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1 // -*- C++ -*- |
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2 /* |
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3 |
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4 Copyright (C) 1992, 1993, 1994, 1995 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, 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 |
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22 */ |
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23 |
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24 #if !defined (octave_ComplexDiagMatrix_h) |
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25 #define octave_ComplexDiagMatrix_h 1 |
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26 |
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27 #include "Array.h" |
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28 |
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29 #include "dRowVector.h" |
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30 #include "CRowVector.h" |
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31 #include "dColVector.h" |
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32 #include "CColVector.h" |
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33 |
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34 #include "mx-defs.h" |
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35 |
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36 extern "C++" { |
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37 |
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38 class ComplexDiagMatrix : public DiagArray<Complex> |
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39 { |
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40 friend DiagMatrix; |
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41 |
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42 public: |
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43 |
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44 ComplexDiagMatrix (void) : DiagArray<Complex> () { } |
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45 ComplexDiagMatrix (int n) : DiagArray<Complex> (n) { } |
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46 ComplexDiagMatrix (int n, const Complex& val) |
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47 : DiagArray<Complex> (n, val) { } |
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48 ComplexDiagMatrix (int r, int c) : DiagArray<Complex> (r, c) { } |
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49 ComplexDiagMatrix (int r, int c, const Complex& val) |
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50 : DiagArray<Complex> (r, c, val) { } |
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51 ComplexDiagMatrix (const RowVector& a); |
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52 ComplexDiagMatrix (const ComplexRowVector& a) : DiagArray<Complex> (a) { } |
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53 ComplexDiagMatrix (const ColumnVector& a); |
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54 ComplexDiagMatrix (const ComplexColumnVector& a) |
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55 : DiagArray<Complex> (a) { } |
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56 ComplexDiagMatrix (const DiagMatrix& a); |
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57 ComplexDiagMatrix (const DiagArray<Complex>& a) |
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58 : DiagArray<Complex> (a) { } |
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59 ComplexDiagMatrix (const ComplexDiagMatrix& a) : DiagArray<Complex> (a) { } |
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60 // ComplexDiagMatrix (const Complex& a) : DiagArray<Complex> (1, a) { } |
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61 |
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62 ComplexDiagMatrix& operator = (const ComplexDiagMatrix& a) |
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63 { |
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64 DiagArray<Complex>::operator = (a); |
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65 return *this; |
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66 } |
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67 |
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68 // operator DiagArray<Complex>& () const { return *this; } |
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69 |
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70 int operator == (const ComplexDiagMatrix& a) const; |
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71 int operator != (const ComplexDiagMatrix& a) const; |
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72 |
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73 ComplexDiagMatrix& fill (double val); |
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74 ComplexDiagMatrix& fill (const Complex& val); |
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75 ComplexDiagMatrix& fill (double val, int beg, int end); |
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76 ComplexDiagMatrix& fill (const Complex& val, int beg, int end); |
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77 ComplexDiagMatrix& fill (const ColumnVector& a); |
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78 ComplexDiagMatrix& fill (const ComplexColumnVector& a); |
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79 ComplexDiagMatrix& fill (const RowVector& a); |
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80 ComplexDiagMatrix& fill (const ComplexRowVector& a); |
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81 ComplexDiagMatrix& fill (const ColumnVector& a, int beg); |
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82 ComplexDiagMatrix& fill (const ComplexColumnVector& a, int beg); |
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83 ComplexDiagMatrix& fill (const RowVector& a, int beg); |
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84 ComplexDiagMatrix& fill (const ComplexRowVector& a, int beg); |
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85 |
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86 ComplexDiagMatrix hermitian (void) const; // complex conjugate transpose |
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87 ComplexDiagMatrix transpose (void) const; |
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88 |
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89 friend DiagMatrix real (const ComplexDiagMatrix& a); |
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90 friend DiagMatrix imag (const ComplexDiagMatrix& a); |
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91 friend ComplexDiagMatrix conj (const ComplexDiagMatrix& a); |
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92 |
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93 // resize is the destructive analog for this one |
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94 |
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95 ComplexMatrix extract (int r1, int c1, int r2, int c2) const; |
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96 |
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97 // extract row or column i. |
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98 |
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99 ComplexRowVector row (int i) const; |
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100 ComplexRowVector row (char *s) const; |
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101 |
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102 ComplexColumnVector column (int i) const; |
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103 ComplexColumnVector column (char *s) const; |
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104 |
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105 ComplexDiagMatrix inverse (int& info) const; |
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106 ComplexDiagMatrix inverse (void) const; |
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107 |
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108 // diagonal matrix by diagonal matrix -> diagonal matrix operations |
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109 |
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110 ComplexDiagMatrix& operator += (const DiagMatrix& a); |
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111 ComplexDiagMatrix& operator -= (const DiagMatrix& a); |
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112 |
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113 ComplexDiagMatrix& operator += (const ComplexDiagMatrix& a); |
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114 ComplexDiagMatrix& operator -= (const ComplexDiagMatrix& a); |
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115 |
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116 // diagonal matrix by scalar -> matrix operations |
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117 |
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118 friend ComplexMatrix operator + (const ComplexDiagMatrix& a, double s); |
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119 friend ComplexMatrix operator - (const ComplexDiagMatrix& a, double s); |
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120 |
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121 friend ComplexMatrix operator + (const ComplexDiagMatrix& a, |
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122 const Complex& s); |
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123 friend ComplexMatrix operator - (const ComplexDiagMatrix& a, |
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124 const Complex& s); |
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125 |
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126 // diagonal matrix by scalar -> diagonal matrix operations |
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127 |
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128 friend ComplexDiagMatrix operator * (const ComplexDiagMatrix& a, double s); |
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129 friend ComplexDiagMatrix operator / (const ComplexDiagMatrix& a, double s); |
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130 |
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131 // scalar by diagonal matrix -> matrix operations |
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132 |
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133 friend ComplexMatrix operator + (double s, const ComplexDiagMatrix& a); |
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134 friend ComplexMatrix operator - (double s, const ComplexDiagMatrix& a); |
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135 |
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136 friend ComplexMatrix operator + (const Complex& s, |
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137 const ComplexDiagMatrix& a); |
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138 friend ComplexMatrix operator - (const Complex& s, |
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139 const ComplexDiagMatrix& a); |
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140 |
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141 // scalar by diagonal matrix -> diagonal matrix operations |
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142 |
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143 friend ComplexDiagMatrix operator * (double s, const ComplexDiagMatrix& a); |
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144 |
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145 // diagonal matrix by column vector -> column vector operations |
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146 |
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147 friend ComplexColumnVector operator * (const ComplexDiagMatrix& a, |
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148 const ColumnVector& b); |
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149 |
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150 friend ComplexColumnVector operator * (const ComplexDiagMatrix& a, |
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151 const ComplexColumnVector& b); |
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152 |
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153 // diagonal matrix by diagonal matrix -> diagonal matrix operations |
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154 |
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155 friend ComplexDiagMatrix operator * (const ComplexDiagMatrix& a, |
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156 const ComplexDiagMatrix& b); |
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157 |
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158 friend ComplexDiagMatrix operator + (const ComplexDiagMatrix& a, |
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159 const DiagMatrix& b); |
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160 friend ComplexDiagMatrix operator - (const ComplexDiagMatrix& a, |
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161 const DiagMatrix& b); |
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162 friend ComplexDiagMatrix operator * (const ComplexDiagMatrix& a, |
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163 const DiagMatrix& b); |
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164 |
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165 friend ComplexDiagMatrix product (const ComplexDiagMatrix& a, |
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166 const DiagMatrix& b); |
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167 |
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168 // diagonal matrix by matrix -> matrix operations |
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169 |
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170 friend ComplexMatrix operator + (const ComplexDiagMatrix& a, |
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171 const Matrix& b); |
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172 friend ComplexMatrix operator - (const ComplexDiagMatrix& a, |
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173 const Matrix& b); |
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174 friend ComplexMatrix operator * (const ComplexDiagMatrix& a, |
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175 const Matrix& b); |
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176 |
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177 friend ComplexMatrix operator + (const ComplexDiagMatrix& a, |
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178 const ComplexMatrix& b); |
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179 friend ComplexMatrix operator - (const ComplexDiagMatrix& a, |
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180 const ComplexMatrix& b); |
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181 friend ComplexMatrix operator * (const ComplexDiagMatrix& a, |
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182 const ComplexMatrix& b); |
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183 |
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184 // other operations |
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185 |
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186 ComplexColumnVector diag (void) const; |
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187 ComplexColumnVector diag (int k) const; |
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188 |
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189 // i/o |
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190 |
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191 friend ostream& operator << (ostream& os, const ComplexDiagMatrix& a); |
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192 |
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193 #define KLUDGE_DIAG_MATRICES |
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194 #define TYPE Complex |
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195 #define KL_DMAT_TYPE ComplexDiagMatrix |
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196 #include "mx-kludge.h" |
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197 #undef KLUDGE_DIAG_MATRICES |
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198 #undef TYPE |
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199 #undef KL_DMAT_TYPE |
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200 |
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201 private: |
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202 |
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203 ComplexDiagMatrix (Complex *d, int nr, int nc) |
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204 : DiagArray<Complex> (d, nr, nc) { } |
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205 }; |
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206 |
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207 } // extern "C++" |
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208 |
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209 #endif |
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210 |
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211 /* |
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212 ;;; Local Variables: *** |
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213 ;;; mode: C++ *** |
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214 ;;; page-delimiter: "^/\\*" *** |
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215 ;;; End: *** |
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216 */ |
