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1 /* |
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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_Matrix_int_h) |
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24 #define octave_Matrix_int_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 #include "MArray2.h" |
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31 #include "MDiagArray2.h" |
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32 |
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33 #include "mx-defs.h" |
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34 #include "mx-op-defs.h" |
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35 |
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36 #include "data-conv.h" |
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37 #include "mach-info.h" |
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38 |
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39 class |
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40 Matrix : public MArray2<double> |
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41 { |
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42 public: |
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43 |
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44 typedef void (*solve_singularity_handler) (double rcond); |
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45 |
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46 Matrix (void) : MArray2<double> () { } |
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47 |
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48 Matrix (int r, int c) : MArray2<double> (r, c) { } |
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49 |
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50 Matrix (int r, int c, double val) : MArray2<double> (r, c, val) { } |
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51 |
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52 Matrix (const Matrix& a) : MArray2<double> (a) { } |
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53 |
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54 Matrix (const MArray2<double>& a) : MArray2<double> (a) { } |
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55 |
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56 explicit Matrix (const RowVector& rv); |
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57 |
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58 explicit Matrix (const ColumnVector& cv); |
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59 |
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60 explicit Matrix (const DiagMatrix& a); |
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61 |
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62 explicit Matrix (const boolMatrix& a); |
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63 |
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64 explicit Matrix (const charMatrix& a); |
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65 |
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66 Matrix& operator = (const Matrix& a) |
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67 { |
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68 MArray2<double>::operator = (a); |
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69 return *this; |
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70 } |
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71 |
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72 bool operator == (const Matrix& a) const; |
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73 bool operator != (const Matrix& a) const; |
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74 |
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75 bool is_symmetric (void) const; |
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76 |
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77 // destructive insert/delete/reorder operations |
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78 |
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79 Matrix& insert (const Matrix& a, int r, int c); |
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80 Matrix& insert (const RowVector& a, int r, int c); |
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81 Matrix& insert (const ColumnVector& a, int r, int c); |
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82 Matrix& insert (const DiagMatrix& a, int r, int c); |
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83 |
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84 Matrix& fill (double val); |
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85 Matrix& fill (double val, int r1, int c1, int r2, int c2); |
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86 |
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87 Matrix append (const Matrix& a) const; |
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88 Matrix append (const RowVector& a) const; |
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89 Matrix append (const ColumnVector& a) const; |
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90 Matrix append (const DiagMatrix& a) const; |
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91 |
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92 Matrix stack (const Matrix& a) const; |
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93 Matrix stack (const RowVector& a) const; |
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94 Matrix stack (const ColumnVector& a) const; |
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95 Matrix stack (const DiagMatrix& a) const; |
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96 |
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97 friend Matrix real (const ComplexMatrix& a); |
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98 friend Matrix imag (const ComplexMatrix& a); |
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99 |
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100 Matrix transpose (void) const { return MArray2<double>::transpose (); } |
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101 |
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102 // resize is the destructive equivalent for this one |
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103 |
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104 Matrix extract (int r1, int c1, int r2, int c2) const; |
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105 |
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106 // extract row or column i. |
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107 |
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108 RowVector row (int i) const; |
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109 RowVector row (char *s) const; |
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110 |
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111 ColumnVector column (int i) const; |
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112 ColumnVector column (char *s) const; |
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113 |
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114 Matrix inverse (void) const; |
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115 Matrix inverse (int& info) const; |
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116 Matrix inverse (int& info, double& rcond, int force = 0) const; |
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117 |
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118 Matrix pseudo_inverse (double tol = 0.0); |
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119 |
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120 ComplexMatrix fourier (void) const; |
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121 ComplexMatrix ifourier (void) const; |
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122 |
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123 ComplexMatrix fourier2d (void) const; |
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124 ComplexMatrix ifourier2d (void) const; |
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125 |
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126 DET determinant (void) const; |
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127 DET determinant (int& info) const; |
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128 DET determinant (int& info, double& rcond) const; |
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129 |
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130 Matrix solve (const Matrix& b) const; |
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131 Matrix solve (const Matrix& b, int& info) const; |
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132 Matrix solve (const Matrix& b, int& info, double& rcond) const; |
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133 Matrix solve (const Matrix& b, int& info, double& rcond, |
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134 solve_singularity_handler sing_handler) const; |
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135 |
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136 ComplexMatrix solve (const ComplexMatrix& b) const; |
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137 ComplexMatrix solve (const ComplexMatrix& b, int& info) const; |
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138 ComplexMatrix solve (const ComplexMatrix& b, int& info, double& rcond) const; |
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139 ComplexMatrix solve (const ComplexMatrix& b, int& info, double& rcond, |
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140 solve_singularity_handler sing_handler) const; |
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141 |
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142 ColumnVector solve (const ColumnVector& b) const; |
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143 ColumnVector solve (const ColumnVector& b, int& info) const; |
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144 ColumnVector solve (const ColumnVector& b, int& info, double& rcond) const; |
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145 ColumnVector solve (const ColumnVector& b, int& info, double& rcond, |
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146 solve_singularity_handler sing_handler) const; |
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147 |
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148 ComplexColumnVector solve (const ComplexColumnVector& b) const; |
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149 ComplexColumnVector solve (const ComplexColumnVector& b, int& info) const; |
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150 ComplexColumnVector solve (const ComplexColumnVector& b, int& info, |
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151 double& rcond) const; |
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152 ComplexColumnVector solve (const ComplexColumnVector& b, int& info, |
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153 double& rcond, |
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154 solve_singularity_handler sing_handler) const; |
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155 |
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156 Matrix lssolve (const Matrix& b) const; |
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157 Matrix lssolve (const Matrix& b, int& info) const; |
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158 Matrix lssolve (const Matrix& b, int& info, int& rank) const; |
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159 |
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160 ComplexMatrix lssolve (const ComplexMatrix& b) const; |
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161 ComplexMatrix lssolve (const ComplexMatrix& b, int& info) const; |
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162 ComplexMatrix lssolve (const ComplexMatrix& b, int& info, |
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163 int& rank) const; |
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164 |
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165 ColumnVector lssolve (const ColumnVector& b) const; |
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166 ColumnVector lssolve (const ColumnVector& b, int& info) const; |
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167 ColumnVector lssolve (const ColumnVector& b, int& info, int& rank) const; |
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168 |
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169 ComplexColumnVector lssolve (const ComplexColumnVector& b) const; |
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170 ComplexColumnVector lssolve (const ComplexColumnVector& b, int& info) const; |
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171 ComplexColumnVector lssolve (const ComplexColumnVector& b, int& info, |
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172 int& rank) const; |
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173 |
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174 Matrix expm (void) const; |
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175 |
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176 Matrix& operator += (const DiagMatrix& a); |
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177 Matrix& operator -= (const DiagMatrix& a); |
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178 |
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179 // unary operations |
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180 |
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181 boolMatrix operator ! (void) const; |
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182 |
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183 // column vector by row vector -> matrix operations |
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184 |
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185 friend Matrix operator * (const ColumnVector& a, const RowVector& b); |
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186 |
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187 // other operations |
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188 |
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189 Matrix map (d_d_Mapper f) const; |
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190 boolMatrix map (b_d_Mapper f) const; |
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191 |
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192 Matrix& apply (d_d_Mapper f); |
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193 |
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194 bool any_element_is_negative (void) const; |
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195 bool any_element_is_inf_or_nan (void) const; |
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196 bool all_elements_are_int_or_inf_or_nan (void) const; |
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197 bool all_integers (double& max_val, double& min_val) const; |
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198 bool too_large_for_float (void) const; |
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199 |
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200 boolMatrix all (int dim = 0) const; |
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201 boolMatrix any (int dim = 0) const; |
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202 |
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203 Matrix cumprod (int dim = 0) const; //optional dimension argument |
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204 Matrix cumsum (int dim = 0) const; |
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205 Matrix prod (int dim = 0) const; |
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206 Matrix sum (int dim = 0) const; |
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207 Matrix sumsq (int dim = 0) const; |
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208 Matrix abs (void) const; |
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209 |
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210 ColumnVector diag (void) const; |
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211 ColumnVector diag (int k) const; |
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212 |
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213 ColumnVector row_min (void) const; |
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214 ColumnVector row_max (void) const; |
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215 |
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216 ColumnVector row_min (Array<int>& index) const; |
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217 ColumnVector row_max (Array<int>& index) const; |
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218 |
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219 RowVector column_min (void) const; |
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220 RowVector column_max (void) const; |
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221 |
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222 RowVector column_min (Array<int>& index) const; |
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223 RowVector column_max (Array<int>& index) const; |
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224 |
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225 // i/o |
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226 |
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227 friend std::ostream& operator << (std::ostream& os, const Matrix& a); |
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228 friend std::istream& operator >> (std::istream& is, Matrix& a); |
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229 |
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230 int read (std::istream& is, int nr, int nc, oct_data_conv::data_type dt, |
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231 int skip, oct_mach_info::float_format flt_fmt); |
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232 |
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233 int write (std::ostream& os, oct_data_conv::data_type dt, int skip, |
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234 oct_mach_info::float_format flt_fmt); |
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235 |
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236 static double resize_fill_value (void) { return 0; } |
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237 |
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238 private: |
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239 |
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240 Matrix (double *d, int r, int c) : MArray2<double> (d, r, c) { } |
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241 }; |
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242 |
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243 extern Matrix Givens (double, double); |
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244 |
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245 extern Matrix Sylvester (const Matrix&, const Matrix&, const Matrix&); |
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246 |
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247 extern Matrix operator * (const Matrix& a, const Matrix& b); |
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248 |
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249 MS_CMP_OP_DECLS (Matrix, double) |
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250 MS_BOOL_OP_DECLS (Matrix, double) |
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251 |
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252 SM_CMP_OP_DECLS (double, Matrix) |
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253 SM_BOOL_OP_DECLS (double, Matrix) |
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254 |
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255 MM_CMP_OP_DECLS (Matrix, Matrix) |
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256 MM_BOOL_OP_DECLS (Matrix, Matrix) |
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257 |
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258 MARRAY_FORWARD_DEFS (MArray2, Matrix, double) |
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259 |
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260 template <class T> |
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261 void read_int (std::istream& is, bool swap_bytes, T& val); |
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262 |
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263 #endif |
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264 |
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265 /* |
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266 ;;; Local Variables: *** |
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267 ;;; mode: C++ *** |
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268 ;;; End: *** |
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269 */ |
