Mercurial > octave

annotate liboctave/base-qr.h @ 9715:9f27172fbd1e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
auto-set MatrixType from certain functions
author Jaroslav Hajek <highegg@gmail.com>
date Mon, 12 Oct 2009 14:23:20 +0200
parents 7918eb15040c
children cbc402e64d83
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
9713
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
1 /*
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
2
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
3 Copyright (C) 2009 Jaroslav Hajek
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
4
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
5 This file is part of Octave.
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
6
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
7 Octave is free software; you can redistribute it and/or modify it
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
8 under the terms of the GNU General Public License as published by the
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
9 Free Software Foundation; either version 3 of the License, or (at your
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
10 option) any later version.
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
11
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
12 Octave is distributed in the hope that it will be useful, but WITHOUT
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
15 for more details.
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
16
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
17 You should have received a copy of the GNU General Public License
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
18 along with Octave; see the file COPYING. If not, see
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
19 <http://www.gnu.org/licenses/>.
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
20
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
21 */
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
22
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
23 #if !defined (octave_base_qr_h)
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
24 #define octave_base_qr_h 1
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
25
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
26 #include "MArray.h"
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
27 #include "dColVector.h"
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
28 #include "PermMatrix.h"
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
29
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
30 enum qr_type_t
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
31 {
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
32 qr_type_std,
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
33 qr_type_raw,
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
34 qr_type_economy
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
35 };
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
36
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
37 template <class qr_type>
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
38 class
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
39 base_qr
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
40 {
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
41 public:
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
42
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
43 typedef typename qr_type::element_type qr_elt_type;
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
44
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
45 base_qr (void) { }
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
46
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
47 base_qr (const qr_type& q, const qr_type& r);
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
48
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
49 base_qr (const base_qr& a) :
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
50 q (a.q), r (a.r) { }
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
51
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
52 base_qr& operator = (const base_qr& a)
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
53 {
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
54 if (this != &a)
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
55 {
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
56 q = a.q;
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
57 r = a.r;
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
58 }
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
59 return *this;
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
60 }
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
61
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
62 qr_type Q (void) const { return q; }
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
63
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
64 qr_type R (void) const { return r; }
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
65
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
66 qr_type_t get_type (void) const;
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
67
9715
9f27172fbd1e auto-set MatrixType from certain functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9713
diff changeset
68 bool regular (void) const;
9f27172fbd1e auto-set MatrixType from certain functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9713
diff changeset
69
9713
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
70 protected:
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
71
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
72 qr_type q, r;
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
73 };
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
74
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
75 #ifndef HAVE_QRUPDATE
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
76 void warn_qrupdate_once (void);
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
77 #endif
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
78
7918eb15040c refactor the QR classes onto a templated base
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
79 #endif