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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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2942
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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-streamoff.h" |
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51 #include "ov-list.h" |
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52 #include "ov-cs-list.h" |
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53 #include "ov-colon.h" |
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54 #include "ov-va-args.h" |
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55 #include "ov-builtin.h" |
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56 #include "ov-mapper.h" |
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57 #include "ov-dld-fcn.h" |
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58 #include "ov-usr-fcn.h" |
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59 #include "ov-fcn-handle.h" |
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60 #include "ov-typeinfo.h" |
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61 |
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62 #include "defun.h" |
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63 #include "error.h" |
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64 #include "gripes.h" |
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65 #include "pager.h" |
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66 #include "parse.h" |
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67 #include "pr-output.h" |
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68 #include "utils.h" |
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69 #include "variables.h" |
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70 |
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71 // We are likely to have a lot of octave_value objects to allocate, so |
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72 // make the grow_size large. |
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73 DEFINE_OCTAVE_ALLOCATOR2(octave_value, 1024); |
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74 |
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75 // If TRUE, turn off printing of results in functions (as if a |
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76 // semicolon has been appended to each statement). |
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77 static bool Vsilent_functions; |
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78 |
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79 // If TRUE, print a warning for assignments like |
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80 // |
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81 // octave> A(1) = 3; A(2) = 5 |
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82 // |
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83 // for A already defined and a matrix type. |
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84 bool Vwarn_fortran_indexing; |
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85 |
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86 // Should we warn about conversions from complex to real? |
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87 int Vwarn_imag_to_real; |
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88 |
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89 // Should we print a warning when converting `[97, 98, 99, "123"]' |
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90 // to a character string? |
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91 bool Vwarn_num_to_str; |
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92 |
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93 // If TRUE, warn for operations like |
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94 // |
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95 // octave> 'abc' + 0 |
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96 // 97 98 99 |
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97 // |
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98 int Vwarn_str_to_num; |
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99 |
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100 // If TRUE, print the name along with the value. |
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101 bool Vprint_answer_id_name; |
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102 |
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103 // How many levels of structure elements should we print? |
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104 int Vstruct_levels_to_print; |
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105 |
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106 // Allow divide by zero errors to be suppressed. |
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107 bool Vwarn_divide_by_zero; |
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108 |
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109 // If TRUE, print a warning when a matrix is resized by an indexed |
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110 // assignment with indices outside the current bounds. |
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111 bool Vwarn_resize_on_range_error; |
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112 |
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113 // XXX FIXME XXX |
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114 |
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115 // Octave's value type. |
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116 |
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117 std::string |
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118 octave_value::unary_op_as_string (unary_op op) |
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119 { |
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120 std::string retval; |
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121 |
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122 switch (op) |
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123 { |
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124 case op_not: |
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125 retval = "!"; |
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126 break; |
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127 |
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128 case op_uminus: |
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129 retval = "-"; |
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130 break; |
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131 |
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132 case op_transpose: |
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133 retval = ".'"; |
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134 break; |
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135 |
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136 case op_hermitian: |
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137 retval = "'"; |
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138 break; |
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139 |
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140 case op_incr: |
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141 retval = "++"; |
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142 break; |
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143 |
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144 case op_decr: |
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145 retval = "--"; |
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146 break; |
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147 |
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148 default: |
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149 retval = "<unknown>"; |
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150 } |
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151 |
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152 return retval; |
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153 } |
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154 |
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155 std::string |
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156 octave_value::binary_op_as_string (binary_op op) |
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157 { |
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158 std::string retval; |
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159 |
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160 switch (op) |
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161 { |
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162 case op_add: |
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163 retval = "+"; |
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164 break; |
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165 |
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166 case op_sub: |
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167 retval = "-"; |
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168 break; |
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169 |
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170 case op_mul: |
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171 retval = "*"; |
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172 break; |
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173 |
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174 case op_div: |
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175 retval = "/"; |
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176 break; |
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177 |
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178 case op_pow: |
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179 retval = "^"; |
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180 break; |
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181 |
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182 case op_ldiv: |
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183 retval = "\\"; |
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184 break; |
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185 |
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186 case op_lshift: |
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187 retval = "<<"; |
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188 break; |
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189 |
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190 case op_rshift: |
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191 retval = ">>"; |
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192 break; |
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193 |
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194 case op_lt: |
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195 retval = "<"; |
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196 break; |
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197 |
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198 case op_le: |
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199 retval = "<="; |
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200 break; |
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201 |
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202 case op_eq: |
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203 retval = "=="; |
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204 break; |
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205 |
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206 case op_ge: |
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207 retval = ">="; |
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208 break; |
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209 |
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210 case op_gt: |
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211 retval = ">"; |
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212 break; |
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213 |
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214 case op_ne: |
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215 retval = "!="; |
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216 break; |
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217 |
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218 case op_el_mul: |
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219 retval = ".*"; |
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220 break; |
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221 |
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222 case op_el_div: |
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223 retval = "./"; |
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224 break; |
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225 |
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226 case op_el_pow: |
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227 retval = ".^"; |
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228 break; |
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229 |
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230 case op_el_ldiv: |
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231 retval = ".\\"; |
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232 break; |
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233 |
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234 case op_el_and: |
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235 retval = "&"; |
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236 break; |
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237 |
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238 case op_el_or: |
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239 retval = "|"; |
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240 break; |
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241 |
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242 case op_struct_ref: |
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243 retval = "."; |
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244 break; |
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245 |
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246 default: |
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247 retval = "<unknown>"; |
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248 } |
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249 |
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250 return retval; |
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251 } |
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252 |
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253 std::string |
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254 octave_value::assign_op_as_string (assign_op op) |
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255 { |
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256 std::string retval; |
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257 |
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258 switch (op) |
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259 { |
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260 case op_asn_eq: |
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261 retval = "="; |
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262 break; |
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263 |
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264 case op_add_eq: |
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265 retval = "+="; |
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266 break; |
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267 |
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268 case op_sub_eq: |
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269 retval = "-="; |
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270 break; |
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271 |
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272 case op_mul_eq: |
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273 retval = "*="; |
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274 break; |
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275 |
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276 case op_div_eq: |
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277 retval = "/="; |
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278 break; |
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279 |
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280 case op_ldiv_eq: |
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281 retval = "\\="; |
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282 break; |
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283 |
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284 case op_pow_eq: |
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285 retval = "^="; |
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286 break; |
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287 |
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288 case op_lshift_eq: |
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289 retval = "<<="; |
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290 break; |
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291 |
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292 case op_rshift_eq: |
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293 retval = ">>="; |
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294 break; |
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295 |
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296 case op_el_mul_eq: |
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297 retval = ".*="; |
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298 break; |
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299 |
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300 case op_el_div_eq: |
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301 retval = "./="; |
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302 break; |
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303 |
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304 case op_el_ldiv_eq: |
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305 retval = ".\\="; |
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306 break; |
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307 |
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308 case op_el_pow_eq: |
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309 retval = ".^="; |
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310 break; |
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311 |
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312 case op_el_and_eq: |
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313 retval = "&="; |
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314 break; |
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315 |
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316 case op_el_or_eq: |
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317 retval = "|="; |
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318 break; |
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319 |
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320 default: |
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321 retval = "<unknown>"; |
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322 } |
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323 |
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324 return retval; |
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325 } |
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326 |
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4513
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327 octave_value * |
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328 octave_value::nil_rep (void) const |
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329 { |
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330 static octave_base_value *nr = new octave_base_value (); |
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331 return nr; |
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332 } |
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333 |
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334 octave_value::octave_value (void) |
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335 : rep (nil_rep ()) |
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336 { |
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337 rep->count++; |
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338 } |
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339 |
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340 octave_value::octave_value (short int i) |
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341 : rep (new octave_scalar (i)) |
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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 (unsigned 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 (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 (unsigned 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 (long 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 (unsigned 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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4353
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376 #if defined (HAVE_LONG_LONG_INT) |
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377 octave_value::octave_value (long long int i) |
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378 : rep (new octave_scalar (i)) |
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379 { |
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380 rep->count = 1; |
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381 } |
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382 #endif |
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383 |
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384 #if defined (HAVE_UNSIGNED_LONG_LONG_INT) |
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385 octave_value::octave_value (unsigned long long int i) |
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386 : rep (new octave_scalar (i)) |
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387 { |
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388 rep->count = 1; |
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389 } |
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390 #endif |
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391 |
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392 octave_value::octave_value (octave_time t) |
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393 : rep (new octave_scalar (t)) |
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394 { |
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395 rep->count = 1; |
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396 } |
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397 |
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398 octave_value::octave_value (double d) |
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399 : rep (new octave_scalar (d)) |
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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 (const Cell& c, bool is_csl) |
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405 : rep (0) |
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406 { |
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407 if (is_csl) |
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408 rep = new octave_cs_list (c); |
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409 else |
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410 rep = new octave_cell (c); |
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411 |
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412 rep->count = 1; |
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413 } |
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414 |
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415 octave_value::octave_value (const ArrayN<octave_value>& a, bool is_csl) |
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4532
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416 : rep (0) |
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417 { |
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418 Cell c (a); |
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419 |
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4587
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420 if (is_csl) |
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421 rep = new octave_cs_list (c); |
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422 else |
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423 rep = new octave_cell (c); |
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424 |
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425 rep->count = 1; |
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426 } |
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427 |
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428 octave_value::octave_value (const Matrix& m) |
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429 : rep (new octave_matrix (m)) |
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430 { |
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431 rep->count = 1; |
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432 maybe_mutate (); |
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433 } |
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434 |
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435 octave_value::octave_value (const NDArray& a) |
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436 : rep (new octave_matrix (a)) |
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437 { |
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438 rep->count = 1; |
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439 maybe_mutate (); |
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440 } |
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441 |
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442 octave_value::octave_value (const DiagMatrix& d) |
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443 : rep (new octave_matrix (d)) |
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444 { |
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445 rep->count = 1; |
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446 maybe_mutate (); |
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447 } |
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448 |
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449 octave_value::octave_value (const RowVector& v) |
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450 : rep (new octave_matrix (v)) |
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2423
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451 { |
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452 rep->count = 1; |
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453 maybe_mutate (); |
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454 } |
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2376
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455 |
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3418
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456 octave_value::octave_value (const ColumnVector& v) |
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457 : rep (new octave_matrix (v)) |
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2423
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458 { |
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459 rep->count = 1; |
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460 maybe_mutate (); |
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461 } |
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2376
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462 |
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463 octave_value::octave_value (const Complex& C) |
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2423
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464 : rep (new octave_complex (C)) |
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465 { |
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466 rep->count = 1; |
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467 maybe_mutate (); |
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468 } |
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2376
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469 |
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470 octave_value::octave_value (const ComplexMatrix& m) |
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2423
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471 : rep (new octave_complex_matrix (m)) |
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472 { |
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473 rep->count = 1; |
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474 maybe_mutate (); |
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475 } |
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2376
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476 |
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4513
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477 octave_value::octave_value (const ComplexNDArray& a) |
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478 : rep (new octave_complex_matrix (a)) |
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4478
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479 { |
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480 rep->count = 1; |
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481 maybe_mutate (); |
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482 } |
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483 |
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2376
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484 octave_value::octave_value (const ComplexDiagMatrix& d) |
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2423
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485 : rep (new octave_complex_matrix (d)) |
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|
486 { |
|
|
487 rep->count = 1; |
|
|
488 maybe_mutate (); |
|
|
489 } |
|
2376
|
490 |
|
3418
|
491 octave_value::octave_value (const ComplexRowVector& v) |
|
|
492 : rep (new octave_complex_matrix (v)) |
|
2423
|
493 { |
|
|
494 rep->count = 1; |
|
|
495 maybe_mutate (); |
|
|
496 } |
|
2376
|
497 |
|
3418
|
498 octave_value::octave_value (const ComplexColumnVector& v) |
|
|
499 : rep (new octave_complex_matrix (v)) |
|
2423
|
500 { |
|
|
501 rep->count = 1; |
|
|
502 maybe_mutate (); |
|
|
503 } |
|
2376
|
504 |
|
2825
|
505 octave_value::octave_value (bool b) |
|
|
506 : rep (new octave_bool (b)) |
|
|
507 { |
|
|
508 rep->count = 1; |
|
|
509 } |
|
|
510 |
|
|
511 octave_value::octave_value (const boolMatrix& bm) |
|
|
512 : rep (new octave_bool_matrix (bm)) |
|
|
513 { |
|
|
514 rep->count = 1; |
|
|
515 maybe_mutate (); |
|
|
516 } |
|
|
517 |
|
4513
|
518 octave_value::octave_value (const boolNDArray& bnda) |
|
|
519 : rep (new octave_bool_matrix (bnda)) |
|
|
520 { |
|
|
521 rep->count = 1; |
|
|
522 maybe_mutate (); |
|
|
523 } |
|
|
524 |
|
3189
|
525 octave_value::octave_value (char c) |
|
|
526 : rep (new octave_char_matrix_str (c)) |
|
|
527 { |
|
|
528 rep->count = 1; |
|
|
529 maybe_mutate (); |
|
|
530 } |
|
|
531 |
|
2376
|
532 octave_value::octave_value (const char *s) |
|
2423
|
533 : rep (new octave_char_matrix_str (s)) |
|
|
534 { |
|
|
535 rep->count = 1; |
|
|
536 maybe_mutate (); |
|
|
537 } |
|
2376
|
538 |
|
3523
|
539 octave_value::octave_value (const std::string& s) |
|
2423
|
540 : rep (new octave_char_matrix_str (s)) |
|
|
541 { |
|
|
542 rep->count = 1; |
|
|
543 maybe_mutate (); |
|
|
544 } |
|
2376
|
545 |
|
|
546 octave_value::octave_value (const string_vector& s) |
|
2423
|
547 : rep (new octave_char_matrix_str (s)) |
|
|
548 { |
|
|
549 rep->count = 1; |
|
|
550 maybe_mutate (); |
|
|
551 } |
|
2376
|
552 |
|
4587
|
553 octave_value::octave_value (const charMatrix& chm, bool is_str) |
|
|
554 : rep (is_str |
|
4513
|
555 ? new octave_char_matrix_str (chm) |
|
|
556 : new octave_char_matrix (chm)) |
|
2409
|
557 { |
|
4513
|
558 rep->count = 1; |
|
|
559 maybe_mutate (); |
|
|
560 } |
|
2376
|
561 |
|
4587
|
562 octave_value::octave_value (const charNDArray& chm, bool is_str) |
|
|
563 : rep (is_str |
|
4513
|
564 ? new octave_char_matrix_str (chm) |
|
|
565 : new octave_char_matrix (chm)) |
|
|
566 { |
|
2409
|
567 rep->count = 1; |
|
2423
|
568 maybe_mutate (); |
|
2409
|
569 } |
|
2376
|
570 |
|
|
571 octave_value::octave_value (double base, double limit, double inc) |
|
2423
|
572 : rep (new octave_range (base, limit, inc)) |
|
|
573 { |
|
|
574 rep->count = 1; |
|
|
575 maybe_mutate (); |
|
|
576 } |
|
2376
|
577 |
|
|
578 octave_value::octave_value (const Range& r) |
|
2423
|
579 : rep (new octave_range (r)) |
|
|
580 { |
|
|
581 rep->count = 1; |
|
|
582 maybe_mutate (); |
|
|
583 } |
|
2376
|
584 |
|
|
585 octave_value::octave_value (const Octave_map& m) |
|
2825
|
586 : rep (new octave_struct (m)) |
|
|
587 { |
|
|
588 rep->count = 1; |
|
2880
|
589 } |
|
|
590 |
|
3340
|
591 octave_value::octave_value (const octave_stream& s, int n) |
|
2903
|
592 : rep (new octave_file (s, n)) |
|
|
593 { |
|
|
594 rep->count = 1; |
|
|
595 } |
|
|
596 |
|
4643
|
597 octave_value::octave_value (const streamoff_array& off) |
|
|
598 : rep (new octave_streamoff (off)) |
|
|
599 { |
|
|
600 rep->count = 1; |
|
|
601 } |
|
|
602 |
|
2974
|
603 octave_value::octave_value (octave_function *f) |
|
|
604 : rep (f) |
|
|
605 { |
|
|
606 rep->count = 1; |
|
|
607 } |
|
|
608 |
|
4654
|
609 octave_value::octave_value (const fcn_handle_array& fha) |
|
|
610 : rep (new octave_fcn_handle (fha)) |
|
|
611 { |
|
|
612 rep->count = 1; |
|
|
613 } |
|
|
614 |
|
|
615 octave_value::octave_value (octave_function *f, const std::string& nm) |
|
|
616 : rep (new octave_fcn_handle (f, nm)) |
|
4342
|
617 { |
|
|
618 rep->count = 1; |
|
|
619 } |
|
|
620 |
|
4587
|
621 octave_value::octave_value (const octave_value_list& l, bool is_csl) |
|
4591
|
622 : rep (0) |
|
2880
|
623 { |
|
4591
|
624 if (is_csl) |
|
|
625 rep = new octave_cs_list (l); |
|
|
626 else |
|
|
627 rep = new octave_list (l); |
|
|
628 |
|
2880
|
629 rep->count = 1; |
|
|
630 } |
|
2376
|
631 |
|
|
632 octave_value::octave_value (octave_value::magic_colon) |
|
2825
|
633 : rep (new octave_magic_colon ()) |
|
|
634 { |
|
|
635 rep->count = 1; |
|
|
636 } |
|
2376
|
637 |
|
|
638 octave_value::octave_value (octave_value::all_va_args) |
|
2825
|
639 : rep (new octave_all_va_args ()) |
|
|
640 { |
|
|
641 rep->count = 1; |
|
|
642 } |
|
2376
|
643 |
|
4276
|
644 octave_value::octave_value (octave_value *new_rep, int cnt) |
|
2825
|
645 : rep (new_rep) |
|
|
646 { |
|
4276
|
647 rep->count = cnt; |
|
2825
|
648 } |
|
2376
|
649 |
|
|
650 octave_value::~octave_value (void) |
|
|
651 { |
|
|
652 #if defined (MDEBUG) |
|
3531
|
653 std::cerr << "~octave_value: rep: " << rep |
|
|
654 << " rep->count: " << rep->count << "\n"; |
|
2376
|
655 #endif |
|
|
656 |
|
|
657 if (rep && --rep->count == 0) |
|
|
658 { |
|
|
659 delete rep; |
|
|
660 rep = 0; |
|
|
661 } |
|
|
662 } |
|
|
663 |
|
2880
|
664 octave_value * |
|
3933
|
665 octave_value::clone (void) const |
|
2880
|
666 { |
|
|
667 panic_impossible (); |
|
3546
|
668 return 0; |
|
2880
|
669 } |
|
|
670 |
|
2409
|
671 void |
|
|
672 octave_value::maybe_mutate (void) |
|
|
673 { |
|
2410
|
674 octave_value *tmp = rep->try_narrowing_conversion (); |
|
2409
|
675 |
|
|
676 if (tmp && tmp != rep) |
|
|
677 { |
|
|
678 if (--rep->count == 0) |
|
|
679 delete rep; |
|
|
680 |
|
|
681 rep = tmp; |
|
|
682 rep->count = 1; |
|
|
683 } |
|
|
684 } |
|
|
685 |
|
4247
|
686 octave_value |
|
4271
|
687 octave_value::single_subsref (const std::string& type, |
|
|
688 const octave_value_list& idx) |
|
4247
|
689 { |
|
|
690 std::list<octave_value_list> i; |
|
|
691 |
|
|
692 i.push_back (idx); |
|
|
693 |
|
|
694 return rep->subsref (type, i); |
|
|
695 } |
|
|
696 |
|
2974
|
697 octave_value_list |
|
4247
|
698 octave_value::subsref (const std::string& type, |
|
4219
|
699 const std::list<octave_value_list>& idx, int nargout) |
|
3933
|
700 { |
|
|
701 if (is_constant ()) |
|
|
702 return rep->subsref (type, idx); |
|
|
703 else |
|
|
704 return rep->subsref (type, idx, nargout); |
|
|
705 } |
|
|
706 |
|
|
707 octave_value |
|
4247
|
708 octave_value::next_subsref (const std::string& type, |
|
4219
|
709 const std::list<octave_value_list>& idx, |
|
4233
|
710 size_t skip) |
|
3933
|
711 { |
|
4582
|
712 if (! error_state && idx.size () > skip) |
|
3933
|
713 { |
|
4219
|
714 std::list<octave_value_list> new_idx (idx); |
|
4233
|
715 for (size_t i = 0; i < skip; i++) |
|
4219
|
716 new_idx.erase (new_idx.begin ()); |
|
3933
|
717 return subsref (type.substr (skip), new_idx); |
|
|
718 } |
|
|
719 else |
|
|
720 return *this; |
|
|
721 } |
|
|
722 |
|
|
723 octave_value_list |
|
3544
|
724 octave_value::do_multi_index_op (int nargout, const octave_value_list& idx) |
|
2974
|
725 { |
|
3544
|
726 return rep->do_multi_index_op (nargout, idx); |
|
2974
|
727 } |
|
|
728 |
|
2376
|
729 static void |
|
3933
|
730 gripe_no_conversion (const std::string& on, const std::string& tn1, |
|
|
731 const std::string& tn2) |
|
2376
|
732 { |
|
3203
|
733 error ("operator %s: no conversion for assignment of `%s' to indexed `%s'", |
|
|
734 on.c_str (), tn2.c_str (), tn1.c_str ()); |
|
2376
|
735 } |
|
|
736 |
|
3933
|
737 #if 0 |
|
3204
|
738 static void |
|
3933
|
739 gripe_assign_failed (const std::string& on, const std::string& tn1, |
|
|
740 const std::string& tn2) |
|
3204
|
741 { |
|
|
742 error ("assignment failed for `%s %s %s'", |
|
|
743 tn1.c_str (), on.c_str (), tn2.c_str ()); |
|
|
744 } |
|
3933
|
745 #endif |
|
3204
|
746 |
|
|
747 static void |
|
3933
|
748 gripe_assign_failed_or_no_method (const std::string& on, |
|
|
749 const std::string& tn1, |
|
3523
|
750 const std::string& tn2) |
|
3204
|
751 { |
|
|
752 error ("assignment failed, or no method for `%s %s %s'", |
|
|
753 tn1.c_str (), on.c_str (), tn2.c_str ()); |
|
|
754 } |
|
|
755 |
|
3933
|
756 octave_value |
|
4247
|
757 octave_value::subsasgn (const std::string& type, |
|
4219
|
758 const std::list<octave_value_list>& idx, |
|
3933
|
759 const octave_value& rhs) |
|
|
760 { |
|
|
761 return rep->subsasgn (type, idx, rhs); |
|
|
762 } |
|
|
763 |
|
|
764 octave_value |
|
4247
|
765 octave_value::assign (assign_op op, const std::string& type, |
|
4219
|
766 const std::list<octave_value_list>& idx, |
|
3933
|
767 const octave_value& rhs) |
|
|
768 { |
|
|
769 octave_value retval; |
|
|
770 |
|
|
771 make_unique (); |
|
|
772 |
|
|
773 octave_value t_rhs = rhs; |
|
|
774 |
|
|
775 if (op != op_asn_eq) |
|
|
776 { |
|
|
777 // XXX FIXME XXX -- only do the following stuff if we can't find |
|
|
778 // a specific function to call to handle the op= operation for |
|
|
779 // the types we have. |
|
|
780 |
|
|
781 octave_value t = subsref (type, idx); |
|
|
782 |
|
|
783 if (! error_state) |
|
|
784 { |
|
|
785 binary_op binop = op_eq_to_binary_op (op); |
|
|
786 |
|
|
787 if (! error_state) |
|
|
788 t_rhs = do_binary_op (binop, t, rhs); |
|
|
789 } |
|
|
790 } |
|
|
791 |
|
|
792 if (! error_state) |
|
|
793 { |
|
|
794 if (type[0] == '.' && ! is_map ()) |
|
|
795 { |
|
|
796 octave_value tmp = Octave_map (); |
|
|
797 retval = tmp.subsasgn (type, idx, t_rhs); |
|
|
798 } |
|
|
799 else |
|
|
800 retval = subsasgn (type, idx, t_rhs); |
|
|
801 } |
|
|
802 |
|
|
803 if (error_state) |
|
|
804 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
805 type_name (), rhs.type_name ()); |
|
|
806 |
|
|
807 return retval; |
|
|
808 } |
|
|
809 |
|
|
810 const octave_value& |
|
3203
|
811 octave_value::assign (assign_op op, const octave_value& rhs) |
|
2880
|
812 { |
|
3533
|
813 if (op == op_asn_eq) |
|
3203
|
814 operator = (rhs); |
|
|
815 else |
|
|
816 { |
|
3204
|
817 // XXX FIXME XXX -- only do the following stuff if we can't find |
|
|
818 // a specific function to call to handle the op= operation for |
|
|
819 // the types we have. |
|
|
820 |
|
|
821 binary_op binop = op_eq_to_binary_op (op); |
|
|
822 |
|
|
823 if (! error_state) |
|
|
824 { |
|
|
825 octave_value t = do_binary_op (binop, *this, rhs); |
|
|
826 |
|
|
827 if (! error_state) |
|
|
828 operator = (t); |
|
|
829 } |
|
|
830 |
|
|
831 if (error_state) |
|
|
832 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
833 type_name (), rhs.type_name ()); |
|
|
834 } |
|
|
835 |
|
3933
|
836 return *this; |
|
2376
|
837 } |
|
|
838 |
|
4563
|
839 int |
|
|
840 octave_value::rows (void) const |
|
|
841 { |
|
|
842 dim_vector dv = dims (); |
|
|
843 |
|
|
844 return (dv.length () > 0) ? dv(0) : -1; |
|
|
845 } |
|
|
846 |
|
|
847 int |
|
|
848 octave_value::columns (void) const |
|
|
849 { |
|
|
850 dim_vector dv = dims (); |
|
|
851 |
|
|
852 return (dv.length () > 1) ? dv(1) : -1; |
|
|
853 } |
|
|
854 |
|
|
855 int |
|
|
856 octave_value::length (void) const |
|
|
857 { |
|
|
858 int retval = 0; |
|
|
859 |
|
|
860 dim_vector dv = dims (); |
|
4584
|
861 |
|
4563
|
862 for (int i = 0; i < dv.length (); i++) |
|
|
863 { |
|
|
864 if (dv(i) < 0) |
|
|
865 { |
|
|
866 retval = -1; |
|
|
867 break; |
|
|
868 } |
|
|
869 |
|
4584
|
870 if (dv(i) == 0) |
|
|
871 { |
|
|
872 retval = 0; |
|
|
873 break; |
|
|
874 } |
|
|
875 |
|
4563
|
876 if (dv(i) > retval) |
|
|
877 retval = dv(i); |
|
|
878 } |
|
|
879 |
|
|
880 return retval; |
|
|
881 } |
|
|
882 |
|
|
883 int |
|
|
884 octave_value::ndims (void) const |
|
|
885 { |
|
|
886 dim_vector dv = dims (); |
|
|
887 |
|
|
888 int n_dims = dv.length (); |
|
|
889 |
|
|
890 // Remove trailing singleton dimensions. |
|
|
891 |
|
|
892 for (int i = n_dims; i > 2; i--) |
|
|
893 { |
|
|
894 if (dv(i-1) == 1) |
|
|
895 n_dims--; |
|
|
896 else |
|
|
897 break; |
|
|
898 } |
|
|
899 |
|
|
900 // The result is always >= 2. |
|
|
901 |
|
|
902 if (n_dims < 2) |
|
|
903 n_dims = 2; |
|
|
904 |
|
|
905 return n_dims; |
|
|
906 } |
|
|
907 |
|
|
908 int |
|
|
909 octave_value::numel (void) const |
|
|
910 { |
|
|
911 dim_vector dv = dims (); |
|
|
912 |
|
4567
|
913 return dv.numel (); |
|
4563
|
914 } |
|
|
915 |
|
3351
|
916 Cell |
|
|
917 octave_value::cell_value (void) const |
|
|
918 { |
|
|
919 return rep->cell_value (); |
|
|
920 } |
|
|
921 |
|
2376
|
922 Octave_map |
|
|
923 octave_value::map_value (void) const |
|
|
924 { |
|
|
925 return rep->map_value (); |
|
|
926 } |
|
|
927 |
|
3340
|
928 octave_stream |
|
2903
|
929 octave_value::stream_value (void) const |
|
|
930 { |
|
|
931 return rep->stream_value (); |
|
|
932 } |
|
|
933 |
|
|
934 int |
|
|
935 octave_value::stream_number (void) const |
|
|
936 { |
|
|
937 return rep->stream_number (); |
|
|
938 } |
|
|
939 |
|
4645
|
940 std::streamoff |
|
4643
|
941 octave_value::streamoff_value (void) const |
|
|
942 { |
|
|
943 return rep->streamoff_value (); |
|
|
944 } |
|
|
945 |
|
4645
|
946 streamoff_array |
|
|
947 octave_value::streamoff_array_value (void) const |
|
|
948 { |
|
|
949 return rep->streamoff_array_value (); |
|
|
950 } |
|
|
951 |
|
2974
|
952 octave_function * |
|
|
953 octave_value::function_value (bool silent) |
|
|
954 { |
|
|
955 return rep->function_value (silent); |
|
|
956 } |
|
|
957 |
|
4700
|
958 octave_user_function * |
|
|
959 octave_value::user_function_value (bool silent) |
|
|
960 { |
|
|
961 return rep->user_function_value (silent); |
|
|
962 } |
|
|
963 |
|
4346
|
964 octave_fcn_handle * |
|
4343
|
965 octave_value::fcn_handle_value (bool silent) |
|
|
966 { |
|
|
967 return rep->fcn_handle_value (silent); |
|
|
968 } |
|
|
969 |
|
2880
|
970 octave_value_list |
|
|
971 octave_value::list_value (void) const |
|
|
972 { |
|
|
973 return rep->list_value (); |
|
|
974 } |
|
|
975 |
|
2376
|
976 ColumnVector |
|
3419
|
977 octave_value::column_vector_value (bool force_string_conv, |
|
4661
|
978 bool /* frc_vec_conv */) const |
|
3419
|
979 { |
|
|
980 ColumnVector retval; |
|
|
981 |
|
|
982 Matrix m = matrix_value (force_string_conv); |
|
|
983 |
|
|
984 if (error_state) |
|
|
985 return retval; |
|
|
986 |
|
|
987 int nr = m.rows (); |
|
|
988 int nc = m.columns (); |
|
|
989 |
|
|
990 if (nc == 1) |
|
|
991 { |
|
|
992 retval.resize (nr); |
|
|
993 for (int i = 0; i < nr; i++) |
|
|
994 retval (i) = m (i, 0); |
|
|
995 } |
|
|
996 else |
|
|
997 { |
|
3523
|
998 std::string tn = type_name (); |
|
3419
|
999 gripe_invalid_conversion (tn.c_str (), "real column vector"); |
|
|
1000 } |
|
|
1001 |
|
|
1002 return retval; |
|
|
1003 } |
|
|
1004 |
|
|
1005 ComplexColumnVector |
|
|
1006 octave_value::complex_column_vector_value (bool force_string_conv, |
|
4661
|
1007 bool /* frc_vec_conv */) const |
|
3419
|
1008 { |
|
|
1009 ComplexColumnVector retval; |
|
|
1010 |
|
|
1011 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
1012 |
|
|
1013 if (error_state) |
|
|
1014 return retval; |
|
|
1015 |
|
|
1016 int nr = m.rows (); |
|
|
1017 int nc = m.columns (); |
|
|
1018 |
|
|
1019 if (nc == 1) |
|
|
1020 { |
|
3465
|
1021 retval.resize (nr); |
|
|
1022 for (int i = 0; i < nr; i++) |
|
3419
|
1023 retval (i) = m (i, 0); |
|
|
1024 } |
|
|
1025 else |
|
|
1026 { |
|
3523
|
1027 std::string tn = type_name (); |
|
3419
|
1028 gripe_invalid_conversion (tn.c_str (), "complex column vector"); |
|
|
1029 } |
|
|
1030 |
|
|
1031 return retval; |
|
|
1032 } |
|
|
1033 |
|
|
1034 RowVector |
|
|
1035 octave_value::row_vector_value (bool force_string_conv, |
|
4661
|
1036 bool /* frc_vec_conv */) const |
|
3419
|
1037 { |
|
|
1038 RowVector retval; |
|
|
1039 |
|
|
1040 Matrix m = matrix_value (force_string_conv); |
|
|
1041 |
|
|
1042 if (error_state) |
|
|
1043 return retval; |
|
|
1044 |
|
|
1045 int nr = m.rows (); |
|
|
1046 int nc = m.columns (); |
|
|
1047 |
|
|
1048 if (nr == 1) |
|
|
1049 { |
|
|
1050 retval.resize (nc); |
|
|
1051 for (int i = 0; i < nc; i++) |
|
|
1052 retval (i) = m (0, i); |
|
|
1053 } |
|
|
1054 else |
|
|
1055 { |
|
3523
|
1056 std::string tn = type_name (); |
|
3419
|
1057 gripe_invalid_conversion (tn.c_str (), "real row vector"); |
|
|
1058 } |
|
|
1059 |
|
|
1060 return retval; |
|
|
1061 } |
|
|
1062 |
|
|
1063 ComplexRowVector |
|
|
1064 octave_value::complex_row_vector_value (bool force_string_conv, |
|
4661
|
1065 bool /* frc_vec_conv */) const |
|
3419
|
1066 { |
|
|
1067 ComplexRowVector retval; |
|
|
1068 |
|
|
1069 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
1070 |
|
|
1071 if (error_state) |
|
|
1072 return retval; |
|
|
1073 |
|
|
1074 int nr = m.rows (); |
|
|
1075 int nc = m.columns (); |
|
|
1076 |
|
|
1077 if (nr == 1) |
|
|
1078 { |
|
|
1079 retval.resize (nc); |
|
|
1080 for (int i = 0; i < nc; i++) |
|
|
1081 retval (i) = m (0, i); |
|
|
1082 } |
|
|
1083 else |
|
|
1084 { |
|
3523
|
1085 std::string tn = type_name (); |
|
3419
|
1086 gripe_invalid_conversion (tn.c_str (), "complex row vector"); |
|
|
1087 } |
|
|
1088 |
|
|
1089 return retval; |
|
|
1090 } |
|
|
1091 |
|
|
1092 // Sloppy... |
|
|
1093 |
|
|
1094 Array<double> |
|
2376
|
1095 octave_value::vector_value (bool force_string_conv, |
|
|
1096 bool force_vector_conversion) const |
|
|
1097 { |
|
3419
|
1098 Array<double> retval; |
|
2376
|
1099 |
|
|
1100 Matrix m = matrix_value (force_string_conv); |
|
|
1101 |
|
|
1102 if (error_state) |
|
|
1103 return retval; |
|
|
1104 |
|
|
1105 int nr = m.rows (); |
|
|
1106 int nc = m.columns (); |
|
|
1107 |
|
|
1108 if (nr == 1) |
|
|
1109 { |
|
|
1110 retval.resize (nc); |
|
|
1111 for (int i = 0; i < nc; i++) |
|
|
1112 retval (i) = m (0, i); |
|
|
1113 } |
|
|
1114 else if (nc == 1) |
|
|
1115 { |
|
|
1116 retval.resize (nr); |
|
|
1117 for (int i = 0; i < nr; i++) |
|
|
1118 retval (i) = m (i, 0); |
|
|
1119 } |
|
4455
|
1120 else if (nr > 0 && nc > 0) |
|
2376
|
1121 { |
|
4455
|
1122 // XXX FIXME XXX -- is warn_fortran_indexing the right variable here? |
|
|
1123 if (! force_vector_conversion && Vwarn_fortran_indexing) |
|
|
1124 gripe_implicit_conversion (type_name (), "real vector"); |
|
|
1125 |
|
2376
|
1126 retval.resize (nr * nc); |
|
|
1127 int k = 0; |
|
|
1128 for (int j = 0; j < nc; j++) |
|
|
1129 for (int i = 0; i < nr; i++) |
|
4153
|
1130 { |
|
|
1131 OCTAVE_QUIT; |
|
|
1132 |
|
|
1133 retval (k++) = m (i, j); |
|
|
1134 } |
|
2376
|
1135 } |
|
|
1136 else |
|
|
1137 { |
|
3523
|
1138 std::string tn = type_name (); |
|
2376
|
1139 gripe_invalid_conversion (tn.c_str (), "real vector"); |
|
|
1140 } |
|
|
1141 |
|
|
1142 return retval; |
|
|
1143 } |
|
|
1144 |
|
4044
|
1145 Array<int> |
|
|
1146 octave_value::int_vector_value (bool force_string_conv, bool require_int, |
|
|
1147 bool force_vector_conversion) const |
|
|
1148 { |
|
|
1149 Array<int> retval; |
|
|
1150 |
|
|
1151 Matrix m = matrix_value (force_string_conv); |
|
|
1152 |
|
|
1153 if (error_state) |
|
|
1154 return retval; |
|
|
1155 |
|
|
1156 int nr = m.rows (); |
|
|
1157 int nc = m.columns (); |
|
|
1158 |
|
|
1159 if (nr == 1) |
|
|
1160 { |
|
|
1161 retval.resize (nc); |
|
|
1162 for (int i = 0; i < nc; i++) |
|
|
1163 { |
|
4153
|
1164 OCTAVE_QUIT; |
|
|
1165 |
|
4044
|
1166 double d = m (0, i); |
|
|
1167 |
|
|
1168 if (require_int && D_NINT (d) != d) |
|
|
1169 { |
|
|
1170 error ("conversion to integer value failed"); |
|
|
1171 return retval; |
|
|
1172 } |
|
|
1173 |
|
|
1174 retval (i) = static_cast<int> (d); |
|
|
1175 } |
|
|
1176 } |
|
|
1177 else if (nc == 1) |
|
|
1178 { |
|
|
1179 retval.resize (nr); |
|
|
1180 for (int i = 0; i < nr; i++) |
|
|
1181 { |
|
4153
|
1182 OCTAVE_QUIT; |
|
|
1183 |
|
4044
|
1184 double d = m (i, 0); |
|
|
1185 |
|
|
1186 if (require_int && D_NINT (d) != d) |
|
|
1187 { |
|
|
1188 error ("conversion to integer value failed"); |
|
|
1189 return retval; |
|
|
1190 } |
|
|
1191 |
|
|
1192 retval (i) = static_cast<int> (d); |
|
|
1193 } |
|
|
1194 } |
|
4455
|
1195 else if (nr > 0 && nc > 0) |
|
4044
|
1196 { |
|
4455
|
1197 // XXX FIXME XXX -- is warn_fortran_indexing the right variable here? |
|
|
1198 if (! force_vector_conversion && Vwarn_fortran_indexing) |
|
|
1199 gripe_implicit_conversion (type_name (), "real vector"); |
|
|
1200 |
|
4044
|
1201 retval.resize (nr * nc); |
|
|
1202 int k = 0; |
|
|
1203 for (int j = 0; j < nc; j++) |
|
|
1204 { |
|
|
1205 for (int i = 0; i < nr; i++) |
|
|
1206 { |
|
4153
|
1207 OCTAVE_QUIT; |
|
|
1208 |
|
4044
|
1209 double d = m (i, j); |
|
|
1210 |
|
|
1211 if (require_int && D_NINT (d) != d) |
|
|
1212 { |
|
|
1213 error ("conversion to integer value failed"); |
|
|
1214 return retval; |
|
|
1215 } |
|
|
1216 |
|
|
1217 retval (k++) = static_cast<int> (d); |
|
|
1218 } |
|
|
1219 } |
|
|
1220 } |
|
|
1221 else |
|
|
1222 { |
|
|
1223 std::string tn = type_name (); |
|
|
1224 gripe_invalid_conversion (tn.c_str (), "real vector"); |
|
|
1225 } |
|
|
1226 |
|
|
1227 return retval; |
|
|
1228 } |
|
|
1229 |
|
3419
|
1230 Array<Complex> |
|
2376
|
1231 octave_value::complex_vector_value (bool force_string_conv, |
|
|
1232 bool force_vector_conversion) const |
|
|
1233 { |
|
3419
|
1234 Array<Complex> retval; |
|
2376
|
1235 |
|
|
1236 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
1237 |
|
|
1238 if (error_state) |
|
|
1239 return retval; |
|
|
1240 |
|
|
1241 int nr = m.rows (); |
|
|
1242 int nc = m.columns (); |
|
|
1243 |
|
|
1244 if (nr == 1) |
|
|
1245 { |
|
|
1246 retval.resize (nc); |
|
|
1247 for (int i = 0; i < nc; i++) |
|
4153
|
1248 { |
|
|
1249 OCTAVE_QUIT; |
|
|
1250 retval (i) = m (0, i); |
|
|
1251 } |
|
2376
|
1252 } |
|
|
1253 else if (nc == 1) |
|
|
1254 { |
|
|
1255 retval.resize (nr); |
|
|
1256 for (int i = 0; i < nr; i++) |
|
4153
|
1257 { |
|
|
1258 OCTAVE_QUIT; |
|
|
1259 retval (i) = m (i, 0); |
|
|
1260 } |
|
2376
|
1261 } |
|
4455
|
1262 else if (nr > 0 && nc > 0) |
|
2376
|
1263 { |
|
4455
|
1264 // XXX FIXME XXX -- is warn_fortran_indexing the right variable here? |
|
|
1265 if (! force_vector_conversion && Vwarn_fortran_indexing) |
|
|
1266 gripe_implicit_conversion (type_name (), "complex vector"); |
|
|
1267 |
|
2376
|
1268 retval.resize (nr * nc); |
|
|
1269 int k = 0; |
|
|
1270 for (int j = 0; j < nc; j++) |
|
|
1271 for (int i = 0; i < nr; i++) |
|
4153
|
1272 { |
|
|
1273 OCTAVE_QUIT; |
|
|
1274 retval (k++) = m (i, j); |
|
|
1275 } |
|
2376
|
1276 } |
|
|
1277 else |
|
|
1278 { |
|
3523
|
1279 std::string tn = type_name (); |
|
2376
|
1280 gripe_invalid_conversion (tn.c_str (), "complex vector"); |
|
|
1281 } |
|
|
1282 |
|
|
1283 return retval; |
|
|
1284 } |
|
|
1285 |
|
4452
|
1286 octave_value |
|
4457
|
1287 octave_value::convert_to_str (bool pad, bool force) const |
|
4452
|
1288 { |
|
4457
|
1289 octave_value retval = convert_to_str_internal (pad, force); |
|
4452
|
1290 |
|
4457
|
1291 if (! force && is_numeric_type () && Vwarn_num_to_str) |
|
4452
|
1292 gripe_implicit_conversion (type_name (), retval.type_name ()); |
|
|
1293 |
|
|
1294 return retval; |
|
|
1295 } |
|
|
1296 |
|
2376
|
1297 void |
|
4005
|
1298 octave_value::print_with_name (std::ostream& output_buf, |
|
|
1299 const std::string& name, |
|
2903
|
1300 bool print_padding) const |
|
2376
|
1301 { |
|
4005
|
1302 if (! (evaluating_function_body && Vsilent_functions)) |
|
|
1303 { |
|
|
1304 bool pad_after = print_name_tag (output_buf, name); |
|
2376
|
1305 |
|
4005
|
1306 print (output_buf); |
|
2376
|
1307 |
|
4005
|
1308 if (print_padding && pad_after) |
|
|
1309 newline (output_buf); |
|
|
1310 } |
|
2376
|
1311 } |
|
|
1312 |
|
|
1313 static void |
|
3523
|
1314 gripe_indexed_assignment (const std::string& tn1, const std::string& tn2) |
|
2413
|
1315 { |
|
2903
|
1316 error ("assignment of `%s' to indexed `%s' not implemented", |
|
2413
|
1317 tn2.c_str (), tn1.c_str ()); |
|
|
1318 } |
|
|
1319 |
|
|
1320 static void |
|
3933
|
1321 gripe_assign_conversion_failed (const std::string& tn1, |
|
|
1322 const std::string& tn2) |
|
2413
|
1323 { |
|
2903
|
1324 error ("type conversion for assignment of `%s' to indexed `%s' failed", |
|
2413
|
1325 tn2.c_str (), tn1.c_str ()); |
|
|
1326 } |
|
|
1327 |
|
3933
|
1328 octave_value |
|
4247
|
1329 octave_value::numeric_assign (const std::string& type, |
|
4219
|
1330 const std::list<octave_value_list>& idx, |
|
2413
|
1331 const octave_value& rhs) |
|
|
1332 { |
|
3933
|
1333 octave_value retval; |
|
2413
|
1334 |
|
|
1335 int t_lhs = type_id (); |
|
|
1336 int t_rhs = rhs.type_id (); |
|
|
1337 |
|
2880
|
1338 assign_op_fcn f |
|
3933
|
1339 = octave_value_typeinfo::lookup_assign_op (op_asn_eq, t_lhs, t_rhs); |
|
|
1340 |
|
|
1341 bool done = false; |
|
2413
|
1342 |
|
|
1343 if (f) |
|
|
1344 { |
|
3933
|
1345 f (*this, idx.front (), rhs.get_rep ()); |
|
2413
|
1346 |
|
3933
|
1347 done = (! error_state); |
|
2413
|
1348 } |
|
3933
|
1349 |
|
|
1350 if (done) |
|
|
1351 retval = octave_value (this, count + 1); |
|
3196
|
1352 else |
|
|
1353 { |
|
3933
|
1354 int t_result |
|
|
1355 = octave_value_typeinfo::lookup_pref_assign_conv (t_lhs, t_rhs); |
|
|
1356 |
|
|
1357 if (t_result >= 0) |
|
|
1358 { |
|
|
1359 type_conv_fcn cf |
|
|
1360 = octave_value_typeinfo::lookup_widening_op (t_lhs, t_result); |
|
|
1361 |
|
|
1362 if (cf) |
|
|
1363 { |
|
|
1364 octave_value *tmp (cf (*this)); |
|
3196
|
1365 |
|
3933
|
1366 if (tmp) |
|
|
1367 { |
|
|
1368 retval = tmp->subsasgn (type, idx, rhs); |
|
|
1369 |
|
4505
|
1370 // The assignment may have converted to a type that |
|
|
1371 // is wider than necessary. |
|
|
1372 |
|
|
1373 retval.maybe_mutate (); |
|
|
1374 |
|
3933
|
1375 done = (! error_state); |
|
|
1376 } |
|
|
1377 else |
|
|
1378 gripe_assign_conversion_failed (type_name (), |
|
|
1379 rhs.type_name ()); |
|
|
1380 } |
|
|
1381 else |
|
|
1382 gripe_indexed_assignment (type_name (), rhs.type_name ()); |
|
|
1383 } |
|
|
1384 |
|
|
1385 if (! (done || error_state)) |
|
3196
|
1386 { |
|
3933
|
1387 octave_value tmp_rhs; |
|
|
1388 type_conv_fcn cf_rhs = rhs.numeric_conversion_function (); |
|
|
1389 |
|
|
1390 if (cf_rhs) |
|
|
1391 { |
|
|
1392 octave_value *tmp = cf_rhs (rhs.get_rep ()); |
|
|
1393 |
|
|
1394 if (tmp) |
|
|
1395 tmp_rhs = octave_value (tmp); |
|
|
1396 else |
|
|
1397 { |
|
|
1398 gripe_assign_conversion_failed (type_name (), |
|
|
1399 rhs.type_name ()); |
|
|
1400 return octave_value (); |
|
|
1401 } |
|
|
1402 } |
|
|
1403 else |
|
|
1404 tmp_rhs = rhs; |
|
|
1405 |
|
|
1406 type_conv_fcn cf_this = numeric_conversion_function (); |
|
|
1407 |
|
|
1408 octave_value *tmp_lhs = this; |
|
3196
|
1409 |
|
3933
|
1410 if (cf_this) |
|
|
1411 { |
|
|
1412 octave_value *tmp = cf_this (*this); |
|
|
1413 |
|
|
1414 if (tmp) |
|
|
1415 tmp_lhs = tmp; |
|
|
1416 else |
|
|
1417 { |
|
|
1418 gripe_assign_conversion_failed (type_name (), |
|
|
1419 rhs.type_name ()); |
|
|
1420 return octave_value (); |
|
|
1421 } |
|
|
1422 } |
|
|
1423 |
|
|
1424 if (cf_this || cf_rhs) |
|
|
1425 { |
|
|
1426 retval = tmp_lhs->subsasgn (type, idx, tmp_rhs); |
|
|
1427 |
|
|
1428 done = (! error_state); |
|
|
1429 } |
|
|
1430 else |
|
|
1431 gripe_no_conversion (assign_op_as_string (op_asn_eq), |
|
|
1432 type_name (), rhs.type_name ()); |
|
3196
|
1433 } |
|
|
1434 } |
|
2413
|
1435 |
|
|
1436 return retval; |
|
|
1437 } |
|
|
1438 |
|
|
1439 static void |
|
3933
|
1440 gripe_binary_op (const std::string& on, const std::string& tn1, |
|
|
1441 const std::string& tn2) |
|
2376
|
1442 { |
|
2903
|
1443 error ("binary operator `%s' not implemented for `%s' by `%s' operations", |
|
2376
|
1444 on.c_str (), tn1.c_str (), tn2.c_str ()); |
|
|
1445 } |
|
|
1446 |
|
3203
|
1447 static void |
|
3523
|
1448 gripe_binary_op_conv (const std::string& on) |
|
3203
|
1449 { |
|
|
1450 error ("type conversion failed for binary operator `%s'", on.c_str ()); |
|
|
1451 } |
|
|
1452 |
|
2376
|
1453 octave_value |
|
3933
|
1454 do_binary_op (octave_value::binary_op op, |
|
|
1455 const octave_value& v1, const octave_value& v2) |
|
2376
|
1456 { |
|
|
1457 octave_value retval; |
|
|
1458 |
|
|
1459 int t1 = v1.type_id (); |
|
|
1460 int t2 = v2.type_id (); |
|
|
1461 |
|
2427
|
1462 binary_op_fcn f = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
2376
|
1463 |
|
|
1464 if (f) |
|
|
1465 retval = f (*v1.rep, *v2.rep); |
|
|
1466 else |
|
|
1467 { |
|
|
1468 octave_value tv1; |
|
2427
|
1469 type_conv_fcn cf1 = v1.numeric_conversion_function (); |
|
2376
|
1470 |
|
|
1471 if (cf1) |
|
|
1472 { |
|
3203
|
1473 octave_value *tmp = cf1 (*v1.rep); |
|
|
1474 |
|
|
1475 if (tmp) |
|
|
1476 { |
|
|
1477 tv1 = octave_value (tmp); |
|
|
1478 t1 = tv1.type_id (); |
|
|
1479 } |
|
|
1480 else |
|
|
1481 { |
|
|
1482 gripe_binary_op_conv (octave_value::binary_op_as_string (op)); |
|
|
1483 return retval; |
|
|
1484 } |
|
2376
|
1485 } |
|
|
1486 else |
|
|
1487 tv1 = v1; |
|
|
1488 |
|
|
1489 octave_value tv2; |
|
2427
|
1490 type_conv_fcn cf2 = v2.numeric_conversion_function (); |
|
2376
|
1491 |
|
|
1492 if (cf2) |
|
|
1493 { |
|
3203
|
1494 octave_value *tmp = cf2 (*v2.rep); |
|
|
1495 |
|
|
1496 if (tmp) |
|
|
1497 { |
|
|
1498 tv2 = octave_value (tmp); |
|
|
1499 t2 = tv2.type_id (); |
|
|
1500 } |
|
|
1501 else |
|
|
1502 { |
|
|
1503 gripe_binary_op_conv (octave_value::binary_op_as_string (op)); |
|
|
1504 return retval; |
|
|
1505 } |
|
2376
|
1506 } |
|
|
1507 else |
|
|
1508 tv2 = v2; |
|
|
1509 |
|
|
1510 if (cf1 || cf2) |
|
|
1511 { |
|
4587
|
1512 f = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
2376
|
1513 |
|
|
1514 if (f) |
|
|
1515 retval = f (*tv1.rep, *tv2.rep); |
|
|
1516 else |
|
|
1517 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
1518 v1.type_name (), v2.type_name ()); |
|
|
1519 } |
|
|
1520 else |
|
|
1521 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
1522 v1.type_name (), v2.type_name ()); |
|
|
1523 } |
|
|
1524 |
|
|
1525 return retval; |
|
|
1526 } |
|
|
1527 |
|
3933
|
1528 void |
|
|
1529 octave_value::print_info (std::ostream& os, const std::string& prefix) const |
|
|
1530 { |
|
|
1531 os << prefix << "type_name: " << type_name () << "\n" |
|
|
1532 << prefix << "count: " << get_count () << "\n" |
|
|
1533 << prefix << "rep info: "; |
|
|
1534 |
|
|
1535 rep->print_info (os, prefix + " "); |
|
|
1536 } |
|
|
1537 |
|
3203
|
1538 static void |
|
3523
|
1539 gripe_unary_op (const std::string& on, const std::string& tn) |
|
3203
|
1540 { |
|
|
1541 error ("unary operator `%s' not implemented for `%s' operands", |
|
|
1542 on.c_str (), tn.c_str ()); |
|
|
1543 } |
|
|
1544 |
|
|
1545 static void |
|
3523
|
1546 gripe_unary_op_conv (const std::string& on) |
|
3203
|
1547 { |
|
|
1548 error ("type conversion failed for unary operator `%s'", on.c_str ()); |
|
|
1549 } |
|
|
1550 |
|
|
1551 octave_value |
|
|
1552 do_unary_op (octave_value::unary_op op, const octave_value& v) |
|
|
1553 { |
|
|
1554 octave_value retval; |
|
|
1555 |
|
|
1556 int t = v.type_id (); |
|
|
1557 |
|
|
1558 unary_op_fcn f = octave_value_typeinfo::lookup_unary_op (op, t); |
|
|
1559 |
|
|
1560 if (f) |
|
|
1561 retval = f (*v.rep); |
|
|
1562 else |
|
|
1563 { |
|
|
1564 octave_value tv; |
|
|
1565 type_conv_fcn cf = v.numeric_conversion_function (); |
|
|
1566 |
|
|
1567 if (cf) |
|
|
1568 { |
|
|
1569 octave_value *tmp = cf (*v.rep); |
|
|
1570 |
|
|
1571 if (tmp) |
|
|
1572 { |
|
|
1573 tv = octave_value (tmp); |
|
|
1574 t = tv.type_id (); |
|
|
1575 |
|
4587
|
1576 f = octave_value_typeinfo::lookup_unary_op (op, t); |
|
3203
|
1577 |
|
|
1578 if (f) |
|
|
1579 retval = f (*tv.rep); |
|
|
1580 else |
|
|
1581 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1582 v.type_name ()); |
|
|
1583 } |
|
|
1584 else |
|
|
1585 gripe_unary_op_conv (octave_value::unary_op_as_string (op)); |
|
|
1586 } |
|
|
1587 else |
|
|
1588 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1589 v.type_name ()); |
|
|
1590 } |
|
|
1591 |
|
|
1592 return retval; |
|
|
1593 } |
|
|
1594 |
|
|
1595 static void |
|
3933
|
1596 gripe_unary_op_conversion_failed (const std::string& op, |
|
|
1597 const std::string& tn) |
|
3203
|
1598 { |
|
|
1599 error ("operator %s: type conversion for `%s' failed", |
|
|
1600 op.c_str (), tn.c_str ()); |
|
|
1601 } |
|
|
1602 |
|
3933
|
1603 const octave_value& |
|
|
1604 octave_value::do_non_const_unary_op (unary_op op) |
|
3203
|
1605 { |
|
|
1606 octave_value retval; |
|
|
1607 |
|
|
1608 int t = type_id (); |
|
|
1609 |
|
|
1610 non_const_unary_op_fcn f |
|
|
1611 = octave_value_typeinfo::lookup_non_const_unary_op (op, t); |
|
|
1612 |
|
|
1613 if (f) |
|
|
1614 { |
|
|
1615 make_unique (); |
|
|
1616 |
|
|
1617 f (*rep); |
|
|
1618 } |
|
|
1619 else |
|
|
1620 { |
|
|
1621 type_conv_fcn cf = numeric_conversion_function (); |
|
|
1622 |
|
|
1623 if (cf) |
|
|
1624 { |
|
|
1625 octave_value *tmp = cf (*rep); |
|
|
1626 |
|
|
1627 if (tmp) |
|
|
1628 { |
|
|
1629 octave_value *old_rep = rep; |
|
|
1630 rep = tmp; |
|
|
1631 rep->count = 1; |
|
|
1632 |
|
|
1633 t = type_id (); |
|
|
1634 |
|
|
1635 f = octave_value_typeinfo::lookup_non_const_unary_op (op, t); |
|
|
1636 |
|
|
1637 if (f) |
|
|
1638 { |
|
|
1639 f (*rep); |
|
|
1640 |
|
|
1641 if (old_rep && --old_rep->count == 0) |
|
|
1642 delete old_rep; |
|
|
1643 } |
|
|
1644 else |
|
|
1645 { |
|
|
1646 if (old_rep) |
|
|
1647 { |
|
|
1648 if (--rep->count == 0) |
|
|
1649 delete rep; |
|
|
1650 |
|
|
1651 rep = old_rep; |
|
|
1652 } |
|
|
1653 |
|
|
1654 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1655 type_name ()); |
|
|
1656 } |
|
|
1657 } |
|
|
1658 else |
|
|
1659 gripe_unary_op_conversion_failed |
|
|
1660 (octave_value::unary_op_as_string (op), type_name ()); |
|
|
1661 } |
|
|
1662 else |
|
|
1663 gripe_unary_op (octave_value::unary_op_as_string (op), type_name ()); |
|
|
1664 } |
|
3933
|
1665 |
|
|
1666 return *this; |
|
3203
|
1667 } |
|
|
1668 |
|
3933
|
1669 #if 0 |
|
3205
|
1670 static void |
|
3933
|
1671 gripe_unary_op_failed_or_no_method (const std::string& on, |
|
|
1672 const std::string& tn) |
|
3205
|
1673 { |
|
|
1674 error ("operator %s: no method, or unable to evaluate for %s operand", |
|
|
1675 on.c_str (), tn.c_str ()); |
|
|
1676 } |
|
3933
|
1677 #endif |
|
3205
|
1678 |
|
|
1679 void |
|
4661
|
1680 octave_value::do_non_const_unary_op (unary_op, const octave_value_list&) |
|
3205
|
1681 { |
|
3933
|
1682 abort (); |
|
|
1683 } |
|
|
1684 |
|
|
1685 octave_value |
|
4247
|
1686 octave_value::do_non_const_unary_op (unary_op op, const std::string& type, |
|
4219
|
1687 const std::list<octave_value_list>& idx) |
|
3933
|
1688 { |
|
|
1689 octave_value retval; |
|
|
1690 |
|
|
1691 if (idx.empty ()) |
|
|
1692 { |
|
|
1693 do_non_const_unary_op (op); |
|
3205
|
1694 |
|
3933
|
1695 retval = *this; |
|
|
1696 } |
|
|
1697 else |
|
|
1698 { |
|
|
1699 // XXX FIXME XXX -- only do the following stuff if we can't find a |
|
|
1700 // specific function to call to handle the op= operation for the |
|
|
1701 // types we have. |
|
3205
|
1702 |
|
3933
|
1703 assign_op assop = unary_op_to_assign_op (op); |
|
|
1704 |
|
|
1705 retval = assign (assop, type, idx, 1.0); |
|
|
1706 } |
|
|
1707 |
|
|
1708 return retval; |
|
3205
|
1709 } |
|
|
1710 |
|
2903
|
1711 // Current indentation. |
|
|
1712 int octave_value::curr_print_indent_level = 0; |
|
|
1713 |
|
3018
|
1714 // TRUE means we are at the beginning of a line. |
|
2903
|
1715 bool octave_value::beginning_of_line = true; |
|
|
1716 |
|
|
1717 // Each print() function should call this before printing anything. |
|
|
1718 // |
|
|
1719 // This doesn't need to be fast, but isn't there a better way? |
|
|
1720 |
|
|
1721 void |
|
3523
|
1722 octave_value::indent (std::ostream& os) const |
|
2903
|
1723 { |
|
|
1724 assert (curr_print_indent_level >= 0); |
|
|
1725 |
|
|
1726 if (beginning_of_line) |
|
|
1727 { |
|
|
1728 // XXX FIXME XXX -- do we need this? |
|
|
1729 // os << prefix; |
|
|
1730 |
|
|
1731 for (int i = 0; i < curr_print_indent_level; i++) |
|
|
1732 os << " "; |
|
|
1733 |
|
|
1734 beginning_of_line = false; |
|
|
1735 } |
|
|
1736 } |
|
|
1737 |
|
|
1738 // All print() functions should use this to print new lines. |
|
|
1739 |
|
|
1740 void |
|
3523
|
1741 octave_value::newline (std::ostream& os) const |
|
2903
|
1742 { |
|
|
1743 os << "\n"; |
|
|
1744 |
|
|
1745 beginning_of_line = true; |
|
|
1746 } |
|
|
1747 |
|
|
1748 // For ressetting print state. |
|
|
1749 |
|
|
1750 void |
|
|
1751 octave_value::reset (void) const |
|
|
1752 { |
|
|
1753 beginning_of_line = true; |
|
|
1754 curr_print_indent_level = 0; |
|
|
1755 } |
|
|
1756 |
|
3205
|
1757 octave_value::assign_op |
|
|
1758 octave_value::unary_op_to_assign_op (unary_op op) |
|
|
1759 { |
|
|
1760 assign_op binop = unknown_assign_op; |
|
|
1761 |
|
|
1762 switch (op) |
|
|
1763 { |
|
3533
|
1764 case op_incr: |
|
|
1765 binop = op_add_eq; |
|
3205
|
1766 break; |
|
|
1767 |
|
3533
|
1768 case op_decr: |
|
|
1769 binop = op_sub_eq; |
|
3205
|
1770 break; |
|
|
1771 |
|
|
1772 default: |
|
|
1773 { |
|
3523
|
1774 std::string on = unary_op_as_string (op); |
|
3205
|
1775 error ("operator %s: no assign operator found", on.c_str ()); |
|
|
1776 } |
|
|
1777 } |
|
|
1778 |
|
|
1779 return binop; |
|
|
1780 } |
|
|
1781 |
|
3204
|
1782 octave_value::binary_op |
|
|
1783 octave_value::op_eq_to_binary_op (assign_op op) |
|
|
1784 { |
|
|
1785 binary_op binop = unknown_binary_op; |
|
|
1786 |
|
|
1787 switch (op) |
|
|
1788 { |
|
3533
|
1789 case op_add_eq: |
|
|
1790 binop = op_add; |
|
3204
|
1791 break; |
|
|
1792 |
|
3533
|
1793 case op_sub_eq: |
|
|
1794 binop = op_sub; |
|
3204
|
1795 break; |
|
|
1796 |
|
3533
|
1797 case op_mul_eq: |
|
|
1798 binop = op_mul; |
|
3204
|
1799 break; |
|
|
1800 |
|
3533
|
1801 case op_div_eq: |
|
|
1802 binop = op_div; |
|
3204
|
1803 break; |
|
|
1804 |
|
3533
|
1805 case op_ldiv_eq: |
|
|
1806 binop = op_ldiv; |
|
3204
|
1807 break; |
|
|
1808 |
|
4018
|
1809 case op_pow_eq: |
|
|
1810 binop = op_pow; |
|
|
1811 break; |
|
|
1812 |
|
3533
|
1813 case op_lshift_eq: |
|
|
1814 binop = op_lshift; |
|
3204
|
1815 break; |
|
|
1816 |
|
3533
|
1817 case op_rshift_eq: |
|
|
1818 binop = op_rshift; |
|
3204
|
1819 break; |
|
|
1820 |
|
3533
|
1821 case op_el_mul_eq: |
|
|
1822 binop = op_el_mul; |
|
3204
|
1823 break; |
|
|
1824 |
|
3533
|
1825 case op_el_div_eq: |
|
|
1826 binop = op_el_div; |
|
3204
|
1827 break; |
|
|
1828 |
|
3533
|
1829 case op_el_ldiv_eq: |
|
|
1830 binop = op_el_ldiv; |
|
3204
|
1831 break; |
|
|
1832 |
|
4018
|
1833 case op_el_pow_eq: |
|
|
1834 binop = op_el_pow; |
|
|
1835 break; |
|
|
1836 |
|
3533
|
1837 case op_el_and_eq: |
|
|
1838 binop = op_el_and; |
|
3204
|
1839 break; |
|
|
1840 |
|
3533
|
1841 case op_el_or_eq: |
|
|
1842 binop = op_el_or; |
|
3204
|
1843 break; |
|
|
1844 |
|
|
1845 default: |
|
|
1846 { |
|
3523
|
1847 std::string on = assign_op_as_string (op); |
|
3204
|
1848 error ("operator %s: no binary operator found", on.c_str ()); |
|
|
1849 } |
|
|
1850 } |
|
|
1851 |
|
|
1852 return binop; |
|
|
1853 } |
|
|
1854 |
|
3933
|
1855 octave_value |
|
|
1856 octave_value::empty_conv (const std::string& type, const octave_value& rhs) |
|
|
1857 { |
|
|
1858 octave_value retval; |
|
|
1859 |
|
|
1860 if (type.length () > 0) |
|
|
1861 { |
|
|
1862 switch (type[0]) |
|
|
1863 { |
|
|
1864 case '(': |
|
|
1865 { |
|
|
1866 if (type.length () > 1 && type[1] == '.') |
|
|
1867 retval = Octave_map (); |
|
|
1868 else |
|
|
1869 retval = octave_value (rhs.empty_clone ()); |
|
|
1870 } |
|
|
1871 break; |
|
|
1872 |
|
|
1873 case '{': |
|
|
1874 retval = Cell (); |
|
|
1875 break; |
|
|
1876 |
|
|
1877 case '.': |
|
|
1878 retval = Octave_map (); |
|
|
1879 break; |
|
|
1880 |
|
|
1881 default: |
|
|
1882 panic_impossible (); |
|
|
1883 } |
|
|
1884 } |
|
|
1885 else |
|
|
1886 retval = octave_value (rhs.empty_clone ()); |
|
|
1887 |
|
|
1888 return retval; |
|
|
1889 } |
|
|
1890 |
|
2376
|
1891 void |
|
|
1892 install_types (void) |
|
|
1893 { |
|
|
1894 octave_base_value::register_type (); |
|
3928
|
1895 octave_cell::register_type (); |
|
2376
|
1896 octave_scalar::register_type (); |
|
|
1897 octave_complex::register_type (); |
|
|
1898 octave_matrix::register_type (); |
|
|
1899 octave_complex_matrix::register_type (); |
|
|
1900 octave_range::register_type (); |
|
2825
|
1901 octave_bool::register_type (); |
|
|
1902 octave_bool_matrix::register_type (); |
|
2376
|
1903 octave_char_matrix::register_type (); |
|
|
1904 octave_char_matrix_str::register_type (); |
|
|
1905 octave_struct::register_type (); |
|
2903
|
1906 octave_file::register_type (); |
|
2880
|
1907 octave_list::register_type (); |
|
3977
|
1908 octave_cs_list::register_type (); |
|
2376
|
1909 octave_all_va_args::register_type (); |
|
|
1910 octave_magic_colon::register_type (); |
|
2974
|
1911 octave_builtin::register_type (); |
|
|
1912 octave_mapper::register_type (); |
|
|
1913 octave_user_function::register_type (); |
|
4649
|
1914 octave_dld_function::register_type (); |
|
4643
|
1915 octave_fcn_handle::register_type (); |
|
|
1916 octave_streamoff::register_type (); |
|
2376
|
1917 } |
|
|
1918 |
|
|
1919 static int |
|
4455
|
1920 warn_fortran_indexing (void) |
|
2376
|
1921 { |
|
4455
|
1922 Vwarn_fortran_indexing = check_preference ("warn_fortran_indexing"); |
|
2376
|
1923 |
|
4455
|
1924 liboctave_wfi_flag = Vwarn_fortran_indexing; |
|
2376
|
1925 |
|
|
1926 return 0; |
|
|
1927 } |
|
|
1928 |
|
|
1929 static int |
|
4452
|
1930 warn_imag_to_real (void) |
|
4257
|
1931 { |
|
4452
|
1932 Vwarn_imag_to_real = check_preference ("warn_imag_to_real"); |
|
4257
|
1933 |
|
|
1934 return 0; |
|
|
1935 } |
|
|
1936 |
|
|
1937 static int |
|
4452
|
1938 warn_num_to_str (void) |
|
2376
|
1939 { |
|
4452
|
1940 Vwarn_num_to_str = check_preference ("warn_num_to_str"); |
|
2376
|
1941 |
|
|
1942 return 0; |
|
|
1943 } |
|
|
1944 |
|
|
1945 static int |
|
4452
|
1946 warn_str_to_num (void) |
|
2376
|
1947 { |
|
4452
|
1948 Vwarn_str_to_num = check_preference ("warn_str_to_num"); |
|
2376
|
1949 |
|
|
1950 return 0; |
|
|
1951 } |
|
|
1952 |
|
|
1953 static int |
|
|
1954 print_answer_id_name (void) |
|
|
1955 { |
|
|
1956 Vprint_answer_id_name = check_preference ("print_answer_id_name"); |
|
|
1957 |
|
|
1958 return 0; |
|
|
1959 } |
|
|
1960 |
|
|
1961 static int |
|
4461
|
1962 warn_resize_on_range_error (void) |
|
2376
|
1963 { |
|
4461
|
1964 Vwarn_resize_on_range_error |
|
|
1965 = check_preference ("warn_resize_on_range_error"); |
|
2376
|
1966 |
|
4461
|
1967 liboctave_wrore_flag = Vwarn_resize_on_range_error; |
|
2376
|
1968 |
|
|
1969 return 0; |
|
|
1970 } |
|
|
1971 |
|
|
1972 static int |
|
4005
|
1973 silent_functions (void) |
|
|
1974 { |
|
|
1975 Vsilent_functions = check_preference ("silent_functions"); |
|
|
1976 |
|
|
1977 return 0; |
|
|
1978 } |
|
|
1979 |
|
|
1980 static int |
|
2376
|
1981 struct_levels_to_print (void) |
|
|
1982 { |
|
|
1983 double val; |
|
|
1984 if (builtin_real_scalar_variable ("struct_levels_to_print", val) |
|
|
1985 && ! xisnan (val)) |
|
|
1986 { |
|
|
1987 int ival = NINT (val); |
|
3961
|
1988 if (ival == val) |
|
2376
|
1989 { |
|
|
1990 Vstruct_levels_to_print = ival; |
|
|
1991 return 0; |
|
|
1992 } |
|
|
1993 } |
|
|
1994 gripe_invalid_value_specified ("struct_levels_to_print"); |
|
|
1995 return -1; |
|
|
1996 } |
|
|
1997 |
|
|
1998 static int |
|
|
1999 warn_divide_by_zero (void) |
|
|
2000 { |
|
|
2001 Vwarn_divide_by_zero = check_preference ("warn_divide_by_zero"); |
|
|
2002 |
|
|
2003 return 0; |
|
|
2004 } |
|
|
2005 |
|
|
2006 void |
|
2909
|
2007 symbols_of_ov (void) |
|
2376
|
2008 { |
|
4233
|
2009 DEFVAR (print_answer_id_name, true, print_answer_id_name, |
|
3372
|
2010 "-*- texinfo -*-\n\ |
|
|
2011 @defvr {Built-in Variable} print_answer_id_name\n\ |
|
|
2012 If the value of @code{print_answer_id_name} is nonzero, variable\n\ |
|
|
2013 names are printed along with the result. Otherwise, only the result\n\ |
|
|
2014 values are printed. The default value is 1.\n\ |
|
|
2015 @end defvr"); |
|
2376
|
2016 |
|
4233
|
2017 DEFVAR (silent_functions, false, silent_functions, |
|
4005
|
2018 "-*- texinfo -*-\n\ |
|
|
2019 @defvr {Built-in Variable} silent_functions\n\ |
|
|
2020 If the value of @code{silent_functions} is nonzero, internal output\n\ |
|
|
2021 from a function is suppressed. Otherwise, the results of expressions\n\ |
|
|
2022 within a function body that are not terminated with a semicolon will\n\ |
|
|
2023 have their values printed. The default value is 0.\n\ |
|
|
2024 \n\ |
|
|
2025 For example, if the function\n\ |
|
|
2026 \n\ |
|
|
2027 @example\n\ |
|
|
2028 function f ()\n\ |
|
|
2029 2 + 2\n\ |
|
|
2030 endfunction\n\ |
|
|
2031 @end example\n\ |
|
|
2032 \n\ |
|
|
2033 @noindent\n\ |
|
|
2034 is executed, Octave will either print @samp{ans = 4} or nothing\n\ |
|
|
2035 depending on the value of @code{silent_functions}.\n\ |
|
|
2036 @end defvr"); |
|
|
2037 |
|
3258
|
2038 DEFVAR (struct_levels_to_print, 2.0, struct_levels_to_print, |
|
3361
|
2039 "-*- texinfo -*-\n\ |
|
|
2040 @defvr {Built-in Variable} struct_levels_to_print\n\ |
|
|
2041 You can tell Octave how many structure levels to display by setting the\n\ |
|
|
2042 built-in variable @code{struct_levels_to_print}. The default value is 2.\n\ |
|
3363
|
2043 @end defvr"); |
|
2376
|
2044 |
|
4233
|
2045 DEFVAR (warn_divide_by_zero, true, warn_divide_by_zero, |
|
3371
|
2046 "-*- texinfo -*-\n\ |
|
|
2047 @defvr {Built-in Variable} warn_divide_by_zero\n\ |
|
|
2048 If the value of @code{warn_divide_by_zero} is nonzero, a warning\n\ |
|
|
2049 is issued when Octave encounters a division by zero. If the value is\n\ |
|
|
2050 0, the warning is omitted. The default value is 1.\n\ |
|
|
2051 @end defvr"); |
|
4451
|
2052 |
|
4455
|
2053 DEFVAR (warn_fortran_indexing, false, warn_fortran_indexing, |
|
|
2054 "-*- texinfo -*-\n\ |
|
|
2055 @defvr {Built-in Variable} warn_fortran_indexing\n\ |
|
|
2056 If the value of @code{warn_fortran_indexing} is nonzero, a warning is\n\ |
|
|
2057 printed for expressions which select elements of a two-dimensional matrix\n\ |
|
|
2058 using a single index. The default value is 0.\n\ |
|
|
2059 @end defvr"); |
|
|
2060 |
|
4451
|
2061 DEFVAR (warn_imag_to_real, false, warn_imag_to_real, |
|
|
2062 "-*- texinfo -*-\n\ |
|
|
2063 @defvr {Built-in Variable} warn_imag_to_real\n\ |
|
|
2064 If the value of @code{warn_imag_to_real} is nonzero, a warning is\n\ |
|
|
2065 printed for implicit conversions of complex numbers to real numbers.\n\ |
|
|
2066 The default value is 0.\n\ |
|
|
2067 @end defvr"); |
|
4452
|
2068 |
|
|
2069 DEFVAR (warn_num_to_str, true, warn_num_to_str, |
|
|
2070 "-*- texinfo -*-\n\ |
|
|
2071 @defvr {Built-in Variable} warn_num_to_str\n\ |
|
|
2072 If the value of @code{warn_num_to_str} is nonzero, a warning is\n\ |
|
|
2073 printed for implicit conversions of numbers to their ASCII character\n\ |
|
|
2074 equivalents when strings are constructed using a mixture of strings and\n\ |
|
|
2075 numbers in matrix notation. For example,\n\ |
|
|
2076 \n\ |
|
|
2077 @example\n\ |
|
|
2078 @group\n\ |
|
|
2079 [ \"f\", 111, 111 ]\n\ |
|
|
2080 @result{} \"foo\"\n\ |
|
|
2081 @end group\n\ |
|
|
2082 @end example\n\ |
|
|
2083 elicits a warning if @code{warn_num_to_str} is nonzero. The default\n\ |
|
|
2084 value is 1.\n\ |
|
|
2085 @end defvr"); |
|
|
2086 |
|
4461
|
2087 DEFVAR (warn_resize_on_range_error, false, warn_resize_on_range_error, |
|
|
2088 "-*- texinfo -*-\n\ |
|
|
2089 @defvr {Built-in Variable} warn_resize_on_range_error\n\ |
|
|
2090 If the value of @code{warn_resize_on_range_error} is nonzero, print a\n\ |
|
|
2091 warning when a matrix is resized by an indexed assignment with\n\ |
|
|
2092 indices outside the current bounds. The default value is 0.\n\ |
|
|
2093 @end defvr"); |
|
|
2094 |
|
4452
|
2095 DEFVAR (warn_str_to_num, false, warn_str_to_num, |
|
|
2096 "-*- texinfo -*-\n\ |
|
|
2097 @defvr {Built-in Variable} warn_str_to_num\n\ |
|
|
2098 If the value of @code{warn_str_to_num} is nonzero, a warning is printed\n\ |
|
|
2099 for implicit conversions of strings to their numeric ASCII equivalents.\n\ |
|
|
2100 For example,\n\ |
|
|
2101 @example\n\ |
|
|
2102 @group\n\ |
|
|
2103 \"abc\" + 0\n\ |
|
|
2104 @result{} 97 98 99\n\ |
|
|
2105 @end group\n\ |
|
|
2106 @end example\n\ |
|
|
2107 elicits a warning if @code{warn_str_to_num} is nonzero. The default\n\ |
|
|
2108 value is 0.\n\ |
|
|
2109 @end defvr"); |
|
2376
|
2110 } |
|
|
2111 |
|
|
2112 /* |
|
|
2113 ;;; Local Variables: *** |
|
|
2114 ;;; mode: C++ *** |
|
|
2115 ;;; End: *** |
|
|
2116 */ |
