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1 // -*- C++ -*- |
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2 /* |
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3 |
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4 Copyright (C) 1996 John W. Eaton |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 2, or (at your option) any |
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11 later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, write to the Free |
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20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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21 |
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22 */ |
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23 |
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24 #if !defined (octave_SCHUR_h) |
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25 #define octave_SCHUR_h 1 |
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26 |
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27 #if defined (__GNUG__) |
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28 #pragma interface |
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29 #endif |
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30 |
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31 class ostream; |
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32 |
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33 #include <string> |
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34 |
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35 #include "dMatrix.h" |
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36 |
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37 class |
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38 SCHUR |
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39 { |
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40 public: |
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41 |
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42 SCHUR (void) |
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43 : schur_mat (), unitary_mat () { } |
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44 |
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45 SCHUR (const Matrix& a, const string& ord) |
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46 : schur_mat (), unitary_mat () |
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47 { |
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48 init (a, ord); |
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49 } |
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50 |
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51 SCHUR (const Matrix& a, const string& ord, int& info) |
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52 : schur_mat (), unitary_mat () |
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53 { |
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54 info = init (a, ord); |
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55 } |
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56 |
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57 SCHUR (const SCHUR& a) |
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58 : schur_mat (a.schur_mat), unitary_mat (a.unitary_mat) { } |
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59 |
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60 SCHUR& operator = (const SCHUR& a) |
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61 { |
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62 if (this != &a) |
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63 { |
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64 schur_mat = a.schur_mat; |
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65 unitary_mat = a.unitary_mat; |
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66 } |
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67 return *this; |
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68 } |
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69 |
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70 ~SCHUR (void) { } |
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71 |
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72 Matrix schur_matrix (void) const { return schur_mat; } |
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73 |
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74 Matrix unitary_matrix (void) const { return unitary_mat; } |
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75 |
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76 friend ostream& operator << (ostream& os, const SCHUR& a); |
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77 |
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78 typedef int (*select_function) (const double&, const double&); |
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79 |
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80 private: |
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81 |
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82 Matrix schur_mat; |
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83 Matrix unitary_mat; |
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84 |
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85 select_function selector; |
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86 |
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87 int init (const Matrix& a, const string& ord); |
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88 }; |
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89 |
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90 #endif |
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91 |
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92 /* |
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93 ;;; Local Variables: *** |
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94 ;;; mode: C++ *** |
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95 ;;; page-delimiter: "^/\\*" *** |
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96 ;;; End: *** |
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97 */ |
