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annotate liboctave/numeric/EIG.h @ 17296:3a9efb68272d ss-3-7-6

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snapshot 3.7.6 * configure.ac (OCTAVE_VERSION): Bump to 3.7.6.
author John W. Eaton <jwe@octave.org>
date Tue, 20 Aug 2013 15:17:54 -0400
parents 648dabbb4c6b
children d63878346099
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1 /*
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2
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72c96de7a403 maint: update copyright notices for 2012
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3 Copyright (C) 1994-2012 John W. Eaton
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4
07fabd96ac6a [project @ 1994-06-06 00:58:18 by jwe]
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5 This file is part of Octave.
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6
07fabd96ac6a [project @ 1994-06-06 00:58:18 by jwe]
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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
07fabd96ac6a [project @ 1994-06-06 00:58:18 by jwe]
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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
07fabd96ac6a [project @ 1994-06-06 00:58:18 by jwe]
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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
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
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19 <http://www.gnu.org/licenses/>.
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07fabd96ac6a [project @ 1994-06-06 00:58:18 by jwe]
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21 */
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22
07fabd96ac6a [project @ 1994-06-06 00:58:18 by jwe]
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23 #if !defined (octave_EIG_h)
07fabd96ac6a [project @ 1994-06-06 00:58:18 by jwe]
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24 #define octave_EIG_h 1
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25
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26 #include <iosfwd>
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28 #include "dMatrix.h"
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29 #include "CMatrix.h"
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30 #include "CColVector.h"
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31
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32 class
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33 OCTAVE_API
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34 EIG
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35 {
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36 friend class Matrix;
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37 friend class ComplexMatrix;
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38
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39 public:
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40
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41 EIG (void) : lambda (), v () { }
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42
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43 EIG (const Matrix& a, bool calc_eigenvectors = true)
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44 : lambda (), v ()
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45 {
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46 init (a, calc_eigenvectors);
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47 }
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49 EIG (const Matrix& a, octave_idx_type& info, bool calc_eigenvectors = true)
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50 : lambda (), v ()
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51 {
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52 info = init (a, calc_eigenvectors);
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53 }
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54
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55 EIG (const Matrix& a, const Matrix& b, bool calc_eigenvectors = true)
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56 : lambda (), v ()
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57 {
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58 init (a, b, calc_eigenvectors);
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59 }
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61 EIG (const Matrix& a, const Matrix& b, octave_idx_type& info,
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62 bool calc_eigenvectors = true)
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63 : lambda (), v ()
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64 {
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65 info = init (a, b, calc_eigenvectors);
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66 }
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67
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68 EIG (const ComplexMatrix& a, bool calc_eigenvectors = true)
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69 : lambda (), v ()
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70 {
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71 init (a, calc_eigenvectors);
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72 }
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74 EIG (const ComplexMatrix& a, octave_idx_type& info,
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75 bool calc_eigenvectors = true)
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76 : lambda (), v ()
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77 {
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78 info = init (a, calc_eigenvectors);
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79 }
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81 EIG (const ComplexMatrix& a, const ComplexMatrix& b,
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82 bool calc_eigenvectors = true)
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83 : lambda (), v ()
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84 {
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85 init (a, b, calc_eigenvectors);
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86 }
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87
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88 EIG (const ComplexMatrix& a, const ComplexMatrix& b,
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89 octave_idx_type& info, bool calc_eigenvectors = true)
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90 : lambda (), v ()
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91 {
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92 info = init (a, b, calc_eigenvectors);
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93 }
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94
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95 EIG (const EIG& a)
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96 : lambda (a.lambda), v (a.v) { }
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97
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98 EIG& operator = (const EIG& a)
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99 {
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100 if (this != &a)
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101 {
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102 lambda = a.lambda;
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103 v = a.v;
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104 }
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105 return *this;
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106 }
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107
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108 ~EIG (void) { }
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109
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110 ComplexColumnVector eigenvalues (void) const { return lambda; }
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111
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112 ComplexMatrix eigenvectors (void) const { return v; }
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113
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114 friend std::ostream& operator << (std::ostream& os, const EIG& a);
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115
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116 private:
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117
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118 ComplexColumnVector lambda;
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119 ComplexMatrix v;
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120
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121 octave_idx_type init (const Matrix& a, bool calc_eigenvectors);
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122
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123 octave_idx_type init (const Matrix& a, const Matrix& b,
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124 bool calc_eigenvectors);
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125
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126 octave_idx_type init (const ComplexMatrix& a, bool calc_eigenvectors);
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127
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128 octave_idx_type init (const ComplexMatrix& a, const ComplexMatrix& b,
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129 bool calc_eigenvectors);
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130
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131 octave_idx_type symmetric_init (const Matrix& a, bool calc_eigenvectors);
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132
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133 octave_idx_type symmetric_init (const Matrix& a, const Matrix& b,
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134 bool calc_eigenvectors);
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135
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136 octave_idx_type hermitian_init (const ComplexMatrix& a,
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137 bool calc_eigenvectors);
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138
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139 octave_idx_type hermitian_init (const ComplexMatrix& a,
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140 const ComplexMatrix& b,
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141 bool calc_eigenvectors);
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142
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143 };
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144
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145 #endif