Mercurial > octave-nkf

annotate liboctave/numeric/fCmplxAEPBAL.cc @ 20354:227d582fa300 stable

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
build: Sort generated PKG_ADD contents consistently * libinterp/mk-pkg-add: Set LC_COLLATE=C when sorting for consistent output.
author Mike Miller <mtmiller@octave.org>
date Fri, 10 Jul 2015 01:10:30 -0400
parents 4197fc428c7d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
7792
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1 /*
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2
19731
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
8386
a5e080076778 make balance more Matlab-compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7792
diff changeset
4 Copyright (C) 2008 Jaroslav Hajek
7792
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
5
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
6 This file is part of Octave.
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
7
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
8 Octave is free software; you can redistribute it and/or modify it
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
9 under the terms of the GNU General Public License as published by the
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
10 Free Software Foundation; either version 3 of the License, or (at your
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
11 option) any later version.
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
12
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
13 Octave is distributed in the hope that it will be useful, but WITHOUT
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
16 for more details.
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
17
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
18 You should have received a copy of the GNU General Public License
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
19 along with Octave; see the file COPYING. If not, see
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
20 <http://www.gnu.org/licenses/>.
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
21
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
22 */
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
23
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
24 #ifdef HAVE_CONFIG_H
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
25 #include <config.h>
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
26 #endif
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
27
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
28 #include <string>
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
29
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
30 #include "fCmplxAEPBAL.h"
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
31 #include "fMatrix.h"
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
32 #include "f77-fcn.h"
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
33
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
34 extern "C"
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
35 {
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
36 F77_RET_T
11518
141b3fb5cef7 style fixes
John W. Eaton <jwe@octave.org>
parents: 10314
diff changeset
37 F77_FUNC (cgebal, CGEBAL) (F77_CONST_CHAR_ARG_DECL,
141b3fb5cef7 style fixes
John W. Eaton <jwe@octave.org>
parents: 10314
diff changeset
38 const octave_idx_type&, FloatComplex*,
141b3fb5cef7 style fixes
John W. Eaton <jwe@octave.org>
parents: 10314
diff changeset
39 const octave_idx_type&, octave_idx_type&,
141b3fb5cef7 style fixes
John W. Eaton <jwe@octave.org>
parents: 10314
diff changeset
40 octave_idx_type&, float*, octave_idx_type&
141b3fb5cef7 style fixes
John W. Eaton <jwe@octave.org>
parents: 10314
diff changeset
41 F77_CHAR_ARG_LEN_DECL);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
42
7792
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
43 F77_RET_T
11518
141b3fb5cef7 style fixes
John W. Eaton <jwe@octave.org>
parents: 10314
diff changeset
44 F77_FUNC (cgebak, CGEBAK) (F77_CONST_CHAR_ARG_DECL,
141b3fb5cef7 style fixes
John W. Eaton <jwe@octave.org>
parents: 10314
diff changeset
45 F77_CONST_CHAR_ARG_DECL,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
46 const octave_idx_type&, const octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
47 const octave_idx_type&, const float*,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
48 const octave_idx_type&, FloatComplex*,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
49 const octave_idx_type&, octave_idx_type&
11518
141b3fb5cef7 style fixes
John W. Eaton <jwe@octave.org>
parents: 10314
diff changeset
50 F77_CHAR_ARG_LEN_DECL
141b3fb5cef7 style fixes
John W. Eaton <jwe@octave.org>
parents: 10314
diff changeset
51 F77_CHAR_ARG_LEN_DECL);
7792
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
52 }
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
53
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
54 FloatComplexAEPBALANCE::FloatComplexAEPBALANCE (const FloatComplexMatrix& a,
8386
a5e080076778 make balance more Matlab-compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7792
diff changeset
55 bool noperm, bool noscal)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
56 : base_aepbal<FloatComplexMatrix, FloatColumnVector> ()
7792
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
57 {
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
58 octave_idx_type n = a.cols ();
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
59
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
60 if (a.rows () != n)
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
61 {
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
62 (*current_liboctave_error_handler) ("AEPBALANCE requires square matrix");
8386
a5e080076778 make balance more Matlab-compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7792
diff changeset
63 return;
7792
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
64 }
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
65
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
66 octave_idx_type info;
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
67
8386
a5e080076778 make balance more Matlab-compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7792
diff changeset
68 scale = FloatColumnVector (n);
7792
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
69 float *pscale = scale.fortran_vec ();
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
70
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
71 balanced_mat = a;
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
72 FloatComplex *p_balanced_mat = balanced_mat.fortran_vec ();
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
73
8386
a5e080076778 make balance more Matlab-compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7792
diff changeset
74 job = noperm ? (noscal ? 'N' : 'S') : (noscal ? 'P' : 'B');
7792
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
75
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
76 F77_XFCN (cgebal, CGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
77 n, p_balanced_mat, n, ilo, ihi,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
78 pscale, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
79 F77_CHAR_ARG_LEN (1)));
8386
a5e080076778 make balance more Matlab-compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7792
diff changeset
80 }
7792
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
81
8386
a5e080076778 make balance more Matlab-compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7792
diff changeset
82 FloatComplexMatrix
a5e080076778 make balance more Matlab-compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7792
diff changeset
83 FloatComplexAEPBALANCE::balancing_matrix (void) const
a5e080076778 make balance more Matlab-compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7792
diff changeset
84 {
a5e080076778 make balance more Matlab-compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7792
diff changeset
85 octave_idx_type n = balanced_mat.rows ();
a5e080076778 make balance more Matlab-compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7792
diff changeset
86 FloatComplexMatrix balancing_mat (n, n, 0.0);
7792
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
87 for (octave_idx_type i = 0; i < n; i++)
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
88 balancing_mat.elem (i, i) = 1.0;
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
89
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
90 FloatComplex *p_balancing_mat = balancing_mat.fortran_vec ();
8386
a5e080076778 make balance more Matlab-compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7792
diff changeset
91 const float *pscale = scale.fortran_vec ();
a5e080076778 make balance more Matlab-compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7792
diff changeset
92
a5e080076778 make balance more Matlab-compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7792
diff changeset
93 octave_idx_type info;
7792
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
94
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
95 char side = 'R';
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
96
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
97 F77_XFCN (cgebak, CGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
98 F77_CONST_CHAR_ARG2 (&side, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
99 n, ilo, ihi, pscale, n,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
100 p_balancing_mat, n, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
101 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
102 F77_CHAR_ARG_LEN (1)));
7792
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
103
8386
a5e080076778 make balance more Matlab-compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7792
diff changeset
104 return balancing_mat;
7792
39c1026191e9 add missing files from single-precision merge
John W. Eaton <jwe@octave.org>
parents:
diff changeset
105 }