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2376
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1 /* |
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2 |
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3 Copyright (C) 1996 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 "lo-ieee.h" |
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32 #include "mx-base.h" |
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33 |
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34 #include "gripes.h" |
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35 #include "oct-obj.h" |
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36 #include "ov-cx-mat.h" |
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37 #include "pr-output.h" |
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38 |
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39 int octave_complex_matrix::t_id = -1; |
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40 |
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41 const string octave_complex_matrix::t_name ("complex matrix"); |
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42 |
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43 octave_complex_matrix::octave_complex_matrix (const ComplexRowVector& v, |
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44 int pcv) |
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45 : octave_base_value (), |
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46 matrix ((pcv < 0 && Vprefer_column_vectors) || pcv |
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47 ? ComplexMatrix (v.transpose ()) : ComplexMatrix (v)) { } |
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48 |
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49 octave_complex_matrix::octave_complex_matrix (const ComplexColumnVector& v, |
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50 int pcv) |
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51 : octave_base_value (), |
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52 matrix ((pcv < 0 && Vprefer_column_vectors) || pcv |
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53 ? ComplexMatrix (v) : ComplexMatrix (v.transpose ())) { } |
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54 |
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55 extern void assign (Array2<Complex>&, const Array2<Complex>&); |
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56 |
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57 octave_value |
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58 octave_complex_matrix::index (const octave_value_list& idx) const |
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59 { |
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60 octave_value retval; |
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61 |
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62 int len = idx.length (); |
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63 |
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64 switch (len) |
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65 { |
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66 case 2: |
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67 { |
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68 idx_vector i = idx (0).index_vector (); |
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69 idx_vector j = idx (1).index_vector (); |
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70 retval = ComplexMatrix (matrix.index (i, j)); |
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71 } |
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72 break; |
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73 |
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74 case 1: |
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75 { |
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76 idx_vector i = idx (0).index_vector (); |
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77 retval = ComplexMatrix (matrix.index (i)); |
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78 } |
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79 break; |
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80 |
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81 default: |
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82 error ("invalid number of indices (%d) for complex matrix value", len); |
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83 break; |
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84 } |
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85 |
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86 return retval; |
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87 } |
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88 |
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89 void |
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90 octave_complex_matrix::assign (const octave_value_list& idx, |
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91 const ComplexMatrix& rhs) |
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92 { |
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93 int len = idx.length (); |
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94 |
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95 switch (len) |
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96 { |
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97 case 2: |
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98 { |
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99 idx_vector i = idx (0).index_vector (); |
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100 idx_vector j = idx (1).index_vector (); |
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101 |
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102 matrix.set_index (i); |
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103 matrix.set_index (j); |
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104 |
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105 ::assign (matrix, rhs); |
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106 } |
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107 break; |
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108 |
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109 case 1: |
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110 { |
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111 idx_vector i = idx (0).index_vector (); |
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112 |
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113 matrix.set_index (i); |
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114 |
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115 ::assign (matrix, rhs); |
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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 indexed matrix assignment", |
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121 len); |
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122 break; |
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123 } |
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124 } |
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125 |
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126 extern void assign (Array2<Complex>&, const Array2<double>&); |
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127 |
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128 void |
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129 octave_complex_matrix::assign (const octave_value_list& idx, |
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130 const Matrix& rhs) |
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131 { |
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132 int len = idx.length (); |
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133 |
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134 switch (len) |
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135 { |
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136 case 2: |
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137 { |
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138 idx_vector i = idx (0).index_vector (); |
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139 idx_vector j = idx (1).index_vector (); |
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140 |
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141 matrix.set_index (i); |
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142 matrix.set_index (j); |
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143 |
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144 ::assign (matrix, rhs); |
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145 } |
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146 break; |
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147 |
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148 case 1: |
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149 { |
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150 idx_vector i = idx (0).index_vector (); |
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151 |
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152 matrix.set_index (i); |
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153 |
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154 ::assign (matrix, rhs); |
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155 } |
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156 break; |
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157 |
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158 default: |
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159 error ("invalid number of indices (%d) for indexed matrix assignment", |
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160 len); |
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161 break; |
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162 } |
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163 } |
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164 |
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165 bool |
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166 octave_complex_matrix::valid_as_scalar_index (void) const |
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167 { |
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168 // XXX FIXME XXX |
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169 return false; |
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170 } |
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171 |
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172 bool |
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173 octave_complex_matrix::valid_as_zero_index (void) const |
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174 { |
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175 // XXX FIXME XXX |
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176 return false; |
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177 } |
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178 |
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179 bool |
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180 octave_complex_matrix::is_true (void) const |
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181 { |
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182 bool retval = false; |
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183 |
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184 if (rows () == 0 || columns () == 0) |
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185 { |
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186 int flag = Vpropagate_empty_matrices; |
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187 |
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188 if (flag < 0) |
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189 warning ("empty matrix used in conditional expression"); |
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190 else if (flag == 0) |
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191 error ("empty matrix used in conditional expression"); |
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192 } |
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193 else |
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194 { |
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195 Matrix m = (matrix.all ()) . all (); |
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196 |
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197 retval = (m.rows () == 1 && m.columns () == 1 && m (0, 0) != 0.0); |
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198 } |
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199 |
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200 return retval; |
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201 } |
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202 |
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203 double |
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204 octave_complex_matrix::double_value (bool force_conversion) const |
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205 { |
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206 double retval = octave_NaN; |
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207 |
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208 int flag = force_conversion; |
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209 |
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210 if (! flag) |
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211 flag = Vok_to_lose_imaginary_part; |
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212 |
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213 if (flag < 0) |
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214 gripe_implicit_conversion ("complex matrix", "real scalar"); |
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215 |
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216 if (flag) |
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217 { |
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218 if ((rows () == 1 && columns () == 1) |
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219 || (Vdo_fortran_indexing && rows () > 0 && columns () > 0)) |
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220 retval = ::real (matrix (0, 0)); |
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221 else |
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222 gripe_invalid_conversion ("complex matrix", "real scalar"); |
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223 } |
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224 else |
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225 gripe_invalid_conversion ("complex matrix", "real scalar"); |
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226 |
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227 return retval; |
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228 } |
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229 |
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230 Matrix |
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231 octave_complex_matrix::matrix_value (bool force_conversion) const |
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232 { |
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233 Matrix retval; |
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234 |
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235 int flag = force_conversion; |
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236 |
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237 if (! flag) |
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238 flag = Vok_to_lose_imaginary_part; |
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239 |
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240 if (flag < 0) |
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241 gripe_implicit_conversion ("complex matrix", "real matrix"); |
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242 |
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243 if (flag) |
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244 retval = ::real (matrix); |
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245 else |
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246 gripe_invalid_conversion ("complex matrix", "real matrix"); |
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247 |
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248 return retval; |
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249 } |
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250 |
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251 Complex |
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252 octave_complex_matrix::complex_value (bool) const |
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253 { |
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254 Complex retval (octave_NaN, octave_NaN); |
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255 |
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256 if ((rows () == 1 && columns () == 1) |
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257 || (Vdo_fortran_indexing && rows () > 0 && columns () > 0)) |
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258 retval = matrix (0, 0); |
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259 else |
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260 gripe_invalid_conversion ("complex matrix", "complex scalar"); |
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261 |
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262 return retval; |
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263 } |
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264 |
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265 ComplexMatrix |
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266 octave_complex_matrix::complex_matrix_value (bool) const |
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267 { |
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268 return matrix; |
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269 } |
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270 |
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271 void |
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272 octave_complex_matrix::print (ostream& os) |
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273 { |
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274 octave_print_internal (os, matrix, false, struct_indent); |
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275 } |
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276 |
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277 /* |
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278 ;;; Local Variables: *** |
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279 ;;; mode: C++ *** |
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280 ;;; End: *** |
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281 */ |
