GNU Octave  3.8.0
A high-level interpreted language, primarily intended for numerical computations, mostly compatible with Matlab
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base-qr.h
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1 /*
2 
3 Copyright (C) 2009-2013 Jaroslav Hajek
4 
5 This file is part of Octave.
6 
7 Octave is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by the
9 Free Software Foundation; either version 3 of the License, or (at your
10 option) any later version.
11 
12 Octave is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 for more details.
16 
17 You should have received a copy of the GNU General Public License
18 along with Octave; see the file COPYING. If not, see
19 <http://www.gnu.org/licenses/>.
20 
21 */
22 
23 #if !defined (octave_base_qr_h)
24 #define octave_base_qr_h 1
25 
26 #include "MArray.h"
27 #include "dColVector.h"
28 #include "PermMatrix.h"
29 
31 {
35 };
36 
37 template <class qr_type>
38 class
39 base_qr
40 {
41 public:
42 
43  typedef typename qr_type::element_type qr_elt_type;
44 
45  base_qr (void) : q (), r () { }
46 
47  base_qr (const qr_type& q, const qr_type& r);
48 
49  base_qr (const base_qr& a) : q (a.q), r (a.r) { }
50 
51  base_qr& operator = (const base_qr& a)
52  {
53  if (this != &a)
54  {
55  q = a.q;
56  r = a.r;
57  }
58  return *this;
59  }
60 
61  virtual ~base_qr (void) { }
62 
63  qr_type Q (void) const { return q; }
64 
65  qr_type R (void) const { return r; }
66 
67  qr_type_t get_type (void) const;
68 
69  bool regular (void) const;
70 
71 protected:
72 
73  qr_type q;
74  qr_type r;
75 };
76 
77 #ifndef HAVE_QRUPDATE
78 void warn_qrupdate_once (void);
79 #endif
80 
81 #endif