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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if defined (__GNUG__) |
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24 #pragma implementation |
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25 #endif |
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26 |
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27 #ifdef HAVE_CONFIG_H |
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28 #include <config.h> |
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29 #endif |
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30 |
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31 #include "Array-flags.h" |
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32 |
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33 #include "ov.h" |
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34 #include "ov-base.h" |
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35 #include "ov-bool.h" |
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36 #include "ov-bool-mat.h" |
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37 #include "ov-scalar.h" |
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38 #include "ov-re-mat.h" |
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39 #include "ov-complex.h" |
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40 #include "ov-cx-mat.h" |
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41 #include "ov-ch-mat.h" |
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42 #include "ov-str-mat.h" |
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43 #include "ov-range.h" |
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44 #include "ov-struct.h" |
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45 #include "ov-colon.h" |
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46 #include "ov-va-args.h" |
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47 #include "ov-typeinfo.h" |
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48 |
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49 #include "defun.h" |
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50 #include "gripes.h" |
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51 #include "pager.h" |
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52 #include "pr-output.h" |
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53 #include "utils.h" |
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54 #include "variables.h" |
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55 |
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56 // We are likely to have a lot of octave_value objects to allocate, so |
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57 // make the grow_size large. |
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58 octave_allocator |
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59 octave_value::allocator (sizeof (octave_value), 1024); |
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60 |
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61 // If TRUE, allow assignments like |
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62 // |
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63 // octave> A(1) = 3; A(2) = 5 |
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64 // |
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65 // for A already defined and a matrix type. |
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66 bool Vdo_fortran_indexing; |
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67 |
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68 // Should we allow things like: |
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69 // |
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70 // octave> 'abc' + 0 |
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71 // 97 98 99 |
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72 // |
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73 // to happen? A positive value means yes. A negative value means |
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74 // yes, but print a warning message. Zero means it should be |
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75 // considered an error. |
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76 int Vimplicit_str_to_num_ok; |
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77 |
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78 // Should we allow silent conversion of complex to real when a real |
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79 // type is what we're really looking for? A positive value means yes. |
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80 // A negative value means yes, but print a warning message. Zero |
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81 // means it should be considered an error. |
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82 int Vok_to_lose_imaginary_part; |
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83 |
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84 // If TRUE, create column vectors when doing assignments like: |
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85 // |
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86 // octave> A(1) = 3; A(2) = 5 |
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87 // |
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88 // (for A undefined). Only matters when resize_on_range_error is also |
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89 // TRUE. |
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90 bool Vprefer_column_vectors; |
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91 |
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92 // If TRUE, print the name along with the value. |
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93 bool Vprint_answer_id_name; |
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94 |
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95 // Should operations on empty matrices return empty matrices or an |
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96 // error? A positive value means yes. A negative value means yes, |
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97 // but print a warning message. Zero means it should be considered an |
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98 // error. |
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99 int Vpropagate_empty_matrices; |
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100 |
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101 // If TRUE, resize matrices when performing and indexed assignment and |
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102 // the indices are outside the current bounds. |
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103 bool Vresize_on_range_error; |
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104 |
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105 // How many levels of structure elements should we print? |
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106 int Vstruct_levels_to_print; |
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107 |
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108 // Allow divide by zero errors to be suppressed. |
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109 bool Vwarn_divide_by_zero; |
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110 |
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111 // Indentation level for structures. |
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112 int struct_indent = 0; |
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113 |
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114 // XXX FIXME XXX |
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115 void |
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116 increment_struct_indent (void) |
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117 { |
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118 struct_indent += 2; |
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119 } |
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120 |
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121 void |
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122 decrement_struct_indent (void) |
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123 { |
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124 struct_indent -= 2; |
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125 } |
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126 |
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127 // Octave's value type. |
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128 |
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129 string |
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130 octave_value::binary_op_as_string (binary_op op) |
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131 { |
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132 string retval; |
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133 |
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134 switch (op) |
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135 { |
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136 case add: |
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137 retval = "+"; |
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138 break; |
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139 |
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140 case sub: |
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141 retval = "-"; |
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142 break; |
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143 |
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144 case mul: |
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145 retval = "*"; |
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146 break; |
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147 |
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148 case div: |
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149 retval = "/"; |
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150 break; |
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151 |
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152 case pow: |
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153 retval = "^"; |
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154 break; |
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155 |
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156 case ldiv: |
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157 retval = "\\"; |
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158 break; |
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159 |
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160 case lt: |
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161 retval = "<"; |
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162 break; |
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163 |
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164 case le: |
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165 retval = "<="; |
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166 break; |
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167 |
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168 case eq: |
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169 retval = "=="; |
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170 break; |
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171 |
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172 case ge: |
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173 retval = ">="; |
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174 break; |
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175 |
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176 case gt: |
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177 retval = ">"; |
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178 break; |
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179 |
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180 case ne: |
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181 retval = "!="; |
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182 break; |
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183 |
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184 case el_mul: |
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185 retval = ".*"; |
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186 break; |
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187 |
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188 case el_div: |
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189 retval = "./"; |
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190 break; |
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191 |
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192 case el_pow: |
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193 retval = ".^"; |
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194 break; |
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195 |
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196 case el_ldiv: |
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197 retval = ".\\"; |
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198 break; |
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199 |
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200 case el_and: |
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201 retval = "&"; |
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202 break; |
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203 |
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204 case el_or: |
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205 retval = "|"; |
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206 break; |
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207 |
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208 case struct_ref: |
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209 retval = "."; |
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210 break; |
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211 |
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212 default: |
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213 retval = "<unknown>"; |
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214 } |
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215 |
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216 return retval; |
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217 } |
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218 |
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219 octave_value::octave_value (void) |
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220 : rep (new octave_base_value ()) |
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221 { |
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222 rep->count = 1; |
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223 } |
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224 |
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225 octave_value::octave_value (double d) |
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226 : rep (new octave_scalar (d)) |
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227 { |
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228 rep->count = 1; |
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229 } |
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230 |
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231 octave_value::octave_value (const Matrix& m) |
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232 : rep (new octave_matrix (m)) |
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233 { |
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234 rep->count = 1; |
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235 maybe_mutate (); |
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236 } |
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237 |
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238 octave_value::octave_value (const DiagMatrix& d) |
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239 : rep (new octave_matrix (d)) |
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240 { |
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241 rep->count = 1; |
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242 maybe_mutate (); |
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243 } |
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244 |
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245 octave_value::octave_value (const RowVector& v, int pcv) |
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246 : rep (new octave_matrix (v, pcv)) |
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247 { |
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248 rep->count = 1; |
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249 maybe_mutate (); |
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250 } |
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251 |
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252 octave_value::octave_value (const ColumnVector& v, int pcv) |
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253 : rep (new octave_matrix (v, pcv)) |
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254 { |
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255 rep->count = 1; |
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256 maybe_mutate (); |
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257 } |
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258 |
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259 octave_value::octave_value (const Complex& C) |
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260 : rep (new octave_complex (C)) |
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261 { |
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262 rep->count = 1; |
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263 maybe_mutate (); |
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264 } |
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265 |
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266 octave_value::octave_value (const ComplexMatrix& m) |
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267 : rep (new octave_complex_matrix (m)) |
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268 { |
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269 rep->count = 1; |
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270 maybe_mutate (); |
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271 } |
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272 |
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273 octave_value::octave_value (const ComplexDiagMatrix& d) |
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274 : rep (new octave_complex_matrix (d)) |
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275 { |
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276 rep->count = 1; |
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277 maybe_mutate (); |
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278 } |
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279 |
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280 octave_value::octave_value (const ComplexRowVector& v, int pcv) |
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281 : rep (new octave_complex_matrix (v, pcv)) |
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282 { |
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283 rep->count = 1; |
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284 maybe_mutate (); |
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285 } |
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286 |
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287 octave_value::octave_value (const ComplexColumnVector& v, int pcv) |
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288 : rep (new octave_complex_matrix (v, pcv)) |
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289 { |
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290 rep->count = 1; |
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291 maybe_mutate (); |
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292 } |
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293 |
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294 octave_value::octave_value (bool b) |
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295 : rep (new octave_bool (b)) |
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296 { |
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297 rep->count = 1; |
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298 } |
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299 |
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300 octave_value::octave_value (const boolMatrix& bm) |
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301 : rep (new octave_bool_matrix (bm)) |
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302 { |
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303 rep->count = 1; |
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304 maybe_mutate (); |
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305 } |
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306 |
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307 octave_value::octave_value (const char *s) |
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308 : rep (new octave_char_matrix_str (s)) |
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309 { |
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310 rep->count = 1; |
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311 maybe_mutate (); |
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312 } |
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313 |
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314 octave_value::octave_value (const string& s) |
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315 : rep (new octave_char_matrix_str (s)) |
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316 { |
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317 rep->count = 1; |
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318 maybe_mutate (); |
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319 } |
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320 |
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321 octave_value::octave_value (const string_vector& s) |
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322 : rep (new octave_char_matrix_str (s)) |
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323 { |
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324 rep->count = 1; |
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325 maybe_mutate (); |
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326 } |
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327 |
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328 octave_value::octave_value (const charMatrix& chm, bool is_string) |
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329 : rep (0) |
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330 { |
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331 if (is_string) |
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332 rep = new octave_char_matrix_str (chm); |
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333 else |
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334 rep = new octave_char_matrix (chm); |
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335 |
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336 rep->count = 1; |
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337 maybe_mutate (); |
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338 } |
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339 |
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340 octave_value::octave_value (double base, double limit, double inc) |
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341 : rep (new octave_range (base, limit, inc)) |
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342 { |
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343 rep->count = 1; |
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344 maybe_mutate (); |
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345 } |
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346 |
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347 octave_value::octave_value (const Range& r) |
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348 : rep (new octave_range (r)) |
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349 { |
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350 rep->count = 1; |
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351 maybe_mutate (); |
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352 } |
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353 |
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354 octave_value::octave_value (const Octave_map& m) |
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355 : rep (new octave_struct (m)) |
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356 { |
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357 rep->count = 1; |
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358 } |
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359 |
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360 octave_value::octave_value (octave_value::magic_colon) |
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361 : rep (new octave_magic_colon ()) |
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362 { |
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363 rep->count = 1; |
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364 } |
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365 |
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366 octave_value::octave_value (octave_value::all_va_args) |
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367 : rep (new octave_all_va_args ()) |
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368 { |
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369 rep->count = 1; |
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370 } |
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371 |
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372 octave_value::octave_value (octave_value *new_rep) |
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373 : rep (new_rep) |
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374 { |
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375 rep->count = 1; |
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376 } |
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377 |
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378 octave_value::~octave_value (void) |
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379 { |
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380 #if defined (MDEBUG) |
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381 cerr << "~octave_value: rep: " << rep |
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382 << " rep->count: " << rep->count << "\n"; |
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383 #endif |
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384 |
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385 if (rep && --rep->count == 0) |
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386 { |
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387 delete rep; |
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388 rep = 0; |
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389 } |
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390 } |
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391 |
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392 void |
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393 octave_value::maybe_mutate (void) |
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394 { |
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395 octave_value *tmp = rep->try_narrowing_conversion (); |
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396 |
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397 if (tmp && tmp != rep) |
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398 { |
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399 if (--rep->count == 0) |
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400 delete rep; |
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401 |
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402 rep = tmp; |
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403 rep->count = 1; |
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404 } |
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405 } |
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406 |
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407 static void |
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408 gripe_no_conversion (const string& tn1, const string& tn2) |
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409 { |
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410 error ("no suitable conversion found for assignment of %s to indexed %s", |
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411 tn2.c_str (), tn1.c_str ()); |
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412 } |
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413 |
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414 octave_value& |
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415 octave_value::assign (const octave_value_list& idx, const octave_value& rhs) |
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416 { |
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417 make_unique (); |
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418 |
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419 bool assignment_ok = try_assignment (idx, rhs); |
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420 |
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421 if (! (error_state || assignment_ok)) |
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422 { |
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423 assignment_ok = try_assignment_with_conversion (idx, rhs); |
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424 |
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425 if (! (error_state || assignment_ok)) |
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426 gripe_no_conversion (type_name (), rhs.type_name ()); |
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427 } |
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428 |
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429 if (! error_state) |
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430 maybe_mutate (); |
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431 |
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432 return *this; |
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433 } |
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434 |
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435 Octave_map |
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436 octave_value::map_value (void) const |
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437 { |
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438 return rep->map_value (); |
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439 } |
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440 |
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441 ColumnVector |
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442 octave_value::vector_value (bool force_string_conv, |
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443 bool force_vector_conversion) const |
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444 { |
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445 ColumnVector retval; |
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446 |
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447 Matrix m = matrix_value (force_string_conv); |
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448 |
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449 if (error_state) |
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450 return retval; |
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451 |
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452 int nr = m.rows (); |
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453 int nc = m.columns (); |
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454 |
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455 if (nr == 1) |
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456 { |
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457 retval.resize (nc); |
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458 for (int i = 0; i < nc; i++) |
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459 retval (i) = m (0, i); |
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460 } |
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461 else if (nc == 1) |
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462 { |
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463 retval.resize (nr); |
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464 for (int i = 0; i < nr; i++) |
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465 retval (i) = m (i, 0); |
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466 } |
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467 else if (nr > 0 && nc > 0 |
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468 && (Vdo_fortran_indexing || force_vector_conversion)) |
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469 { |
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470 retval.resize (nr * nc); |
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471 int k = 0; |
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472 for (int j = 0; j < nc; j++) |
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473 for (int i = 0; i < nr; i++) |
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474 retval (k++) = m (i, j); |
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475 } |
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476 else |
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477 { |
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478 string tn = type_name (); |
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479 gripe_invalid_conversion (tn.c_str (), "real vector"); |
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480 } |
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481 |
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482 return retval; |
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483 } |
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484 |
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485 ComplexColumnVector |
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486 octave_value::complex_vector_value (bool force_string_conv, |
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487 bool force_vector_conversion) const |
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488 { |
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489 ComplexColumnVector retval; |
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490 |
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491 ComplexMatrix m = complex_matrix_value (force_string_conv); |
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492 |
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493 if (error_state) |
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494 return retval; |
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495 |
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496 int nr = m.rows (); |
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497 int nc = m.columns (); |
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498 |
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499 if (nr == 1) |
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500 { |
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501 retval.resize (nc); |
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502 for (int i = 0; i < nc; i++) |
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503 retval (i) = m (0, i); |
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504 } |
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505 else if (nc == 1) |
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|
506 { |
|
|
507 retval.resize (nr); |
|
|
508 for (int i = 0; i < nr; i++) |
|
|
509 retval (i) = m (i, 0); |
|
|
510 } |
|
|
511 else if (nr > 0 && nc > 0 |
|
|
512 && (Vdo_fortran_indexing || force_vector_conversion)) |
|
|
513 { |
|
|
514 retval.resize (nr * nc); |
|
|
515 int k = 0; |
|
|
516 for (int j = 0; j < nc; j++) |
|
|
517 for (int i = 0; i < nr; i++) |
|
|
518 retval (k++) = m (i, j); |
|
|
519 } |
|
|
520 else |
|
|
521 { |
|
|
522 string tn = type_name (); |
|
|
523 gripe_invalid_conversion (tn.c_str (), "complex vector"); |
|
|
524 } |
|
|
525 |
|
|
526 return retval; |
|
|
527 } |
|
|
528 |
|
|
529 void |
|
2466
|
530 octave_value::print (bool pr_as_read_syntax) |
|
2376
|
531 { |
|
2466
|
532 print (octave_stdout, pr_as_read_syntax); |
|
2376
|
533 } |
|
|
534 |
|
|
535 void |
|
|
536 octave_value::print_with_name (const string& name, bool print_padding) |
|
|
537 { |
|
|
538 print_with_name (octave_stdout, name, print_padding); |
|
|
539 } |
|
|
540 |
|
|
541 void |
|
|
542 octave_value::print_with_name (ostream& output_buf, const string& name, |
|
|
543 bool print_padding) |
|
|
544 { |
|
|
545 bool pad_after = false; |
|
|
546 |
|
|
547 if (Vprint_answer_id_name) |
|
|
548 { |
|
|
549 if (print_as_scalar ()) |
|
|
550 output_buf << name << " = "; |
|
2475
|
551 else if (is_map ()) |
|
2376
|
552 { |
|
|
553 pad_after = true; |
|
|
554 output_buf << name << " ="; |
|
|
555 } |
|
|
556 else |
|
|
557 { |
|
|
558 pad_after = true; |
|
|
559 output_buf << name << " =\n\n"; |
|
|
560 } |
|
|
561 } |
|
|
562 |
|
|
563 print (output_buf); |
|
|
564 |
|
|
565 if (print_padding && pad_after) |
|
|
566 output_buf << "\n"; |
|
|
567 } |
|
|
568 |
|
|
569 bool |
|
|
570 octave_value::print_as_scalar (void) |
|
|
571 { |
|
|
572 int nr = rows (); |
|
|
573 int nc = columns (); |
|
|
574 |
|
|
575 return (is_scalar_type () |
|
|
576 || (is_string () && nr <= 1) |
|
|
577 || (is_matrix_type () |
|
|
578 && ((nr == 1 && nc == 1) |
|
|
579 || nr == 0 |
|
|
580 || nc == 0))); |
|
|
581 } |
|
|
582 |
|
|
583 static void |
|
2413
|
584 gripe_indexed_assignment (const string& tn1, const string& tn2) |
|
|
585 { |
|
|
586 error ("assignment of %s to indexed %s not implemented", |
|
|
587 tn2.c_str (), tn1.c_str ()); |
|
|
588 } |
|
|
589 |
|
|
590 static void |
|
|
591 gripe_conversion_failed (const string& tn1, const string& tn2) |
|
|
592 { |
|
|
593 error ("type conversion for assignment of %s to indexed %s failed", |
|
|
594 tn2.c_str (), tn1.c_str ()); |
|
|
595 } |
|
|
596 |
|
|
597 bool |
|
|
598 octave_value::convert_and_assign (const octave_value_list& idx, |
|
|
599 const octave_value& rhs) |
|
|
600 { |
|
|
601 bool assignment_ok = false; |
|
|
602 |
|
|
603 int t_lhs = type_id (); |
|
|
604 int t_rhs = rhs.type_id (); |
|
|
605 |
|
|
606 int t_result |
|
|
607 = octave_value_typeinfo::lookup_pref_assign_conv (t_lhs, t_rhs); |
|
|
608 |
|
|
609 if (t_result >= 0) |
|
|
610 { |
|
2427
|
611 type_conv_fcn cf |
|
2413
|
612 = octave_value_typeinfo::lookup_widening_op (t_lhs, t_result); |
|
|
613 |
|
|
614 if (cf) |
|
|
615 { |
|
|
616 octave_value *tmp = cf (*rep); |
|
|
617 |
|
|
618 if (tmp) |
|
|
619 { |
|
2589
|
620 octave_value *old_rep = rep; |
|
|
621 rep = tmp; |
|
|
622 rep->count = 1; |
|
|
623 |
|
|
624 assignment_ok = try_assignment (idx, rhs); |
|
|
625 |
|
|
626 if (! assignment_ok && old_rep) |
|
2413
|
627 { |
|
|
628 if (--rep->count == 0) |
|
|
629 delete rep; |
|
|
630 |
|
2589
|
631 rep = old_rep; |
|
|
632 old_rep = 0; |
|
2413
|
633 } |
|
|
634 |
|
2589
|
635 if (old_rep && --old_rep->count == 0) |
|
|
636 delete old_rep; |
|
2413
|
637 } |
|
|
638 else |
|
|
639 gripe_conversion_failed (type_name (), rhs.type_name ()); |
|
|
640 } |
|
|
641 else |
|
|
642 gripe_indexed_assignment (type_name (), rhs.type_name ()); |
|
|
643 } |
|
|
644 |
|
|
645 return (assignment_ok && ! error_state); |
|
|
646 } |
|
|
647 |
|
|
648 bool |
|
|
649 octave_value::try_assignment_with_conversion (const octave_value_list& idx, |
|
|
650 const octave_value& rhs) |
|
|
651 { |
|
|
652 bool assignment_ok = convert_and_assign (idx, rhs); |
|
|
653 |
|
|
654 if (! (error_state || assignment_ok)) |
|
|
655 { |
|
|
656 octave_value tmp_rhs; |
|
2427
|
657 type_conv_fcn cf_rhs = rhs.numeric_conversion_function (); |
|
2413
|
658 |
|
|
659 if (cf_rhs) |
|
|
660 tmp_rhs = octave_value (cf_rhs (*rhs.rep)); |
|
|
661 else |
|
|
662 tmp_rhs = rhs; |
|
|
663 |
|
|
664 octave_value *old_rep = 0; |
|
2427
|
665 type_conv_fcn cf_this = numeric_conversion_function (); |
|
2413
|
666 |
|
|
667 if (cf_this) |
|
|
668 { |
|
|
669 old_rep = rep; |
|
|
670 rep = cf_this (*rep); |
|
|
671 rep->count = 1; |
|
|
672 } |
|
|
673 |
|
|
674 if (cf_this || cf_rhs) |
|
|
675 { |
|
|
676 assignment_ok = try_assignment (idx, tmp_rhs); |
|
|
677 |
|
|
678 if (! (error_state || assignment_ok)) |
|
|
679 assignment_ok = convert_and_assign (idx, tmp_rhs); |
|
|
680 } |
|
|
681 |
|
|
682 if (! assignment_ok && old_rep) |
|
|
683 { |
|
|
684 if (--rep->count == 0) |
|
|
685 delete rep; |
|
|
686 |
|
|
687 rep = old_rep; |
|
|
688 old_rep = 0; |
|
|
689 } |
|
|
690 |
|
|
691 if (old_rep && --old_rep->count == 0) |
|
|
692 delete old_rep; |
|
|
693 } |
|
|
694 |
|
|
695 return (assignment_ok && ! error_state); |
|
|
696 } |
|
|
697 |
|
|
698 bool |
|
|
699 octave_value::try_assignment (const octave_value_list& idx, |
|
|
700 const octave_value& rhs) |
|
|
701 { |
|
|
702 bool retval = false; |
|
|
703 |
|
|
704 int t_lhs = type_id (); |
|
|
705 int t_rhs = rhs.type_id (); |
|
|
706 |
|
2427
|
707 assign_op_fcn f = octave_value_typeinfo::lookup_assign_op (t_lhs, t_rhs); |
|
2413
|
708 |
|
|
709 if (f) |
|
|
710 { |
|
|
711 f (*rep, idx, *(rhs.rep)); |
|
|
712 |
|
|
713 retval = (! error_state); |
|
|
714 } |
|
|
715 |
|
|
716 return retval; |
|
|
717 } |
|
|
718 |
|
|
719 static void |
|
2376
|
720 gripe_binary_op (const string& on, const string& tn1, const string& tn2) |
|
|
721 { |
|
|
722 error ("binary operator %s not implemented for %s by %s operations", |
|
|
723 on.c_str (), tn1.c_str (), tn2.c_str ()); |
|
|
724 } |
|
|
725 |
|
|
726 octave_value |
|
|
727 do_binary_op (octave_value::binary_op op, const octave_value& v1, |
|
|
728 const octave_value& v2) |
|
|
729 { |
|
|
730 octave_value retval; |
|
|
731 |
|
|
732 int t1 = v1.type_id (); |
|
|
733 int t2 = v2.type_id (); |
|
|
734 |
|
2427
|
735 binary_op_fcn f = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
2376
|
736 |
|
|
737 if (f) |
|
|
738 retval = f (*v1.rep, *v2.rep); |
|
|
739 else |
|
|
740 { |
|
|
741 octave_value tv1; |
|
2427
|
742 type_conv_fcn cf1 = v1.numeric_conversion_function (); |
|
2376
|
743 |
|
|
744 if (cf1) |
|
|
745 { |
|
|
746 tv1 = octave_value (cf1 (*v1.rep)); |
|
|
747 t1 = tv1.type_id (); |
|
|
748 } |
|
|
749 else |
|
|
750 tv1 = v1; |
|
|
751 |
|
|
752 octave_value tv2; |
|
2427
|
753 type_conv_fcn cf2 = v2.numeric_conversion_function (); |
|
2376
|
754 |
|
|
755 if (cf2) |
|
|
756 { |
|
|
757 tv2 = octave_value (cf2 (*v2.rep)); |
|
|
758 t2 = tv2.type_id (); |
|
|
759 } |
|
|
760 else |
|
|
761 tv2 = v2; |
|
|
762 |
|
|
763 if (cf1 || cf2) |
|
|
764 { |
|
2427
|
765 binary_op_fcn f |
|
2376
|
766 = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
|
767 |
|
|
768 if (f) |
|
|
769 retval = f (*tv1.rep, *tv2.rep); |
|
|
770 else |
|
|
771 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
772 v1.type_name (), v2.type_name ()); |
|
|
773 } |
|
|
774 else |
|
|
775 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
776 v1.type_name (), v2.type_name ()); |
|
|
777 } |
|
|
778 |
|
|
779 return retval; |
|
|
780 } |
|
|
781 |
|
|
782 void |
|
|
783 install_types (void) |
|
|
784 { |
|
|
785 octave_base_value::register_type (); |
|
|
786 octave_scalar::register_type (); |
|
|
787 octave_complex::register_type (); |
|
|
788 octave_matrix::register_type (); |
|
|
789 octave_complex_matrix::register_type (); |
|
|
790 octave_range::register_type (); |
|
2825
|
791 octave_bool::register_type (); |
|
|
792 octave_bool_matrix::register_type (); |
|
2376
|
793 octave_char_matrix::register_type (); |
|
|
794 octave_char_matrix_str::register_type (); |
|
|
795 octave_struct::register_type (); |
|
|
796 octave_all_va_args::register_type (); |
|
|
797 octave_magic_colon::register_type (); |
|
|
798 } |
|
|
799 |
|
|
800 static int |
|
|
801 do_fortran_indexing (void) |
|
|
802 { |
|
|
803 Vdo_fortran_indexing = check_preference ("do_fortran_indexing"); |
|
|
804 |
|
|
805 liboctave_dfi_flag = Vdo_fortran_indexing; |
|
|
806 |
|
|
807 return 0; |
|
|
808 } |
|
|
809 |
|
|
810 static int |
|
|
811 implicit_str_to_num_ok (void) |
|
|
812 { |
|
|
813 Vimplicit_str_to_num_ok = check_preference ("implicit_str_to_num_ok"); |
|
|
814 |
|
|
815 return 0; |
|
|
816 } |
|
|
817 |
|
|
818 static int |
|
|
819 ok_to_lose_imaginary_part (void) |
|
|
820 { |
|
|
821 Vok_to_lose_imaginary_part = check_preference ("ok_to_lose_imaginary_part"); |
|
|
822 |
|
|
823 return 0; |
|
|
824 } |
|
|
825 |
|
|
826 static int |
|
|
827 prefer_column_vectors (void) |
|
|
828 { |
|
|
829 Vprefer_column_vectors |
|
|
830 = check_preference ("prefer_column_vectors"); |
|
|
831 |
|
|
832 liboctave_pcv_flag = Vprefer_column_vectors; |
|
|
833 |
|
|
834 return 0; |
|
|
835 } |
|
|
836 |
|
|
837 static int |
|
|
838 print_answer_id_name (void) |
|
|
839 { |
|
|
840 Vprint_answer_id_name = check_preference ("print_answer_id_name"); |
|
|
841 |
|
|
842 return 0; |
|
|
843 } |
|
|
844 |
|
|
845 static int |
|
|
846 propagate_empty_matrices (void) |
|
|
847 { |
|
|
848 Vpropagate_empty_matrices = check_preference ("propagate_empty_matrices"); |
|
|
849 |
|
|
850 return 0; |
|
|
851 } |
|
|
852 |
|
|
853 static int |
|
|
854 resize_on_range_error (void) |
|
|
855 { |
|
|
856 Vresize_on_range_error = check_preference ("resize_on_range_error"); |
|
|
857 |
|
|
858 liboctave_rre_flag = Vresize_on_range_error; |
|
|
859 |
|
|
860 return 0; |
|
|
861 } |
|
|
862 |
|
|
863 static int |
|
|
864 struct_levels_to_print (void) |
|
|
865 { |
|
|
866 double val; |
|
|
867 if (builtin_real_scalar_variable ("struct_levels_to_print", val) |
|
|
868 && ! xisnan (val)) |
|
|
869 { |
|
|
870 int ival = NINT (val); |
|
2800
|
871 if (ival >= 0 && ival == val) |
|
2376
|
872 { |
|
|
873 Vstruct_levels_to_print = ival; |
|
|
874 return 0; |
|
|
875 } |
|
|
876 } |
|
|
877 gripe_invalid_value_specified ("struct_levels_to_print"); |
|
|
878 return -1; |
|
|
879 } |
|
|
880 |
|
|
881 static int |
|
|
882 warn_divide_by_zero (void) |
|
|
883 { |
|
|
884 Vwarn_divide_by_zero = check_preference ("warn_divide_by_zero"); |
|
|
885 |
|
|
886 return 0; |
|
|
887 } |
|
|
888 |
|
|
889 void |
|
|
890 symbols_of_value (void) |
|
|
891 { |
|
|
892 DEFVAR (do_fortran_indexing, 0.0, 0, do_fortran_indexing, |
|
|
893 "allow single indices for matrices"); |
|
|
894 |
|
|
895 DEFVAR (implicit_str_to_num_ok, 0.0, 0, implicit_str_to_num_ok, |
|
|
896 "allow implicit string to number conversion"); |
|
|
897 |
|
|
898 DEFVAR (ok_to_lose_imaginary_part, "warn", 0, ok_to_lose_imaginary_part, |
|
|
899 "silently convert from complex to real by dropping imaginary part"); |
|
|
900 |
|
|
901 DEFVAR (prefer_column_vectors, 1.0, 0, prefer_column_vectors, |
|
|
902 "prefer column/row vectors"); |
|
|
903 |
|
|
904 DEFVAR (print_answer_id_name, 1.0, 0, print_answer_id_name, |
|
|
905 "set output style to print `var_name = ...'"); |
|
|
906 |
|
|
907 DEFVAR (propagate_empty_matrices, 1.0, 0, propagate_empty_matrices, |
|
|
908 "operations on empty matrices return an empty matrix, not an error"); |
|
|
909 |
|
|
910 DEFVAR (resize_on_range_error, 1.0, 0, resize_on_range_error, |
|
|
911 "enlarge matrices on assignment"); |
|
|
912 |
|
|
913 DEFVAR (struct_levels_to_print, 2.0, 0, struct_levels_to_print, |
|
|
914 "number of levels of structure elements to print"); |
|
|
915 |
|
|
916 DEFVAR (warn_divide_by_zero, 1.0, 0, warn_divide_by_zero, |
|
|
917 "If TRUE, warn about division by zero"); |
|
|
918 } |
|
|
919 |
|
|
920 /* |
|
|
921 ;;; Local Variables: *** |
|
|
922 ;;; mode: C++ *** |
|
|
923 ;;; End: *** |
|
|
924 */ |
