GNU Octave  3.8.0
A high-level interpreted language, primarily intended for numerical computations, mostly compatible with Matlab
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floatQR.h
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1 /*
2 
3 Copyright (C) 1994-2013 John W. Eaton
4 Copyright (C) 2008-2009 Jaroslav Hajek
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
10 Free Software Foundation; either version 3 of the License, or (at your
11 option) any later version.
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
19 along with Octave; see the file COPYING. If not, see
20 <http://www.gnu.org/licenses/>.
21 
22 */
23 
24 #if !defined (octave_floatQR_h)
25 #define octave_floatQR_h 1
26 
27 #include <iosfwd>
28 
29 #include "fMatrix.h"
30 #include "fColVector.h"
31 #include "fRowVector.h"
32 #include "base-qr.h"
33 
34 class
35 OCTAVE_API
37 {
38 public:
39 
40  FloatQR (void) : base_qr<FloatMatrix> () { }
41 
43 
44  FloatQR (const FloatMatrix& qx, const FloatMatrix& rx)
45  : base_qr<FloatMatrix> (qx, rx) { }
46 
47  FloatQR (const FloatQR& a) : base_qr<FloatMatrix> (a) { }
48 
49  void init (const FloatMatrix&, qr_type_t);
50 
51  void update (const FloatColumnVector& u, const FloatColumnVector& v);
52 
53  void update (const FloatMatrix& u, const FloatMatrix& v);
54 
55  void insert_col (const FloatColumnVector& u, octave_idx_type j);
56 
57  void insert_col (const FloatMatrix& u, const Array<octave_idx_type>& j);
58 
59  void delete_col (octave_idx_type j);
60 
61  void delete_col (const Array<octave_idx_type>& j);
62 
63  void insert_row (const FloatRowVector& u, octave_idx_type j);
64 
65  void delete_row (octave_idx_type j);
66 
67  void shift_cols (octave_idx_type i, octave_idx_type j);
68 
69 protected:
70 
71  void form (octave_idx_type n, FloatMatrix& afact,
72  float *tau, qr_type_t qr_type);
73 };
74 
75 #endif