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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__) && ! defined (NO_PRAGMA_INTERFACE_IMPLEMENTATION) |
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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> |
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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_value * |
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55 octave_complex_matrix::try_narrowing_conversion (void) |
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56 { |
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57 octave_value *retval = 0; |
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58 |
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59 int nr = matrix.rows (); |
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60 int nc = matrix.cols (); |
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61 |
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62 if (nr == 1 && nc == 1) |
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63 { |
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64 Complex c = matrix (0, 0); |
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65 |
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66 if (imag (c) == 0.0) |
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67 retval = new octave_scalar (std::real (c)); |
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68 else |
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69 retval = new octave_complex (c); |
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70 } |
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71 else if (nr == 0 || nc == 0) |
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72 retval = new octave_matrix (Matrix (nr, nc)); |
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73 else if (matrix.all_elements_are_real ()) |
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74 retval = new octave_matrix (::real (matrix)); |
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75 |
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76 return retval; |
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77 } |
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78 |
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79 void |
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80 octave_complex_matrix::assign (const octave_value_list& idx, |
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81 const Matrix& rhs) |
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82 { |
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83 int len = idx.length (); |
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84 |
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85 switch (len) |
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86 { |
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87 case 2: |
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88 { |
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89 idx_vector i = idx (0).index_vector (); |
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90 idx_vector j = idx (1).index_vector (); |
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91 |
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92 matrix.set_index (i); |
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93 matrix.set_index (j); |
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94 |
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95 ::assign (matrix, rhs); |
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96 } |
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97 break; |
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98 |
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99 case 1: |
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100 { |
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101 idx_vector i = idx (0).index_vector (); |
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102 |
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103 matrix.set_index (i); |
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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 default: |
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110 error ("invalid number of indices (%d) for indexed matrix assignment", |
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111 len); |
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112 break; |
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113 } |
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114 } |
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115 |
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116 bool |
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117 octave_complex_matrix::valid_as_scalar_index (void) const |
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118 { |
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119 // XXX FIXME XXX |
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120 return false; |
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121 } |
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122 |
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123 double |
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124 octave_complex_matrix::double_value (bool force_conversion) const |
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125 { |
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126 double retval = octave_NaN; |
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127 |
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128 int flag = force_conversion; |
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129 |
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130 if (! flag) |
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131 flag = Vok_to_lose_imaginary_part; |
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132 |
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133 if (flag < 0) |
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134 gripe_implicit_conversion ("complex matrix", "real scalar"); |
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135 |
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136 if (flag) |
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137 { |
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138 if ((rows () == 1 && columns () == 1) |
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139 || (Vdo_fortran_indexing && rows () > 0 && columns () > 0)) |
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140 retval = std::real (matrix (0, 0)); |
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141 else |
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142 gripe_invalid_conversion ("complex matrix", "real scalar"); |
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143 } |
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144 else |
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145 gripe_invalid_conversion ("complex matrix", "real scalar"); |
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146 |
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147 return retval; |
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148 } |
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149 |
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150 Matrix |
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151 octave_complex_matrix::matrix_value (bool force_conversion) const |
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152 { |
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153 Matrix retval; |
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154 |
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155 int flag = force_conversion; |
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156 |
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157 if (! flag) |
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158 flag = Vok_to_lose_imaginary_part; |
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159 |
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160 if (flag < 0) |
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161 gripe_implicit_conversion ("complex matrix", "real matrix"); |
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162 |
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163 if (flag) |
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164 retval = ::real (matrix); |
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165 else |
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166 gripe_invalid_conversion ("complex matrix", "real matrix"); |
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167 |
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168 return retval; |
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169 } |
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170 |
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171 Complex |
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172 octave_complex_matrix::complex_value (bool) const |
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173 { |
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174 Complex retval (octave_NaN, octave_NaN); |
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175 |
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176 if ((rows () == 1 && columns () == 1) |
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177 || (Vdo_fortran_indexing && rows () > 0 && columns () > 0)) |
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178 retval = matrix (0, 0); |
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179 else |
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180 gripe_invalid_conversion ("complex matrix", "complex scalar"); |
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181 |
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182 return retval; |
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183 } |
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184 |
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185 ComplexMatrix |
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186 octave_complex_matrix::complex_matrix_value (bool) const |
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187 { |
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188 return matrix; |
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189 } |
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190 |
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191 /* |
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192 ;;; Local Variables: *** |
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193 ;;; mode: C++ *** |
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194 ;;; End: *** |
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195 */ |
