:32 by jwe] jwe parents: 1192 diff changeset	123 return (hypot (a, b) < 1.0);
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	124 }
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	125
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	126 // For complex types.
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	127
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	128 template <typename T>
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	129 static octave_idx_type
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	130 select_ana (const T& a)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	131 {
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	132 return a.real () < 0.0;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	133 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	134
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	135 template <typename T>
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	136 static octave_idx_type
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	137 select_dig (const T& a)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	138 {
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	139 return (abs (a) < 1.0);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	140 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	141
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	142 template <>
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	143 octave_idx_type
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	144 schur<Matrix>::init (const Matrix& a, const std::string& ord, bool calc_unitary)
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	145 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	146 octave_idx_type a_nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	147 octave_idx_type a_nc = a.cols ();
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	148
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	149 if (a_nr != a_nc)
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	150 (*current_liboctave_error_handler) ("schur: requires square matrix");
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 19697 diff changeset	151
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 19697 diff changeset	152 if (a_nr == 0)
10607 f7501986e42d make schur more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	153 {
f7501986e42d make schur more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	154 schur_mat.clear ();
f7501986e42d make schur more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	155 unitary_mat.clear ();
f7501986e42d make schur more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	156 return 0;
f7501986e42d make schur more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	157 }
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	158
3334 5187390bfde6 [project @ 1999-11-03 20:41:16 by jwe] jwe parents: 2847 diff changeset	159 // Workspace requirements may need to be fixed if any of the
5187390bfde6 [project @ 1999-11-03 20:41:16 by jwe] jwe parents: 2847 diff changeset	160 // following change.
5187390bfde6 [project @ 1999-11-03 20:41:16 by jwe] jwe parents: 2847 diff changeset	161
5008 c2bb27ada496 [project @ 2004-09-17 14:45:39 by jwe] jwe parents: 4552 diff changeset	162 char jobvs;
1930 d20ab06301e8 [project @ 1996-02-11 22:30:18 by jwe] jwe parents: 1929 diff changeset	163 char sense = 'N';
d20ab06301e8 [project @ 1996-02-11 22:30:18 by jwe] jwe parents: 1929 diff changeset	164 char sort = 'N';
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	165
5008 c2bb27ada496 [project @ 2004-09-17 14:45:39 by jwe] jwe parents: 4552 diff changeset	166 if (calc_unitary)
c2bb27ada496 [project @ 2004-09-17 14:45:39 by jwe] jwe parents: 4552 diff changeset	167 jobvs = 'V';
c2bb27ada496 [project @ 2004-09-17 14:45:39 by jwe] jwe parents: 4552 diff changeset	168 else
c2bb27ada496 [project @ 2004-09-17 14:45:39 by jwe] jwe parents: 4552 diff changeset	169 jobvs = 'N';
c2bb27ada496 [project @ 2004-09-17 14:45:39 by jwe] jwe parents: 4552 diff changeset	170
1756 1af643fa00e3 [project @ 1996-01-22 04:55:17 by jwe] jwe parents: 1631 diff changeset	171 char ord_char = ord.empty () ? 'U' : ord[0];
1af643fa00e3 [project @ 1996-01-22 04:55:17 by jwe] jwe parents: 1631 diff changeset	172
1af643fa00e3 [project @ 1996-01-22 04:55:17 by jwe] jwe parents: 1631 diff changeset	173 if (ord_char == 'A' \|\| ord_char == 'D' \|\| ord_char == 'a' \|\| ord_char == 'd')
1930 d20ab06301e8 [project @ 1996-02-11 22:30:18 by jwe] jwe parents: 1929 diff changeset	174 sort = 'S';
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	175
21663 79414f8e6f24 schur.cc: Declare selector variable as volatile to suppress gcc warning. Rik <rik@octave.org> parents: 21301 diff changeset	176 volatile double_selector selector = 0;
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	177 if (ord_char == 'A' \|\| ord_char == 'a')
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	178 selector = select_ana<double>;
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	179 else if (ord_char == 'D' \|\| ord_char == 'd')
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	180 selector = select_dig<double>;
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	181
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	182 octave_idx_type n = a_nc;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	183 octave_idx_type lwork = 8 * n;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	184 octave_idx_type liwork = 1;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	185 octave_idx_type info;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	186 octave_idx_type sdim;
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	187 double rconde;
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	188 double rcondv;
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	189
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	190 schur_mat = a;
5008 c2bb27ada496 [project @ 2004-09-17 14:45:39 by jwe] jwe parents: 4552 diff changeset	191
c2bb27ada496 [project @ 2004-09-17 14:45:39 by jwe] jwe parents: 4552 diff changeset	192 if (calc_unitary)
10607 f7501986e42d make schur more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	193 unitary_mat.clear (n, n);
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	194
908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	195 double *s = schur_mat.fortran_vec ();
908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	196 double *q = unitary_mat.fortran_vec ();
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	197
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	198 Array<double> wr (dim_vector (n, 1));
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	199 double *pwr = wr.fortran_vec ();
908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	200
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	201 Array<double> wi (dim_vector (n, 1));
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	202 double *pwi = wi.fortran_vec ();
908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	203
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	204 Array<double> work (dim_vector (lwork, 1));
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	205 double *pwork = work.fortran_vec ();
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	206
3334 5187390bfde6 [project @ 1999-11-03 20:41:16 by jwe] jwe parents: 2847 diff changeset	207 // BWORK is not referenced for the non-ordered Schur routine.
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	208 octave_idx_type ntmp = (ord_char == 'N' \|\| ord_char == 'n') ? 0 : n;
57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	209 Array<octave_idx_type> bwork (dim_vector (ntmp, 1));
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	210 octave_idx_type *pbwork = bwork.fortran_vec ();
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	211
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	212 Array<octave_idx_type> iwork (dim_vector (liwork, 1));
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	213 octave_idx_type *piwork = iwork.fortran_vec ();
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	214
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4192 diff changeset	215 F77_XFCN (dgeesx, DGEESX, (F77_CONST_CHAR_ARG2 (&jobvs, 1),
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	216 F77_CONST_CHAR_ARG2 (&sort, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	217 selector,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	218 F77_CONST_CHAR_ARG2 (&sense, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	219 n, s, n, sdim, pwr, pwi, q, n, rconde, rcondv,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	220 pwork, lwork, piwork, liwork, pbwork, info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	221 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	222 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	223 F77_CHAR_ARG_LEN (1)));
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	224
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	225 return info;
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	226 }
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	227
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	228 template <>
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	229 octave_idx_type
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	230 schur<FloatMatrix>::init (const FloatMatrix& a, const std::string& ord,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	231 bool calc_unitary)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	232 {
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	233 octave_idx_type a_nr = a.rows ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	234 octave_idx_type a_nc = a.cols ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	235
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	236 if (a_nr != a_nc)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	237 (*current_liboctave_error_handler) ("SCHUR requires square matrix");
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	238
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	239 if (a_nr == 0)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	240 {
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	241 schur_mat.clear ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	242 unitary_mat.clear ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	243 return 0;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	244 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	245
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	246 // Workspace requirements may need to be fixed if any of the
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	247 // following change.
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	248
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	249 char jobvs;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	250 char sense = 'N';
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	251 char sort = 'N';
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	252
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	253 if (calc_unitary)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	254 jobvs = 'V';
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	255 else
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	256 jobvs = 'N';
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	257
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	258 char ord_char = ord.empty () ? 'U' : ord[0];
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	259
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	260 if (ord_char == 'A' \|\| ord_char == 'D' \|\| ord_char == 'a' \|\| ord_char == 'd')
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	261 sort = 'S';
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	262
21663 79414f8e6f24 schur.cc: Declare selector variable as volatile to suppress gcc warning. Rik <rik@octave.org> parents: 21301 diff changeset	263 volatile float_selector selector = 0;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	264 if (ord_char == 'A' \|\| ord_char == 'a')
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	265 selector = select_ana<float>;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	266 else if (ord_char == 'D' \|\| ord_char == 'd')
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	267 selector = select_dig<float>;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	268
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	269 octave_idx_type n = a_nc;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	270 octave_idx_type lwork = 8 * n;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	271 octave_idx_type liwork = 1;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	272 octave_idx_type info;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	273 octave_idx_type sdim;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	274 float rconde;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	275 float rcondv;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	276
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	277 schur_mat = a;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	278
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	279 if (calc_unitary)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	280 unitary_mat.clear (n, n);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	281
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	282 float *s = schur_mat.fortran_vec ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	283 float *q = unitary_mat.fortran_vec ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	284
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	285 Array<float> wr (dim_vector (n, 1));
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	286 float *pwr = wr.fortran_vec ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	287
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	288 Array<float> wi (dim_vector (n, 1));
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	289 float *pwi = wi.fortran_vec ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	290
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	291 Array<float> work (dim_vector (lwork, 1));
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	292 float *pwork = work.fortran_vec ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	293
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	294 // BWORK is not referenced for the non-ordered Schur routine.
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	295 octave_idx_type ntmp = (ord_char == 'N' \|\| ord_char == 'n') ? 0 : n;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	296 Array<octave_idx_type> bwork (dim_vector (ntmp, 1));
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	297 octave_idx_type *pbwork = bwork.fortran_vec ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	298
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	299 Array<octave_idx_type> iwork (dim_vector (liwork, 1));
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	300 octave_idx_type *piwork = iwork.fortran_vec ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	301
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	302 F77_XFCN (sgeesx, SGEESX, (F77_CONST_CHAR_ARG2 (&jobvs, 1),
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	303 F77_CONST_CHAR_ARG2 (&sort, 1),
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	304 selector,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	305 F77_CONST_CHAR_ARG2 (&sense, 1),
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	306 n, s, n, sdim, pwr, pwi, q, n, rconde, rcondv,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	307 pwork, lwork, piwork, liwork, pbwork, info
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	308 F77_CHAR_ARG_LEN (1)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	309 F77_CHAR_ARG_LEN (1)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	310 F77_CHAR_ARG_LEN (1)));
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	311
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	312 return info;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	313 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	314
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	315 template <>
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	316 octave_idx_type
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	317 schur<ComplexMatrix>::init (const ComplexMatrix& a, const std::string& ord,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	318 bool calc_unitary)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	319 {
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	320 octave_idx_type a_nr = a.rows ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	321 octave_idx_type a_nc = a.cols ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	322
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	323 if (a_nr != a_nc)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	324 (*current_liboctave_error_handler) ("SCHUR requires square matrix");
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	325
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	326 if (a_nr == 0)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	327 {
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	328 schur_mat.clear ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	329 unitary_mat.clear ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	330 return 0;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	331 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	332
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	333 // Workspace requirements may need to be fixed if any of the
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	334 // following change.
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	335
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	336 char jobvs;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	337 char sense = 'N';
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	338 char sort = 'N';
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	339
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	340 if (calc_unitary)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	341 jobvs = 'V';
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	342 else
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	343 jobvs = 'N';
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	344
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	345 char ord_char = ord.empty () ? 'U' : ord[0];
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	346
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	347 if (ord_char == 'A' \|\| ord_char == 'D' \|\| ord_char == 'a' \|\| ord_char == 'd')
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	348 sort = 'S';
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	349
21663 79414f8e6f24 schur.cc: Declare selector variable as volatile to suppress gcc warning. Rik <rik@octave.org> parents: 21301 diff changeset	350 volatile complex_selector selector = 0;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	351 if (ord_char == 'A' \|\| ord_char == 'a')
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	352 selector = select_ana<Complex>;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	353 else if (ord_char == 'D' \|\| ord_char == 'd')
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	354 selector = select_dig<Complex>;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	355
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	356 octave_idx_type n = a_nc;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	357 octave_idx_type lwork = 8 * n;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	358 octave_idx_type info;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	359 octave_idx_type sdim;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	360 double rconde;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	361 double rcondv;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	362
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	363 schur_mat = a;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	364 if (calc_unitary)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	365 unitary_mat.clear (n, n);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	366
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	367 Complex *s = schur_mat.fortran_vec ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	368 Complex *q = unitary_mat.fortran_vec ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	369
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	370 Array<double> rwork (dim_vector (n, 1));
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	371 double *prwork = rwork.fortran_vec ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	372
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	373 Array<Complex> w (dim_vector (n, 1));
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	374 Complex *pw = w.fortran_vec ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	375
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	376 Array<Complex> work (dim_vector (lwork, 1));
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	377 Complex *pwork = work.fortran_vec ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	378
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	379 // BWORK is not referenced for non-ordered Schur.
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	380 octave_idx_type ntmp = (ord_char == 'N' \|\| ord_char == 'n') ? 0 : n;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	381 Array<octave_idx_type> bwork (dim_vector (ntmp, 1));
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	382 octave_idx_type *pbwork = bwork.fortran_vec ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	383
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	384 F77_XFCN (zgeesx, ZGEESX, (F77_CONST_CHAR_ARG2 (&jobvs, 1),
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	385 F77_CONST_CHAR_ARG2 (&sort, 1),
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	386 selector,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	387 F77_CONST_CHAR_ARG2 (&sense, 1),
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	388 n, s, n, sdim, pw, q, n, rconde, rcondv,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	389 pwork, lwork, prwork, pbwork, info
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	390 F77_CHAR_ARG_LEN (1)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	391 F77_CHAR_ARG_LEN (1)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	392 F77_CHAR_ARG_LEN (1)));
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	393
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	394 return info;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	395 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	396
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	397 template <>
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	398 schur<ComplexMatrix>
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	399 rsf2csf<ComplexMatrix, Matrix> (const Matrix& s_arg, const Matrix& u_arg)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	400 {
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	401 ComplexMatrix s (s_arg);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	402 ComplexMatrix u (u_arg);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	403
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	404 octave_idx_type n = s.rows ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	405
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	406 if (s.columns () != n \|\| u.rows () != n \|\| u.columns () != n)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	407 (*current_liboctave_error_handler)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	408 ("rsf2csf: inconsistent matrix dimensions");
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	409
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	410 if (n > 0)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	411 {
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	412 OCTAVE_LOCAL_BUFFER (double, c, n-1);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	413 OCTAVE_LOCAL_BUFFER (double, sx, n-1);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	414
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	415 F77_XFCN (zrsf2csf, ZRSF2CSF, (n, s.fortran_vec (),
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	416 u.fortran_vec (), c, sx));
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	417 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	418
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	419 return schur<ComplexMatrix> (s, u);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	420 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	421
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	422 template <>
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	423 octave_idx_type
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	424 schur<FloatComplexMatrix>::init (const FloatComplexMatrix& a,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	425 const std::string& ord, bool calc_unitary)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	426 {
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	427 octave_idx_type a_nr = a.rows ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	428 octave_idx_type a_nc = a.cols ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	429
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	430 if (a_nr != a_nc)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	431 (*current_liboctave_error_handler) ("SCHUR requires square matrix");
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	432
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	433 if (a_nr == 0)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	434 {
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	435 schur_mat.clear ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	436 unitary_mat.clear ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	437 return 0;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	438 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	439
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	440 // Workspace requirements may need to be fixed if any of the
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	441 // following change.
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	442
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	443 char jobvs;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	444 char sense = 'N';
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	445 char sort = 'N';
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	446
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	447 if (calc_unitary)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	448 jobvs = 'V';
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	449 else
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	450 jobvs = 'N';
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	451
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	452 char ord_char = ord.empty () ? 'U' : ord[0];
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	453
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	454 if (ord_char == 'A' \|\| ord_char == 'D' \|\| ord_char == 'a' \|\| ord_char == 'd')
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	455 sort = 'S';
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	456
21663 79414f8e6f24 schur.cc: Declare selector variable as volatile to suppress gcc warning. Rik <rik@octave.org> parents: 21301 diff changeset	457 volatile float_complex_selector selector = 0;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	458 if (ord_char == 'A' \|\| ord_char == 'a')
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	459 selector = select_ana<FloatComplex>;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	460 else if (ord_char == 'D' \|\| ord_char == 'd')
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	461 selector = select_dig<FloatComplex>;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	462
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	463 octave_idx_type n = a_nc;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	464 octave_idx_type lwork = 8 * n;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	465 octave_idx_type info;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	466 octave_idx_type sdim;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	467 float rconde;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	468 float rcondv;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	469
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	470 schur_mat = a;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	471 if (calc_unitary)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	472 unitary_mat.clear (n, n);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	473
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	474 FloatComplex *s = schur_mat.fortran_vec ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	475 FloatComplex *q = unitary_mat.fortran_vec ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	476
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	477 Array<float> rwork (dim_vector (n, 1));
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	478 float *prwork = rwork.fortran_vec ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	479
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	480 Array<FloatComplex> w (dim_vector (n, 1));
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	481 FloatComplex *pw = w.fortran_vec ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	482
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	483 Array<FloatComplex> work (dim_vector (lwork, 1));
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	484 FloatComplex *pwork = work.fortran_vec ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	485
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	486 // BWORK is not referenced for non-ordered Schur.
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	487 octave_idx_type ntmp = (ord_char == 'N' \|\| ord_char == 'n') ? 0 : n;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	488 Array<octave_idx_type> bwork (dim_vector (ntmp, 1));
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	489 octave_idx_type *pbwork = bwork.fortran_vec ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	490
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	491 F77_XFCN (cgeesx, CGEESX, (F77_CONST_CHAR_ARG2 (&jobvs, 1),
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	492 F77_CONST_CHAR_ARG2 (&sort, 1),
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	493 selector,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	494 F77_CONST_CHAR_ARG2 (&sense, 1),
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	495 n, s, n, sdim, pw, q, n, rconde, rcondv,
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	496 pwork, lwork, prwork, pbwork, info
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	497 F77_CHAR_ARG_LEN (1)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	498 F77_CHAR_ARG_LEN (1)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	499 F77_CHAR_ARG_LEN (1)));
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	500
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	501 return info;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	502 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	503
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	504 template <>
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	505 schur<FloatComplexMatrix>
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	506 rsf2csf<FloatComplexMatrix, FloatMatrix> (const FloatMatrix& s_arg, const FloatMatrix& u_arg)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	507 {
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	508 FloatComplexMatrix s (s_arg);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	509 FloatComplexMatrix u (u_arg);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	510
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	511 octave_idx_type n = s.rows ();
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	512
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	513 if (s.columns () != n \|\| u.rows () != n \|\| u.columns () != n)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	514 (*current_liboctave_error_handler)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	515 ("rsf2csf: inconsistent matrix dimensions");
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	516
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	517 if (n > 0)
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	518 {
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	519 OCTAVE_LOCAL_BUFFER (float, c, n-1);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	520 OCTAVE_LOCAL_BUFFER (float, sx, n-1);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	521
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	522 F77_XFCN (crsf2csf, CRSF2CSF, (n, s.fortran_vec (),
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	523 u.fortran_vec (), c, sx));
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	524 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	525
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	526 return schur<FloatComplexMatrix> (s, u);
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	527 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	528
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	529 // Instantiations we need.
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	530
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	531 template class schur<ComplexMatrix>;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	532
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	533 template class schur<FloatComplexMatrix>;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	534
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	535 template class schur<FloatMatrix>;
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	536
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	537 template class schur<Matrix>;

Mercurial > octave

annotate liboctave/numeric/schur.cc @ 21663:79414f8e6f24