Mercurial > octave-nkf

annotate liboctave/fEIG.h @ 8710:739141cde75a ss-3-1-52

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fix typo in Array-f.cc
author Jaroslav Hajek <highegg@gmail.com>
date Mon, 09 Feb 2009 21:51:31 +0100
parents 18c4ded8612a
children eb63fbe60fab
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1 /*
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3 Copyright (C) 1994, 1995, 1996, 1997, 2000, 2002, 2004, 2005, 2006,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
4 2007 John W. Eaton
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
5
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
6 This file is part of Octave.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
7
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
8 Octave is free software; you can redistribute it and/or modify it
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
9 under the terms of the GNU General Public License as published by the
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
10 Free Software Foundation; either version 3 of the License, or (at your
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
11 option) any later version.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
12
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
13 Octave is distributed in the hope that it will be useful, but WITHOUT
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
16 for more details.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
17
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
18 You should have received a copy of the GNU General Public License
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
19 along with Octave; see the file COPYING. If not, see
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
20 <http://www.gnu.org/licenses/>.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
21
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
22 */
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
23
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
24 #if !defined (octave_float_EIG_h)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
25 #define octave_float_EIG_h 1
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
26
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
27 #include <iostream>
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
28
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
29 #include "fMatrix.h"
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
30 #include "fCMatrix.h"
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
31 #include "fCColVector.h"
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
32
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
33 class
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
34 OCTAVE_API
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
35 FloatEIG
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
36 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
37 friend class FloatMatrix;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
38 friend class FloatComplexMatrix;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
39
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
40 public:
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
41
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
42 FloatEIG (void)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
43 : lambda (), v () { }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
44
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
45 FloatEIG (const FloatMatrix& a, bool calc_eigenvectors = true)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
46 { init (a, calc_eigenvectors); }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
47
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
48 FloatEIG (const FloatMatrix& a, octave_idx_type& info, bool calc_eigenvectors = true)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
49 { info = init (a, calc_eigenvectors); }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
50
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
51 FloatEIG (const FloatMatrix& a, const FloatMatrix& b, bool calc_eigenvectors = true)
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
52 { init (a, b, calc_eigenvectors); }
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
53
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
54 FloatEIG (const FloatMatrix& a, const FloatMatrix& b, octave_idx_type& info, bool calc_eigenvectors = true)
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
55 { info = init (a, b, calc_eigenvectors); }
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
56
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
57 FloatEIG (const FloatComplexMatrix& a, bool calc_eigenvectors = true)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
58 { init (a, calc_eigenvectors); }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
59
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
60 FloatEIG (const FloatComplexMatrix& a, octave_idx_type& info, bool calc_eigenvectors = true)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
61 { info = init (a, calc_eigenvectors); }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
62
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
63 FloatEIG (const FloatComplexMatrix& a, const FloatComplexMatrix& b, bool calc_eigenvectors = true)
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
64 { init (a, b, calc_eigenvectors); }
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
65
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
66 FloatEIG (const FloatComplexMatrix& a, const FloatComplexMatrix& b, octave_idx_type& info, bool calc_eigenvectors = true)
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
67 { info = init (a, b, calc_eigenvectors); }
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
68
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
69 FloatEIG (const FloatEIG& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
70 : lambda (a.lambda), v (a.v) { }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
71
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
72 FloatEIG& operator = (const FloatEIG& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
73 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
74 if (this != &a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
75 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
76 lambda = a.lambda;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
77 v = a.v;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
78 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
79 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
80 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
81
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
82 ~FloatEIG (void) { }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
83
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
84 FloatComplexColumnVector eigenvalues (void) const { return lambda; }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
85
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
86 FloatComplexMatrix eigenvectors (void) const { return v; }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
87
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
88 friend std::ostream& operator << (std::ostream& os, const FloatEIG& a);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
89
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
90 private:
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
91
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
92 FloatComplexColumnVector lambda;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
93 FloatComplexMatrix v;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
94
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
95 octave_idx_type init (const FloatMatrix& a, bool calc_eigenvectors);
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
96 octave_idx_type init (const FloatMatrix& a, const FloatMatrix& b, bool calc_eigenvectors);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
97 octave_idx_type init (const FloatComplexMatrix& a, bool calc_eigenvectors);
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
98 octave_idx_type init (const FloatComplexMatrix& a, const FloatComplexMatrix& b, bool calc_eigenvectors);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
99
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
100 octave_idx_type symmetric_init (const FloatMatrix& a, bool calc_eigenvectors);
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
101 octave_idx_type symmetric_init (const FloatMatrix& a, const FloatMatrix& b, bool calc_eigenvectors);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
102 octave_idx_type hermitian_init (const FloatComplexMatrix& a, bool calc_eigenvectors);
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
103 octave_idx_type hermitian_init (const FloatComplexMatrix& a, const FloatComplexMatrix& b, bool calc_eigenvectors);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
104 };
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
105
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
106 #endif
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
107
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
108 /*
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
109 ;;; Local Variables: ***
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
110 ;;; mode: C++ ***
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
111 ;;; End: ***
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
112 */