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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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2901
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31 #include <iostream.h> |
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32 |
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2871
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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-bool.h" |
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40 #include "ov-bool-mat.h" |
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41 #include "ov-re-mat.h" |
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42 #include "pr-output.h" |
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43 |
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44 octave_allocator |
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45 octave_bool_matrix::allocator (sizeof (octave_bool_matrix)); |
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46 |
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47 int |
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48 octave_bool_matrix::t_id (-1); |
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49 |
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50 const string |
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51 octave_bool_matrix::t_name ("bool matrix"); |
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52 |
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53 static octave_value * |
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54 default_numeric_conversion_function (const octave_value& a) |
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55 { |
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56 CAST_CONV_ARG (const octave_bool_matrix&); |
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57 |
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58 return new octave_matrix (Matrix (v.bool_matrix_value ())); |
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59 } |
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60 |
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61 type_conv_fcn |
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62 octave_bool_matrix::numeric_conversion_function (void) const |
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63 { |
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64 return default_numeric_conversion_function; |
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65 } |
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66 |
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67 octave_value * |
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68 octave_bool_matrix::try_narrowing_conversion (void) |
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69 { |
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70 octave_value *retval = 0; |
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71 |
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72 int nr = matrix.rows (); |
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73 int nc = matrix.cols (); |
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74 |
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75 if (nr == 1 && nc == 1) |
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76 retval = new octave_bool (matrix (0, 0)); |
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77 |
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78 return retval; |
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79 } |
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80 |
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81 octave_value |
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82 octave_bool_matrix::index (const octave_value_list& idx) const |
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83 { |
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84 octave_value retval; |
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85 |
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86 int len = idx.length (); |
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87 |
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88 switch (len) |
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89 { |
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90 case 2: |
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91 { |
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92 idx_vector i = idx (0).index_vector (); |
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93 idx_vector j = idx (1).index_vector (); |
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94 |
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95 retval = boolMatrix (matrix.index (i, j)); |
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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 retval = boolMatrix (matrix.index (i)); |
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104 } |
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105 break; |
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106 |
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107 default: |
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108 error ("invalid number of indices (%d) for matrix value", len); |
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109 break; |
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110 } |
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111 |
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112 return retval; |
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113 } |
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114 |
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115 extern void assign (Array2<bool>&, const Array2<bool>&); |
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116 |
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117 void |
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118 octave_bool_matrix::assign (const octave_value_list& idx, |
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119 const boolMatrix& rhs) |
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120 { |
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121 int len = idx.length (); |
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122 |
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123 switch (len) |
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124 { |
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125 case 2: |
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126 { |
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127 idx_vector i = idx (0).index_vector (); |
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128 idx_vector j = idx (1).index_vector (); |
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129 |
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130 matrix.set_index (i); |
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131 matrix.set_index (j); |
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132 |
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133 ::assign (matrix, rhs); |
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134 } |
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135 break; |
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136 |
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137 case 1: |
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138 { |
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139 idx_vector i = idx (0).index_vector (); |
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140 |
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141 matrix.set_index (i); |
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142 |
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143 ::assign (matrix, rhs); |
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144 } |
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145 break; |
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146 |
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147 default: |
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148 error ("invalid number of indices (%d) for indexed matrix assignment", |
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149 len); |
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150 break; |
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151 } |
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152 } |
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153 |
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154 bool |
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155 octave_bool_matrix::valid_as_scalar_index (void) const |
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156 { |
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157 // XXX FIXME XXX |
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158 return false; |
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159 } |
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160 |
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161 bool |
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162 octave_bool_matrix::is_true (void) const |
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163 { |
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164 bool retval = false; |
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165 |
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166 if (rows () == 0 || columns () == 0) |
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167 { |
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168 int flag = Vpropagate_empty_matrices; |
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169 |
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170 if (flag < 0) |
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171 warning ("empty matrix used in conditional expression"); |
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172 else if (flag == 0) |
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173 error ("empty matrix used in conditional expression"); |
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174 } |
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175 else |
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176 { |
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177 boolMatrix m = (matrix.all ()) . all (); |
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178 |
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179 retval = (m.rows () == 1 && m.columns () == 1 && m (0, 0)); |
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180 } |
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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 double |
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186 octave_bool_matrix::double_value (bool) const |
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187 { |
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188 double retval = octave_NaN; |
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189 |
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190 if ((rows () == 1 && columns () == 1) |
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191 || (Vdo_fortran_indexing && rows () > 0 && columns () > 0)) |
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192 retval = matrix (0, 0); |
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193 else |
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194 gripe_invalid_conversion ("bool matrix", "real scalar"); |
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195 |
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196 return retval; |
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197 } |
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198 |
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199 Complex |
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200 octave_bool_matrix::complex_value (bool) const |
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201 { |
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202 Complex retval (octave_NaN, octave_NaN); |
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203 |
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204 if ((rows () == 1 && columns () == 1) |
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205 || (Vdo_fortran_indexing && rows () > 0 && columns () > 0)) |
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206 retval = matrix (0, 0); |
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207 else |
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208 gripe_invalid_conversion ("bool matrix", "complex scalar"); |
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209 |
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210 return retval; |
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211 } |
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212 |
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213 void |
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214 octave_bool_matrix::print (ostream& os, bool pr_as_read_syntax) const |
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215 { |
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216 indent (os); |
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217 print_raw (os, pr_as_read_syntax); |
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218 newline (os); |
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219 } |
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220 |
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221 void |
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222 octave_bool_matrix::print_raw (ostream& os, bool pr_as_read_syntax) const |
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223 { |
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224 Matrix tmp (matrix); |
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225 octave_print_internal (os, tmp, pr_as_read_syntax, |
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226 current_print_indent_level ()); |
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227 } |
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228 |
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229 bool |
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230 octave_bool_matrix::print_name_tag (ostream& os, const string& name) const |
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231 { |
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232 bool retval = false; |
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233 |
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234 int nr = rows (); |
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235 int nc = columns (); |
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236 |
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237 indent (os); |
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238 |
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239 if (nr == 1 && nc == 1 || (nr == 0 || nc == 0)) |
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240 os << name << " = "; |
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241 else |
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242 { |
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243 os << name << " ="; |
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244 newline (os); |
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245 newline (os); |
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246 retval = true; |
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247 } |
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248 |
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249 return retval; |
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250 } |
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251 |
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252 /* |
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253 ;;; Local Variables: *** |
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254 ;;; mode: C++ *** |
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255 ;;; End: *** |
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256 */ |
