GNU Octave  3.8.0
A high-level interpreted language, primarily intended for numerical computations, mostly compatible with Matlab
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floatSCHUR.h
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1 /*
2 
3 Copyright (C) 1994-2013 John W. Eaton
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_floatSCHUR_h)
24 #define octave_floatSCHUR_h 1
25 
26 #include <iosfwd>
27 #include <string>
28 
29 #include "fMatrix.h"
30 
31 class
32 OCTAVE_API
34 {
35 public:
36 
37  FloatSCHUR (void) : schur_mat (), unitary_mat (), selector (0) { }
38 
39  FloatSCHUR (const FloatMatrix& a, const std::string& ord,
40  bool calc_unitary = true)
41  : schur_mat (), unitary_mat (), selector (0)
42  {
43  init (a, ord, calc_unitary);
44  }
45 
46  FloatSCHUR (const FloatMatrix& a, const std::string& ord, int& info,
47  bool calc_unitary = true)
48  : schur_mat (), unitary_mat (), selector (0)
49  {
50  info = init (a, ord, calc_unitary);
51  }
52 
54  : schur_mat (a.schur_mat), unitary_mat (a.unitary_mat), selector (0)
55  { }
56 
57  FloatSCHUR (const FloatMatrix& s, const FloatMatrix& u);
58 
60  {
61  if (this != &a)
62  {
63  schur_mat = a.schur_mat;
64  unitary_mat = a.unitary_mat;
65  }
66  return *this;
67  }
68 
69  ~FloatSCHUR (void) { }
70 
71  FloatMatrix schur_matrix (void) const { return schur_mat; }
72 
73  FloatMatrix unitary_matrix (void) const { return unitary_mat; }
74 
75  friend std::ostream& operator << (std::ostream& os, const FloatSCHUR& a);
76 
77  typedef octave_idx_type (*select_function) (const float&, const float&);
78 
79 private:
80 
83 
84  select_function selector;
85 
86  octave_idx_type init (const FloatMatrix& a, const std::string& ord,
87  bool calc_unitary);
88 };
89 
90 #endif