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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 "Array-flags.h" |
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32 |
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33 #include "ov.h" |
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34 #include "ov-base.h" |
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35 #include "ov-bool.h" |
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36 #include "ov-bool-mat.h" |
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37 #include "ov-scalar.h" |
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38 #include "ov-re-mat.h" |
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39 #include "ov-complex.h" |
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40 #include "ov-cx-mat.h" |
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41 #include "ov-ch-mat.h" |
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42 #include "ov-str-mat.h" |
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43 #include "ov-range.h" |
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44 #include "ov-struct.h" |
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45 #include "ov-colon.h" |
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46 #include "ov-va-args.h" |
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47 #include "ov-typeinfo.h" |
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48 |
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49 #include "defun.h" |
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50 #include "gripes.h" |
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51 #include "pager.h" |
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52 #include "pr-output.h" |
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53 #include "utils.h" |
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54 #include "variables.h" |
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55 |
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56 // We are likely to have a lot of octave_value objects to allocate, so |
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57 // make the grow_size large. |
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58 octave_allocator |
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59 octave_value::allocator (sizeof (octave_value), 1024); |
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60 |
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61 // If TRUE, allow assignments like |
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62 // |
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63 // octave> A(1) = 3; A(2) = 5 |
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64 // |
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65 // for A already defined and a matrix type. |
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66 bool Vdo_fortran_indexing; |
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67 |
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68 // Should we allow things like: |
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69 // |
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70 // octave> 'abc' + 0 |
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71 // 97 98 99 |
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72 // |
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73 // to happen? A positive value means yes. A negative value means |
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74 // yes, but print a warning message. Zero means it should be |
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75 // considered an error. |
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76 int Vimplicit_str_to_num_ok; |
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77 |
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78 // Should we allow silent conversion of complex to real when a real |
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79 // type is what we're really looking for? A positive value means yes. |
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80 // A negative value means yes, but print a warning message. Zero |
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81 // means it should be considered an error. |
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82 int Vok_to_lose_imaginary_part; |
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83 |
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84 // If TRUE, create column vectors when doing assignments like: |
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85 // |
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86 // octave> A(1) = 3; A(2) = 5 |
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87 // |
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88 // (for A undefined). Only matters when resize_on_range_error is also |
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89 // TRUE. |
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90 bool Vprefer_column_vectors; |
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91 |
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92 // If TRUE, prefer logical (zore-one) indexing over normal indexing |
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93 // when there is a conflice. For example, given a = [2, 3], the |
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94 // expression a ([1, 1]) would return [2 3] (instead of [2 2], which |
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95 // would be returned if prefer_zero_one_indxing were FALSE). |
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96 bool Vprefer_zero_one_indexing; |
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97 |
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98 // If TRUE, print the name along with the value. |
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99 bool Vprint_answer_id_name; |
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100 |
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101 // Should operations on empty matrices return empty matrices or an |
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102 // error? A positive value means yes. A negative value means yes, |
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103 // but print a warning message. Zero means it should be considered an |
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104 // error. |
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105 int Vpropagate_empty_matrices; |
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106 |
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107 // If TRUE, resize matrices when performing and indexed assignment and |
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108 // the indices are outside the current bounds. |
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109 bool Vresize_on_range_error; |
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110 |
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111 // How many levels of structure elements should we print? |
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112 int Vstruct_levels_to_print; |
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113 |
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114 // Allow divide by zero errors to be suppressed. |
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115 bool Vwarn_divide_by_zero; |
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116 |
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117 // Indentation level for structures. |
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118 int struct_indent = 0; |
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119 |
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120 // XXX FIXME XXX |
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121 void |
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122 increment_struct_indent (void) |
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123 { |
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124 struct_indent += 2; |
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125 } |
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126 |
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127 void |
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128 decrement_struct_indent (void) |
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129 { |
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130 struct_indent -= 2; |
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131 } |
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132 |
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133 // Octave's value type. |
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134 |
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135 string |
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136 octave_value::binary_op_as_string (binary_op op) |
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137 { |
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138 string retval; |
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139 |
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140 switch (op) |
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141 { |
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142 case add: |
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143 retval = "+"; |
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144 break; |
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145 |
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146 case sub: |
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147 retval = "-"; |
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148 break; |
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149 |
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150 case mul: |
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151 retval = "*"; |
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152 break; |
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153 |
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154 case div: |
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155 retval = "/"; |
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156 break; |
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157 |
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158 case pow: |
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159 retval = "^"; |
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160 break; |
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161 |
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162 case ldiv: |
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163 retval = "\\"; |
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164 break; |
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165 |
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166 case lt: |
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167 retval = "<"; |
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168 break; |
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169 |
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170 case le: |
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171 retval = "<="; |
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172 break; |
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173 |
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174 case eq: |
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175 retval = "=="; |
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176 break; |
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177 |
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178 case ge: |
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179 retval = ">="; |
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180 break; |
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181 |
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182 case gt: |
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183 retval = ">"; |
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184 break; |
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185 |
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186 case ne: |
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187 retval = "!="; |
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188 break; |
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189 |
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190 case el_mul: |
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191 retval = ".*"; |
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192 break; |
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193 |
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194 case el_div: |
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195 retval = "./"; |
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196 break; |
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197 |
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198 case el_pow: |
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199 retval = ".^"; |
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200 break; |
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201 |
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202 case el_ldiv: |
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203 retval = ".\\"; |
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204 break; |
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205 |
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206 case el_and: |
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207 retval = "&"; |
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208 break; |
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209 |
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210 case el_or: |
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211 retval = "|"; |
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212 break; |
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213 |
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214 case struct_ref: |
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215 retval = "."; |
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216 break; |
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217 |
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218 default: |
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219 retval = "<unknown>"; |
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220 } |
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221 |
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222 return retval; |
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223 } |
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224 |
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225 octave_value::octave_value (void) |
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226 : rep (new octave_base_value ()) |
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227 { |
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228 rep->count = 1; |
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229 } |
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230 |
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231 octave_value::octave_value (double d) |
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232 : rep (new octave_scalar (d)) |
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233 { |
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234 rep->count = 1; |
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235 } |
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236 |
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237 octave_value::octave_value (const Matrix& m) |
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238 : rep (new octave_matrix (m)) |
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239 { |
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240 rep->count = 1; |
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241 maybe_mutate (); |
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242 } |
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243 |
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244 octave_value::octave_value (const DiagMatrix& d) |
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245 : rep (new octave_matrix (d)) |
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246 { |
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247 rep->count = 1; |
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248 maybe_mutate (); |
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249 } |
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250 |
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251 octave_value::octave_value (const RowVector& v, int pcv) |
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252 : rep (new octave_matrix (v, pcv)) |
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253 { |
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254 rep->count = 1; |
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255 maybe_mutate (); |
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256 } |
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257 |
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258 octave_value::octave_value (const ColumnVector& v, int pcv) |
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259 : rep (new octave_matrix (v, pcv)) |
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260 { |
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261 rep->count = 1; |
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262 maybe_mutate (); |
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263 } |
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264 |
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265 octave_value::octave_value (const Complex& C) |
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266 : rep (new octave_complex (C)) |
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267 { |
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268 rep->count = 1; |
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269 maybe_mutate (); |
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270 } |
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271 |
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272 octave_value::octave_value (const ComplexMatrix& m) |
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273 : rep (new octave_complex_matrix (m)) |
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274 { |
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275 rep->count = 1; |
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276 maybe_mutate (); |
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277 } |
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278 |
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279 octave_value::octave_value (const ComplexDiagMatrix& d) |
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280 : rep (new octave_complex_matrix (d)) |
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281 { |
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282 rep->count = 1; |
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283 maybe_mutate (); |
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284 } |
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285 |
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286 octave_value::octave_value (const ComplexRowVector& v, int pcv) |
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287 : rep (new octave_complex_matrix (v, pcv)) |
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288 { |
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289 rep->count = 1; |
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290 maybe_mutate (); |
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291 } |
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292 |
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293 octave_value::octave_value (const ComplexColumnVector& v, int pcv) |
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294 : rep (new octave_complex_matrix (v, pcv)) |
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295 { |
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296 rep->count = 1; |
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297 maybe_mutate (); |
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298 } |
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299 |
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300 octave_value::octave_value (bool b) |
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301 : rep (new octave_bool (b)) |
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302 { |
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303 rep->count = 1; |
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304 } |
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305 |
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306 octave_value::octave_value (const boolMatrix& bm) |
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307 : rep (new octave_bool_matrix (bm)) |
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308 { |
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309 rep->count = 1; |
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310 maybe_mutate (); |
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311 } |
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312 |
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313 octave_value::octave_value (const char *s) |
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314 : rep (new octave_char_matrix_str (s)) |
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315 { |
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316 rep->count = 1; |
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317 maybe_mutate (); |
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318 } |
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319 |
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320 octave_value::octave_value (const string& s) |
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321 : rep (new octave_char_matrix_str (s)) |
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322 { |
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323 rep->count = 1; |
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324 maybe_mutate (); |
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325 } |
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326 |
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327 octave_value::octave_value (const string_vector& s) |
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328 : rep (new octave_char_matrix_str (s)) |
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329 { |
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330 rep->count = 1; |
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331 maybe_mutate (); |
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332 } |
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333 |
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334 octave_value::octave_value (const charMatrix& chm, bool is_string) |
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335 : rep (0) |
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336 { |
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337 if (is_string) |
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338 rep = new octave_char_matrix_str (chm); |
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339 else |
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340 rep = new octave_char_matrix (chm); |
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341 |
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342 rep->count = 1; |
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343 maybe_mutate (); |
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344 } |
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345 |
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346 octave_value::octave_value (double base, double limit, double inc) |
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347 : rep (new octave_range (base, limit, inc)) |
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348 { |
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349 rep->count = 1; |
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350 maybe_mutate (); |
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351 } |
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352 |
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353 octave_value::octave_value (const Range& r) |
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354 : rep (new octave_range (r)) |
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355 { |
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356 rep->count = 1; |
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357 maybe_mutate (); |
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358 } |
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359 |
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360 octave_value::octave_value (const Octave_map& m) |
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361 : rep (new octave_struct (m)) |
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362 { |
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363 rep->count = 1; |
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364 } |
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365 |
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366 octave_value::octave_value (octave_value::magic_colon) |
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367 : rep (new octave_magic_colon ()) |
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368 { |
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369 rep->count = 1; |
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370 } |
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371 |
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372 octave_value::octave_value (octave_value::all_va_args) |
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373 : rep (new octave_all_va_args ()) |
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374 { |
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375 rep->count = 1; |
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376 } |
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377 |
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378 octave_value::octave_value (octave_value *new_rep) |
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379 : rep (new_rep) |
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380 { |
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381 rep->count = 1; |
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382 } |
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383 |
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384 octave_value::~octave_value (void) |
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385 { |
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386 #if defined (MDEBUG) |
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387 cerr << "~octave_value: rep: " << rep |
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388 << " rep->count: " << rep->count << "\n"; |
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389 #endif |
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390 |
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391 if (rep && --rep->count == 0) |
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392 { |
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393 delete rep; |
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394 rep = 0; |
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395 } |
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396 } |
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397 |
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398 void |
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399 octave_value::maybe_mutate (void) |
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400 { |
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401 octave_value *tmp = rep->try_narrowing_conversion (); |
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402 |
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403 if (tmp && tmp != rep) |
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404 { |
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405 if (--rep->count == 0) |
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406 delete rep; |
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407 |
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408 rep = tmp; |
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409 rep->count = 1; |
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410 } |
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411 } |
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412 |
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413 static void |
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414 gripe_no_conversion (const string& tn1, const string& tn2) |
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415 { |
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416 error ("no suitable conversion found for assignment of %s to indexed %s", |
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417 tn2.c_str (), tn1.c_str ()); |
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418 } |
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419 |
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420 octave_value& |
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421 octave_value::assign (const octave_value_list& idx, const octave_value& rhs) |
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422 { |
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423 make_unique (); |
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424 |
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425 bool assignment_ok = try_assignment (idx, rhs); |
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426 |
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427 if (! (error_state || assignment_ok)) |
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428 { |
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429 assignment_ok = try_assignment_with_conversion (idx, rhs); |
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430 |
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431 if (! (error_state || assignment_ok)) |
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432 gripe_no_conversion (type_name (), rhs.type_name ()); |
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433 } |
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434 |
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435 if (! error_state) |
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436 maybe_mutate (); |
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437 |
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438 return *this; |
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439 } |
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440 |
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441 Octave_map |
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442 octave_value::map_value (void) const |
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443 { |
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444 return rep->map_value (); |
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445 } |
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446 |
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447 ColumnVector |
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448 octave_value::vector_value (bool force_string_conv, |
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449 bool force_vector_conversion) const |
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450 { |
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451 ColumnVector retval; |
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452 |
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453 Matrix m = matrix_value (force_string_conv); |
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454 |
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455 if (error_state) |
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456 return retval; |
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457 |
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458 int nr = m.rows (); |
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459 int nc = m.columns (); |
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460 |
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461 if (nr == 1) |
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462 { |
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463 retval.resize (nc); |
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464 for (int i = 0; i < nc; i++) |
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465 retval (i) = m (0, i); |
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466 } |
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467 else if (nc == 1) |
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468 { |
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469 retval.resize (nr); |
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470 for (int i = 0; i < nr; i++) |
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471 retval (i) = m (i, 0); |
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472 } |
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473 else if (nr > 0 && nc > 0 |
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474 && (Vdo_fortran_indexing || force_vector_conversion)) |
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475 { |
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476 retval.resize (nr * nc); |
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477 int k = 0; |
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478 for (int j = 0; j < nc; j++) |
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479 for (int i = 0; i < nr; i++) |
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480 retval (k++) = m (i, j); |
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481 } |
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482 else |
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483 { |
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484 string tn = type_name (); |
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485 gripe_invalid_conversion (tn.c_str (), "real vector"); |
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486 } |
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487 |
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488 return retval; |
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489 } |
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490 |
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491 ComplexColumnVector |
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492 octave_value::complex_vector_value (bool force_string_conv, |
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493 bool force_vector_conversion) const |
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494 { |
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495 ComplexColumnVector retval; |
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496 |
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497 ComplexMatrix m = complex_matrix_value (force_string_conv); |
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498 |
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499 if (error_state) |
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500 return retval; |
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501 |
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502 int nr = m.rows (); |
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|
503 int nc = m.columns (); |
|
|
504 |
|
|
505 if (nr == 1) |
|
|
506 { |
|
|
507 retval.resize (nc); |
|
|
508 for (int i = 0; i < nc; i++) |
|
|
509 retval (i) = m (0, i); |
|
|
510 } |
|
|
511 else if (nc == 1) |
|
|
512 { |
|
|
513 retval.resize (nr); |
|
|
514 for (int i = 0; i < nr; i++) |
|
|
515 retval (i) = m (i, 0); |
|
|
516 } |
|
|
517 else if (nr > 0 && nc > 0 |
|
|
518 && (Vdo_fortran_indexing || force_vector_conversion)) |
|
|
519 { |
|
|
520 retval.resize (nr * nc); |
|
|
521 int k = 0; |
|
|
522 for (int j = 0; j < nc; j++) |
|
|
523 for (int i = 0; i < nr; i++) |
|
|
524 retval (k++) = m (i, j); |
|
|
525 } |
|
|
526 else |
|
|
527 { |
|
|
528 string tn = type_name (); |
|
|
529 gripe_invalid_conversion (tn.c_str (), "complex vector"); |
|
|
530 } |
|
|
531 |
|
|
532 return retval; |
|
|
533 } |
|
|
534 |
|
|
535 void |
|
2466
|
536 octave_value::print (bool pr_as_read_syntax) |
|
2376
|
537 { |
|
2466
|
538 print (octave_stdout, pr_as_read_syntax); |
|
2376
|
539 } |
|
|
540 |
|
|
541 void |
|
|
542 octave_value::print_with_name (const string& name, bool print_padding) |
|
|
543 { |
|
|
544 print_with_name (octave_stdout, name, print_padding); |
|
|
545 } |
|
|
546 |
|
|
547 void |
|
|
548 octave_value::print_with_name (ostream& output_buf, const string& name, |
|
|
549 bool print_padding) |
|
|
550 { |
|
|
551 bool pad_after = false; |
|
|
552 |
|
|
553 if (Vprint_answer_id_name) |
|
|
554 { |
|
|
555 if (print_as_scalar ()) |
|
|
556 output_buf << name << " = "; |
|
2475
|
557 else if (is_map ()) |
|
2376
|
558 { |
|
|
559 pad_after = true; |
|
|
560 output_buf << name << " ="; |
|
|
561 } |
|
|
562 else |
|
|
563 { |
|
|
564 pad_after = true; |
|
|
565 output_buf << name << " =\n\n"; |
|
|
566 } |
|
|
567 } |
|
|
568 |
|
|
569 print (output_buf); |
|
|
570 |
|
|
571 if (print_padding && pad_after) |
|
|
572 output_buf << "\n"; |
|
|
573 } |
|
|
574 |
|
|
575 bool |
|
|
576 octave_value::print_as_scalar (void) |
|
|
577 { |
|
|
578 int nr = rows (); |
|
|
579 int nc = columns (); |
|
|
580 |
|
|
581 return (is_scalar_type () |
|
|
582 || (is_string () && nr <= 1) |
|
|
583 || (is_matrix_type () |
|
|
584 && ((nr == 1 && nc == 1) |
|
|
585 || nr == 0 |
|
|
586 || nc == 0))); |
|
|
587 } |
|
|
588 |
|
|
589 static void |
|
2413
|
590 gripe_indexed_assignment (const string& tn1, const string& tn2) |
|
|
591 { |
|
|
592 error ("assignment of %s to indexed %s not implemented", |
|
|
593 tn2.c_str (), tn1.c_str ()); |
|
|
594 } |
|
|
595 |
|
|
596 static void |
|
|
597 gripe_conversion_failed (const string& tn1, const string& tn2) |
|
|
598 { |
|
|
599 error ("type conversion for assignment of %s to indexed %s failed", |
|
|
600 tn2.c_str (), tn1.c_str ()); |
|
|
601 } |
|
|
602 |
|
|
603 bool |
|
|
604 octave_value::convert_and_assign (const octave_value_list& idx, |
|
|
605 const octave_value& rhs) |
|
|
606 { |
|
|
607 bool assignment_ok = false; |
|
|
608 |
|
|
609 int t_lhs = type_id (); |
|
|
610 int t_rhs = rhs.type_id (); |
|
|
611 |
|
|
612 int t_result |
|
|
613 = octave_value_typeinfo::lookup_pref_assign_conv (t_lhs, t_rhs); |
|
|
614 |
|
|
615 if (t_result >= 0) |
|
|
616 { |
|
2427
|
617 type_conv_fcn cf |
|
2413
|
618 = octave_value_typeinfo::lookup_widening_op (t_lhs, t_result); |
|
|
619 |
|
|
620 if (cf) |
|
|
621 { |
|
|
622 octave_value *tmp = cf (*rep); |
|
|
623 |
|
|
624 if (tmp) |
|
|
625 { |
|
2589
|
626 octave_value *old_rep = rep; |
|
|
627 rep = tmp; |
|
|
628 rep->count = 1; |
|
|
629 |
|
|
630 assignment_ok = try_assignment (idx, rhs); |
|
|
631 |
|
|
632 if (! assignment_ok && old_rep) |
|
2413
|
633 { |
|
|
634 if (--rep->count == 0) |
|
|
635 delete rep; |
|
|
636 |
|
2589
|
637 rep = old_rep; |
|
|
638 old_rep = 0; |
|
2413
|
639 } |
|
|
640 |
|
2589
|
641 if (old_rep && --old_rep->count == 0) |
|
|
642 delete old_rep; |
|
2413
|
643 } |
|
|
644 else |
|
|
645 gripe_conversion_failed (type_name (), rhs.type_name ()); |
|
|
646 } |
|
|
647 else |
|
|
648 gripe_indexed_assignment (type_name (), rhs.type_name ()); |
|
|
649 } |
|
|
650 |
|
|
651 return (assignment_ok && ! error_state); |
|
|
652 } |
|
|
653 |
|
|
654 bool |
|
|
655 octave_value::try_assignment_with_conversion (const octave_value_list& idx, |
|
|
656 const octave_value& rhs) |
|
|
657 { |
|
|
658 bool assignment_ok = convert_and_assign (idx, rhs); |
|
|
659 |
|
|
660 if (! (error_state || assignment_ok)) |
|
|
661 { |
|
|
662 octave_value tmp_rhs; |
|
2427
|
663 type_conv_fcn cf_rhs = rhs.numeric_conversion_function (); |
|
2413
|
664 |
|
|
665 if (cf_rhs) |
|
|
666 tmp_rhs = octave_value (cf_rhs (*rhs.rep)); |
|
|
667 else |
|
|
668 tmp_rhs = rhs; |
|
|
669 |
|
|
670 octave_value *old_rep = 0; |
|
2427
|
671 type_conv_fcn cf_this = numeric_conversion_function (); |
|
2413
|
672 |
|
|
673 if (cf_this) |
|
|
674 { |
|
|
675 old_rep = rep; |
|
|
676 rep = cf_this (*rep); |
|
|
677 rep->count = 1; |
|
|
678 } |
|
|
679 |
|
|
680 if (cf_this || cf_rhs) |
|
|
681 { |
|
|
682 assignment_ok = try_assignment (idx, tmp_rhs); |
|
|
683 |
|
|
684 if (! (error_state || assignment_ok)) |
|
|
685 assignment_ok = convert_and_assign (idx, tmp_rhs); |
|
|
686 } |
|
|
687 |
|
|
688 if (! assignment_ok && old_rep) |
|
|
689 { |
|
|
690 if (--rep->count == 0) |
|
|
691 delete rep; |
|
|
692 |
|
|
693 rep = old_rep; |
|
|
694 old_rep = 0; |
|
|
695 } |
|
|
696 |
|
|
697 if (old_rep && --old_rep->count == 0) |
|
|
698 delete old_rep; |
|
|
699 } |
|
|
700 |
|
|
701 return (assignment_ok && ! error_state); |
|
|
702 } |
|
|
703 |
|
|
704 bool |
|
|
705 octave_value::try_assignment (const octave_value_list& idx, |
|
|
706 const octave_value& rhs) |
|
|
707 { |
|
|
708 bool retval = false; |
|
|
709 |
|
|
710 int t_lhs = type_id (); |
|
|
711 int t_rhs = rhs.type_id (); |
|
|
712 |
|
2427
|
713 assign_op_fcn f = octave_value_typeinfo::lookup_assign_op (t_lhs, t_rhs); |
|
2413
|
714 |
|
|
715 if (f) |
|
|
716 { |
|
|
717 f (*rep, idx, *(rhs.rep)); |
|
|
718 |
|
|
719 retval = (! error_state); |
|
|
720 } |
|
|
721 |
|
|
722 return retval; |
|
|
723 } |
|
|
724 |
|
|
725 static void |
|
2376
|
726 gripe_binary_op (const string& on, const string& tn1, const string& tn2) |
|
|
727 { |
|
|
728 error ("binary operator %s not implemented for %s by %s operations", |
|
|
729 on.c_str (), tn1.c_str (), tn2.c_str ()); |
|
|
730 } |
|
|
731 |
|
|
732 octave_value |
|
|
733 do_binary_op (octave_value::binary_op op, const octave_value& v1, |
|
|
734 const octave_value& v2) |
|
|
735 { |
|
|
736 octave_value retval; |
|
|
737 |
|
|
738 int t1 = v1.type_id (); |
|
|
739 int t2 = v2.type_id (); |
|
|
740 |
|
2427
|
741 binary_op_fcn f = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
2376
|
742 |
|
|
743 if (f) |
|
|
744 retval = f (*v1.rep, *v2.rep); |
|
|
745 else |
|
|
746 { |
|
|
747 octave_value tv1; |
|
2427
|
748 type_conv_fcn cf1 = v1.numeric_conversion_function (); |
|
2376
|
749 |
|
|
750 if (cf1) |
|
|
751 { |
|
|
752 tv1 = octave_value (cf1 (*v1.rep)); |
|
|
753 t1 = tv1.type_id (); |
|
|
754 } |
|
|
755 else |
|
|
756 tv1 = v1; |
|
|
757 |
|
|
758 octave_value tv2; |
|
2427
|
759 type_conv_fcn cf2 = v2.numeric_conversion_function (); |
|
2376
|
760 |
|
|
761 if (cf2) |
|
|
762 { |
|
|
763 tv2 = octave_value (cf2 (*v2.rep)); |
|
|
764 t2 = tv2.type_id (); |
|
|
765 } |
|
|
766 else |
|
|
767 tv2 = v2; |
|
|
768 |
|
|
769 if (cf1 || cf2) |
|
|
770 { |
|
2427
|
771 binary_op_fcn f |
|
2376
|
772 = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
|
773 |
|
|
774 if (f) |
|
|
775 retval = f (*tv1.rep, *tv2.rep); |
|
|
776 else |
|
|
777 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
778 v1.type_name (), v2.type_name ()); |
|
|
779 } |
|
|
780 else |
|
|
781 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
782 v1.type_name (), v2.type_name ()); |
|
|
783 } |
|
|
784 |
|
|
785 return retval; |
|
|
786 } |
|
|
787 |
|
|
788 void |
|
|
789 install_types (void) |
|
|
790 { |
|
|
791 octave_base_value::register_type (); |
|
|
792 octave_scalar::register_type (); |
|
|
793 octave_complex::register_type (); |
|
|
794 octave_matrix::register_type (); |
|
|
795 octave_complex_matrix::register_type (); |
|
|
796 octave_range::register_type (); |
|
2825
|
797 octave_bool::register_type (); |
|
|
798 octave_bool_matrix::register_type (); |
|
2376
|
799 octave_char_matrix::register_type (); |
|
|
800 octave_char_matrix_str::register_type (); |
|
|
801 octave_struct::register_type (); |
|
|
802 octave_all_va_args::register_type (); |
|
|
803 octave_magic_colon::register_type (); |
|
|
804 } |
|
|
805 |
|
|
806 static int |
|
|
807 do_fortran_indexing (void) |
|
|
808 { |
|
|
809 Vdo_fortran_indexing = check_preference ("do_fortran_indexing"); |
|
|
810 |
|
|
811 liboctave_dfi_flag = Vdo_fortran_indexing; |
|
|
812 |
|
|
813 return 0; |
|
|
814 } |
|
|
815 |
|
|
816 static int |
|
|
817 implicit_str_to_num_ok (void) |
|
|
818 { |
|
|
819 Vimplicit_str_to_num_ok = check_preference ("implicit_str_to_num_ok"); |
|
|
820 |
|
|
821 return 0; |
|
|
822 } |
|
|
823 |
|
|
824 static int |
|
|
825 ok_to_lose_imaginary_part (void) |
|
|
826 { |
|
|
827 Vok_to_lose_imaginary_part = check_preference ("ok_to_lose_imaginary_part"); |
|
|
828 |
|
|
829 return 0; |
|
|
830 } |
|
|
831 |
|
|
832 static int |
|
|
833 prefer_column_vectors (void) |
|
|
834 { |
|
|
835 Vprefer_column_vectors |
|
|
836 = check_preference ("prefer_column_vectors"); |
|
|
837 |
|
|
838 liboctave_pcv_flag = Vprefer_column_vectors; |
|
|
839 |
|
|
840 return 0; |
|
|
841 } |
|
|
842 |
|
|
843 static int |
|
|
844 prefer_zero_one_indexing (void) |
|
|
845 { |
|
|
846 Vprefer_zero_one_indexing = check_preference ("prefer_zero_one_indexing"); |
|
|
847 |
|
|
848 liboctave_pzo_flag = Vprefer_zero_one_indexing; |
|
|
849 |
|
|
850 return 0; |
|
|
851 } |
|
|
852 |
|
|
853 static int |
|
|
854 print_answer_id_name (void) |
|
|
855 { |
|
|
856 Vprint_answer_id_name = check_preference ("print_answer_id_name"); |
|
|
857 |
|
|
858 return 0; |
|
|
859 } |
|
|
860 |
|
|
861 static int |
|
|
862 propagate_empty_matrices (void) |
|
|
863 { |
|
|
864 Vpropagate_empty_matrices = check_preference ("propagate_empty_matrices"); |
|
|
865 |
|
|
866 return 0; |
|
|
867 } |
|
|
868 |
|
|
869 static int |
|
|
870 resize_on_range_error (void) |
|
|
871 { |
|
|
872 Vresize_on_range_error = check_preference ("resize_on_range_error"); |
|
|
873 |
|
|
874 liboctave_rre_flag = Vresize_on_range_error; |
|
|
875 |
|
|
876 return 0; |
|
|
877 } |
|
|
878 |
|
|
879 static int |
|
|
880 struct_levels_to_print (void) |
|
|
881 { |
|
|
882 double val; |
|
|
883 if (builtin_real_scalar_variable ("struct_levels_to_print", val) |
|
|
884 && ! xisnan (val)) |
|
|
885 { |
|
|
886 int ival = NINT (val); |
|
2800
|
887 if (ival >= 0 && ival == val) |
|
2376
|
888 { |
|
|
889 Vstruct_levels_to_print = ival; |
|
|
890 return 0; |
|
|
891 } |
|
|
892 } |
|
|
893 gripe_invalid_value_specified ("struct_levels_to_print"); |
|
|
894 return -1; |
|
|
895 } |
|
|
896 |
|
|
897 static int |
|
|
898 warn_divide_by_zero (void) |
|
|
899 { |
|
|
900 Vwarn_divide_by_zero = check_preference ("warn_divide_by_zero"); |
|
|
901 |
|
|
902 return 0; |
|
|
903 } |
|
|
904 |
|
|
905 void |
|
|
906 symbols_of_value (void) |
|
|
907 { |
|
|
908 DEFVAR (do_fortran_indexing, 0.0, 0, do_fortran_indexing, |
|
|
909 "allow single indices for matrices"); |
|
|
910 |
|
|
911 DEFVAR (implicit_str_to_num_ok, 0.0, 0, implicit_str_to_num_ok, |
|
|
912 "allow implicit string to number conversion"); |
|
|
913 |
|
|
914 DEFVAR (ok_to_lose_imaginary_part, "warn", 0, ok_to_lose_imaginary_part, |
|
|
915 "silently convert from complex to real by dropping imaginary part"); |
|
|
916 |
|
|
917 DEFVAR (prefer_column_vectors, 1.0, 0, prefer_column_vectors, |
|
|
918 "prefer column/row vectors"); |
|
|
919 |
|
|
920 DEFVAR (prefer_zero_one_indexing, 0.0, 0, prefer_zero_one_indexing, |
|
|
921 "when there is a conflict, prefer zero-one style indexing"); |
|
|
922 |
|
|
923 DEFVAR (print_answer_id_name, 1.0, 0, print_answer_id_name, |
|
|
924 "set output style to print `var_name = ...'"); |
|
|
925 |
|
|
926 DEFVAR (propagate_empty_matrices, 1.0, 0, propagate_empty_matrices, |
|
|
927 "operations on empty matrices return an empty matrix, not an error"); |
|
|
928 |
|
|
929 DEFVAR (resize_on_range_error, 1.0, 0, resize_on_range_error, |
|
|
930 "enlarge matrices on assignment"); |
|
|
931 |
|
|
932 DEFVAR (struct_levels_to_print, 2.0, 0, struct_levels_to_print, |
|
|
933 "number of levels of structure elements to print"); |
|
|
934 |
|
|
935 DEFVAR (warn_divide_by_zero, 1.0, 0, warn_divide_by_zero, |
|
|
936 "If TRUE, warn about division by zero"); |
|
|
937 } |
|
|
938 |
|
|
939 /* |
|
|
940 ;;; Local Variables: *** |
|
|
941 ;;; mode: C++ *** |
|
|
942 ;;; End: *** |
|
|
943 */ |
