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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 (__GNUG__) |
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24 #pragma implementation |
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25 #endif |
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26 |
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27 #ifdef HAVE_CONFIG_H |
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28 #include <config.h> |
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29 #endif |
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30 |
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31 #include <iostream.h> |
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32 |
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33 #include "lo-ieee.h" |
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34 #include "mx-base.h" |
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35 |
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36 #include "gripes.h" |
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37 #include "oct-obj.h" |
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38 #include "ops.h" |
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39 #include "ov-base.h" |
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40 #include "ov-base-mat.h" |
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41 #include "ov-base-mat.cc" |
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42 #include "ov-complex.h" |
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43 #include "ov-cx-mat.h" |
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44 #include "ov-re-mat.h" |
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45 #include "ov-scalar.h" |
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46 #include "pr-output.h" |
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47 |
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48 template class octave_base_matrix<ComplexMatrix>; |
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49 |
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50 DEFINE_OCTAVE_ALLOCATOR (octave_complex_matrix); |
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51 |
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52 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_complex_matrix, "complex matrix"); |
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53 |
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54 octave_complex_matrix::octave_complex_matrix (const ComplexRowVector& v, |
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55 int pcv) |
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56 : octave_base_matrix<ComplexMatrix> (((pcv < 0 && Vprefer_column_vectors) |
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57 || pcv) |
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58 ? ComplexMatrix (v.transpose ()) |
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59 : ComplexMatrix (v)) { } |
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60 |
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61 octave_complex_matrix::octave_complex_matrix (const ComplexColumnVector& v, |
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62 int pcv) |
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63 : octave_base_matrix<ComplexMatrix> (((pcv < 0 && Vprefer_column_vectors) |
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64 || pcv) |
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65 ? ComplexMatrix (v) |
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66 : ComplexMatrix (v.transpose ())) { } |
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67 |
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68 octave_value * |
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69 octave_complex_matrix::try_narrowing_conversion (void) |
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70 { |
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71 octave_value *retval = 0; |
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72 |
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73 int nr = matrix.rows (); |
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74 int nc = matrix.cols (); |
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75 |
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76 if (nr == 1 && nc == 1) |
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77 { |
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78 Complex c = matrix (0, 0); |
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79 |
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80 if (imag (c) == 0.0) |
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81 retval = new octave_scalar (::real (c)); |
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82 else |
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83 retval = new octave_complex (c); |
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84 } |
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85 else if (nr == 0 && nc == 0) |
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86 retval = new octave_matrix (Matrix ()); |
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87 else if (matrix.all_elements_are_real ()) |
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88 retval = new octave_matrix (::real (matrix)); |
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89 |
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90 return retval; |
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91 } |
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92 |
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93 octave_value |
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94 octave_complex_matrix::do_index_op (const octave_value_list& idx) |
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95 { |
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96 octave_value retval; |
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97 |
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98 int len = idx.length (); |
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99 |
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100 switch (len) |
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101 { |
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102 case 2: |
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103 { |
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104 idx_vector i = idx (0).index_vector (); |
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105 idx_vector j = idx (1).index_vector (); |
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106 |
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107 retval = ComplexMatrix (matrix.index (i, j)); |
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108 } |
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109 break; |
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110 |
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111 case 1: |
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112 { |
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113 idx_vector i = idx (0).index_vector (); |
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114 |
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115 retval = ComplexMatrix (matrix.index (i)); |
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116 } |
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117 break; |
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118 |
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119 default: |
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120 error ("invalid number of indices (%d) for complex matrix value", len); |
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121 break; |
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122 } |
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123 |
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124 return retval; |
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125 } |
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126 |
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127 #if !defined (CXX_NEW_FRIEND_TEMPLATE_DECL) |
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128 extern void assign (Array2<Complex>&, const Array2<Complex>&); |
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129 #endif |
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130 |
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131 void |
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132 octave_complex_matrix::assign (const octave_value_list& idx, |
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133 const ComplexMatrix& rhs) |
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134 { |
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135 int len = idx.length (); |
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136 |
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137 switch (len) |
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138 { |
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139 case 2: |
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140 { |
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141 idx_vector i = idx (0).index_vector (); |
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142 idx_vector j = idx (1).index_vector (); |
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143 |
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144 matrix.set_index (i); |
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145 matrix.set_index (j); |
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146 |
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147 ::assign (matrix, rhs); |
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148 } |
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149 break; |
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150 |
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151 case 1: |
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152 { |
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153 idx_vector i = idx (0).index_vector (); |
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154 |
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155 matrix.set_index (i); |
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156 |
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157 ::assign (matrix, rhs); |
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158 } |
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159 break; |
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160 |
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161 default: |
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162 error ("invalid number of indices (%d) for indexed matrix assignment", |
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163 len); |
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164 break; |
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165 } |
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166 } |
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167 |
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168 #if !defined (CXX_NEW_FRIEND_TEMPLATE_DECL) |
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169 extern void assign (Array2<Complex>&, const Array2<double>&); |
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170 #endif |
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171 |
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172 void |
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173 octave_complex_matrix::assign (const octave_value_list& idx, |
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174 const Matrix& rhs) |
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175 { |
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176 int len = idx.length (); |
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177 |
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178 switch (len) |
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179 { |
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180 case 2: |
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181 { |
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182 idx_vector i = idx (0).index_vector (); |
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183 idx_vector j = idx (1).index_vector (); |
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184 |
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185 matrix.set_index (i); |
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186 matrix.set_index (j); |
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187 |
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188 ::assign (matrix, rhs); |
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189 } |
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190 break; |
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191 |
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192 case 1: |
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193 { |
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194 idx_vector i = idx (0).index_vector (); |
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195 |
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196 matrix.set_index (i); |
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197 |
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198 ::assign (matrix, rhs); |
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199 } |
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200 break; |
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201 |
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202 default: |
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203 error ("invalid number of indices (%d) for indexed matrix assignment", |
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204 len); |
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205 break; |
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206 } |
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207 } |
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208 |
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209 bool |
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210 octave_complex_matrix::valid_as_scalar_index (void) const |
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211 { |
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212 // XXX FIXME XXX |
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213 return false; |
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214 } |
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215 |
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216 bool |
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217 octave_complex_matrix::valid_as_zero_index (void) const |
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218 { |
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219 // XXX FIXME XXX |
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220 return false; |
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221 } |
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222 |
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223 bool |
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224 octave_complex_matrix::is_true (void) const |
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225 { |
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226 bool retval = false; |
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227 |
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228 if (rows () == 0 || columns () == 0) |
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229 { |
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230 int flag = Vpropagate_empty_matrices; |
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231 |
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232 if (flag < 0) |
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233 warning ("empty matrix used in conditional expression"); |
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234 else if (flag == 0) |
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235 error ("empty matrix used in conditional expression"); |
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236 } |
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237 else |
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238 { |
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239 Matrix m = (matrix.all ()) . all (); |
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240 |
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241 retval = (m.rows () == 1 && m.columns () == 1 && m (0, 0) != 0.0); |
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242 } |
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243 |
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244 return retval; |
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245 } |
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246 |
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247 double |
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248 octave_complex_matrix::double_value (bool force_conversion) const |
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249 { |
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250 double retval = octave_NaN; |
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251 |
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252 int flag = force_conversion; |
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253 |
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254 if (! flag) |
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255 flag = Vok_to_lose_imaginary_part; |
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256 |
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257 if (flag < 0) |
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258 gripe_implicit_conversion ("complex matrix", "real scalar"); |
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259 |
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260 if (flag) |
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261 { |
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262 if ((rows () == 1 && columns () == 1) |
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263 || (Vdo_fortran_indexing && rows () > 0 && columns () > 0)) |
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264 retval = ::real (matrix (0, 0)); |
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265 else |
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266 gripe_invalid_conversion ("complex matrix", "real scalar"); |
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267 } |
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268 else |
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269 gripe_invalid_conversion ("complex matrix", "real scalar"); |
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270 |
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271 return retval; |
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272 } |
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273 |
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274 Matrix |
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275 octave_complex_matrix::matrix_value (bool force_conversion) const |
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276 { |
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277 Matrix retval; |
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278 |
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279 int flag = force_conversion; |
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280 |
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281 if (! flag) |
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282 flag = Vok_to_lose_imaginary_part; |
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283 |
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284 if (flag < 0) |
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285 gripe_implicit_conversion ("complex matrix", "real matrix"); |
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286 |
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287 if (flag) |
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288 retval = ::real (matrix); |
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289 else |
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290 gripe_invalid_conversion ("complex matrix", "real matrix"); |
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291 |
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292 return retval; |
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293 } |
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294 |
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295 Complex |
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296 octave_complex_matrix::complex_value (bool) const |
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297 { |
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298 Complex retval (octave_NaN, octave_NaN); |
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299 |
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300 if ((rows () == 1 && columns () == 1) |
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301 || (Vdo_fortran_indexing && rows () > 0 && columns () > 0)) |
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302 retval = matrix (0, 0); |
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303 else |
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304 gripe_invalid_conversion ("complex matrix", "complex scalar"); |
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305 |
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306 return retval; |
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307 } |
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308 |
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309 ComplexMatrix |
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310 octave_complex_matrix::complex_matrix_value (bool) const |
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311 { |
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312 return matrix; |
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313 } |
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314 |
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315 /* |
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316 ;;; Local Variables: *** |
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317 ;;; mode: C++ *** |
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318 ;;; End: *** |
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319 */ |
