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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 |
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71 retval = ComplexMatrix (matrix.index (i, j)); |
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72 } |
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73 break; |
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74 |
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75 case 1: |
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76 { |
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77 idx_vector i = idx (0).index_vector (); |
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78 |
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79 retval = ComplexMatrix (matrix.index (i)); |
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80 } |
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81 break; |
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82 |
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83 default: |
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84 error ("invalid number of indices (%d) for complex matrix value", len); |
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85 break; |
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86 } |
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87 |
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88 return retval; |
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89 } |
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90 |
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91 void |
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92 octave_complex_matrix::assign (const octave_value_list& idx, |
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93 const ComplexMatrix& rhs) |
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94 { |
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95 int len = idx.length (); |
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96 |
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97 switch (len) |
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98 { |
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99 case 2: |
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100 { |
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101 idx_vector i = idx (0).index_vector (); |
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102 idx_vector j = idx (1).index_vector (); |
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103 |
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104 matrix.set_index (i); |
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105 matrix.set_index (j); |
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106 |
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107 ::assign (matrix, rhs); |
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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 matrix.set_index (i); |
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116 |
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117 ::assign (matrix, rhs); |
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118 } |
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119 break; |
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120 |
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121 default: |
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122 error ("invalid number of indices (%d) for indexed matrix assignment", |
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123 len); |
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124 break; |
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125 } |
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126 } |
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127 |
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128 extern void assign (Array2<Complex>&, const Array2<double>&); |
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129 |
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130 void |
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131 octave_complex_matrix::assign (const octave_value_list& idx, |
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132 const Matrix& rhs) |
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133 { |
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134 int len = idx.length (); |
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135 |
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136 switch (len) |
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137 { |
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138 case 2: |
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139 { |
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140 idx_vector i = idx (0).index_vector (); |
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141 idx_vector j = idx (1).index_vector (); |
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142 |
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143 matrix.set_index (i); |
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144 matrix.set_index (j); |
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145 |
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146 ::assign (matrix, rhs); |
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147 } |
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148 break; |
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149 |
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150 case 1: |
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151 { |
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152 idx_vector i = idx (0).index_vector (); |
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153 |
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154 matrix.set_index (i); |
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155 |
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156 ::assign (matrix, rhs); |
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157 } |
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158 break; |
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159 |
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160 default: |
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161 error ("invalid number of indices (%d) for indexed matrix assignment", |
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162 len); |
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163 break; |
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164 } |
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165 } |
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166 |
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167 bool |
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168 octave_complex_matrix::valid_as_scalar_index (void) const |
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169 { |
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170 // XXX FIXME XXX |
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171 return false; |
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172 } |
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173 |
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174 bool |
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175 octave_complex_matrix::valid_as_zero_index (void) const |
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176 { |
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177 // XXX FIXME XXX |
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178 return false; |
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179 } |
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180 |
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181 bool |
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182 octave_complex_matrix::is_true (void) const |
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183 { |
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184 bool retval = false; |
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185 |
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186 if (rows () == 0 || columns () == 0) |
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187 { |
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188 int flag = Vpropagate_empty_matrices; |
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189 |
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190 if (flag < 0) |
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191 warning ("empty matrix used in conditional expression"); |
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192 else if (flag == 0) |
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193 error ("empty matrix used in conditional expression"); |
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194 } |
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195 else |
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196 { |
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197 Matrix m = (matrix.all ()) . all (); |
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198 |
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199 retval = (m.rows () == 1 && m.columns () == 1 && m (0, 0) != 0.0); |
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200 } |
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201 |
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202 return retval; |
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203 } |
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204 |
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205 double |
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206 octave_complex_matrix::double_value (bool force_conversion) const |
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207 { |
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208 double retval = octave_NaN; |
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209 |
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210 int flag = force_conversion; |
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211 |
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212 if (! flag) |
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213 flag = Vok_to_lose_imaginary_part; |
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214 |
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215 if (flag < 0) |
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216 gripe_implicit_conversion ("complex matrix", "real scalar"); |
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217 |
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218 if (flag) |
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219 { |
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220 if ((rows () == 1 && columns () == 1) |
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221 || (Vdo_fortran_indexing && rows () > 0 && columns () > 0)) |
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222 retval = ::real (matrix (0, 0)); |
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223 else |
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224 gripe_invalid_conversion ("complex matrix", "real scalar"); |
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225 } |
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226 else |
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227 gripe_invalid_conversion ("complex matrix", "real scalar"); |
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228 |
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229 return retval; |
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230 } |
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231 |
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232 Matrix |
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233 octave_complex_matrix::matrix_value (bool force_conversion) const |
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234 { |
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235 Matrix retval; |
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236 |
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237 int flag = force_conversion; |
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238 |
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239 if (! flag) |
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240 flag = Vok_to_lose_imaginary_part; |
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241 |
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242 if (flag < 0) |
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243 gripe_implicit_conversion ("complex matrix", "real matrix"); |
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244 |
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245 if (flag) |
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246 retval = ::real (matrix); |
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247 else |
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248 gripe_invalid_conversion ("complex matrix", "real matrix"); |
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249 |
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250 return retval; |
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251 } |
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252 |
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253 Complex |
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254 octave_complex_matrix::complex_value (bool) const |
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255 { |
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256 Complex retval (octave_NaN, octave_NaN); |
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257 |
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258 if ((rows () == 1 && columns () == 1) |
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259 || (Vdo_fortran_indexing && rows () > 0 && columns () > 0)) |
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260 retval = matrix (0, 0); |
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261 else |
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262 gripe_invalid_conversion ("complex matrix", "complex scalar"); |
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263 |
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264 return retval; |
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265 } |
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266 |
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267 ComplexMatrix |
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268 octave_complex_matrix::complex_matrix_value (bool) const |
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269 { |
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270 return matrix; |
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271 } |
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272 |
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273 void |
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274 octave_complex_matrix::print (ostream& os) |
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275 { |
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276 octave_print_internal (os, matrix, false, struct_indent); |
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277 } |
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278 |
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279 /* |
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280 ;;; Local Variables: *** |
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281 ;;; mode: C++ *** |
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282 ;;; End: *** |
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283 */ |
