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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 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 2, or (at your option) any |
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10 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, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_SCHUR_h) |
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24 #define octave_SCHUR_h 1 |
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25 |
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26 #if defined (__GNUG__) |
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27 #pragma interface |
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28 #endif |
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29 |
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30 class ostream; |
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31 |
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32 #include <string> |
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33 |
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34 #include "dMatrix.h" |
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35 |
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36 class |
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37 SCHUR |
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38 { |
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39 public: |
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40 |
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41 SCHUR (void) |
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42 : schur_mat (), unitary_mat () { } |
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43 |
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44 SCHUR (const Matrix& a, const string& ord) |
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45 : schur_mat (), unitary_mat () |
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46 { |
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47 init (a, ord); |
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48 } |
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49 |
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50 SCHUR (const Matrix& a, const string& ord, int& info) |
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51 : schur_mat (), unitary_mat () |
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52 { |
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53 info = init (a, ord); |
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54 } |
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55 |
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56 SCHUR (const SCHUR& a) |
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57 : schur_mat (a.schur_mat), unitary_mat (a.unitary_mat) { } |
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58 |
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59 SCHUR& operator = (const SCHUR& 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 ~SCHUR (void) { } |
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70 |
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71 Matrix schur_matrix (void) const { return schur_mat; } |
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72 |
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73 Matrix unitary_matrix (void) const { return unitary_mat; } |
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74 |
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75 friend ostream& operator << (ostream& os, const SCHUR& a); |
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76 |
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77 typedef int (*select_function) (const double&, const double&); |
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78 |
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79 private: |
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80 |
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81 Matrix schur_mat; |
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82 Matrix 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 int init (const Matrix& a, const string& ord); |
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87 }; |
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88 |
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89 #endif |
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90 |
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91 /* |
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92 ;;; Local Variables: *** |
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93 ;;; mode: C++ *** |
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94 ;;; End: *** |
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95 */ |
