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annotate liboctave/floatSCHUR.h @ 12583:bb29b58e650c release-3-4-x

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abandon release-3-4-x branch in favor of workflow using stable and default branches and merging stable to default periodically
author John W. Eaton <jwe@octave.org>
date Fri, 08 Apr 2011 09:06:04 -0400
parents 12df7854fa7c
children 72c96de7a403
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1 /*
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2
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3 Copyright (C) 1994-2011 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #if !defined (octave_FloatSCHUR_h)
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24 #define octave_FloatSCHUR_h 1
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25
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26 #include <iosfwd>
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27 #include <string>
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28
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29 #include "fMatrix.h"
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30
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31 class
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32 OCTAVE_API
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33 FloatSCHUR
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34 {
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35 public:
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36
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37 FloatSCHUR (void) : schur_mat (), unitary_mat (), selector (0) { }
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38
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39 FloatSCHUR (const FloatMatrix& a, const std::string& ord,
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40 bool calc_unitary = true)
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41 : schur_mat (), unitary_mat (), selector (0)
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42 {
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43 init (a, ord, calc_unitary);
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44 }
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45
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46 FloatSCHUR (const FloatMatrix& a, const std::string& ord, int& info,
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47 bool calc_unitary = true)
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48 : schur_mat (), unitary_mat (), selector (0)
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49 {
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50 info = init (a, ord, calc_unitary);
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51 }
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52
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53 FloatSCHUR (const FloatSCHUR& a)
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54 : schur_mat (a.schur_mat), unitary_mat (a.unitary_mat), selector (0)
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55 { }
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56
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57 FloatSCHUR (const FloatMatrix& s, const FloatMatrix& u);
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58
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59 FloatSCHUR& operator = (const FloatSCHUR& a)
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60 {
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61 if (this != &a)
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62 {
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63 schur_mat = a.schur_mat;
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64 unitary_mat = a.unitary_mat;
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65 }
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66 return *this;
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67 }
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68
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69 ~FloatSCHUR (void) { }
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70
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71 FloatMatrix schur_matrix (void) const { return schur_mat; }
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72
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73 FloatMatrix unitary_matrix (void) const { return unitary_mat; }
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74
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75 friend std::ostream& operator << (std::ostream& os, const FloatSCHUR& a);
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76
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77 typedef octave_idx_type (*select_function) (const float&, const float&);
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78
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79 private:
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80
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81 FloatMatrix schur_mat;
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82 FloatMatrix unitary_mat;
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83
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84 select_function selector;
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85
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86 octave_idx_type init (const FloatMatrix& a, const std::string& ord, bool calc_unitary);
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87 };
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88
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89 #endif