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annotate liboctave/fEIG.h @ 14138:72c96de7a403 stable

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maint: update copyright notices for 2012
author John W. Eaton <jwe@octave.org>
date Mon, 02 Jan 2012 14:25:41 -0500
parents fd0a3ac60b0e
children
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1 /*
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2
14138
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3 Copyright (C) 1994-2012 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_float_EIG_h)
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24 #define octave_float_EIG_h 1
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25
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26 #include <iosfwd>
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27
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28 #include "fMatrix.h"
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29 #include "fCMatrix.h"
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30 #include "fCColVector.h"
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31
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32 class
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33 OCTAVE_API
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34 FloatEIG
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35 {
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36 friend class FloatMatrix;
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37 friend class FloatComplexMatrix;
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38
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39 public:
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40
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41 FloatEIG (void)
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42 : lambda (), v () { }
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43
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44 FloatEIG (const FloatMatrix& a, bool calc_eigenvectors = true)
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45 : lambda (), v ()
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46 {
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47 init (a, calc_eigenvectors);
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48 }
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49
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50 FloatEIG (const FloatMatrix& a, octave_idx_type& info,
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51 bool calc_eigenvectors = true)
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52 : lambda (), v ()
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53 {
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54 info = init (a, calc_eigenvectors);
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55 }
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56
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57 FloatEIG (const FloatMatrix& a, const FloatMatrix& b,
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58 bool calc_eigenvectors = true)
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59 : lambda (), v ()
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60 {
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61 init (a, b, calc_eigenvectors);
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62 }
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63
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64 FloatEIG (const FloatMatrix& a, const FloatMatrix& b, octave_idx_type& info,
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65 bool calc_eigenvectors = true)
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66 : lambda (), v ()
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67 {
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68 info = init (a, b, calc_eigenvectors);
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69 }
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70
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71 FloatEIG (const FloatComplexMatrix& a, bool calc_eigenvectors = true)
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72 : lambda (), v ()
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73 {
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74 init (a, calc_eigenvectors);
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75 }
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76
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77 FloatEIG (const FloatComplexMatrix& a, octave_idx_type& info,
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78 bool calc_eigenvectors = true)
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79 : lambda (), v ()
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80 {
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81 info = init (a, calc_eigenvectors);
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82 }
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83
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84 FloatEIG (const FloatComplexMatrix& a, const FloatComplexMatrix& b,
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85 bool calc_eigenvectors = true)
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86 : lambda (), v ()
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87 {
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88 init (a, b, calc_eigenvectors);
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89 }
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90
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91 FloatEIG (const FloatComplexMatrix& a, const FloatComplexMatrix& b,
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92 octave_idx_type& info, bool calc_eigenvectors = true)
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93 : lambda (), v ()
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94 {
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95 info = init (a, b, calc_eigenvectors);
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96 }
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97
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98 FloatEIG (const FloatEIG& a) : lambda (a.lambda), v (a.v) { }
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99
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100 FloatEIG& operator = (const FloatEIG& a)
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101 {
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102 if (this != &a)
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103 {
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104 lambda = a.lambda;
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105 v = a.v;
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106 }
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107 return *this;
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108 }
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109
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110 ~FloatEIG (void) { }
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111
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112 FloatComplexColumnVector eigenvalues (void) const { return lambda; }
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113
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114 FloatComplexMatrix eigenvectors (void) const { return v; }
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115
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116 friend std::ostream& operator << (std::ostream& os, const FloatEIG& a);
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117
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118 private:
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119
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120 FloatComplexColumnVector lambda;
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121 FloatComplexMatrix v;
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122
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123 octave_idx_type init (const FloatMatrix& a, bool calc_eigenvectors);
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124 octave_idx_type init (const FloatMatrix& a, const FloatMatrix& b, bool calc_eigenvectors);
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125 octave_idx_type init (const FloatComplexMatrix& a, bool calc_eigenvectors);
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126 octave_idx_type init (const FloatComplexMatrix& a, const FloatComplexMatrix& b, bool calc_eigenvectors);
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127
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128 octave_idx_type symmetric_init (const FloatMatrix& a, bool calc_eigenvectors);
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129 octave_idx_type symmetric_init (const FloatMatrix& a, const FloatMatrix& b, bool calc_eigenvectors);
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130 octave_idx_type hermitian_init (const FloatComplexMatrix& a, bool calc_eigenvectors);
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131 octave_idx_type hermitian_init (const FloatComplexMatrix& a, const FloatComplexMatrix& b, bool calc_eigenvectors);
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132 };
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133
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134 #endif