octave: liboctave/numeric/schur.cc annotate

annotate liboctave/numeric/schur.cc @ 22844:7bb977866f55

use F77_INT instead of octave_idx_type for liboctave schur class * schur.h, schur.cc: Use F77_INT instead of octave_idx_type for interfacing with Fortran.

author	John W. Eaton <jwe@octave.org>
date	Tue, 29 Nov 2016 00:37:20 -0500
parents	b27125252bb0
children	cd33c785e80e

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
22323 bac0d6f07a3e maint: Update copyright notices for 2016. John W. Eaton <jwe@octave.org> parents: 22322 diff changeset	3 Copyright (C) 1994-2016 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
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	8 under the terms of the GNU General Public License as published by
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	9 the Free Software Foundation; either version 3 of the License, or
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	10 (at your option) any later version.
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	11
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	12 Octave is distributed in the hope that it will be useful, but
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	13 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	15 GNU General Public License for more details.
457 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
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21663 diff changeset	23 #if defined (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"
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	29 #include "fCMatrix.h"
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	30 #include "fMatrix.h"
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	31 #include "lo-error.h"
22322 93b3cdd36854 move most f77 function decls to separate header files John W. Eaton <jwe@octave.org> parents: 22317 diff changeset	32 #include "lo-lapack-proto.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
22317 6ca3acf5fad8 move some new numeric classes to namespace octave::math John W. Eaton <jwe@octave.org> parents: 22135 diff changeset	35 namespace octave
6ca3acf5fad8 move some new numeric classes to namespace octave::math John W. Eaton <jwe@octave.org> parents: 22135 diff changeset	36 {
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	37 namespace math
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	38 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	39 // For real types.
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	40
22839 b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	41 static F77_INT
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	42 select_ana (const double& a, const double&)
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	43 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	44 return (a < 0.0);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	45 }
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	46
22839 b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	47 static F77_INT
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	48 select_dig (const double& a, const double& b)
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	49 {
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	50 return (hypot (a, b) < 1.0);
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	51 }
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	52
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	53 static F77_INT
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	54 select_ana (const float& a, const float&)
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	55 {
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	56 return (a < 0.0);
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	57 }
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	58
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	59 static F77_INT
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	60 select_dig (const float& a, const float& b)
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	61 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	62 return (hypot (a, b) < 1.0);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	63 }
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	64
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	65 // For complex types.
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	66
22839 b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	67 static F77_INT
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	68 select_ana (const F77_DBLE_CMPLX& a_arg)
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	69 {
22839 b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	70 const Complex a = reinterpret_cast<const Complex&> (a_arg);
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	71 return a.real () < 0.0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	72 }
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	73
22839 b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	74 static F77_INT
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	75 select_dig (const F77_DBLE_CMPLX& a_arg)
10607 f7501986e42d make schur more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	76 {
22839 b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	77 const Complex& a = reinterpret_cast<const Complex&> (a_arg);
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	78 return (abs (a) < 1.0);
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	79 }
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	80
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	81 static F77_INT
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	82 select_ana (const F77_CMPLX& a_arg)
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	83 {
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	84 const FloatComplex& a = reinterpret_cast<const FloatComplex&> (a_arg);
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	85 return a.real () < 0.0;
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	86 }
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	87
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	88 static F77_INT
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	89 select_dig (const F77_CMPLX& a_arg)
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	90 {
b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	91 const FloatComplex& a = reinterpret_cast<const FloatComplex&> (a_arg);
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	92 return (abs (a) < 1.0);
10607 f7501986e42d make schur more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	93 }
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	94
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	95 template <>
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	96 F77_INT
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	97 schur<Matrix>::init (const Matrix& a, const std::string& ord, bool calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	98 {
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	99 F77_INT a_nr = to_f77_int (a.rows ());
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	100 F77_INT a_nc = to_f77_int (a.cols ());
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	101
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	102 if (a_nr != a_nc)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	103 (*current_liboctave_error_handler) ("schur: requires square matrix");
3334 5187390bfde6 [project @ 1999-11-03 20:41:16 by jwe] jwe parents: 2847 diff changeset	104
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	105 if (a_nr == 0)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	106 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	107 schur_mat.clear ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	108 unitary_mat.clear ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	109 return 0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	110 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	111
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	112 // Workspace requirements may need to be fixed if any of the
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	113 // following change.
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	114
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	115 char jobvs;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	116 char sense = 'N';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	117 char sort = 'N';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	118
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	119 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	120 jobvs = 'V';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	121 else
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	122 jobvs = 'N';
5008 c2bb27ada496 [project @ 2004-09-17 14:45:39 by jwe] jwe parents: 4552 diff changeset	123
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	124 char ord_char = ord.empty () ? 'U' : ord[0];
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	125
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	126 if (ord_char == 'A' \|\| ord_char == 'D' \|\| ord_char == 'a' \|\| ord_char == 'd')
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	127 sort = 'S';
1756 1af643fa00e3 [project @ 1996-01-22 04:55:17 by jwe] jwe parents: 1631 diff changeset	128
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	129 volatile double_selector selector = 0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	130 if (ord_char == 'A' \|\| ord_char == 'a')
22839 b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	131 selector = select_ana;
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	132 else if (ord_char == 'D' \|\| ord_char == 'd')
22839 b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	133 selector = select_dig;
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	134
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	135 F77_INT n = a_nc;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	136 F77_INT lwork = 8 * n;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	137 F77_INT liwork = 1;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	138 F77_INT info;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	139 F77_INT sdim;
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	140 double rconde;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	141 double rcondv;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	142
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	143 schur_mat = a;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	144
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	145 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	146 unitary_mat.clear (n, n);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	147
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	148 double *s = schur_mat.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	149 double *q = unitary_mat.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	150
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	151 Array<double> wr (dim_vector (n, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	152 double *pwr = wr.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	153
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	154 Array<double> wi (dim_vector (n, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	155 double *pwi = wi.fortran_vec ();
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	156
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	157 Array<double> work (dim_vector (lwork, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	158 double *pwork = work.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	159
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	160 // BWORK is not referenced for the non-ordered Schur routine.
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	161 F77_INT ntmp = (ord_char == 'N' \|\| ord_char == 'n') ? 0 : n;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	162 Array<F77_INT> bwork (dim_vector (ntmp, 1));
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	163 F77_INT *pbwork = bwork.fortran_vec ();
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	164
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	165 Array<F77_INT> iwork (dim_vector (liwork, 1));
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	166 F77_INT *piwork = iwork.fortran_vec ();
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	167
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	168 F77_XFCN (dgeesx, DGEESX, (F77_CONST_CHAR_ARG2 (&jobvs, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	169 F77_CONST_CHAR_ARG2 (&sort, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	170 selector,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	171 F77_CONST_CHAR_ARG2 (&sense, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	172 n, s, n, sdim, pwr, pwi, q, n, rconde, rcondv,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	173 pwork, lwork, piwork, liwork, pbwork, info
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	174 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	175 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	176 F77_CHAR_ARG_LEN (1)));
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	177
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	178 return info;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	179 }
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	180
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	181 template <>
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	182 F77_INT
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	183 schur<FloatMatrix>::init (const FloatMatrix& a, const std::string& ord,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	184 bool calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	185 {
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	186 F77_INT a_nr = to_f77_int (a.rows ());
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	187 F77_INT a_nc = to_f77_int (a.cols ());
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	188
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	189 if (a_nr != a_nc)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	190 (*current_liboctave_error_handler) ("SCHUR requires square matrix");
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	191
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	192 if (a_nr == 0)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	193 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	194 schur_mat.clear ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	195 unitary_mat.clear ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	196 return 0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	197 }
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	198
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	199 // Workspace requirements may need to be fixed if any of the
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	200 // following change.
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	201
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	202 char jobvs;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	203 char sense = 'N';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	204 char sort = 'N';
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	205
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	206 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	207 jobvs = 'V';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	208 else
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	209 jobvs = 'N';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	210
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	211 char ord_char = ord.empty () ? 'U' : ord[0];
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	212
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	213 if (ord_char == 'A' \|\| ord_char == 'D' \|\| ord_char == 'a' \|\| ord_char == 'd')
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	214 sort = 'S';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	215
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	216 volatile float_selector selector = 0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	217 if (ord_char == 'A' \|\| ord_char == 'a')
22839 b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	218 selector = select_ana;
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	219 else if (ord_char == 'D' \|\| ord_char == 'd')
22839 b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	220 selector = select_dig;
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	221
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	222 F77_INT n = a_nc;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	223 F77_INT lwork = 8 * n;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	224 F77_INT liwork = 1;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	225 F77_INT info;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	226 F77_INT sdim;
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	227 float rconde;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	228 float rcondv;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	229
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	230 schur_mat = a;
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	231
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	232 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	233 unitary_mat.clear (n, n);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	234
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	235 float *s = schur_mat.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	236 float *q = unitary_mat.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	237
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	238 Array<float> wr (dim_vector (n, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	239 float *pwr = wr.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	240
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	241 Array<float> wi (dim_vector (n, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	242 float *pwi = wi.fortran_vec ();
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	243
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	244 Array<float> work (dim_vector (lwork, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	245 float *pwork = work.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	246
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	247 // BWORK is not referenced for the non-ordered Schur routine.
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	248 F77_INT ntmp = (ord_char == 'N' \|\| ord_char == 'n') ? 0 : n;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	249 Array<F77_INT> bwork (dim_vector (ntmp, 1));
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	250 F77_INT *pbwork = bwork.fortran_vec ();
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	251
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	252 Array<F77_INT> iwork (dim_vector (liwork, 1));
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	253 F77_INT *piwork = iwork.fortran_vec ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	254
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	255 F77_XFCN (sgeesx, SGEESX, (F77_CONST_CHAR_ARG2 (&jobvs, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	256 F77_CONST_CHAR_ARG2 (&sort, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	257 selector,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	258 F77_CONST_CHAR_ARG2 (&sense, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	259 n, s, n, sdim, pwr, pwi, q, n, rconde, rcondv,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	260 pwork, lwork, piwork, liwork, pbwork, info
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	261 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	262 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	263 F77_CHAR_ARG_LEN (1)));
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	264
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	265 return info;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	266 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	267
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	268 template <>
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	269 F77_INT
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	270 schur<ComplexMatrix>::init (const ComplexMatrix& a, const std::string& ord,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	271 bool calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	272 {
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	273 F77_INT a_nr = to_f77_int (a.rows ());
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	274 F77_INT a_nc = to_f77_int (a.cols ());
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	275
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	276 if (a_nr != a_nc)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	277 (*current_liboctave_error_handler) ("SCHUR requires square matrix");
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	278
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	279 if (a_nr == 0)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	280 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	281 schur_mat.clear ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	282 unitary_mat.clear ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	283 return 0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	284 }
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	285
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	286 // Workspace requirements may need to be fixed if any of the
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	287 // following change.
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	288
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	289 char jobvs;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	290 char sense = 'N';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	291 char sort = 'N';
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	292
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	293 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	294 jobvs = 'V';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	295 else
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	296 jobvs = 'N';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	297
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	298 char ord_char = ord.empty () ? 'U' : ord[0];
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	299
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	300 if (ord_char == 'A' \|\| ord_char == 'D' \|\| ord_char == 'a' \|\| ord_char == 'd')
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	301 sort = 'S';
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	302
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	303 volatile complex_selector selector = 0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	304 if (ord_char == 'A' \|\| ord_char == 'a')
22839 b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	305 selector = select_ana;
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	306 else if (ord_char == 'D' \|\| ord_char == 'd')
22839 b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	307 selector = select_dig;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	308
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	309 F77_INT n = a_nc;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	310 F77_INT lwork = 8 * n;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	311 F77_INT info;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	312 F77_INT sdim;
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	313 double rconde;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	314 double rcondv;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	315
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	316 schur_mat = a;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	317 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	318 unitary_mat.clear (n, n);
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	319
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	320 Complex *s = schur_mat.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	321 Complex *q = unitary_mat.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	322
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	323 Array<double> rwork (dim_vector (n, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	324 double *prwork = rwork.fortran_vec ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	325
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	326 Array<Complex> w (dim_vector (n, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	327 Complex *pw = w.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	328
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	329 Array<Complex> work (dim_vector (lwork, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	330 Complex *pwork = work.fortran_vec ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	331
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	332 // BWORK is not referenced for non-ordered Schur.
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	333 F77_INT ntmp = (ord_char == 'N' \|\| ord_char == 'n') ? 0 : n;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	334 Array<F77_INT> bwork (dim_vector (ntmp, 1));
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	335 F77_INT *pbwork = bwork.fortran_vec ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	336
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	337 F77_XFCN (zgeesx, ZGEESX, (F77_CONST_CHAR_ARG2 (&jobvs, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	338 F77_CONST_CHAR_ARG2 (&sort, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	339 selector,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	340 F77_CONST_CHAR_ARG2 (&sense, 1),
22402 4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22329 diff changeset	341 n, F77_DBLE_CMPLX_ARG (s), n, sdim, F77_DBLE_CMPLX_ARG (pw),
4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22329 diff changeset	342 F77_DBLE_CMPLX_ARG (q), n, rconde, rcondv,
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	343 F77_DBLE_CMPLX_ARG (pwork), lwork, prwork, pbwork, info
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	344 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	345 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	346 F77_CHAR_ARG_LEN (1)));
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	347
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	348 return info;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	349 }
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	350
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	351 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	352 schur<ComplexMatrix>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	353 rsf2csf<ComplexMatrix, Matrix> (const Matrix& s_arg, const Matrix& u_arg)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	354 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	355 ComplexMatrix s (s_arg);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	356 ComplexMatrix u (u_arg);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	357
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	358 F77_INT n = to_f77_int (s.rows ());
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	359
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	360 if (s.columns () != n \|\| u.rows () != n \|\| u.columns () != n)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	361 (*current_liboctave_error_handler)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	362 ("rsf2csf: inconsistent matrix dimensions");
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	363
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	364 if (n > 0)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	365 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	366 OCTAVE_LOCAL_BUFFER (double, c, n-1);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	367 OCTAVE_LOCAL_BUFFER (double, sx, n-1);
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	368
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	369 F77_XFCN (zrsf2csf, ZRSF2CSF, (n, F77_DBLE_CMPLX_ARG (s.fortran_vec ()),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	370 F77_DBLE_CMPLX_ARG (u.fortran_vec ()), c, sx));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	371 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	372
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	373 return schur<ComplexMatrix> (s, u);
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	374 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	375
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	376 template <>
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	377 F77_INT
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	378 schur<FloatComplexMatrix>::init (const FloatComplexMatrix& a,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	379 const std::string& ord, bool calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	380 {
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	381 F77_INT a_nr = to_f77_int (a.rows ());
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	382 F77_INT a_nc = to_f77_int (a.cols ());
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	383
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	384 if (a_nr != a_nc)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	385 (*current_liboctave_error_handler) ("SCHUR requires square matrix");
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	386
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	387 if (a_nr == 0)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	388 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	389 schur_mat.clear ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	390 unitary_mat.clear ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	391 return 0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	392 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	393
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	394 // Workspace requirements may need to be fixed if any of the
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	395 // following change.
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	396
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	397 char jobvs;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	398 char sense = 'N';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	399 char sort = 'N';
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	400
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	401 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	402 jobvs = 'V';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	403 else
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	404 jobvs = 'N';
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	405
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	406 char ord_char = ord.empty () ? 'U' : ord[0];
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	407
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	408 if (ord_char == 'A' \|\| ord_char == 'D' \|\| ord_char == 'a' \|\| ord_char == 'd')
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	409 sort = 'S';
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	410
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	411 volatile float_complex_selector selector = 0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	412 if (ord_char == 'A' \|\| ord_char == 'a')
22839 b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	413 selector = select_ana;
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	414 else if (ord_char == 'D' \|\| ord_char == 'd')
22839 b27125252bb0 use Fortran data types for Fortran function pointer typedefs John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	415 selector = select_dig;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	416
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	417 F77_INT n = a_nc;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	418 F77_INT lwork = 8 * n;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	419 F77_INT info;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	420 F77_INT sdim;
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	421 float rconde;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	422 float rcondv;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	423
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	424 schur_mat = a;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	425 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	426 unitary_mat.clear (n, n);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	427
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	428 FloatComplex *s = schur_mat.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	429 FloatComplex *q = unitary_mat.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	430
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	431 Array<float> rwork (dim_vector (n, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	432 float *prwork = rwork.fortran_vec ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	433
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	434 Array<FloatComplex> w (dim_vector (n, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	435 FloatComplex *pw = w.fortran_vec ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	436
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	437 Array<FloatComplex> work (dim_vector (lwork, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	438 FloatComplex *pwork = work.fortran_vec ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	439
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	440 // BWORK is not referenced for non-ordered Schur.
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	441 F77_INT ntmp = (ord_char == 'N' \|\| ord_char == 'n') ? 0 : n;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	442 Array<F77_INT> bwork (dim_vector (ntmp, 1));
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	443 F77_INT *pbwork = bwork.fortran_vec ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	444
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	445 F77_XFCN (cgeesx, CGEESX, (F77_CONST_CHAR_ARG2 (&jobvs, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	446 F77_CONST_CHAR_ARG2 (&sort, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	447 selector,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	448 F77_CONST_CHAR_ARG2 (&sense, 1),
22402 4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22329 diff changeset	449 n, F77_CMPLX_ARG (s), n, sdim, F77_CMPLX_ARG (pw), F77_CMPLX_ARG (q), n, rconde,
4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22329 diff changeset	450 rcondv,
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	451 F77_CMPLX_ARG (pwork), lwork, prwork, pbwork, info
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	452 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	453 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	454 F77_CHAR_ARG_LEN (1)));
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	455
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	456 return info;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	457 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	458
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	459 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	460 schur<FloatComplexMatrix>
22402 4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22329 diff changeset	461 rsf2csf<FloatComplexMatrix, FloatMatrix> (const FloatMatrix& s_arg,
4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22329 diff changeset	462 const FloatMatrix& u_arg)
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	463 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	464 FloatComplexMatrix s (s_arg);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	465 FloatComplexMatrix u (u_arg);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	466
22844 7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class John W. Eaton <jwe@octave.org> parents: 22839 diff changeset	467 F77_INT n = to_f77_int (s.rows ());
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	468
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	469 if (s.columns () != n \|\| u.rows () != n \|\| u.columns () != n)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	470 (*current_liboctave_error_handler)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	471 ("rsf2csf: inconsistent matrix dimensions");
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	472
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	473 if (n > 0)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	474 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	475 OCTAVE_LOCAL_BUFFER (float, c, n-1);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	476 OCTAVE_LOCAL_BUFFER (float, sx, n-1);
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	477
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	478 F77_XFCN (crsf2csf, CRSF2CSF, (n, F77_CMPLX_ARG (s.fortran_vec ()),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	479 F77_CMPLX_ARG (u.fortran_vec ()), c, sx));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	480 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	481
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	482 return schur<FloatComplexMatrix> (s, u);
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	483 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	484
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	485 // Instantiations we need.
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	486
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	487 template class schur<ComplexMatrix>;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	488
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	489 template class schur<FloatComplexMatrix>;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	490
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	491 template class schur<FloatMatrix>;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	492
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	493 template class schur<Matrix>;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	494 }
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	495 }
22402 4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22329 diff changeset	496

Mercurial > octave

annotate liboctave/numeric/schur.cc @ 22844:7bb977866f55