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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 (USE_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 "Array-flags.h" |
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32 #include "str-vec.h" |
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33 #include "quit.h" |
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34 |
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35 #include "oct-obj.h" |
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36 #include "ov.h" |
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37 #include "ov-base.h" |
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38 #include "ov-bool.h" |
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39 #include "ov-bool-mat.h" |
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40 #include "ov-cell.h" |
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41 #include "ov-scalar.h" |
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42 #include "ov-re-mat.h" |
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43 #include "ov-complex.h" |
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44 #include "ov-cx-mat.h" |
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45 #include "ov-ch-mat.h" |
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46 #include "ov-str-mat.h" |
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47 #include "ov-range.h" |
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48 #include "ov-struct.h" |
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49 #include "ov-file.h" |
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50 #include "ov-list.h" |
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51 #include "ov-cs-list.h" |
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52 #include "ov-colon.h" |
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53 #include "ov-va-args.h" |
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54 #include "ov-builtin.h" |
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55 #include "ov-mapper.h" |
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56 #include "ov-usr-fcn.h" |
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57 #include "ov-fcn-handle.h" |
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58 #include "ov-re-nd-array.h" |
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59 #include "ov-typeinfo.h" |
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60 |
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61 #include "defun.h" |
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62 #include "error.h" |
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63 #include "gripes.h" |
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64 #include "pager.h" |
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65 #include "parse.h" |
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66 #include "pr-output.h" |
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67 #include "utils.h" |
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68 #include "variables.h" |
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69 |
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70 // We are likely to have a lot of octave_value objects to allocate, so |
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71 // make the grow_size large. |
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72 DEFINE_OCTAVE_ALLOCATOR2(octave_value, 1024); |
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73 |
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74 // If TRUE, turn off printing of results in functions (as if a |
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75 // semicolon has been appended to each statement). |
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76 static bool Vsilent_functions; |
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77 |
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78 // If TRUE, allow assignments like |
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79 // |
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80 // octave> A(1) = 3; A(2) = 5 |
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81 // |
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82 // for A already defined and a matrix type. |
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83 bool Vdo_fortran_indexing; |
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84 |
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85 // Should we warn about conversions from complex to real? |
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86 int Vwarn_imag_to_real; |
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87 |
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88 // Should we print a warning when converting `[97, 98, 99, "123"]' |
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89 // to a character string? |
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90 bool Vwarn_num_to_str; |
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91 |
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92 // If TRUE, warn for operations like |
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93 // |
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94 // octave> 'abc' + 0 |
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95 // 97 98 99 |
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96 // |
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97 int Vwarn_str_to_num; |
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98 |
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99 // If TRUE, create column vectors when doing assignments like: |
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100 // |
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101 // octave> A(1) = 3; A(2) = 5 |
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102 // |
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103 // (for A undefined). Only matters when resize_on_range_error is also |
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104 // TRUE. |
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105 static bool Vprefer_column_vectors; |
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106 |
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107 // If TRUE, print the name along with the value. |
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108 bool Vprint_answer_id_name; |
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109 |
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110 // Should operations on empty matrices return empty matrices or an |
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111 // error? A positive value means yes. A negative value means yes, |
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112 // but print a warning message. Zero means it should be considered an |
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113 // error. |
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114 int Vpropagate_empty_matrices; |
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115 |
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116 // How many levels of structure elements should we print? |
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117 int Vstruct_levels_to_print; |
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118 |
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119 // Allow divide by zero errors to be suppressed. |
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120 bool Vwarn_divide_by_zero; |
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121 |
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122 // If TRUE, resize matrices when performing and indexed assignment and |
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123 // the indices are outside the current bounds. |
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124 bool Vresize_on_range_error; |
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125 |
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126 // XXX FIXME XXX |
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127 |
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128 // Octave's value type. |
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129 |
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130 std::string |
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131 octave_value::unary_op_as_string (unary_op op) |
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132 { |
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133 std::string retval; |
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134 |
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135 switch (op) |
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136 { |
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137 case op_not: |
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138 retval = "!"; |
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139 break; |
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140 |
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141 case op_uminus: |
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142 retval = "-"; |
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143 break; |
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144 |
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145 case op_transpose: |
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146 retval = ".'"; |
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147 break; |
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148 |
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149 case op_hermitian: |
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150 retval = "'"; |
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151 break; |
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152 |
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153 case op_incr: |
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154 retval = "++"; |
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155 break; |
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156 |
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157 case op_decr: |
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158 retval = "--"; |
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159 break; |
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160 |
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161 default: |
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162 retval = "<unknown>"; |
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163 } |
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164 |
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165 return retval; |
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166 } |
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167 |
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168 std::string |
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169 octave_value::binary_op_as_string (binary_op op) |
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170 { |
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171 std::string retval; |
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172 |
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173 switch (op) |
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174 { |
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175 case op_add: |
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176 retval = "+"; |
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177 break; |
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178 |
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179 case op_sub: |
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180 retval = "-"; |
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181 break; |
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182 |
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183 case op_mul: |
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184 retval = "*"; |
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185 break; |
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186 |
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187 case op_div: |
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188 retval = "/"; |
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189 break; |
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190 |
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191 case op_pow: |
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192 retval = "^"; |
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193 break; |
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194 |
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195 case op_ldiv: |
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196 retval = "\\"; |
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197 break; |
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198 |
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199 case op_lshift: |
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200 retval = "<<"; |
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201 break; |
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202 |
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203 case op_rshift: |
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204 retval = ">>"; |
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205 break; |
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206 |
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207 case op_lt: |
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208 retval = "<"; |
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209 break; |
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210 |
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211 case op_le: |
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212 retval = "<="; |
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213 break; |
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214 |
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215 case op_eq: |
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216 retval = "=="; |
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217 break; |
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218 |
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219 case op_ge: |
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220 retval = ">="; |
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221 break; |
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222 |
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223 case op_gt: |
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224 retval = ">"; |
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225 break; |
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226 |
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227 case op_ne: |
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228 retval = "!="; |
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229 break; |
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230 |
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231 case op_el_mul: |
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232 retval = ".*"; |
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233 break; |
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234 |
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235 case op_el_div: |
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236 retval = "./"; |
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237 break; |
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238 |
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239 case op_el_pow: |
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240 retval = ".^"; |
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241 break; |
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242 |
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243 case op_el_ldiv: |
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244 retval = ".\\"; |
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245 break; |
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246 |
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247 case op_el_and: |
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248 retval = "&"; |
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249 break; |
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250 |
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251 case op_el_or: |
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252 retval = "|"; |
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253 break; |
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254 |
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255 case op_struct_ref: |
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256 retval = "."; |
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257 break; |
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258 |
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259 default: |
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260 retval = "<unknown>"; |
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261 } |
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262 |
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263 return retval; |
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264 } |
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265 |
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266 std::string |
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267 octave_value::assign_op_as_string (assign_op op) |
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268 { |
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269 std::string retval; |
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270 |
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271 switch (op) |
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272 { |
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273 case op_asn_eq: |
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274 retval = "="; |
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275 break; |
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276 |
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277 case op_add_eq: |
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278 retval = "+="; |
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279 break; |
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280 |
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281 case op_sub_eq: |
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282 retval = "-="; |
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283 break; |
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284 |
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285 case op_mul_eq: |
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286 retval = "*="; |
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287 break; |
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288 |
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289 case op_div_eq: |
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290 retval = "/="; |
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291 break; |
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292 |
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293 case op_ldiv_eq: |
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294 retval = "\\="; |
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295 break; |
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296 |
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297 case op_pow_eq: |
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298 retval = "^="; |
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299 break; |
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300 |
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301 case op_lshift_eq: |
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302 retval = "<<="; |
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303 break; |
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304 |
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305 case op_rshift_eq: |
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306 retval = ">>="; |
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307 break; |
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308 |
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309 case op_el_mul_eq: |
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310 retval = ".*="; |
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311 break; |
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312 |
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313 case op_el_div_eq: |
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314 retval = "./="; |
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315 break; |
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316 |
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317 case op_el_ldiv_eq: |
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318 retval = ".\\="; |
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319 break; |
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320 |
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321 case op_el_pow_eq: |
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322 retval = ".^="; |
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323 break; |
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324 |
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325 case op_el_and_eq: |
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326 retval = "&="; |
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327 break; |
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328 |
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329 case op_el_or_eq: |
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330 retval = "|="; |
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331 break; |
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332 |
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333 default: |
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334 retval = "<unknown>"; |
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335 } |
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336 |
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337 return retval; |
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338 } |
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339 |
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340 octave_value::octave_value (void) |
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341 : rep (new octave_base_value ()) |
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342 { |
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343 rep->count = 1; |
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344 } |
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345 |
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346 octave_value::octave_value (short int i) |
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347 : rep (new octave_scalar (i)) |
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348 { |
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349 rep->count = 1; |
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350 } |
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351 |
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352 octave_value::octave_value (unsigned short int i) |
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353 : rep (new octave_scalar (i)) |
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354 { |
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355 rep->count = 1; |
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356 } |
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357 |
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358 octave_value::octave_value (int i) |
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359 : rep (new octave_scalar (i)) |
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360 { |
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361 rep->count = 1; |
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362 } |
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363 |
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364 octave_value::octave_value (unsigned int i) |
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365 : rep (new octave_scalar (i)) |
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366 { |
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367 rep->count = 1; |
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368 } |
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369 |
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370 octave_value::octave_value (long int i) |
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371 : rep (new octave_scalar (i)) |
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372 { |
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373 rep->count = 1; |
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374 } |
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375 |
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376 octave_value::octave_value (unsigned long int i) |
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377 : rep (new octave_scalar (i)) |
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378 { |
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379 rep->count = 1; |
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380 } |
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381 |
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382 #if defined (HAVE_LONG_LONG_INT) |
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383 octave_value::octave_value (long long int i) |
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384 : rep (new octave_scalar (i)) |
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385 { |
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386 rep->count = 1; |
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387 } |
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388 #endif |
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389 |
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390 #if defined (HAVE_UNSIGNED_LONG_LONG_INT) |
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391 octave_value::octave_value (unsigned long long int i) |
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392 : rep (new octave_scalar (i)) |
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393 { |
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394 rep->count = 1; |
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395 } |
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396 #endif |
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397 |
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398 octave_value::octave_value (octave_time t) |
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399 : rep (new octave_scalar (t)) |
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400 { |
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401 rep->count = 1; |
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402 } |
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403 |
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404 octave_value::octave_value (double d) |
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405 : rep (new octave_scalar (d)) |
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406 { |
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407 rep->count = 1; |
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408 } |
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409 |
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410 octave_value::octave_value (const Cell& c) |
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411 : rep (new octave_cell (c)) |
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412 { |
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413 rep->count = 1; |
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414 maybe_mutate (); |
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415 } |
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416 |
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417 octave_value::octave_value (const Matrix& m) |
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418 : rep (new octave_matrix (m)) |
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419 { |
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420 rep->count = 1; |
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421 maybe_mutate (); |
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422 } |
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423 |
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424 octave_value::octave_value (const DiagMatrix& d) |
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425 : rep (new octave_matrix (d)) |
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426 { |
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427 rep->count = 1; |
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428 maybe_mutate (); |
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429 } |
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430 |
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431 octave_value::octave_value (const RowVector& v) |
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432 : rep (new octave_matrix (v)) |
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433 { |
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434 rep->count = 1; |
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435 maybe_mutate (); |
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436 } |
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437 |
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438 octave_value::octave_value (const ColumnVector& v) |
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439 : rep (new octave_matrix (v)) |
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440 { |
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441 rep->count = 1; |
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442 maybe_mutate (); |
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443 } |
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444 |
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445 octave_value::octave_value (const Complex& C) |
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446 : rep (new octave_complex (C)) |
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447 { |
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448 rep->count = 1; |
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449 maybe_mutate (); |
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450 } |
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451 |
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452 octave_value::octave_value (const ComplexMatrix& m) |
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453 : rep (new octave_complex_matrix (m)) |
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454 { |
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455 rep->count = 1; |
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456 maybe_mutate (); |
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457 } |
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458 |
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459 octave_value::octave_value (const ComplexDiagMatrix& d) |
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460 : rep (new octave_complex_matrix (d)) |
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461 { |
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462 rep->count = 1; |
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463 maybe_mutate (); |
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464 } |
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465 |
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466 octave_value::octave_value (const ComplexRowVector& v) |
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467 : rep (new octave_complex_matrix (v)) |
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468 { |
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469 rep->count = 1; |
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470 maybe_mutate (); |
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471 } |
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472 |
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473 octave_value::octave_value (const ComplexColumnVector& v) |
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474 : rep (new octave_complex_matrix (v)) |
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475 { |
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476 rep->count = 1; |
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477 maybe_mutate (); |
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478 } |
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479 |
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480 octave_value::octave_value (bool b) |
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481 : rep (new octave_bool (b)) |
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482 { |
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483 rep->count = 1; |
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484 } |
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485 |
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486 octave_value::octave_value (const boolMatrix& bm) |
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487 : rep (new octave_bool_matrix (bm)) |
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488 { |
|
|
489 rep->count = 1; |
|
|
490 maybe_mutate (); |
|
|
491 } |
|
|
492 |
|
3189
|
493 octave_value::octave_value (char c) |
|
|
494 : rep (new octave_char_matrix_str (c)) |
|
|
495 { |
|
|
496 rep->count = 1; |
|
|
497 maybe_mutate (); |
|
|
498 } |
|
|
499 |
|
2376
|
500 octave_value::octave_value (const char *s) |
|
2423
|
501 : rep (new octave_char_matrix_str (s)) |
|
|
502 { |
|
|
503 rep->count = 1; |
|
|
504 maybe_mutate (); |
|
|
505 } |
|
2376
|
506 |
|
3523
|
507 octave_value::octave_value (const std::string& s) |
|
2423
|
508 : rep (new octave_char_matrix_str (s)) |
|
|
509 { |
|
|
510 rep->count = 1; |
|
|
511 maybe_mutate (); |
|
|
512 } |
|
2376
|
513 |
|
|
514 octave_value::octave_value (const string_vector& s) |
|
2423
|
515 : rep (new octave_char_matrix_str (s)) |
|
|
516 { |
|
|
517 rep->count = 1; |
|
|
518 maybe_mutate (); |
|
|
519 } |
|
2376
|
520 |
|
|
521 octave_value::octave_value (const charMatrix& chm, bool is_string) |
|
2409
|
522 : rep (0) |
|
|
523 { |
|
|
524 if (is_string) |
|
|
525 rep = new octave_char_matrix_str (chm); |
|
|
526 else |
|
|
527 rep = new octave_char_matrix (chm); |
|
2376
|
528 |
|
2409
|
529 rep->count = 1; |
|
2423
|
530 maybe_mutate (); |
|
2409
|
531 } |
|
2376
|
532 |
|
|
533 octave_value::octave_value (double base, double limit, double inc) |
|
2423
|
534 : rep (new octave_range (base, limit, inc)) |
|
|
535 { |
|
|
536 rep->count = 1; |
|
|
537 maybe_mutate (); |
|
|
538 } |
|
2376
|
539 |
|
|
540 octave_value::octave_value (const Range& r) |
|
2423
|
541 : rep (new octave_range (r)) |
|
|
542 { |
|
|
543 rep->count = 1; |
|
|
544 maybe_mutate (); |
|
|
545 } |
|
2376
|
546 |
|
|
547 octave_value::octave_value (const Octave_map& m) |
|
2825
|
548 : rep (new octave_struct (m)) |
|
|
549 { |
|
|
550 rep->count = 1; |
|
2880
|
551 } |
|
|
552 |
|
3340
|
553 octave_value::octave_value (const octave_stream& s, int n) |
|
2903
|
554 : rep (new octave_file (s, n)) |
|
|
555 { |
|
|
556 rep->count = 1; |
|
|
557 } |
|
|
558 |
|
2974
|
559 octave_value::octave_value (octave_function *f) |
|
|
560 : rep (f) |
|
|
561 { |
|
|
562 rep->count = 1; |
|
|
563 } |
|
|
564 |
|
4342
|
565 octave_value::octave_value (const octave_fcn_handle& fh) |
|
|
566 : rep (new octave_fcn_handle (fh)) |
|
|
567 { |
|
|
568 rep->count = 1; |
|
|
569 } |
|
|
570 |
|
3977
|
571 octave_value::octave_value (const octave_value_list& l, bool is_cs_list) |
|
|
572 : rep (0) |
|
2880
|
573 { |
|
4038
|
574 rep = is_cs_list ? new octave_cs_list (l) : new octave_list (l); |
|
3977
|
575 |
|
2880
|
576 rep->count = 1; |
|
|
577 } |
|
2376
|
578 |
|
|
579 octave_value::octave_value (octave_value::magic_colon) |
|
2825
|
580 : rep (new octave_magic_colon ()) |
|
|
581 { |
|
|
582 rep->count = 1; |
|
|
583 } |
|
2376
|
584 |
|
|
585 octave_value::octave_value (octave_value::all_va_args) |
|
2825
|
586 : rep (new octave_all_va_args ()) |
|
|
587 { |
|
|
588 rep->count = 1; |
|
|
589 } |
|
2376
|
590 |
|
4276
|
591 octave_value::octave_value (octave_value *new_rep, int cnt) |
|
2825
|
592 : rep (new_rep) |
|
|
593 { |
|
4276
|
594 rep->count = cnt; |
|
2825
|
595 } |
|
2376
|
596 |
|
|
597 octave_value::~octave_value (void) |
|
|
598 { |
|
|
599 #if defined (MDEBUG) |
|
3531
|
600 std::cerr << "~octave_value: rep: " << rep |
|
|
601 << " rep->count: " << rep->count << "\n"; |
|
2376
|
602 #endif |
|
|
603 |
|
|
604 if (rep && --rep->count == 0) |
|
|
605 { |
|
|
606 delete rep; |
|
|
607 rep = 0; |
|
|
608 } |
|
|
609 } |
|
|
610 |
|
2880
|
611 octave_value * |
|
3933
|
612 octave_value::clone (void) const |
|
2880
|
613 { |
|
|
614 panic_impossible (); |
|
3546
|
615 return 0; |
|
2880
|
616 } |
|
|
617 |
|
2409
|
618 void |
|
|
619 octave_value::maybe_mutate (void) |
|
|
620 { |
|
2410
|
621 octave_value *tmp = rep->try_narrowing_conversion (); |
|
2409
|
622 |
|
|
623 if (tmp && tmp != rep) |
|
|
624 { |
|
|
625 if (--rep->count == 0) |
|
|
626 delete rep; |
|
|
627 |
|
|
628 rep = tmp; |
|
|
629 rep->count = 1; |
|
|
630 } |
|
|
631 } |
|
|
632 |
|
4247
|
633 octave_value |
|
4271
|
634 octave_value::single_subsref (const std::string& type, |
|
|
635 const octave_value_list& idx) |
|
4247
|
636 { |
|
|
637 std::list<octave_value_list> i; |
|
|
638 |
|
|
639 i.push_back (idx); |
|
|
640 |
|
|
641 return rep->subsref (type, i); |
|
|
642 } |
|
|
643 |
|
2974
|
644 octave_value_list |
|
4247
|
645 octave_value::subsref (const std::string& type, |
|
4219
|
646 const std::list<octave_value_list>& idx, int nargout) |
|
3933
|
647 { |
|
|
648 if (is_constant ()) |
|
|
649 return rep->subsref (type, idx); |
|
|
650 else |
|
|
651 return rep->subsref (type, idx, nargout); |
|
|
652 } |
|
|
653 |
|
|
654 octave_value |
|
4247
|
655 octave_value::next_subsref (const std::string& type, |
|
4219
|
656 const std::list<octave_value_list>& idx, |
|
4233
|
657 size_t skip) |
|
3933
|
658 { |
|
4219
|
659 if (idx.size () > skip) |
|
3933
|
660 { |
|
4219
|
661 std::list<octave_value_list> new_idx (idx); |
|
4233
|
662 for (size_t i = 0; i < skip; i++) |
|
4219
|
663 new_idx.erase (new_idx.begin ()); |
|
3933
|
664 return subsref (type.substr (skip), new_idx); |
|
|
665 } |
|
|
666 else |
|
|
667 return *this; |
|
|
668 } |
|
|
669 |
|
|
670 octave_value_list |
|
3544
|
671 octave_value::do_multi_index_op (int nargout, const octave_value_list& idx) |
|
2974
|
672 { |
|
3544
|
673 return rep->do_multi_index_op (nargout, idx); |
|
2974
|
674 } |
|
|
675 |
|
2376
|
676 static void |
|
3933
|
677 gripe_no_conversion (const std::string& on, const std::string& tn1, |
|
|
678 const std::string& tn2) |
|
2376
|
679 { |
|
3203
|
680 error ("operator %s: no conversion for assignment of `%s' to indexed `%s'", |
|
|
681 on.c_str (), tn2.c_str (), tn1.c_str ()); |
|
2376
|
682 } |
|
|
683 |
|
3933
|
684 #if 0 |
|
3204
|
685 static void |
|
3933
|
686 gripe_assign_failed (const std::string& on, const std::string& tn1, |
|
|
687 const std::string& tn2) |
|
3204
|
688 { |
|
|
689 error ("assignment failed for `%s %s %s'", |
|
|
690 tn1.c_str (), on.c_str (), tn2.c_str ()); |
|
|
691 } |
|
3933
|
692 #endif |
|
3204
|
693 |
|
|
694 static void |
|
3933
|
695 gripe_assign_failed_or_no_method (const std::string& on, |
|
|
696 const std::string& tn1, |
|
3523
|
697 const std::string& tn2) |
|
3204
|
698 { |
|
|
699 error ("assignment failed, or no method for `%s %s %s'", |
|
|
700 tn1.c_str (), on.c_str (), tn2.c_str ()); |
|
|
701 } |
|
|
702 |
|
3933
|
703 octave_value |
|
4247
|
704 octave_value::subsasgn (const std::string& type, |
|
4219
|
705 const std::list<octave_value_list>& idx, |
|
3933
|
706 const octave_value& rhs) |
|
|
707 { |
|
|
708 return rep->subsasgn (type, idx, rhs); |
|
|
709 } |
|
|
710 |
|
|
711 octave_value |
|
4247
|
712 octave_value::assign (assign_op op, const std::string& type, |
|
4219
|
713 const std::list<octave_value_list>& idx, |
|
3933
|
714 const octave_value& rhs) |
|
|
715 { |
|
|
716 octave_value retval; |
|
|
717 |
|
|
718 make_unique (); |
|
|
719 |
|
|
720 octave_value t_rhs = rhs; |
|
|
721 |
|
|
722 if (op != op_asn_eq) |
|
|
723 { |
|
|
724 // XXX FIXME XXX -- only do the following stuff if we can't find |
|
|
725 // a specific function to call to handle the op= operation for |
|
|
726 // the types we have. |
|
|
727 |
|
|
728 octave_value t = subsref (type, idx); |
|
|
729 |
|
|
730 if (! error_state) |
|
|
731 { |
|
|
732 binary_op binop = op_eq_to_binary_op (op); |
|
|
733 |
|
|
734 if (! error_state) |
|
|
735 t_rhs = do_binary_op (binop, t, rhs); |
|
|
736 } |
|
|
737 } |
|
|
738 |
|
|
739 if (! error_state) |
|
|
740 { |
|
|
741 if (type[0] == '.' && ! is_map ()) |
|
|
742 { |
|
|
743 octave_value tmp = Octave_map (); |
|
|
744 retval = tmp.subsasgn (type, idx, t_rhs); |
|
|
745 } |
|
|
746 else |
|
|
747 retval = subsasgn (type, idx, t_rhs); |
|
|
748 } |
|
|
749 |
|
|
750 if (error_state) |
|
|
751 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
752 type_name (), rhs.type_name ()); |
|
|
753 |
|
|
754 return retval; |
|
|
755 } |
|
|
756 |
|
|
757 const octave_value& |
|
3203
|
758 octave_value::assign (assign_op op, const octave_value& rhs) |
|
2880
|
759 { |
|
3533
|
760 if (op == op_asn_eq) |
|
3203
|
761 operator = (rhs); |
|
|
762 else |
|
|
763 { |
|
3204
|
764 // XXX FIXME XXX -- only do the following stuff if we can't find |
|
|
765 // a specific function to call to handle the op= operation for |
|
|
766 // the types we have. |
|
|
767 |
|
|
768 binary_op binop = op_eq_to_binary_op (op); |
|
|
769 |
|
|
770 if (! error_state) |
|
|
771 { |
|
|
772 octave_value t = do_binary_op (binop, *this, rhs); |
|
|
773 |
|
|
774 if (! error_state) |
|
|
775 operator = (t); |
|
|
776 } |
|
|
777 |
|
|
778 if (error_state) |
|
|
779 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
780 type_name (), rhs.type_name ()); |
|
|
781 } |
|
|
782 |
|
3933
|
783 return *this; |
|
2376
|
784 } |
|
|
785 |
|
3351
|
786 Cell |
|
|
787 octave_value::cell_value (void) const |
|
|
788 { |
|
|
789 return rep->cell_value (); |
|
|
790 } |
|
|
791 |
|
2376
|
792 Octave_map |
|
|
793 octave_value::map_value (void) const |
|
|
794 { |
|
|
795 return rep->map_value (); |
|
|
796 } |
|
|
797 |
|
3340
|
798 octave_stream |
|
2903
|
799 octave_value::stream_value (void) const |
|
|
800 { |
|
|
801 return rep->stream_value (); |
|
|
802 } |
|
|
803 |
|
|
804 int |
|
|
805 octave_value::stream_number (void) const |
|
|
806 { |
|
|
807 return rep->stream_number (); |
|
|
808 } |
|
|
809 |
|
2974
|
810 octave_function * |
|
|
811 octave_value::function_value (bool silent) |
|
|
812 { |
|
|
813 return rep->function_value (silent); |
|
|
814 } |
|
|
815 |
|
4346
|
816 octave_fcn_handle * |
|
4343
|
817 octave_value::fcn_handle_value (bool silent) |
|
|
818 { |
|
|
819 return rep->fcn_handle_value (silent); |
|
|
820 } |
|
|
821 |
|
2880
|
822 octave_value_list |
|
|
823 octave_value::list_value (void) const |
|
|
824 { |
|
|
825 return rep->list_value (); |
|
|
826 } |
|
|
827 |
|
2376
|
828 ColumnVector |
|
3419
|
829 octave_value::column_vector_value (bool force_string_conv, |
|
|
830 bool force_vector_conversion) const |
|
|
831 { |
|
|
832 ColumnVector retval; |
|
|
833 |
|
|
834 Matrix m = matrix_value (force_string_conv); |
|
|
835 |
|
|
836 if (error_state) |
|
|
837 return retval; |
|
|
838 |
|
|
839 int nr = m.rows (); |
|
|
840 int nc = m.columns (); |
|
|
841 |
|
|
842 if (nc == 1) |
|
|
843 { |
|
|
844 retval.resize (nr); |
|
|
845 for (int i = 0; i < nr; i++) |
|
|
846 retval (i) = m (i, 0); |
|
|
847 } |
|
|
848 else |
|
|
849 { |
|
3523
|
850 std::string tn = type_name (); |
|
3419
|
851 gripe_invalid_conversion (tn.c_str (), "real column vector"); |
|
|
852 } |
|
|
853 |
|
|
854 return retval; |
|
|
855 } |
|
|
856 |
|
|
857 ComplexColumnVector |
|
|
858 octave_value::complex_column_vector_value (bool force_string_conv, |
|
|
859 bool force_vector_conversion) const |
|
|
860 { |
|
|
861 ComplexColumnVector retval; |
|
|
862 |
|
|
863 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
864 |
|
|
865 if (error_state) |
|
|
866 return retval; |
|
|
867 |
|
|
868 int nr = m.rows (); |
|
|
869 int nc = m.columns (); |
|
|
870 |
|
|
871 if (nc == 1) |
|
|
872 { |
|
3465
|
873 retval.resize (nr); |
|
|
874 for (int i = 0; i < nr; i++) |
|
3419
|
875 retval (i) = m (i, 0); |
|
|
876 } |
|
|
877 else |
|
|
878 { |
|
3523
|
879 std::string tn = type_name (); |
|
3419
|
880 gripe_invalid_conversion (tn.c_str (), "complex column vector"); |
|
|
881 } |
|
|
882 |
|
|
883 return retval; |
|
|
884 } |
|
|
885 |
|
|
886 RowVector |
|
|
887 octave_value::row_vector_value (bool force_string_conv, |
|
|
888 bool force_vector_conversion) const |
|
|
889 { |
|
|
890 RowVector retval; |
|
|
891 |
|
|
892 Matrix m = matrix_value (force_string_conv); |
|
|
893 |
|
|
894 if (error_state) |
|
|
895 return retval; |
|
|
896 |
|
|
897 int nr = m.rows (); |
|
|
898 int nc = m.columns (); |
|
|
899 |
|
|
900 if (nr == 1) |
|
|
901 { |
|
|
902 retval.resize (nc); |
|
|
903 for (int i = 0; i < nc; i++) |
|
|
904 retval (i) = m (0, i); |
|
|
905 } |
|
|
906 else |
|
|
907 { |
|
3523
|
908 std::string tn = type_name (); |
|
3419
|
909 gripe_invalid_conversion (tn.c_str (), "real row vector"); |
|
|
910 } |
|
|
911 |
|
|
912 return retval; |
|
|
913 } |
|
|
914 |
|
|
915 ComplexRowVector |
|
|
916 octave_value::complex_row_vector_value (bool force_string_conv, |
|
|
917 bool force_vector_conversion) const |
|
|
918 { |
|
|
919 ComplexRowVector retval; |
|
|
920 |
|
|
921 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
922 |
|
|
923 if (error_state) |
|
|
924 return retval; |
|
|
925 |
|
|
926 int nr = m.rows (); |
|
|
927 int nc = m.columns (); |
|
|
928 |
|
|
929 if (nr == 1) |
|
|
930 { |
|
|
931 retval.resize (nc); |
|
|
932 for (int i = 0; i < nc; i++) |
|
|
933 retval (i) = m (0, i); |
|
|
934 } |
|
|
935 else |
|
|
936 { |
|
3523
|
937 std::string tn = type_name (); |
|
3419
|
938 gripe_invalid_conversion (tn.c_str (), "complex row vector"); |
|
|
939 } |
|
|
940 |
|
|
941 return retval; |
|
|
942 } |
|
|
943 |
|
|
944 // Sloppy... |
|
|
945 |
|
|
946 Array<double> |
|
2376
|
947 octave_value::vector_value (bool force_string_conv, |
|
|
948 bool force_vector_conversion) const |
|
|
949 { |
|
3419
|
950 Array<double> retval; |
|
2376
|
951 |
|
|
952 Matrix m = matrix_value (force_string_conv); |
|
|
953 |
|
|
954 if (error_state) |
|
|
955 return retval; |
|
|
956 |
|
|
957 int nr = m.rows (); |
|
|
958 int nc = m.columns (); |
|
|
959 |
|
|
960 if (nr == 1) |
|
|
961 { |
|
|
962 retval.resize (nc); |
|
|
963 for (int i = 0; i < nc; i++) |
|
|
964 retval (i) = m (0, i); |
|
|
965 } |
|
|
966 else if (nc == 1) |
|
|
967 { |
|
|
968 retval.resize (nr); |
|
|
969 for (int i = 0; i < nr; i++) |
|
|
970 retval (i) = m (i, 0); |
|
|
971 } |
|
|
972 else if (nr > 0 && nc > 0 |
|
|
973 && (Vdo_fortran_indexing || force_vector_conversion)) |
|
|
974 { |
|
|
975 retval.resize (nr * nc); |
|
|
976 int k = 0; |
|
|
977 for (int j = 0; j < nc; j++) |
|
|
978 for (int i = 0; i < nr; i++) |
|
4153
|
979 { |
|
|
980 OCTAVE_QUIT; |
|
|
981 |
|
|
982 retval (k++) = m (i, j); |
|
|
983 } |
|
2376
|
984 } |
|
|
985 else |
|
|
986 { |
|
3523
|
987 std::string tn = type_name (); |
|
2376
|
988 gripe_invalid_conversion (tn.c_str (), "real vector"); |
|
|
989 } |
|
|
990 |
|
|
991 return retval; |
|
|
992 } |
|
|
993 |
|
4044
|
994 Array<int> |
|
|
995 octave_value::int_vector_value (bool force_string_conv, bool require_int, |
|
|
996 bool force_vector_conversion) const |
|
|
997 { |
|
|
998 Array<int> retval; |
|
|
999 |
|
|
1000 Matrix m = matrix_value (force_string_conv); |
|
|
1001 |
|
|
1002 if (error_state) |
|
|
1003 return retval; |
|
|
1004 |
|
|
1005 int nr = m.rows (); |
|
|
1006 int nc = m.columns (); |
|
|
1007 |
|
|
1008 if (nr == 1) |
|
|
1009 { |
|
|
1010 retval.resize (nc); |
|
|
1011 for (int i = 0; i < nc; i++) |
|
|
1012 { |
|
4153
|
1013 OCTAVE_QUIT; |
|
|
1014 |
|
4044
|
1015 double d = m (0, i); |
|
|
1016 |
|
|
1017 if (require_int && D_NINT (d) != d) |
|
|
1018 { |
|
|
1019 error ("conversion to integer value failed"); |
|
|
1020 return retval; |
|
|
1021 } |
|
|
1022 |
|
|
1023 retval (i) = static_cast<int> (d); |
|
|
1024 } |
|
|
1025 } |
|
|
1026 else if (nc == 1) |
|
|
1027 { |
|
|
1028 retval.resize (nr); |
|
|
1029 for (int i = 0; i < nr; i++) |
|
|
1030 { |
|
4153
|
1031 OCTAVE_QUIT; |
|
|
1032 |
|
4044
|
1033 double d = m (i, 0); |
|
|
1034 |
|
|
1035 if (require_int && D_NINT (d) != d) |
|
|
1036 { |
|
|
1037 error ("conversion to integer value failed"); |
|
|
1038 return retval; |
|
|
1039 } |
|
|
1040 |
|
|
1041 retval (i) = static_cast<int> (d); |
|
|
1042 } |
|
|
1043 } |
|
|
1044 else if (nr > 0 && nc > 0 |
|
|
1045 && (Vdo_fortran_indexing || force_vector_conversion)) |
|
|
1046 { |
|
|
1047 retval.resize (nr * nc); |
|
|
1048 int k = 0; |
|
|
1049 for (int j = 0; j < nc; j++) |
|
|
1050 { |
|
|
1051 for (int i = 0; i < nr; i++) |
|
|
1052 { |
|
4153
|
1053 OCTAVE_QUIT; |
|
|
1054 |
|
4044
|
1055 double d = m (i, j); |
|
|
1056 |
|
|
1057 if (require_int && D_NINT (d) != d) |
|
|
1058 { |
|
|
1059 error ("conversion to integer value failed"); |
|
|
1060 return retval; |
|
|
1061 } |
|
|
1062 |
|
|
1063 retval (k++) = static_cast<int> (d); |
|
|
1064 } |
|
|
1065 } |
|
|
1066 } |
|
|
1067 else |
|
|
1068 { |
|
|
1069 std::string tn = type_name (); |
|
|
1070 gripe_invalid_conversion (tn.c_str (), "real vector"); |
|
|
1071 } |
|
|
1072 |
|
|
1073 return retval; |
|
|
1074 } |
|
|
1075 |
|
3419
|
1076 Array<Complex> |
|
2376
|
1077 octave_value::complex_vector_value (bool force_string_conv, |
|
|
1078 bool force_vector_conversion) const |
|
|
1079 { |
|
3419
|
1080 Array<Complex> retval; |
|
2376
|
1081 |
|
|
1082 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
1083 |
|
|
1084 if (error_state) |
|
|
1085 return retval; |
|
|
1086 |
|
|
1087 int nr = m.rows (); |
|
|
1088 int nc = m.columns (); |
|
|
1089 |
|
|
1090 if (nr == 1) |
|
|
1091 { |
|
|
1092 retval.resize (nc); |
|
|
1093 for (int i = 0; i < nc; i++) |
|
4153
|
1094 { |
|
|
1095 OCTAVE_QUIT; |
|
|
1096 retval (i) = m (0, i); |
|
|
1097 } |
|
2376
|
1098 } |
|
|
1099 else if (nc == 1) |
|
|
1100 { |
|
|
1101 retval.resize (nr); |
|
|
1102 for (int i = 0; i < nr; i++) |
|
4153
|
1103 { |
|
|
1104 OCTAVE_QUIT; |
|
|
1105 retval (i) = m (i, 0); |
|
|
1106 } |
|
2376
|
1107 } |
|
|
1108 else if (nr > 0 && nc > 0 |
|
|
1109 && (Vdo_fortran_indexing || force_vector_conversion)) |
|
|
1110 { |
|
|
1111 retval.resize (nr * nc); |
|
|
1112 int k = 0; |
|
|
1113 for (int j = 0; j < nc; j++) |
|
|
1114 for (int i = 0; i < nr; i++) |
|
4153
|
1115 { |
|
|
1116 OCTAVE_QUIT; |
|
|
1117 retval (k++) = m (i, j); |
|
|
1118 } |
|
2376
|
1119 } |
|
|
1120 else |
|
|
1121 { |
|
3523
|
1122 std::string tn = type_name (); |
|
2376
|
1123 gripe_invalid_conversion (tn.c_str (), "complex vector"); |
|
|
1124 } |
|
|
1125 |
|
|
1126 return retval; |
|
|
1127 } |
|
|
1128 |
|
4452
|
1129 octave_value |
|
|
1130 octave_value::convert_to_str (bool pad) const |
|
|
1131 { |
|
|
1132 octave_value retval = convert_to_str_internal (pad); |
|
|
1133 |
|
|
1134 if (is_numeric_type () && Vwarn_num_to_str) |
|
|
1135 gripe_implicit_conversion (type_name (), retval.type_name ()); |
|
|
1136 |
|
|
1137 return retval; |
|
|
1138 } |
|
|
1139 |
|
2376
|
1140 void |
|
4005
|
1141 octave_value::print_with_name (std::ostream& output_buf, |
|
|
1142 const std::string& name, |
|
2903
|
1143 bool print_padding) const |
|
2376
|
1144 { |
|
4005
|
1145 if (! (evaluating_function_body && Vsilent_functions)) |
|
|
1146 { |
|
|
1147 bool pad_after = print_name_tag (output_buf, name); |
|
2376
|
1148 |
|
4005
|
1149 print (output_buf); |
|
2376
|
1150 |
|
4005
|
1151 if (print_padding && pad_after) |
|
|
1152 newline (output_buf); |
|
|
1153 } |
|
2376
|
1154 } |
|
|
1155 |
|
|
1156 static void |
|
3523
|
1157 gripe_indexed_assignment (const std::string& tn1, const std::string& tn2) |
|
2413
|
1158 { |
|
2903
|
1159 error ("assignment of `%s' to indexed `%s' not implemented", |
|
2413
|
1160 tn2.c_str (), tn1.c_str ()); |
|
|
1161 } |
|
|
1162 |
|
|
1163 static void |
|
3933
|
1164 gripe_assign_conversion_failed (const std::string& tn1, |
|
|
1165 const std::string& tn2) |
|
2413
|
1166 { |
|
2903
|
1167 error ("type conversion for assignment of `%s' to indexed `%s' failed", |
|
2413
|
1168 tn2.c_str (), tn1.c_str ()); |
|
|
1169 } |
|
|
1170 |
|
3933
|
1171 octave_value |
|
4247
|
1172 octave_value::numeric_assign (const std::string& type, |
|
4219
|
1173 const std::list<octave_value_list>& idx, |
|
2413
|
1174 const octave_value& rhs) |
|
|
1175 { |
|
3933
|
1176 octave_value retval; |
|
2413
|
1177 |
|
|
1178 int t_lhs = type_id (); |
|
|
1179 int t_rhs = rhs.type_id (); |
|
|
1180 |
|
2880
|
1181 assign_op_fcn f |
|
3933
|
1182 = octave_value_typeinfo::lookup_assign_op (op_asn_eq, t_lhs, t_rhs); |
|
|
1183 |
|
|
1184 bool done = false; |
|
2413
|
1185 |
|
|
1186 if (f) |
|
|
1187 { |
|
3933
|
1188 f (*this, idx.front (), rhs.get_rep ()); |
|
2413
|
1189 |
|
3933
|
1190 done = (! error_state); |
|
2413
|
1191 } |
|
3933
|
1192 |
|
|
1193 if (done) |
|
|
1194 retval = octave_value (this, count + 1); |
|
3196
|
1195 else |
|
|
1196 { |
|
3933
|
1197 int t_result |
|
|
1198 = octave_value_typeinfo::lookup_pref_assign_conv (t_lhs, t_rhs); |
|
|
1199 |
|
|
1200 if (t_result >= 0) |
|
|
1201 { |
|
|
1202 type_conv_fcn cf |
|
|
1203 = octave_value_typeinfo::lookup_widening_op (t_lhs, t_result); |
|
|
1204 |
|
|
1205 if (cf) |
|
|
1206 { |
|
|
1207 octave_value *tmp (cf (*this)); |
|
3196
|
1208 |
|
3933
|
1209 if (tmp) |
|
|
1210 { |
|
|
1211 retval = tmp->subsasgn (type, idx, rhs); |
|
|
1212 |
|
|
1213 done = (! error_state); |
|
|
1214 } |
|
|
1215 else |
|
|
1216 gripe_assign_conversion_failed (type_name (), |
|
|
1217 rhs.type_name ()); |
|
|
1218 } |
|
|
1219 else |
|
|
1220 gripe_indexed_assignment (type_name (), rhs.type_name ()); |
|
|
1221 } |
|
|
1222 |
|
|
1223 if (! (done || error_state)) |
|
3196
|
1224 { |
|
3933
|
1225 octave_value tmp_rhs; |
|
|
1226 type_conv_fcn cf_rhs = rhs.numeric_conversion_function (); |
|
|
1227 |
|
|
1228 if (cf_rhs) |
|
|
1229 { |
|
|
1230 octave_value *tmp = cf_rhs (rhs.get_rep ()); |
|
|
1231 |
|
|
1232 if (tmp) |
|
|
1233 tmp_rhs = octave_value (tmp); |
|
|
1234 else |
|
|
1235 { |
|
|
1236 gripe_assign_conversion_failed (type_name (), |
|
|
1237 rhs.type_name ()); |
|
|
1238 return octave_value (); |
|
|
1239 } |
|
|
1240 } |
|
|
1241 else |
|
|
1242 tmp_rhs = rhs; |
|
|
1243 |
|
|
1244 type_conv_fcn cf_this = numeric_conversion_function (); |
|
|
1245 |
|
|
1246 octave_value *tmp_lhs = this; |
|
3196
|
1247 |
|
3933
|
1248 if (cf_this) |
|
|
1249 { |
|
|
1250 octave_value *tmp = cf_this (*this); |
|
|
1251 |
|
|
1252 if (tmp) |
|
|
1253 tmp_lhs = tmp; |
|
|
1254 else |
|
|
1255 { |
|
|
1256 gripe_assign_conversion_failed (type_name (), |
|
|
1257 rhs.type_name ()); |
|
|
1258 return octave_value (); |
|
|
1259 } |
|
|
1260 } |
|
|
1261 |
|
|
1262 if (cf_this || cf_rhs) |
|
|
1263 { |
|
|
1264 retval = tmp_lhs->subsasgn (type, idx, tmp_rhs); |
|
|
1265 |
|
|
1266 done = (! error_state); |
|
|
1267 } |
|
|
1268 else |
|
|
1269 gripe_no_conversion (assign_op_as_string (op_asn_eq), |
|
|
1270 type_name (), rhs.type_name ()); |
|
3196
|
1271 } |
|
|
1272 } |
|
2413
|
1273 |
|
|
1274 return retval; |
|
|
1275 } |
|
|
1276 |
|
|
1277 static void |
|
3933
|
1278 gripe_binary_op (const std::string& on, const std::string& tn1, |
|
|
1279 const std::string& tn2) |
|
2376
|
1280 { |
|
2903
|
1281 error ("binary operator `%s' not implemented for `%s' by `%s' operations", |
|
2376
|
1282 on.c_str (), tn1.c_str (), tn2.c_str ()); |
|
|
1283 } |
|
|
1284 |
|
3203
|
1285 static void |
|
3523
|
1286 gripe_binary_op_conv (const std::string& on) |
|
3203
|
1287 { |
|
|
1288 error ("type conversion failed for binary operator `%s'", on.c_str ()); |
|
|
1289 } |
|
|
1290 |
|
2376
|
1291 octave_value |
|
3933
|
1292 do_binary_op (octave_value::binary_op op, |
|
|
1293 const octave_value& v1, const octave_value& v2) |
|
2376
|
1294 { |
|
|
1295 octave_value retval; |
|
|
1296 |
|
|
1297 int t1 = v1.type_id (); |
|
|
1298 int t2 = v2.type_id (); |
|
|
1299 |
|
2427
|
1300 binary_op_fcn f = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
2376
|
1301 |
|
|
1302 if (f) |
|
|
1303 retval = f (*v1.rep, *v2.rep); |
|
|
1304 else |
|
|
1305 { |
|
|
1306 octave_value tv1; |
|
2427
|
1307 type_conv_fcn cf1 = v1.numeric_conversion_function (); |
|
2376
|
1308 |
|
|
1309 if (cf1) |
|
|
1310 { |
|
3203
|
1311 octave_value *tmp = cf1 (*v1.rep); |
|
|
1312 |
|
|
1313 if (tmp) |
|
|
1314 { |
|
|
1315 tv1 = octave_value (tmp); |
|
|
1316 t1 = tv1.type_id (); |
|
|
1317 } |
|
|
1318 else |
|
|
1319 { |
|
|
1320 gripe_binary_op_conv (octave_value::binary_op_as_string (op)); |
|
|
1321 return retval; |
|
|
1322 } |
|
2376
|
1323 } |
|
|
1324 else |
|
|
1325 tv1 = v1; |
|
|
1326 |
|
|
1327 octave_value tv2; |
|
2427
|
1328 type_conv_fcn cf2 = v2.numeric_conversion_function (); |
|
2376
|
1329 |
|
|
1330 if (cf2) |
|
|
1331 { |
|
3203
|
1332 octave_value *tmp = cf2 (*v2.rep); |
|
|
1333 |
|
|
1334 if (tmp) |
|
|
1335 { |
|
|
1336 tv2 = octave_value (tmp); |
|
|
1337 t2 = tv2.type_id (); |
|
|
1338 } |
|
|
1339 else |
|
|
1340 { |
|
|
1341 gripe_binary_op_conv (octave_value::binary_op_as_string (op)); |
|
|
1342 return retval; |
|
|
1343 } |
|
2376
|
1344 } |
|
|
1345 else |
|
|
1346 tv2 = v2; |
|
|
1347 |
|
|
1348 if (cf1 || cf2) |
|
|
1349 { |
|
2427
|
1350 binary_op_fcn f |
|
2376
|
1351 = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
|
1352 |
|
|
1353 if (f) |
|
|
1354 retval = f (*tv1.rep, *tv2.rep); |
|
|
1355 else |
|
|
1356 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
1357 v1.type_name (), v2.type_name ()); |
|
|
1358 } |
|
|
1359 else |
|
|
1360 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
1361 v1.type_name (), v2.type_name ()); |
|
|
1362 } |
|
|
1363 |
|
|
1364 return retval; |
|
|
1365 } |
|
|
1366 |
|
3933
|
1367 void |
|
|
1368 octave_value::print_info (std::ostream& os, const std::string& prefix) const |
|
|
1369 { |
|
|
1370 os << prefix << "type_name: " << type_name () << "\n" |
|
|
1371 << prefix << "count: " << get_count () << "\n" |
|
|
1372 << prefix << "rep info: "; |
|
|
1373 |
|
|
1374 rep->print_info (os, prefix + " "); |
|
|
1375 } |
|
|
1376 |
|
3203
|
1377 static void |
|
3523
|
1378 gripe_unary_op (const std::string& on, const std::string& tn) |
|
3203
|
1379 { |
|
|
1380 error ("unary operator `%s' not implemented for `%s' operands", |
|
|
1381 on.c_str (), tn.c_str ()); |
|
|
1382 } |
|
|
1383 |
|
|
1384 static void |
|
3523
|
1385 gripe_unary_op_conv (const std::string& on) |
|
3203
|
1386 { |
|
|
1387 error ("type conversion failed for unary operator `%s'", on.c_str ()); |
|
|
1388 } |
|
|
1389 |
|
|
1390 octave_value |
|
|
1391 do_unary_op (octave_value::unary_op op, const octave_value& v) |
|
|
1392 { |
|
|
1393 octave_value retval; |
|
|
1394 |
|
|
1395 int t = v.type_id (); |
|
|
1396 |
|
|
1397 unary_op_fcn f = octave_value_typeinfo::lookup_unary_op (op, t); |
|
|
1398 |
|
|
1399 if (f) |
|
|
1400 retval = f (*v.rep); |
|
|
1401 else |
|
|
1402 { |
|
|
1403 octave_value tv; |
|
|
1404 type_conv_fcn cf = v.numeric_conversion_function (); |
|
|
1405 |
|
|
1406 if (cf) |
|
|
1407 { |
|
|
1408 octave_value *tmp = cf (*v.rep); |
|
|
1409 |
|
|
1410 if (tmp) |
|
|
1411 { |
|
|
1412 tv = octave_value (tmp); |
|
|
1413 t = tv.type_id (); |
|
|
1414 |
|
|
1415 unary_op_fcn f = octave_value_typeinfo::lookup_unary_op (op, t); |
|
|
1416 |
|
|
1417 if (f) |
|
|
1418 retval = f (*tv.rep); |
|
|
1419 else |
|
|
1420 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1421 v.type_name ()); |
|
|
1422 } |
|
|
1423 else |
|
|
1424 gripe_unary_op_conv (octave_value::unary_op_as_string (op)); |
|
|
1425 } |
|
|
1426 else |
|
|
1427 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1428 v.type_name ()); |
|
|
1429 } |
|
|
1430 |
|
|
1431 return retval; |
|
|
1432 } |
|
|
1433 |
|
|
1434 static void |
|
3933
|
1435 gripe_unary_op_conversion_failed (const std::string& op, |
|
|
1436 const std::string& tn) |
|
3203
|
1437 { |
|
|
1438 error ("operator %s: type conversion for `%s' failed", |
|
|
1439 op.c_str (), tn.c_str ()); |
|
|
1440 } |
|
|
1441 |
|
3933
|
1442 const octave_value& |
|
|
1443 octave_value::do_non_const_unary_op (unary_op op) |
|
3203
|
1444 { |
|
|
1445 octave_value retval; |
|
|
1446 |
|
|
1447 int t = type_id (); |
|
|
1448 |
|
|
1449 non_const_unary_op_fcn f |
|
|
1450 = octave_value_typeinfo::lookup_non_const_unary_op (op, t); |
|
|
1451 |
|
|
1452 if (f) |
|
|
1453 { |
|
|
1454 make_unique (); |
|
|
1455 |
|
|
1456 f (*rep); |
|
|
1457 } |
|
|
1458 else |
|
|
1459 { |
|
|
1460 type_conv_fcn cf = numeric_conversion_function (); |
|
|
1461 |
|
|
1462 if (cf) |
|
|
1463 { |
|
|
1464 octave_value *tmp = cf (*rep); |
|
|
1465 |
|
|
1466 if (tmp) |
|
|
1467 { |
|
|
1468 octave_value *old_rep = rep; |
|
|
1469 rep = tmp; |
|
|
1470 rep->count = 1; |
|
|
1471 |
|
|
1472 t = type_id (); |
|
|
1473 |
|
|
1474 f = octave_value_typeinfo::lookup_non_const_unary_op (op, t); |
|
|
1475 |
|
|
1476 if (f) |
|
|
1477 { |
|
|
1478 f (*rep); |
|
|
1479 |
|
|
1480 if (old_rep && --old_rep->count == 0) |
|
|
1481 delete old_rep; |
|
|
1482 } |
|
|
1483 else |
|
|
1484 { |
|
|
1485 if (old_rep) |
|
|
1486 { |
|
|
1487 if (--rep->count == 0) |
|
|
1488 delete rep; |
|
|
1489 |
|
|
1490 rep = old_rep; |
|
|
1491 } |
|
|
1492 |
|
|
1493 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1494 type_name ()); |
|
|
1495 } |
|
|
1496 } |
|
|
1497 else |
|
|
1498 gripe_unary_op_conversion_failed |
|
|
1499 (octave_value::unary_op_as_string (op), type_name ()); |
|
|
1500 } |
|
|
1501 else |
|
|
1502 gripe_unary_op (octave_value::unary_op_as_string (op), type_name ()); |
|
|
1503 } |
|
3933
|
1504 |
|
|
1505 return *this; |
|
3203
|
1506 } |
|
|
1507 |
|
3933
|
1508 #if 0 |
|
3205
|
1509 static void |
|
3933
|
1510 gripe_unary_op_failed_or_no_method (const std::string& on, |
|
|
1511 const std::string& tn) |
|
3205
|
1512 { |
|
|
1513 error ("operator %s: no method, or unable to evaluate for %s operand", |
|
|
1514 on.c_str (), tn.c_str ()); |
|
|
1515 } |
|
3933
|
1516 #endif |
|
3205
|
1517 |
|
|
1518 void |
|
3933
|
1519 octave_value::do_non_const_unary_op (unary_op op, const octave_value_list& idx) |
|
3205
|
1520 { |
|
3933
|
1521 abort (); |
|
|
1522 } |
|
|
1523 |
|
|
1524 octave_value |
|
4247
|
1525 octave_value::do_non_const_unary_op (unary_op op, const std::string& type, |
|
4219
|
1526 const std::list<octave_value_list>& idx) |
|
3933
|
1527 { |
|
|
1528 octave_value retval; |
|
|
1529 |
|
|
1530 if (idx.empty ()) |
|
|
1531 { |
|
|
1532 do_non_const_unary_op (op); |
|
3205
|
1533 |
|
3933
|
1534 retval = *this; |
|
|
1535 } |
|
|
1536 else |
|
|
1537 { |
|
|
1538 // XXX FIXME XXX -- only do the following stuff if we can't find a |
|
|
1539 // specific function to call to handle the op= operation for the |
|
|
1540 // types we have. |
|
3205
|
1541 |
|
3933
|
1542 assign_op assop = unary_op_to_assign_op (op); |
|
|
1543 |
|
|
1544 retval = assign (assop, type, idx, 1.0); |
|
|
1545 } |
|
|
1546 |
|
|
1547 return retval; |
|
3205
|
1548 } |
|
|
1549 |
|
2903
|
1550 // Current indentation. |
|
|
1551 int octave_value::curr_print_indent_level = 0; |
|
|
1552 |
|
3018
|
1553 // TRUE means we are at the beginning of a line. |
|
2903
|
1554 bool octave_value::beginning_of_line = true; |
|
|
1555 |
|
|
1556 // Each print() function should call this before printing anything. |
|
|
1557 // |
|
|
1558 // This doesn't need to be fast, but isn't there a better way? |
|
|
1559 |
|
|
1560 void |
|
3523
|
1561 octave_value::indent (std::ostream& os) const |
|
2903
|
1562 { |
|
|
1563 assert (curr_print_indent_level >= 0); |
|
|
1564 |
|
|
1565 if (beginning_of_line) |
|
|
1566 { |
|
|
1567 // XXX FIXME XXX -- do we need this? |
|
|
1568 // os << prefix; |
|
|
1569 |
|
|
1570 for (int i = 0; i < curr_print_indent_level; i++) |
|
|
1571 os << " "; |
|
|
1572 |
|
|
1573 beginning_of_line = false; |
|
|
1574 } |
|
|
1575 } |
|
|
1576 |
|
|
1577 // All print() functions should use this to print new lines. |
|
|
1578 |
|
|
1579 void |
|
3523
|
1580 octave_value::newline (std::ostream& os) const |
|
2903
|
1581 { |
|
|
1582 os << "\n"; |
|
|
1583 |
|
|
1584 beginning_of_line = true; |
|
|
1585 } |
|
|
1586 |
|
|
1587 // For ressetting print state. |
|
|
1588 |
|
|
1589 void |
|
|
1590 octave_value::reset (void) const |
|
|
1591 { |
|
|
1592 beginning_of_line = true; |
|
|
1593 curr_print_indent_level = 0; |
|
|
1594 } |
|
|
1595 |
|
3205
|
1596 octave_value::assign_op |
|
|
1597 octave_value::unary_op_to_assign_op (unary_op op) |
|
|
1598 { |
|
|
1599 assign_op binop = unknown_assign_op; |
|
|
1600 |
|
|
1601 switch (op) |
|
|
1602 { |
|
3533
|
1603 case op_incr: |
|
|
1604 binop = op_add_eq; |
|
3205
|
1605 break; |
|
|
1606 |
|
3533
|
1607 case op_decr: |
|
|
1608 binop = op_sub_eq; |
|
3205
|
1609 break; |
|
|
1610 |
|
|
1611 default: |
|
|
1612 { |
|
3523
|
1613 std::string on = unary_op_as_string (op); |
|
3205
|
1614 error ("operator %s: no assign operator found", on.c_str ()); |
|
|
1615 } |
|
|
1616 } |
|
|
1617 |
|
|
1618 return binop; |
|
|
1619 } |
|
|
1620 |
|
3204
|
1621 octave_value::binary_op |
|
|
1622 octave_value::op_eq_to_binary_op (assign_op op) |
|
|
1623 { |
|
|
1624 binary_op binop = unknown_binary_op; |
|
|
1625 |
|
|
1626 switch (op) |
|
|
1627 { |
|
3533
|
1628 case op_add_eq: |
|
|
1629 binop = op_add; |
|
3204
|
1630 break; |
|
|
1631 |
|
3533
|
1632 case op_sub_eq: |
|
|
1633 binop = op_sub; |
|
3204
|
1634 break; |
|
|
1635 |
|
3533
|
1636 case op_mul_eq: |
|
|
1637 binop = op_mul; |
|
3204
|
1638 break; |
|
|
1639 |
|
3533
|
1640 case op_div_eq: |
|
|
1641 binop = op_div; |
|
3204
|
1642 break; |
|
|
1643 |
|
3533
|
1644 case op_ldiv_eq: |
|
|
1645 binop = op_ldiv; |
|
3204
|
1646 break; |
|
|
1647 |
|
4018
|
1648 case op_pow_eq: |
|
|
1649 binop = op_pow; |
|
|
1650 break; |
|
|
1651 |
|
3533
|
1652 case op_lshift_eq: |
|
|
1653 binop = op_lshift; |
|
3204
|
1654 break; |
|
|
1655 |
|
3533
|
1656 case op_rshift_eq: |
|
|
1657 binop = op_rshift; |
|
3204
|
1658 break; |
|
|
1659 |
|
3533
|
1660 case op_el_mul_eq: |
|
|
1661 binop = op_el_mul; |
|
3204
|
1662 break; |
|
|
1663 |
|
3533
|
1664 case op_el_div_eq: |
|
|
1665 binop = op_el_div; |
|
3204
|
1666 break; |
|
|
1667 |
|
3533
|
1668 case op_el_ldiv_eq: |
|
|
1669 binop = op_el_ldiv; |
|
3204
|
1670 break; |
|
|
1671 |
|
4018
|
1672 case op_el_pow_eq: |
|
|
1673 binop = op_el_pow; |
|
|
1674 break; |
|
|
1675 |
|
3533
|
1676 case op_el_and_eq: |
|
|
1677 binop = op_el_and; |
|
3204
|
1678 break; |
|
|
1679 |
|
3533
|
1680 case op_el_or_eq: |
|
|
1681 binop = op_el_or; |
|
3204
|
1682 break; |
|
|
1683 |
|
|
1684 default: |
|
|
1685 { |
|
3523
|
1686 std::string on = assign_op_as_string (op); |
|
3204
|
1687 error ("operator %s: no binary operator found", on.c_str ()); |
|
|
1688 } |
|
|
1689 } |
|
|
1690 |
|
|
1691 return binop; |
|
|
1692 } |
|
|
1693 |
|
3933
|
1694 octave_value |
|
|
1695 octave_value::empty_conv (const std::string& type, const octave_value& rhs) |
|
|
1696 { |
|
|
1697 octave_value retval; |
|
|
1698 |
|
|
1699 if (type.length () > 0) |
|
|
1700 { |
|
|
1701 switch (type[0]) |
|
|
1702 { |
|
|
1703 case '(': |
|
|
1704 { |
|
|
1705 if (type.length () > 1 && type[1] == '.') |
|
|
1706 retval = Octave_map (); |
|
|
1707 else |
|
|
1708 retval = octave_value (rhs.empty_clone ()); |
|
|
1709 } |
|
|
1710 break; |
|
|
1711 |
|
|
1712 case '{': |
|
|
1713 retval = Cell (); |
|
|
1714 break; |
|
|
1715 |
|
|
1716 case '.': |
|
|
1717 retval = Octave_map (); |
|
|
1718 break; |
|
|
1719 |
|
|
1720 default: |
|
|
1721 panic_impossible (); |
|
|
1722 } |
|
|
1723 } |
|
|
1724 else |
|
|
1725 retval = octave_value (rhs.empty_clone ()); |
|
|
1726 |
|
|
1727 return retval; |
|
|
1728 } |
|
|
1729 |
|
2376
|
1730 void |
|
|
1731 install_types (void) |
|
|
1732 { |
|
|
1733 octave_base_value::register_type (); |
|
3928
|
1734 octave_cell::register_type (); |
|
2376
|
1735 octave_scalar::register_type (); |
|
|
1736 octave_complex::register_type (); |
|
|
1737 octave_matrix::register_type (); |
|
|
1738 octave_complex_matrix::register_type (); |
|
|
1739 octave_range::register_type (); |
|
2825
|
1740 octave_bool::register_type (); |
|
|
1741 octave_bool_matrix::register_type (); |
|
2376
|
1742 octave_char_matrix::register_type (); |
|
|
1743 octave_char_matrix_str::register_type (); |
|
|
1744 octave_struct::register_type (); |
|
2903
|
1745 octave_file::register_type (); |
|
2880
|
1746 octave_list::register_type (); |
|
3977
|
1747 octave_cs_list::register_type (); |
|
2376
|
1748 octave_all_va_args::register_type (); |
|
|
1749 octave_magic_colon::register_type (); |
|
2974
|
1750 octave_builtin::register_type (); |
|
|
1751 octave_mapper::register_type (); |
|
|
1752 octave_user_function::register_type (); |
|
2376
|
1753 } |
|
|
1754 |
|
|
1755 static int |
|
|
1756 do_fortran_indexing (void) |
|
|
1757 { |
|
|
1758 Vdo_fortran_indexing = check_preference ("do_fortran_indexing"); |
|
|
1759 |
|
|
1760 liboctave_dfi_flag = Vdo_fortran_indexing; |
|
|
1761 |
|
|
1762 return 0; |
|
|
1763 } |
|
|
1764 |
|
|
1765 static int |
|
4452
|
1766 warn_imag_to_real (void) |
|
4257
|
1767 { |
|
4452
|
1768 Vwarn_imag_to_real = check_preference ("warn_imag_to_real"); |
|
4257
|
1769 |
|
|
1770 return 0; |
|
|
1771 } |
|
|
1772 |
|
|
1773 static int |
|
4452
|
1774 warn_num_to_str (void) |
|
2376
|
1775 { |
|
4452
|
1776 Vwarn_num_to_str = check_preference ("warn_num_to_str"); |
|
2376
|
1777 |
|
|
1778 return 0; |
|
|
1779 } |
|
|
1780 |
|
|
1781 static int |
|
4452
|
1782 warn_str_to_num (void) |
|
2376
|
1783 { |
|
4452
|
1784 Vwarn_str_to_num = check_preference ("warn_str_to_num"); |
|
2376
|
1785 |
|
|
1786 return 0; |
|
|
1787 } |
|
|
1788 |
|
|
1789 static int |
|
|
1790 prefer_column_vectors (void) |
|
|
1791 { |
|
|
1792 Vprefer_column_vectors |
|
|
1793 = check_preference ("prefer_column_vectors"); |
|
|
1794 |
|
|
1795 liboctave_pcv_flag = Vprefer_column_vectors; |
|
|
1796 |
|
|
1797 return 0; |
|
|
1798 } |
|
|
1799 |
|
|
1800 static int |
|
|
1801 print_answer_id_name (void) |
|
|
1802 { |
|
|
1803 Vprint_answer_id_name = check_preference ("print_answer_id_name"); |
|
|
1804 |
|
|
1805 return 0; |
|
|
1806 } |
|
|
1807 |
|
|
1808 static int |
|
|
1809 propagate_empty_matrices (void) |
|
|
1810 { |
|
|
1811 Vpropagate_empty_matrices = check_preference ("propagate_empty_matrices"); |
|
|
1812 |
|
|
1813 return 0; |
|
|
1814 } |
|
|
1815 |
|
|
1816 static int |
|
|
1817 resize_on_range_error (void) |
|
|
1818 { |
|
|
1819 Vresize_on_range_error = check_preference ("resize_on_range_error"); |
|
|
1820 |
|
|
1821 liboctave_rre_flag = Vresize_on_range_error; |
|
|
1822 |
|
|
1823 return 0; |
|
|
1824 } |
|
|
1825 |
|
|
1826 static int |
|
4005
|
1827 silent_functions (void) |
|
|
1828 { |
|
|
1829 Vsilent_functions = check_preference ("silent_functions"); |
|
|
1830 |
|
|
1831 return 0; |
|
|
1832 } |
|
|
1833 |
|
|
1834 static int |
|
2376
|
1835 struct_levels_to_print (void) |
|
|
1836 { |
|
|
1837 double val; |
|
|
1838 if (builtin_real_scalar_variable ("struct_levels_to_print", val) |
|
|
1839 && ! xisnan (val)) |
|
|
1840 { |
|
|
1841 int ival = NINT (val); |
|
3961
|
1842 if (ival == val) |
|
2376
|
1843 { |
|
|
1844 Vstruct_levels_to_print = ival; |
|
|
1845 return 0; |
|
|
1846 } |
|
|
1847 } |
|
|
1848 gripe_invalid_value_specified ("struct_levels_to_print"); |
|
|
1849 return -1; |
|
|
1850 } |
|
|
1851 |
|
|
1852 static int |
|
|
1853 warn_divide_by_zero (void) |
|
|
1854 { |
|
|
1855 Vwarn_divide_by_zero = check_preference ("warn_divide_by_zero"); |
|
|
1856 |
|
|
1857 return 0; |
|
|
1858 } |
|
|
1859 |
|
|
1860 void |
|
2909
|
1861 symbols_of_ov (void) |
|
2376
|
1862 { |
|
4233
|
1863 DEFVAR (do_fortran_indexing, false, do_fortran_indexing, |
|
3371
|
1864 "-*- texinfo -*-\n\ |
|
|
1865 @defvr {Built-in Variable} do_fortran_indexing\n\ |
|
|
1866 If the value of @code{do_fortran_indexing} is nonzero, Octave allows \n\ |
|
|
1867 you to select elements of a two-dimensional matrix using a single index\n\ |
|
|
1868 by treating the matrix as a single vector created from the columns of\n\ |
|
|
1869 the matrix. The default value is 0. \n\ |
|
|
1870 @end defvr"); |
|
2376
|
1871 |
|
4233
|
1872 DEFVAR (prefer_column_vectors, true, prefer_column_vectors, |
|
3371
|
1873 "-*- texinfo -*-\n\ |
|
|
1874 @defvr {Built-in Variable} prefer_column_vectors\n\ |
|
|
1875 If @code{prefer_column_vectors} is nonzero, operations like\n\ |
|
|
1876 \n\ |
|
|
1877 @example\n\ |
|
|
1878 for i = 1:10\n\ |
|
|
1879 a (i) = i;\n\ |
|
|
1880 endfor\n\ |
|
|
1881 @end example\n\ |
|
|
1882 \n\ |
|
|
1883 @noindent\n\ |
|
|
1884 (for @code{a} previously undefined) produce column vectors. Otherwise, row\n\ |
|
|
1885 vectors are preferred. The default value is 1.\n\ |
|
|
1886 \n\ |
|
|
1887 If a variable is already defined to be a vector (a matrix with a single\n\ |
|
|
1888 row or column), the original orientation is respected, regardless of the\n\ |
|
|
1889 value of @code{prefer_column_vectors}.\n\ |
|
|
1890 @end defvr"); |
|
2376
|
1891 |
|
4233
|
1892 DEFVAR (print_answer_id_name, true, print_answer_id_name, |
|
3372
|
1893 "-*- texinfo -*-\n\ |
|
|
1894 @defvr {Built-in Variable} print_answer_id_name\n\ |
|
|
1895 If the value of @code{print_answer_id_name} is nonzero, variable\n\ |
|
|
1896 names are printed along with the result. Otherwise, only the result\n\ |
|
|
1897 values are printed. The default value is 1.\n\ |
|
|
1898 @end defvr"); |
|
2376
|
1899 |
|
4233
|
1900 DEFVAR (propagate_empty_matrices, true, propagate_empty_matrices, |
|
3321
|
1901 "-*- texinfo -*-\n\ |
|
|
1902 @defvr {Built-in Variable} propagate_empty_matrices\n\ |
|
|
1903 If the value of @code{propagate_empty_matrices} is nonzero,\n\ |
|
|
1904 functions like @code{inverse} and @code{svd} will return an empty matrix\n\ |
|
|
1905 if they are given one as an argument. The default value is 1.\n\ |
|
3333
|
1906 @end defvr"); |
|
2376
|
1907 |
|
4233
|
1908 DEFVAR (resize_on_range_error, true, resize_on_range_error, |
|
3371
|
1909 "-*- texinfo -*-\n\ |
|
|
1910 @defvr {Built-in Variable} resize_on_range_error\n\ |
|
|
1911 If the value of @code{resize_on_range_error} is nonzero, expressions\n\ |
|
|
1912 like\n\ |
|
|
1913 \n\ |
|
|
1914 @example\n\ |
|
|
1915 for i = 1:10\n\ |
|
|
1916 a (i) = sqrt (i);\n\ |
|
|
1917 endfor\n\ |
|
|
1918 @end example\n\ |
|
|
1919 \n\ |
|
|
1920 @noindent\n\ |
|
|
1921 (for @code{a} previously undefined) result in the variable @code{a}\n\ |
|
|
1922 being resized to be just large enough to hold the new value. New\n\ |
|
|
1923 elements that have not been given a value are set to zero. If the value\n\ |
|
|
1924 of @code{resize_on_range_error} is 0, an error message is printed and\n\ |
|
|
1925 control is returned to the top level. The default value is 1.\n\ |
|
|
1926 @end defvr"); |
|
2376
|
1927 |
|
4233
|
1928 DEFVAR (silent_functions, false, silent_functions, |
|
4005
|
1929 "-*- texinfo -*-\n\ |
|
|
1930 @defvr {Built-in Variable} silent_functions\n\ |
|
|
1931 If the value of @code{silent_functions} is nonzero, internal output\n\ |
|
|
1932 from a function is suppressed. Otherwise, the results of expressions\n\ |
|
|
1933 within a function body that are not terminated with a semicolon will\n\ |
|
|
1934 have their values printed. The default value is 0.\n\ |
|
|
1935 \n\ |
|
|
1936 For example, if the function\n\ |
|
|
1937 \n\ |
|
|
1938 @example\n\ |
|
|
1939 function f ()\n\ |
|
|
1940 2 + 2\n\ |
|
|
1941 endfunction\n\ |
|
|
1942 @end example\n\ |
|
|
1943 \n\ |
|
|
1944 @noindent\n\ |
|
|
1945 is executed, Octave will either print @samp{ans = 4} or nothing\n\ |
|
|
1946 depending on the value of @code{silent_functions}.\n\ |
|
|
1947 @end defvr"); |
|
|
1948 |
|
3258
|
1949 DEFVAR (struct_levels_to_print, 2.0, struct_levels_to_print, |
|
3361
|
1950 "-*- texinfo -*-\n\ |
|
|
1951 @defvr {Built-in Variable} struct_levels_to_print\n\ |
|
|
1952 You can tell Octave how many structure levels to display by setting the\n\ |
|
|
1953 built-in variable @code{struct_levels_to_print}. The default value is 2.\n\ |
|
3363
|
1954 @end defvr"); |
|
2376
|
1955 |
|
4233
|
1956 DEFVAR (warn_divide_by_zero, true, warn_divide_by_zero, |
|
3371
|
1957 "-*- texinfo -*-\n\ |
|
|
1958 @defvr {Built-in Variable} warn_divide_by_zero\n\ |
|
|
1959 If the value of @code{warn_divide_by_zero} is nonzero, a warning\n\ |
|
|
1960 is issued when Octave encounters a division by zero. If the value is\n\ |
|
|
1961 0, the warning is omitted. The default value is 1.\n\ |
|
|
1962 @end defvr"); |
|
4451
|
1963 |
|
|
1964 DEFVAR (warn_imag_to_real, false, warn_imag_to_real, |
|
|
1965 "-*- texinfo -*-\n\ |
|
|
1966 @defvr {Built-in Variable} warn_imag_to_real\n\ |
|
|
1967 If the value of @code{warn_imag_to_real} is nonzero, a warning is\n\ |
|
|
1968 printed for implicit conversions of complex numbers to real numbers.\n\ |
|
|
1969 The default value is 0.\n\ |
|
|
1970 @end defvr"); |
|
4452
|
1971 |
|
|
1972 DEFVAR (warn_num_to_str, true, warn_num_to_str, |
|
|
1973 "-*- texinfo -*-\n\ |
|
|
1974 @defvr {Built-in Variable} warn_num_to_str\n\ |
|
|
1975 If the value of @code{warn_num_to_str} is nonzero, a warning is\n\ |
|
|
1976 printed for implicit conversions of numbers to their ASCII character\n\ |
|
|
1977 equivalents when strings are constructed using a mixture of strings and\n\ |
|
|
1978 numbers in matrix notation. For example,\n\ |
|
|
1979 \n\ |
|
|
1980 @example\n\ |
|
|
1981 @group\n\ |
|
|
1982 [ \"f\", 111, 111 ]\n\ |
|
|
1983 @result{} \"foo\"\n\ |
|
|
1984 @end group\n\ |
|
|
1985 @end example\n\ |
|
|
1986 elicits a warning if @code{warn_num_to_str} is nonzero. The default\n\ |
|
|
1987 value is 1.\n\ |
|
|
1988 @end defvr"); |
|
|
1989 |
|
|
1990 DEFVAR (warn_str_to_num, false, warn_str_to_num, |
|
|
1991 "-*- texinfo -*-\n\ |
|
|
1992 @defvr {Built-in Variable} warn_str_to_num\n\ |
|
|
1993 If the value of @code{warn_str_to_num} is nonzero, a warning is printed\n\ |
|
|
1994 for implicit conversions of strings to their numeric ASCII equivalents.\n\ |
|
|
1995 For example,\n\ |
|
|
1996 @example\n\ |
|
|
1997 @group\n\ |
|
|
1998 \"abc\" + 0\n\ |
|
|
1999 @result{} 97 98 99\n\ |
|
|
2000 @end group\n\ |
|
|
2001 @end example\n\ |
|
|
2002 elicits a warning if @code{warn_str_to_num} is nonzero. The default\n\ |
|
|
2003 value is 0.\n\ |
|
|
2004 @end defvr"); |
|
2376
|
2005 } |
|
|
2006 |
|
|
2007 /* |
|
|
2008 ;;; Local Variables: *** |
|
|
2009 ;;; mode: C++ *** |
|
|
2010 ;;; End: *** |
|
|
2011 */ |
