Mercurial > hg > octave-lyh
annotate liboctave/dbleSVD.h @ 11188:4cb1522e4d0f
Use function handle as input to cellfun,
rather than quoted function name or anonymous function wrapper.
author | Rik <octave@nomad.inbox5.com> |
---|---|
date | Wed, 03 Nov 2010 17:20:56 -0700 |
parents | 3ce0c530a9c9 |
children | 367bfee35ba0 |
rev | line source |
---|---|
457 | 1 /* |
2 | |
7017 | 3 Copyright (C) 1994, 1995, 1996, 1997, 2000, 2002, 2003, 2004, 2005, |
9245 | 4 2006, 2007, 2009 John W. Eaton |
457 | 5 |
6 This file is part of Octave. | |
7 | |
8 Octave is free software; you can redistribute it and/or modify it | |
9 under the terms of the GNU General Public License as published by the | |
7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
11 option) any later version. | |
457 | 12 |
13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 for more details. | |
17 | |
18 You should have received a copy of the GNU General Public License | |
7016 | 19 along with Octave; see the file COPYING. If not, see |
20 <http://www.gnu.org/licenses/>. | |
457 | 21 |
22 */ | |
23 | |
24 #if !defined (octave_SVD_h) | |
25 #define octave_SVD_h 1 | |
26 | |
8950
d865363208d6
include <iosfwd> instead of <iostream> in header files
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
27 #include <iosfwd> |
457 | 28 |
29 #include "dDiagMatrix.h" | |
30 #include "dMatrix.h" | |
31 | |
1880 | 32 class |
6108 | 33 OCTAVE_API |
1880 | 34 SVD |
457 | 35 { |
36 public: | |
37 | |
537 | 38 enum type |
39 { | |
40 std, | |
41 economy, | |
2802 | 42 sigma_only |
537 | 43 }; |
44 | |
10601 | 45 enum driver |
46 { | |
47 GESVD, | |
48 GESDD | |
49 }; | |
50 | |
1881 | 51 SVD (void) : sigma (), left_sm (), right_sm () { } |
1528 | 52 |
10601 | 53 SVD (const Matrix& a, |
54 type svd_type = SVD::std, driver svd_driver = SVD::GESVD) | |
55 { init (a, svd_type, svd_driver); } | |
457 | 56 |
10601 | 57 SVD (const Matrix& a, octave_idx_type& info, |
58 type svd_type = SVD::std, driver svd_driver = SVD::GESVD) | |
1528 | 59 { |
10601 | 60 info = init (a, svd_type, svd_driver); |
1528 | 61 } |
457 | 62 |
1528 | 63 SVD (const SVD& a) |
4374 | 64 : type_computed (a.type_computed), |
65 sigma (a.sigma), left_sm (a.left_sm), right_sm (a.right_sm) { } | |
457 | 66 |
1528 | 67 SVD& operator = (const SVD& a) |
68 { | |
1880 | 69 if (this != &a) |
10312
cbc402e64d83
untabify liboctave header files
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
70 { |
cbc402e64d83
untabify liboctave header files
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
71 type_computed = a.type_computed; |
cbc402e64d83
untabify liboctave header files
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
72 sigma = a.sigma; |
cbc402e64d83
untabify liboctave header files
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
73 left_sm = a.left_sm; |
cbc402e64d83
untabify liboctave header files
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
74 right_sm = a.right_sm; |
cbc402e64d83
untabify liboctave header files
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
75 } |
1528 | 76 |
77 return *this; | |
78 } | |
79 | |
1930 | 80 ~SVD (void) { } |
81 | |
1528 | 82 DiagMatrix singular_values (void) const { return sigma; } |
83 | |
1544 | 84 Matrix left_singular_matrix (void) const; |
1528 | 85 |
1544 | 86 Matrix right_singular_matrix (void) const; |
457 | 87 |
3504 | 88 friend std::ostream& operator << (std::ostream& os, const SVD& a); |
457 | 89 |
90 private: | |
91 | |
1544 | 92 SVD::type type_computed; |
93 | |
457 | 94 DiagMatrix sigma; |
95 Matrix left_sm; | |
96 Matrix right_sm; | |
1880 | 97 |
10601 | 98 octave_idx_type init (const Matrix& a, |
99 type svd_type = std, driver svd_driver = GESVD); | |
457 | 100 }; |
101 | |
102 #endif |