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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 #include "str-vec.h" |
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33 |
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34 #include "oct-obj.h" |
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35 #include "ov.h" |
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36 #include "ov-base.h" |
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37 #include "ov-bool.h" |
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38 #include "ov-bool-mat.h" |
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39 #include "ov-cell.h" |
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40 #include "ov-scalar.h" |
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41 #include "ov-re-mat.h" |
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42 #include "ov-complex.h" |
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43 #include "ov-cx-mat.h" |
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44 #include "ov-ch-mat.h" |
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45 #include "ov-str-mat.h" |
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46 #include "ov-range.h" |
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47 #include "ov-struct.h" |
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48 #include "ov-file.h" |
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49 #include "ov-list.h" |
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50 #include "ov-colon.h" |
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51 #include "ov-va-args.h" |
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52 #include "ov-builtin.h" |
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53 #include "ov-mapper.h" |
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54 #include "ov-usr-fcn.h" |
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55 #include "ov-typeinfo.h" |
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56 |
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57 #include "defun.h" |
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58 #include "error.h" |
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59 #include "gripes.h" |
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60 #include "pager.h" |
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61 #include "pr-output.h" |
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62 #include "utils.h" |
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63 #include "variables.h" |
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64 |
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65 // We are likely to have a lot of octave_value objects to allocate, so |
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66 // make the grow_size large. |
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67 DEFINE_OCTAVE_ALLOCATOR2(octave_value, 1024); |
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68 |
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69 // If TRUE, allow assignments like |
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70 // |
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71 // octave> A(1) = 3; A(2) = 5 |
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72 // |
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73 // for A already defined and a matrix type. |
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74 bool Vdo_fortran_indexing; |
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75 |
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76 // Should we allow things like: |
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77 // |
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78 // octave> 'abc' + 0 |
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79 // 97 98 99 |
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80 // |
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81 // to happen? A positive value means yes. A negative value means |
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82 // yes, but print a warning message. Zero means it should be |
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83 // considered an error. |
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84 int Vimplicit_str_to_num_ok; |
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85 |
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86 // Should we allow silent conversion of complex to real when a real |
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87 // type is what we're really looking for? A positive value means yes. |
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88 // A negative value means yes, but print a warning message. Zero |
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89 // means it should be considered an error. |
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90 int Vok_to_lose_imaginary_part; |
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91 |
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92 // If TRUE, create column vectors when doing assignments like: |
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93 // |
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94 // octave> A(1) = 3; A(2) = 5 |
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95 // |
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96 // (for A undefined). Only matters when resize_on_range_error is also |
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97 // TRUE. |
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98 static bool Vprefer_column_vectors; |
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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 // Should operations on empty matrices return empty matrices or an |
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104 // error? A positive value means yes. A negative value means yes, |
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105 // but print a warning message. Zero means it should be considered an |
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106 // error. |
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107 int Vpropagate_empty_matrices; |
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108 |
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109 // How many levels of structure elements should we print? |
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110 int Vstruct_levels_to_print; |
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111 |
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112 // Allow divide by zero errors to be suppressed. |
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113 bool Vwarn_divide_by_zero; |
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114 |
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115 // If TRUE, resize matrices when performing and indexed assignment and |
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116 // the indices are outside the current bounds. |
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117 bool Vresize_on_range_error; |
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118 |
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119 // XXX FIXME XXX |
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120 |
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121 // Octave's value type. |
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122 |
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123 std::string |
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124 octave_value::unary_op_as_string (unary_op op) |
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125 { |
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126 std::string retval; |
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127 |
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128 switch (op) |
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129 { |
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130 case op_not: |
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131 retval = "!"; |
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132 break; |
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133 |
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134 case op_uminus: |
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135 retval = "-"; |
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136 break; |
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137 |
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138 case op_transpose: |
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139 retval = ".'"; |
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140 break; |
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141 |
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142 case op_hermitian: |
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143 retval = "'"; |
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144 break; |
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145 |
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146 case op_incr: |
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147 retval = "++"; |
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148 break; |
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149 |
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150 case op_decr: |
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151 retval = "--"; |
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152 break; |
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153 |
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154 default: |
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155 retval = "<unknown>"; |
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156 } |
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157 |
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158 return retval; |
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159 } |
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160 |
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161 std::string |
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162 octave_value::binary_op_as_string (binary_op op) |
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163 { |
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164 std::string retval; |
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165 |
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166 switch (op) |
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167 { |
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168 case op_add: |
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169 retval = "+"; |
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170 break; |
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171 |
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172 case op_sub: |
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173 retval = "-"; |
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174 break; |
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175 |
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176 case op_mul: |
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177 retval = "*"; |
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178 break; |
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179 |
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180 case op_div: |
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181 retval = "/"; |
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182 break; |
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183 |
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184 case op_pow: |
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185 retval = "^"; |
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186 break; |
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187 |
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188 case op_ldiv: |
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189 retval = "\\"; |
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190 break; |
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191 |
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192 case op_lshift: |
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193 retval = "<<"; |
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194 break; |
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195 |
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196 case op_rshift: |
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197 retval = ">>"; |
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198 break; |
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199 |
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200 case op_lt: |
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201 retval = "<"; |
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202 break; |
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203 |
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204 case op_le: |
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205 retval = "<="; |
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206 break; |
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207 |
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208 case op_eq: |
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209 retval = "=="; |
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210 break; |
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211 |
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212 case op_ge: |
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213 retval = ">="; |
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214 break; |
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215 |
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216 case op_gt: |
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217 retval = ">"; |
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218 break; |
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219 |
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220 case op_ne: |
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221 retval = "!="; |
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222 break; |
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223 |
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224 case op_el_mul: |
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225 retval = ".*"; |
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226 break; |
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227 |
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228 case op_el_div: |
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229 retval = "./"; |
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230 break; |
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231 |
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232 case op_el_pow: |
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233 retval = ".^"; |
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234 break; |
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235 |
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236 case op_el_ldiv: |
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237 retval = ".\\"; |
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238 break; |
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239 |
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240 case op_el_and: |
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241 retval = "&"; |
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242 break; |
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243 |
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244 case op_el_or: |
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245 retval = "|"; |
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246 break; |
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247 |
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248 case op_struct_ref: |
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249 retval = "."; |
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250 break; |
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251 |
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252 default: |
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253 retval = "<unknown>"; |
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254 } |
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255 |
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256 return retval; |
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257 } |
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258 |
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259 std::string |
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260 octave_value::assign_op_as_string (assign_op op) |
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261 { |
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262 std::string retval; |
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263 |
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264 switch (op) |
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265 { |
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266 case op_asn_eq: |
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267 retval = "="; |
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268 break; |
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269 |
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270 case op_add_eq: |
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271 retval = "+="; |
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272 break; |
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273 |
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274 case op_sub_eq: |
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275 retval = "-="; |
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276 break; |
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277 |
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278 case op_mul_eq: |
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279 retval = "*="; |
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280 break; |
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281 |
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282 case op_div_eq: |
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283 retval = "/="; |
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284 break; |
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285 |
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286 case op_ldiv_eq: |
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287 retval = "\\="; |
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288 break; |
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289 |
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290 case op_lshift_eq: |
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291 retval = "<<="; |
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292 break; |
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293 |
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294 case op_rshift_eq: |
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295 retval = ">>="; |
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296 break; |
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297 |
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298 case op_el_mul_eq: |
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299 retval = ".*="; |
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300 break; |
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301 |
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302 case op_el_div_eq: |
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303 retval = "./="; |
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304 break; |
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305 |
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306 case op_el_ldiv_eq: |
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307 retval = ".\\="; |
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308 break; |
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309 |
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310 case op_el_and_eq: |
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311 retval = "&="; |
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312 break; |
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313 |
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314 case op_el_or_eq: |
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315 retval = "|="; |
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316 break; |
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317 |
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318 default: |
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319 retval = "<unknown>"; |
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320 } |
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321 |
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322 return retval; |
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323 } |
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324 |
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325 octave_value::octave_value (void) |
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326 : rep (new octave_base_value ()) |
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327 { |
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328 rep->count = 1; |
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329 } |
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330 |
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331 octave_value::octave_value (double d) |
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332 : rep (new octave_scalar (d)) |
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333 { |
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334 rep->count = 1; |
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335 } |
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336 |
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337 octave_value::octave_value (const Cell& c) |
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338 : rep (new octave_cell (c)) |
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339 { |
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340 rep->count = 1; |
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341 maybe_mutate (); |
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342 } |
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343 |
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344 octave_value::octave_value (const Matrix& m) |
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345 : rep (new octave_matrix (m)) |
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346 { |
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347 rep->count = 1; |
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348 maybe_mutate (); |
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349 } |
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350 |
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351 octave_value::octave_value (const DiagMatrix& d) |
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352 : rep (new octave_matrix (d)) |
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353 { |
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354 rep->count = 1; |
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355 maybe_mutate (); |
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356 } |
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357 |
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358 octave_value::octave_value (const RowVector& v) |
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359 : rep (new octave_matrix (v)) |
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360 { |
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361 rep->count = 1; |
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362 maybe_mutate (); |
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363 } |
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364 |
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365 octave_value::octave_value (const ColumnVector& v) |
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366 : rep (new octave_matrix (v)) |
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367 { |
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368 rep->count = 1; |
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369 maybe_mutate (); |
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370 } |
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371 |
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372 octave_value::octave_value (const Complex& C) |
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373 : rep (new octave_complex (C)) |
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374 { |
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375 rep->count = 1; |
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376 maybe_mutate (); |
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377 } |
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378 |
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379 octave_value::octave_value (const ComplexMatrix& m) |
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380 : rep (new octave_complex_matrix (m)) |
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381 { |
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382 rep->count = 1; |
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383 maybe_mutate (); |
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384 } |
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385 |
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386 octave_value::octave_value (const ComplexDiagMatrix& d) |
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387 : rep (new octave_complex_matrix (d)) |
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388 { |
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389 rep->count = 1; |
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390 maybe_mutate (); |
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391 } |
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392 |
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393 octave_value::octave_value (const ComplexRowVector& v) |
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394 : rep (new octave_complex_matrix (v)) |
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395 { |
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396 rep->count = 1; |
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397 maybe_mutate (); |
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398 } |
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399 |
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400 octave_value::octave_value (const ComplexColumnVector& v) |
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401 : rep (new octave_complex_matrix (v)) |
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402 { |
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403 rep->count = 1; |
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404 maybe_mutate (); |
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405 } |
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406 |
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407 octave_value::octave_value (bool b) |
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408 : rep (new octave_bool (b)) |
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409 { |
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410 rep->count = 1; |
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411 } |
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412 |
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413 octave_value::octave_value (const boolMatrix& bm) |
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414 : rep (new octave_bool_matrix (bm)) |
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415 { |
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416 rep->count = 1; |
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417 maybe_mutate (); |
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418 } |
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419 |
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420 octave_value::octave_value (char c) |
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421 : rep (new octave_char_matrix_str (c)) |
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422 { |
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423 rep->count = 1; |
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424 maybe_mutate (); |
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425 } |
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426 |
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427 octave_value::octave_value (const char *s) |
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428 : rep (new octave_char_matrix_str (s)) |
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429 { |
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430 rep->count = 1; |
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431 maybe_mutate (); |
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432 } |
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433 |
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434 octave_value::octave_value (const std::string& s) |
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435 : rep (new octave_char_matrix_str (s)) |
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436 { |
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437 rep->count = 1; |
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438 maybe_mutate (); |
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439 } |
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440 |
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441 octave_value::octave_value (const string_vector& s) |
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442 : rep (new octave_char_matrix_str (s)) |
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443 { |
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444 rep->count = 1; |
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445 maybe_mutate (); |
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446 } |
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447 |
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448 octave_value::octave_value (const charMatrix& chm, bool is_string) |
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449 : rep (0) |
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450 { |
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451 if (is_string) |
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452 rep = new octave_char_matrix_str (chm); |
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453 else |
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454 rep = new octave_char_matrix (chm); |
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455 |
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456 rep->count = 1; |
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457 maybe_mutate (); |
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2409
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458 } |
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459 |
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460 octave_value::octave_value (double base, double limit, double inc) |
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461 : rep (new octave_range (base, limit, inc)) |
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462 { |
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463 rep->count = 1; |
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464 maybe_mutate (); |
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465 } |
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466 |
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467 octave_value::octave_value (const Range& r) |
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468 : rep (new octave_range (r)) |
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469 { |
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470 rep->count = 1; |
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471 maybe_mutate (); |
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472 } |
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473 |
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474 octave_value::octave_value (const Octave_map& m) |
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2825
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475 : rep (new octave_struct (m)) |
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476 { |
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477 rep->count = 1; |
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2880
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478 } |
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479 |
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480 octave_value::octave_value (const octave_stream& s, int n) |
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2903
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481 : rep (new octave_file (s, n)) |
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482 { |
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483 rep->count = 1; |
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484 } |
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485 |
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2974
|
486 octave_value::octave_value (octave_function *f) |
|
|
487 : rep (f) |
|
|
488 { |
|
|
489 rep->count = 1; |
|
|
490 } |
|
|
491 |
|
2880
|
492 octave_value::octave_value (const octave_value_list& l) |
|
|
493 : rep (new octave_list (l)) |
|
|
494 { |
|
|
495 rep->count = 1; |
|
|
496 } |
|
2376
|
497 |
|
|
498 octave_value::octave_value (octave_value::magic_colon) |
|
2825
|
499 : rep (new octave_magic_colon ()) |
|
|
500 { |
|
|
501 rep->count = 1; |
|
|
502 } |
|
2376
|
503 |
|
|
504 octave_value::octave_value (octave_value::all_va_args) |
|
2825
|
505 : rep (new octave_all_va_args ()) |
|
|
506 { |
|
|
507 rep->count = 1; |
|
|
508 } |
|
2376
|
509 |
|
3933
|
510 octave_value::octave_value (octave_value *new_rep, int count) |
|
2825
|
511 : rep (new_rep) |
|
|
512 { |
|
3933
|
513 rep->count = count; |
|
2825
|
514 } |
|
2376
|
515 |
|
|
516 octave_value::~octave_value (void) |
|
|
517 { |
|
|
518 #if defined (MDEBUG) |
|
3531
|
519 std::cerr << "~octave_value: rep: " << rep |
|
|
520 << " rep->count: " << rep->count << "\n"; |
|
2376
|
521 #endif |
|
|
522 |
|
|
523 if (rep && --rep->count == 0) |
|
|
524 { |
|
|
525 delete rep; |
|
|
526 rep = 0; |
|
|
527 } |
|
|
528 } |
|
|
529 |
|
2880
|
530 octave_value * |
|
3933
|
531 octave_value::clone (void) const |
|
2880
|
532 { |
|
|
533 panic_impossible (); |
|
3546
|
534 return 0; |
|
2880
|
535 } |
|
|
536 |
|
2409
|
537 void |
|
|
538 octave_value::maybe_mutate (void) |
|
|
539 { |
|
2410
|
540 octave_value *tmp = rep->try_narrowing_conversion (); |
|
2409
|
541 |
|
|
542 if (tmp && tmp != rep) |
|
|
543 { |
|
|
544 if (--rep->count == 0) |
|
|
545 delete rep; |
|
|
546 |
|
|
547 rep = tmp; |
|
|
548 rep->count = 1; |
|
|
549 } |
|
|
550 } |
|
|
551 |
|
2974
|
552 octave_value_list |
|
3933
|
553 octave_value::subsref (const std::string type, |
|
|
554 const SLList<octave_value_list>& idx, int nargout) |
|
|
555 { |
|
|
556 if (is_constant ()) |
|
|
557 return rep->subsref (type, idx); |
|
|
558 else |
|
|
559 return rep->subsref (type, idx, nargout); |
|
|
560 } |
|
|
561 |
|
|
562 octave_value |
|
|
563 octave_value::next_subsref (const std::string type, |
|
|
564 const SLList<octave_value_list>& idx, |
|
|
565 int skip) |
|
|
566 { |
|
|
567 assert (skip > 0); |
|
|
568 |
|
|
569 if (idx.length () > skip) |
|
|
570 { |
|
|
571 SLList<octave_value_list> new_idx (idx); |
|
|
572 for (int i = 0; i < skip; i++) |
|
|
573 new_idx.remove_front (); |
|
|
574 return subsref (type.substr (skip), new_idx); |
|
|
575 } |
|
|
576 else |
|
|
577 return *this; |
|
|
578 } |
|
|
579 |
|
|
580 octave_value_list |
|
3544
|
581 octave_value::do_multi_index_op (int nargout, const octave_value_list& idx) |
|
2974
|
582 { |
|
3544
|
583 return rep->do_multi_index_op (nargout, idx); |
|
2974
|
584 } |
|
|
585 |
|
2376
|
586 static void |
|
3933
|
587 gripe_no_conversion (const std::string& on, const std::string& tn1, |
|
|
588 const std::string& tn2) |
|
2376
|
589 { |
|
3203
|
590 error ("operator %s: no conversion for assignment of `%s' to indexed `%s'", |
|
|
591 on.c_str (), tn2.c_str (), tn1.c_str ()); |
|
2376
|
592 } |
|
|
593 |
|
3933
|
594 #if 0 |
|
3204
|
595 static void |
|
3933
|
596 gripe_assign_failed (const std::string& on, const std::string& tn1, |
|
|
597 const std::string& tn2) |
|
3204
|
598 { |
|
|
599 error ("assignment failed for `%s %s %s'", |
|
|
600 tn1.c_str (), on.c_str (), tn2.c_str ()); |
|
|
601 } |
|
3933
|
602 #endif |
|
3204
|
603 |
|
|
604 static void |
|
3933
|
605 gripe_assign_failed_or_no_method (const std::string& on, |
|
|
606 const std::string& tn1, |
|
3523
|
607 const std::string& tn2) |
|
3204
|
608 { |
|
|
609 error ("assignment failed, or no method for `%s %s %s'", |
|
|
610 tn1.c_str (), on.c_str (), tn2.c_str ()); |
|
|
611 } |
|
|
612 |
|
3933
|
613 octave_value |
|
|
614 octave_value::subsasgn (const std::string type, |
|
|
615 const SLList<octave_value_list>& idx, |
|
|
616 const octave_value& rhs) |
|
|
617 { |
|
|
618 return rep->subsasgn (type, idx, rhs); |
|
|
619 } |
|
|
620 |
|
|
621 octave_value |
|
|
622 octave_value::assign (assign_op op, const std::string type, |
|
|
623 const SLList<octave_value_list>& idx, |
|
|
624 const octave_value& rhs) |
|
|
625 { |
|
|
626 octave_value retval; |
|
|
627 |
|
|
628 make_unique (); |
|
|
629 |
|
|
630 octave_value t_rhs = rhs; |
|
|
631 |
|
|
632 if (op != op_asn_eq) |
|
|
633 { |
|
|
634 // XXX FIXME XXX -- only do the following stuff if we can't find |
|
|
635 // a specific function to call to handle the op= operation for |
|
|
636 // the types we have. |
|
|
637 |
|
|
638 octave_value t = subsref (type, idx); |
|
|
639 |
|
|
640 if (! error_state) |
|
|
641 { |
|
|
642 binary_op binop = op_eq_to_binary_op (op); |
|
|
643 |
|
|
644 if (! error_state) |
|
|
645 t_rhs = do_binary_op (binop, t, rhs); |
|
|
646 } |
|
|
647 } |
|
|
648 |
|
|
649 if (! error_state) |
|
|
650 { |
|
|
651 if (type[0] == '.' && ! is_map ()) |
|
|
652 { |
|
|
653 octave_value tmp = Octave_map (); |
|
|
654 retval = tmp.subsasgn (type, idx, t_rhs); |
|
|
655 } |
|
|
656 else |
|
|
657 retval = subsasgn (type, idx, t_rhs); |
|
|
658 } |
|
|
659 |
|
|
660 if (error_state) |
|
|
661 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
662 type_name (), rhs.type_name ()); |
|
|
663 |
|
|
664 return retval; |
|
|
665 } |
|
|
666 |
|
|
667 const octave_value& |
|
3203
|
668 octave_value::assign (assign_op op, const octave_value& rhs) |
|
2880
|
669 { |
|
3533
|
670 if (op == op_asn_eq) |
|
3203
|
671 operator = (rhs); |
|
|
672 else |
|
|
673 { |
|
3204
|
674 // XXX FIXME XXX -- only do the following stuff if we can't find |
|
|
675 // a specific function to call to handle the op= operation for |
|
|
676 // the types we have. |
|
|
677 |
|
|
678 binary_op binop = op_eq_to_binary_op (op); |
|
|
679 |
|
|
680 if (! error_state) |
|
|
681 { |
|
|
682 octave_value t = do_binary_op (binop, *this, rhs); |
|
|
683 |
|
|
684 if (! error_state) |
|
|
685 operator = (t); |
|
|
686 } |
|
|
687 |
|
|
688 if (error_state) |
|
|
689 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
690 type_name (), rhs.type_name ()); |
|
|
691 } |
|
|
692 |
|
3933
|
693 return *this; |
|
2376
|
694 } |
|
|
695 |
|
3351
|
696 Cell |
|
|
697 octave_value::cell_value (void) const |
|
|
698 { |
|
|
699 return rep->cell_value (); |
|
|
700 } |
|
|
701 |
|
2376
|
702 Octave_map |
|
|
703 octave_value::map_value (void) const |
|
|
704 { |
|
|
705 return rep->map_value (); |
|
|
706 } |
|
|
707 |
|
3340
|
708 octave_stream |
|
2903
|
709 octave_value::stream_value (void) const |
|
|
710 { |
|
|
711 return rep->stream_value (); |
|
|
712 } |
|
|
713 |
|
|
714 int |
|
|
715 octave_value::stream_number (void) const |
|
|
716 { |
|
|
717 return rep->stream_number (); |
|
|
718 } |
|
|
719 |
|
2974
|
720 octave_function * |
|
|
721 octave_value::function_value (bool silent) |
|
|
722 { |
|
|
723 return rep->function_value (silent); |
|
|
724 } |
|
|
725 |
|
2880
|
726 octave_value_list |
|
|
727 octave_value::list_value (void) const |
|
|
728 { |
|
|
729 return rep->list_value (); |
|
|
730 } |
|
|
731 |
|
2376
|
732 ColumnVector |
|
3419
|
733 octave_value::column_vector_value (bool force_string_conv, |
|
|
734 bool force_vector_conversion) const |
|
|
735 { |
|
|
736 ColumnVector retval; |
|
|
737 |
|
|
738 Matrix m = matrix_value (force_string_conv); |
|
|
739 |
|
|
740 if (error_state) |
|
|
741 return retval; |
|
|
742 |
|
|
743 int nr = m.rows (); |
|
|
744 int nc = m.columns (); |
|
|
745 |
|
|
746 if (nc == 1) |
|
|
747 { |
|
|
748 retval.resize (nr); |
|
|
749 for (int i = 0; i < nr; i++) |
|
|
750 retval (i) = m (i, 0); |
|
|
751 } |
|
|
752 else |
|
|
753 { |
|
3523
|
754 std::string tn = type_name (); |
|
3419
|
755 gripe_invalid_conversion (tn.c_str (), "real column vector"); |
|
|
756 } |
|
|
757 |
|
|
758 return retval; |
|
|
759 } |
|
|
760 |
|
|
761 ComplexColumnVector |
|
|
762 octave_value::complex_column_vector_value (bool force_string_conv, |
|
|
763 bool force_vector_conversion) const |
|
|
764 { |
|
|
765 ComplexColumnVector retval; |
|
|
766 |
|
|
767 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
768 |
|
|
769 if (error_state) |
|
|
770 return retval; |
|
|
771 |
|
|
772 int nr = m.rows (); |
|
|
773 int nc = m.columns (); |
|
|
774 |
|
|
775 if (nc == 1) |
|
|
776 { |
|
3465
|
777 retval.resize (nr); |
|
|
778 for (int i = 0; i < nr; i++) |
|
3419
|
779 retval (i) = m (i, 0); |
|
|
780 } |
|
|
781 else |
|
|
782 { |
|
3523
|
783 std::string tn = type_name (); |
|
3419
|
784 gripe_invalid_conversion (tn.c_str (), "complex column vector"); |
|
|
785 } |
|
|
786 |
|
|
787 return retval; |
|
|
788 } |
|
|
789 |
|
|
790 RowVector |
|
|
791 octave_value::row_vector_value (bool force_string_conv, |
|
|
792 bool force_vector_conversion) const |
|
|
793 { |
|
|
794 RowVector retval; |
|
|
795 |
|
|
796 Matrix m = matrix_value (force_string_conv); |
|
|
797 |
|
|
798 if (error_state) |
|
|
799 return retval; |
|
|
800 |
|
|
801 int nr = m.rows (); |
|
|
802 int nc = m.columns (); |
|
|
803 |
|
|
804 if (nr == 1) |
|
|
805 { |
|
|
806 retval.resize (nc); |
|
|
807 for (int i = 0; i < nc; i++) |
|
|
808 retval (i) = m (0, i); |
|
|
809 } |
|
|
810 else |
|
|
811 { |
|
3523
|
812 std::string tn = type_name (); |
|
3419
|
813 gripe_invalid_conversion (tn.c_str (), "real row vector"); |
|
|
814 } |
|
|
815 |
|
|
816 return retval; |
|
|
817 } |
|
|
818 |
|
|
819 ComplexRowVector |
|
|
820 octave_value::complex_row_vector_value (bool force_string_conv, |
|
|
821 bool force_vector_conversion) const |
|
|
822 { |
|
|
823 ComplexRowVector retval; |
|
|
824 |
|
|
825 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
826 |
|
|
827 if (error_state) |
|
|
828 return retval; |
|
|
829 |
|
|
830 int nr = m.rows (); |
|
|
831 int nc = m.columns (); |
|
|
832 |
|
|
833 if (nr == 1) |
|
|
834 { |
|
|
835 retval.resize (nc); |
|
|
836 for (int i = 0; i < nc; i++) |
|
|
837 retval (i) = m (0, i); |
|
|
838 } |
|
|
839 else |
|
|
840 { |
|
3523
|
841 std::string tn = type_name (); |
|
3419
|
842 gripe_invalid_conversion (tn.c_str (), "complex row vector"); |
|
|
843 } |
|
|
844 |
|
|
845 return retval; |
|
|
846 } |
|
|
847 |
|
|
848 // Sloppy... |
|
|
849 |
|
|
850 Array<double> |
|
2376
|
851 octave_value::vector_value (bool force_string_conv, |
|
|
852 bool force_vector_conversion) const |
|
|
853 { |
|
3419
|
854 Array<double> retval; |
|
2376
|
855 |
|
|
856 Matrix m = matrix_value (force_string_conv); |
|
|
857 |
|
|
858 if (error_state) |
|
|
859 return retval; |
|
|
860 |
|
|
861 int nr = m.rows (); |
|
|
862 int nc = m.columns (); |
|
|
863 |
|
|
864 if (nr == 1) |
|
|
865 { |
|
|
866 retval.resize (nc); |
|
|
867 for (int i = 0; i < nc; i++) |
|
|
868 retval (i) = m (0, i); |
|
|
869 } |
|
|
870 else if (nc == 1) |
|
|
871 { |
|
|
872 retval.resize (nr); |
|
|
873 for (int i = 0; i < nr; i++) |
|
|
874 retval (i) = m (i, 0); |
|
|
875 } |
|
|
876 else if (nr > 0 && nc > 0 |
|
|
877 && (Vdo_fortran_indexing || force_vector_conversion)) |
|
|
878 { |
|
|
879 retval.resize (nr * nc); |
|
|
880 int k = 0; |
|
|
881 for (int j = 0; j < nc; j++) |
|
|
882 for (int i = 0; i < nr; i++) |
|
|
883 retval (k++) = m (i, j); |
|
|
884 } |
|
|
885 else |
|
|
886 { |
|
3523
|
887 std::string tn = type_name (); |
|
2376
|
888 gripe_invalid_conversion (tn.c_str (), "real vector"); |
|
|
889 } |
|
|
890 |
|
|
891 return retval; |
|
|
892 } |
|
|
893 |
|
3419
|
894 Array<Complex> |
|
2376
|
895 octave_value::complex_vector_value (bool force_string_conv, |
|
|
896 bool force_vector_conversion) const |
|
|
897 { |
|
3419
|
898 Array<Complex> retval; |
|
2376
|
899 |
|
|
900 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
901 |
|
|
902 if (error_state) |
|
|
903 return retval; |
|
|
904 |
|
|
905 int nr = m.rows (); |
|
|
906 int nc = m.columns (); |
|
|
907 |
|
|
908 if (nr == 1) |
|
|
909 { |
|
|
910 retval.resize (nc); |
|
|
911 for (int i = 0; i < nc; i++) |
|
|
912 retval (i) = m (0, i); |
|
|
913 } |
|
|
914 else if (nc == 1) |
|
|
915 { |
|
|
916 retval.resize (nr); |
|
|
917 for (int i = 0; i < nr; i++) |
|
|
918 retval (i) = m (i, 0); |
|
|
919 } |
|
|
920 else if (nr > 0 && nc > 0 |
|
|
921 && (Vdo_fortran_indexing || force_vector_conversion)) |
|
|
922 { |
|
|
923 retval.resize (nr * nc); |
|
|
924 int k = 0; |
|
|
925 for (int j = 0; j < nc; j++) |
|
|
926 for (int i = 0; i < nr; i++) |
|
|
927 retval (k++) = m (i, j); |
|
|
928 } |
|
|
929 else |
|
|
930 { |
|
3523
|
931 std::string tn = type_name (); |
|
2376
|
932 gripe_invalid_conversion (tn.c_str (), "complex vector"); |
|
|
933 } |
|
|
934 |
|
|
935 return retval; |
|
|
936 } |
|
|
937 |
|
|
938 void |
|
3523
|
939 octave_value::print_with_name (std::ostream& output_buf, const std::string& name, |
|
2903
|
940 bool print_padding) const |
|
2376
|
941 { |
|
2903
|
942 bool pad_after = print_name_tag (output_buf, name); |
|
2376
|
943 |
|
|
944 print (output_buf); |
|
|
945 |
|
|
946 if (print_padding && pad_after) |
|
2903
|
947 newline (output_buf); |
|
2376
|
948 } |
|
|
949 |
|
|
950 static void |
|
3523
|
951 gripe_indexed_assignment (const std::string& tn1, const std::string& tn2) |
|
2413
|
952 { |
|
2903
|
953 error ("assignment of `%s' to indexed `%s' not implemented", |
|
2413
|
954 tn2.c_str (), tn1.c_str ()); |
|
|
955 } |
|
|
956 |
|
|
957 static void |
|
3933
|
958 gripe_assign_conversion_failed (const std::string& tn1, |
|
|
959 const std::string& tn2) |
|
2413
|
960 { |
|
2903
|
961 error ("type conversion for assignment of `%s' to indexed `%s' failed", |
|
2413
|
962 tn2.c_str (), tn1.c_str ()); |
|
|
963 } |
|
|
964 |
|
3933
|
965 octave_value |
|
|
966 octave_value::numeric_assign (const std::string type, |
|
|
967 const SLList<octave_value_list>& idx, |
|
2413
|
968 const octave_value& rhs) |
|
|
969 { |
|
3933
|
970 octave_value retval; |
|
2413
|
971 |
|
|
972 int t_lhs = type_id (); |
|
|
973 int t_rhs = rhs.type_id (); |
|
|
974 |
|
2880
|
975 assign_op_fcn f |
|
3933
|
976 = octave_value_typeinfo::lookup_assign_op (op_asn_eq, t_lhs, t_rhs); |
|
|
977 |
|
|
978 bool done = false; |
|
2413
|
979 |
|
|
980 if (f) |
|
|
981 { |
|
3933
|
982 f (*this, idx.front (), rhs.get_rep ()); |
|
2413
|
983 |
|
3933
|
984 done = (! error_state); |
|
2413
|
985 } |
|
3933
|
986 |
|
|
987 if (done) |
|
|
988 retval = octave_value (this, count + 1); |
|
3196
|
989 else |
|
|
990 { |
|
3933
|
991 int t_result |
|
|
992 = octave_value_typeinfo::lookup_pref_assign_conv (t_lhs, t_rhs); |
|
|
993 |
|
|
994 if (t_result >= 0) |
|
|
995 { |
|
|
996 type_conv_fcn cf |
|
|
997 = octave_value_typeinfo::lookup_widening_op (t_lhs, t_result); |
|
|
998 |
|
|
999 if (cf) |
|
|
1000 { |
|
|
1001 octave_value *tmp (cf (*this)); |
|
3196
|
1002 |
|
3933
|
1003 if (tmp) |
|
|
1004 { |
|
|
1005 retval = tmp->subsasgn (type, idx, rhs); |
|
|
1006 |
|
|
1007 done = (! error_state); |
|
|
1008 } |
|
|
1009 else |
|
|
1010 gripe_assign_conversion_failed (type_name (), |
|
|
1011 rhs.type_name ()); |
|
|
1012 } |
|
|
1013 else |
|
|
1014 gripe_indexed_assignment (type_name (), rhs.type_name ()); |
|
|
1015 } |
|
|
1016 |
|
|
1017 if (! (done || error_state)) |
|
3196
|
1018 { |
|
3933
|
1019 octave_value tmp_rhs; |
|
|
1020 type_conv_fcn cf_rhs = rhs.numeric_conversion_function (); |
|
|
1021 |
|
|
1022 if (cf_rhs) |
|
|
1023 { |
|
|
1024 octave_value *tmp = cf_rhs (rhs.get_rep ()); |
|
|
1025 |
|
|
1026 if (tmp) |
|
|
1027 tmp_rhs = octave_value (tmp); |
|
|
1028 else |
|
|
1029 { |
|
|
1030 gripe_assign_conversion_failed (type_name (), |
|
|
1031 rhs.type_name ()); |
|
|
1032 return octave_value (); |
|
|
1033 } |
|
|
1034 } |
|
|
1035 else |
|
|
1036 tmp_rhs = rhs; |
|
|
1037 |
|
|
1038 type_conv_fcn cf_this = numeric_conversion_function (); |
|
|
1039 |
|
|
1040 octave_value *tmp_lhs = this; |
|
3196
|
1041 |
|
3933
|
1042 if (cf_this) |
|
|
1043 { |
|
|
1044 octave_value *tmp = cf_this (*this); |
|
|
1045 |
|
|
1046 if (tmp) |
|
|
1047 tmp_lhs = tmp; |
|
|
1048 else |
|
|
1049 { |
|
|
1050 gripe_assign_conversion_failed (type_name (), |
|
|
1051 rhs.type_name ()); |
|
|
1052 return octave_value (); |
|
|
1053 } |
|
|
1054 } |
|
|
1055 |
|
|
1056 if (cf_this || cf_rhs) |
|
|
1057 { |
|
|
1058 retval = tmp_lhs->subsasgn (type, idx, tmp_rhs); |
|
|
1059 |
|
|
1060 done = (! error_state); |
|
|
1061 } |
|
|
1062 else |
|
|
1063 gripe_no_conversion (assign_op_as_string (op_asn_eq), |
|
|
1064 type_name (), rhs.type_name ()); |
|
3196
|
1065 } |
|
|
1066 } |
|
2413
|
1067 |
|
|
1068 return retval; |
|
|
1069 } |
|
|
1070 |
|
|
1071 static void |
|
3933
|
1072 gripe_binary_op (const std::string& on, const std::string& tn1, |
|
|
1073 const std::string& tn2) |
|
2376
|
1074 { |
|
2903
|
1075 error ("binary operator `%s' not implemented for `%s' by `%s' operations", |
|
2376
|
1076 on.c_str (), tn1.c_str (), tn2.c_str ()); |
|
|
1077 } |
|
|
1078 |
|
3203
|
1079 static void |
|
3523
|
1080 gripe_binary_op_conv (const std::string& on) |
|
3203
|
1081 { |
|
|
1082 error ("type conversion failed for binary operator `%s'", on.c_str ()); |
|
|
1083 } |
|
|
1084 |
|
2376
|
1085 octave_value |
|
3933
|
1086 do_binary_op (octave_value::binary_op op, |
|
|
1087 const octave_value& v1, const octave_value& v2) |
|
2376
|
1088 { |
|
|
1089 octave_value retval; |
|
|
1090 |
|
|
1091 int t1 = v1.type_id (); |
|
|
1092 int t2 = v2.type_id (); |
|
|
1093 |
|
2427
|
1094 binary_op_fcn f = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
2376
|
1095 |
|
|
1096 if (f) |
|
|
1097 retval = f (*v1.rep, *v2.rep); |
|
|
1098 else |
|
|
1099 { |
|
|
1100 octave_value tv1; |
|
2427
|
1101 type_conv_fcn cf1 = v1.numeric_conversion_function (); |
|
2376
|
1102 |
|
|
1103 if (cf1) |
|
|
1104 { |
|
3203
|
1105 octave_value *tmp = cf1 (*v1.rep); |
|
|
1106 |
|
|
1107 if (tmp) |
|
|
1108 { |
|
|
1109 tv1 = octave_value (tmp); |
|
|
1110 t1 = tv1.type_id (); |
|
|
1111 } |
|
|
1112 else |
|
|
1113 { |
|
|
1114 gripe_binary_op_conv (octave_value::binary_op_as_string (op)); |
|
|
1115 return retval; |
|
|
1116 } |
|
2376
|
1117 } |
|
|
1118 else |
|
|
1119 tv1 = v1; |
|
|
1120 |
|
|
1121 octave_value tv2; |
|
2427
|
1122 type_conv_fcn cf2 = v2.numeric_conversion_function (); |
|
2376
|
1123 |
|
|
1124 if (cf2) |
|
|
1125 { |
|
3203
|
1126 octave_value *tmp = cf2 (*v2.rep); |
|
|
1127 |
|
|
1128 if (tmp) |
|
|
1129 { |
|
|
1130 tv2 = octave_value (tmp); |
|
|
1131 t2 = tv2.type_id (); |
|
|
1132 } |
|
|
1133 else |
|
|
1134 { |
|
|
1135 gripe_binary_op_conv (octave_value::binary_op_as_string (op)); |
|
|
1136 return retval; |
|
|
1137 } |
|
2376
|
1138 } |
|
|
1139 else |
|
|
1140 tv2 = v2; |
|
|
1141 |
|
|
1142 if (cf1 || cf2) |
|
|
1143 { |
|
2427
|
1144 binary_op_fcn f |
|
2376
|
1145 = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
|
1146 |
|
|
1147 if (f) |
|
|
1148 retval = f (*tv1.rep, *tv2.rep); |
|
|
1149 else |
|
|
1150 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
1151 v1.type_name (), v2.type_name ()); |
|
|
1152 } |
|
|
1153 else |
|
|
1154 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
1155 v1.type_name (), v2.type_name ()); |
|
|
1156 } |
|
|
1157 |
|
|
1158 return retval; |
|
|
1159 } |
|
|
1160 |
|
3933
|
1161 void |
|
|
1162 octave_value::print_info (std::ostream& os, const std::string& prefix) const |
|
|
1163 { |
|
|
1164 os << prefix << "type_name: " << type_name () << "\n" |
|
|
1165 << prefix << "count: " << get_count () << "\n" |
|
|
1166 << prefix << "rep info: "; |
|
|
1167 |
|
|
1168 rep->print_info (os, prefix + " "); |
|
|
1169 } |
|
|
1170 |
|
3203
|
1171 static void |
|
3523
|
1172 gripe_unary_op (const std::string& on, const std::string& tn) |
|
3203
|
1173 { |
|
|
1174 error ("unary operator `%s' not implemented for `%s' operands", |
|
|
1175 on.c_str (), tn.c_str ()); |
|
|
1176 } |
|
|
1177 |
|
|
1178 static void |
|
3523
|
1179 gripe_unary_op_conv (const std::string& on) |
|
3203
|
1180 { |
|
|
1181 error ("type conversion failed for unary operator `%s'", on.c_str ()); |
|
|
1182 } |
|
|
1183 |
|
|
1184 octave_value |
|
|
1185 do_unary_op (octave_value::unary_op op, const octave_value& v) |
|
|
1186 { |
|
|
1187 octave_value retval; |
|
|
1188 |
|
|
1189 int t = v.type_id (); |
|
|
1190 |
|
|
1191 unary_op_fcn f = octave_value_typeinfo::lookup_unary_op (op, t); |
|
|
1192 |
|
|
1193 if (f) |
|
|
1194 retval = f (*v.rep); |
|
|
1195 else |
|
|
1196 { |
|
|
1197 octave_value tv; |
|
|
1198 type_conv_fcn cf = v.numeric_conversion_function (); |
|
|
1199 |
|
|
1200 if (cf) |
|
|
1201 { |
|
|
1202 octave_value *tmp = cf (*v.rep); |
|
|
1203 |
|
|
1204 if (tmp) |
|
|
1205 { |
|
|
1206 tv = octave_value (tmp); |
|
|
1207 t = tv.type_id (); |
|
|
1208 |
|
|
1209 unary_op_fcn f = octave_value_typeinfo::lookup_unary_op (op, t); |
|
|
1210 |
|
|
1211 if (f) |
|
|
1212 retval = f (*tv.rep); |
|
|
1213 else |
|
|
1214 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1215 v.type_name ()); |
|
|
1216 } |
|
|
1217 else |
|
|
1218 gripe_unary_op_conv (octave_value::unary_op_as_string (op)); |
|
|
1219 } |
|
|
1220 else |
|
|
1221 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1222 v.type_name ()); |
|
|
1223 } |
|
|
1224 |
|
|
1225 return retval; |
|
|
1226 } |
|
|
1227 |
|
|
1228 static void |
|
3933
|
1229 gripe_unary_op_conversion_failed (const std::string& op, |
|
|
1230 const std::string& tn) |
|
3203
|
1231 { |
|
|
1232 error ("operator %s: type conversion for `%s' failed", |
|
|
1233 op.c_str (), tn.c_str ()); |
|
|
1234 } |
|
|
1235 |
|
3933
|
1236 const octave_value& |
|
|
1237 octave_value::do_non_const_unary_op (unary_op op) |
|
3203
|
1238 { |
|
|
1239 octave_value retval; |
|
|
1240 |
|
|
1241 int t = type_id (); |
|
|
1242 |
|
|
1243 non_const_unary_op_fcn f |
|
|
1244 = octave_value_typeinfo::lookup_non_const_unary_op (op, t); |
|
|
1245 |
|
|
1246 if (f) |
|
|
1247 { |
|
|
1248 make_unique (); |
|
|
1249 |
|
|
1250 f (*rep); |
|
|
1251 } |
|
|
1252 else |
|
|
1253 { |
|
|
1254 type_conv_fcn cf = numeric_conversion_function (); |
|
|
1255 |
|
|
1256 if (cf) |
|
|
1257 { |
|
|
1258 octave_value *tmp = cf (*rep); |
|
|
1259 |
|
|
1260 if (tmp) |
|
|
1261 { |
|
|
1262 octave_value *old_rep = rep; |
|
|
1263 rep = tmp; |
|
|
1264 rep->count = 1; |
|
|
1265 |
|
|
1266 t = type_id (); |
|
|
1267 |
|
|
1268 f = octave_value_typeinfo::lookup_non_const_unary_op (op, t); |
|
|
1269 |
|
|
1270 if (f) |
|
|
1271 { |
|
|
1272 f (*rep); |
|
|
1273 |
|
|
1274 if (old_rep && --old_rep->count == 0) |
|
|
1275 delete old_rep; |
|
|
1276 } |
|
|
1277 else |
|
|
1278 { |
|
|
1279 if (old_rep) |
|
|
1280 { |
|
|
1281 if (--rep->count == 0) |
|
|
1282 delete rep; |
|
|
1283 |
|
|
1284 rep = old_rep; |
|
|
1285 } |
|
|
1286 |
|
|
1287 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1288 type_name ()); |
|
|
1289 } |
|
|
1290 } |
|
|
1291 else |
|
|
1292 gripe_unary_op_conversion_failed |
|
|
1293 (octave_value::unary_op_as_string (op), type_name ()); |
|
|
1294 } |
|
|
1295 else |
|
|
1296 gripe_unary_op (octave_value::unary_op_as_string (op), type_name ()); |
|
|
1297 } |
|
3933
|
1298 |
|
|
1299 return *this; |
|
3203
|
1300 } |
|
|
1301 |
|
3933
|
1302 #if 0 |
|
3205
|
1303 static void |
|
3933
|
1304 gripe_unary_op_failed_or_no_method (const std::string& on, |
|
|
1305 const std::string& tn) |
|
3205
|
1306 { |
|
|
1307 error ("operator %s: no method, or unable to evaluate for %s operand", |
|
|
1308 on.c_str (), tn.c_str ()); |
|
|
1309 } |
|
3933
|
1310 #endif |
|
3205
|
1311 |
|
|
1312 void |
|
3933
|
1313 octave_value::do_non_const_unary_op (unary_op op, const octave_value_list& idx) |
|
3205
|
1314 { |
|
3933
|
1315 abort (); |
|
|
1316 } |
|
|
1317 |
|
|
1318 octave_value |
|
|
1319 octave_value::do_non_const_unary_op (unary_op op, const std::string type, |
|
|
1320 const SLList<octave_value_list>& idx) |
|
|
1321 { |
|
|
1322 octave_value retval; |
|
|
1323 |
|
|
1324 if (idx.empty ()) |
|
|
1325 { |
|
|
1326 do_non_const_unary_op (op); |
|
3205
|
1327 |
|
3933
|
1328 retval = *this; |
|
|
1329 } |
|
|
1330 else |
|
|
1331 { |
|
|
1332 // XXX FIXME XXX -- only do the following stuff if we can't find a |
|
|
1333 // specific function to call to handle the op= operation for the |
|
|
1334 // types we have. |
|
3205
|
1335 |
|
3933
|
1336 assign_op assop = unary_op_to_assign_op (op); |
|
|
1337 |
|
|
1338 retval = assign (assop, type, idx, 1.0); |
|
|
1339 } |
|
|
1340 |
|
|
1341 return retval; |
|
3205
|
1342 } |
|
|
1343 |
|
2903
|
1344 // Current indentation. |
|
|
1345 int octave_value::curr_print_indent_level = 0; |
|
|
1346 |
|
3018
|
1347 // TRUE means we are at the beginning of a line. |
|
2903
|
1348 bool octave_value::beginning_of_line = true; |
|
|
1349 |
|
|
1350 // Each print() function should call this before printing anything. |
|
|
1351 // |
|
|
1352 // This doesn't need to be fast, but isn't there a better way? |
|
|
1353 |
|
|
1354 void |
|
3523
|
1355 octave_value::indent (std::ostream& os) const |
|
2903
|
1356 { |
|
|
1357 assert (curr_print_indent_level >= 0); |
|
|
1358 |
|
|
1359 if (beginning_of_line) |
|
|
1360 { |
|
|
1361 // XXX FIXME XXX -- do we need this? |
|
|
1362 // os << prefix; |
|
|
1363 |
|
|
1364 for (int i = 0; i < curr_print_indent_level; i++) |
|
|
1365 os << " "; |
|
|
1366 |
|
|
1367 beginning_of_line = false; |
|
|
1368 } |
|
|
1369 } |
|
|
1370 |
|
|
1371 // All print() functions should use this to print new lines. |
|
|
1372 |
|
|
1373 void |
|
3523
|
1374 octave_value::newline (std::ostream& os) const |
|
2903
|
1375 { |
|
|
1376 os << "\n"; |
|
|
1377 |
|
|
1378 beginning_of_line = true; |
|
|
1379 } |
|
|
1380 |
|
|
1381 // For ressetting print state. |
|
|
1382 |
|
|
1383 void |
|
|
1384 octave_value::reset (void) const |
|
|
1385 { |
|
|
1386 beginning_of_line = true; |
|
|
1387 curr_print_indent_level = 0; |
|
|
1388 } |
|
|
1389 |
|
3205
|
1390 octave_value::assign_op |
|
|
1391 octave_value::unary_op_to_assign_op (unary_op op) |
|
|
1392 { |
|
|
1393 assign_op binop = unknown_assign_op; |
|
|
1394 |
|
|
1395 switch (op) |
|
|
1396 { |
|
3533
|
1397 case op_incr: |
|
|
1398 binop = op_add_eq; |
|
3205
|
1399 break; |
|
|
1400 |
|
3533
|
1401 case op_decr: |
|
|
1402 binop = op_sub_eq; |
|
3205
|
1403 break; |
|
|
1404 |
|
|
1405 default: |
|
|
1406 { |
|
3523
|
1407 std::string on = unary_op_as_string (op); |
|
3205
|
1408 error ("operator %s: no assign operator found", on.c_str ()); |
|
|
1409 } |
|
|
1410 } |
|
|
1411 |
|
|
1412 return binop; |
|
|
1413 } |
|
|
1414 |
|
3204
|
1415 octave_value::binary_op |
|
|
1416 octave_value::op_eq_to_binary_op (assign_op op) |
|
|
1417 { |
|
|
1418 binary_op binop = unknown_binary_op; |
|
|
1419 |
|
|
1420 switch (op) |
|
|
1421 { |
|
3533
|
1422 case op_add_eq: |
|
|
1423 binop = op_add; |
|
3204
|
1424 break; |
|
|
1425 |
|
3533
|
1426 case op_sub_eq: |
|
|
1427 binop = op_sub; |
|
3204
|
1428 break; |
|
|
1429 |
|
3533
|
1430 case op_mul_eq: |
|
|
1431 binop = op_mul; |
|
3204
|
1432 break; |
|
|
1433 |
|
3533
|
1434 case op_div_eq: |
|
|
1435 binop = op_div; |
|
3204
|
1436 break; |
|
|
1437 |
|
3533
|
1438 case op_ldiv_eq: |
|
|
1439 binop = op_ldiv; |
|
3204
|
1440 break; |
|
|
1441 |
|
3533
|
1442 case op_lshift_eq: |
|
|
1443 binop = op_lshift; |
|
3204
|
1444 break; |
|
|
1445 |
|
3533
|
1446 case op_rshift_eq: |
|
|
1447 binop = op_rshift; |
|
3204
|
1448 break; |
|
|
1449 |
|
3533
|
1450 case op_el_mul_eq: |
|
|
1451 binop = op_el_mul; |
|
3204
|
1452 break; |
|
|
1453 |
|
3533
|
1454 case op_el_div_eq: |
|
|
1455 binop = op_el_div; |
|
3204
|
1456 break; |
|
|
1457 |
|
3533
|
1458 case op_el_ldiv_eq: |
|
|
1459 binop = op_el_ldiv; |
|
3204
|
1460 break; |
|
|
1461 |
|
3533
|
1462 case op_el_and_eq: |
|
|
1463 binop = op_el_and; |
|
3204
|
1464 break; |
|
|
1465 |
|
3533
|
1466 case op_el_or_eq: |
|
|
1467 binop = op_el_or; |
|
3204
|
1468 break; |
|
|
1469 |
|
|
1470 default: |
|
|
1471 { |
|
3523
|
1472 std::string on = assign_op_as_string (op); |
|
3204
|
1473 error ("operator %s: no binary operator found", on.c_str ()); |
|
|
1474 } |
|
|
1475 } |
|
|
1476 |
|
|
1477 return binop; |
|
|
1478 } |
|
|
1479 |
|
3933
|
1480 octave_value |
|
|
1481 octave_value::empty_conv (const std::string& type, const octave_value& rhs) |
|
|
1482 { |
|
|
1483 octave_value retval; |
|
|
1484 |
|
|
1485 if (type.length () > 0) |
|
|
1486 { |
|
|
1487 switch (type[0]) |
|
|
1488 { |
|
|
1489 case '(': |
|
|
1490 { |
|
|
1491 if (type.length () > 1 && type[1] == '.') |
|
|
1492 retval = Octave_map (); |
|
|
1493 else |
|
|
1494 retval = octave_value (rhs.empty_clone ()); |
|
|
1495 } |
|
|
1496 break; |
|
|
1497 |
|
|
1498 case '{': |
|
|
1499 retval = Cell (); |
|
|
1500 break; |
|
|
1501 |
|
|
1502 case '.': |
|
|
1503 retval = Octave_map (); |
|
|
1504 break; |
|
|
1505 |
|
|
1506 default: |
|
|
1507 panic_impossible (); |
|
|
1508 } |
|
|
1509 } |
|
|
1510 else |
|
|
1511 retval = octave_value (rhs.empty_clone ()); |
|
|
1512 |
|
|
1513 return retval; |
|
|
1514 } |
|
|
1515 |
|
2376
|
1516 void |
|
|
1517 install_types (void) |
|
|
1518 { |
|
|
1519 octave_base_value::register_type (); |
|
3928
|
1520 octave_cell::register_type (); |
|
2376
|
1521 octave_scalar::register_type (); |
|
|
1522 octave_complex::register_type (); |
|
|
1523 octave_matrix::register_type (); |
|
|
1524 octave_complex_matrix::register_type (); |
|
|
1525 octave_range::register_type (); |
|
2825
|
1526 octave_bool::register_type (); |
|
|
1527 octave_bool_matrix::register_type (); |
|
2376
|
1528 octave_char_matrix::register_type (); |
|
|
1529 octave_char_matrix_str::register_type (); |
|
|
1530 octave_struct::register_type (); |
|
2903
|
1531 octave_file::register_type (); |
|
2880
|
1532 octave_list::register_type (); |
|
2376
|
1533 octave_all_va_args::register_type (); |
|
|
1534 octave_magic_colon::register_type (); |
|
2974
|
1535 octave_builtin::register_type (); |
|
|
1536 octave_mapper::register_type (); |
|
|
1537 octave_user_function::register_type (); |
|
2376
|
1538 } |
|
|
1539 |
|
|
1540 static int |
|
|
1541 do_fortran_indexing (void) |
|
|
1542 { |
|
|
1543 Vdo_fortran_indexing = check_preference ("do_fortran_indexing"); |
|
|
1544 |
|
|
1545 liboctave_dfi_flag = Vdo_fortran_indexing; |
|
|
1546 |
|
|
1547 return 0; |
|
|
1548 } |
|
|
1549 |
|
|
1550 static int |
|
|
1551 implicit_str_to_num_ok (void) |
|
|
1552 { |
|
|
1553 Vimplicit_str_to_num_ok = check_preference ("implicit_str_to_num_ok"); |
|
|
1554 |
|
|
1555 return 0; |
|
|
1556 } |
|
|
1557 |
|
|
1558 static int |
|
|
1559 ok_to_lose_imaginary_part (void) |
|
|
1560 { |
|
|
1561 Vok_to_lose_imaginary_part = check_preference ("ok_to_lose_imaginary_part"); |
|
|
1562 |
|
|
1563 return 0; |
|
|
1564 } |
|
|
1565 |
|
|
1566 static int |
|
|
1567 prefer_column_vectors (void) |
|
|
1568 { |
|
|
1569 Vprefer_column_vectors |
|
|
1570 = check_preference ("prefer_column_vectors"); |
|
|
1571 |
|
|
1572 liboctave_pcv_flag = Vprefer_column_vectors; |
|
|
1573 |
|
|
1574 return 0; |
|
|
1575 } |
|
|
1576 |
|
|
1577 static int |
|
|
1578 print_answer_id_name (void) |
|
|
1579 { |
|
|
1580 Vprint_answer_id_name = check_preference ("print_answer_id_name"); |
|
|
1581 |
|
|
1582 return 0; |
|
|
1583 } |
|
|
1584 |
|
|
1585 static int |
|
|
1586 propagate_empty_matrices (void) |
|
|
1587 { |
|
|
1588 Vpropagate_empty_matrices = check_preference ("propagate_empty_matrices"); |
|
|
1589 |
|
|
1590 return 0; |
|
|
1591 } |
|
|
1592 |
|
|
1593 static int |
|
|
1594 resize_on_range_error (void) |
|
|
1595 { |
|
|
1596 Vresize_on_range_error = check_preference ("resize_on_range_error"); |
|
|
1597 |
|
|
1598 liboctave_rre_flag = Vresize_on_range_error; |
|
|
1599 |
|
|
1600 return 0; |
|
|
1601 } |
|
|
1602 |
|
|
1603 static int |
|
|
1604 struct_levels_to_print (void) |
|
|
1605 { |
|
|
1606 double val; |
|
|
1607 if (builtin_real_scalar_variable ("struct_levels_to_print", val) |
|
|
1608 && ! xisnan (val)) |
|
|
1609 { |
|
|
1610 int ival = NINT (val); |
|
2800
|
1611 if (ival >= 0 && ival == val) |
|
2376
|
1612 { |
|
|
1613 Vstruct_levels_to_print = ival; |
|
|
1614 return 0; |
|
|
1615 } |
|
|
1616 } |
|
|
1617 gripe_invalid_value_specified ("struct_levels_to_print"); |
|
|
1618 return -1; |
|
|
1619 } |
|
|
1620 |
|
|
1621 static int |
|
|
1622 warn_divide_by_zero (void) |
|
|
1623 { |
|
|
1624 Vwarn_divide_by_zero = check_preference ("warn_divide_by_zero"); |
|
|
1625 |
|
|
1626 return 0; |
|
|
1627 } |
|
|
1628 |
|
|
1629 void |
|
2909
|
1630 symbols_of_ov (void) |
|
2376
|
1631 { |
|
3258
|
1632 DEFVAR (do_fortran_indexing, 0.0, do_fortran_indexing, |
|
3371
|
1633 "-*- texinfo -*-\n\ |
|
|
1634 @defvr {Built-in Variable} do_fortran_indexing\n\ |
|
|
1635 If the value of @code{do_fortran_indexing} is nonzero, Octave allows \n\ |
|
|
1636 you to select elements of a two-dimensional matrix using a single index\n\ |
|
|
1637 by treating the matrix as a single vector created from the columns of\n\ |
|
|
1638 the matrix. The default value is 0. \n\ |
|
|
1639 @end defvr"); |
|
2376
|
1640 |
|
3258
|
1641 DEFVAR (implicit_str_to_num_ok, 0.0, implicit_str_to_num_ok, |
|
3361
|
1642 "-*- texinfo -*-\n\ |
|
|
1643 @defvr {Built-in Variable} implicit_str_to_num_ok\n\ |
|
|
1644 If the value of @code{implicit_str_to_num_ok} is nonzero, implicit\n\ |
|
|
1645 conversions of strings to their numeric ASCII equivalents are allowed.\n\ |
|
|
1646 Otherwise, an error message is printed and control is returned to the\n\ |
|
|
1647 top level. The default value is 0.\n\ |
|
3363
|
1648 @end defvr"); |
|
2376
|
1649 |
|
3258
|
1650 DEFVAR (ok_to_lose_imaginary_part, "warn", ok_to_lose_imaginary_part, |
|
3370
|
1651 "-*- texinfo -*-\n\ |
|
|
1652 @defvr {Built-in Variable} ok_to_lose_imaginary_part\n\ |
|
|
1653 If the value of @code{ok_to_lose_imaginary_part} is nonzero, implicit\n\ |
|
|
1654 conversions of complex numbers to real numbers are allowed (for example,\n\ |
|
|
1655 by fsolve). If the value is @code{\"warn\"}, the conversion is allowed,\n\ |
|
|
1656 but a warning is printed. Otherwise, an error message is printed and\n\ |
|
|
1657 control is returned to the top level. The default value is\n\ |
|
|
1658 @code{\"warn\"}.\n\ |
|
|
1659 @end defvr"); |
|
2376
|
1660 |
|
3258
|
1661 DEFVAR (prefer_column_vectors, 1.0, prefer_column_vectors, |
|
3371
|
1662 "-*- texinfo -*-\n\ |
|
|
1663 @defvr {Built-in Variable} prefer_column_vectors\n\ |
|
|
1664 If @code{prefer_column_vectors} is nonzero, operations like\n\ |
|
|
1665 \n\ |
|
|
1666 @example\n\ |
|
|
1667 for i = 1:10\n\ |
|
|
1668 a (i) = i;\n\ |
|
|
1669 endfor\n\ |
|
|
1670 @end example\n\ |
|
|
1671 \n\ |
|
|
1672 @noindent\n\ |
|
|
1673 (for @code{a} previously undefined) produce column vectors. Otherwise, row\n\ |
|
|
1674 vectors are preferred. The default value is 1.\n\ |
|
|
1675 \n\ |
|
|
1676 If a variable is already defined to be a vector (a matrix with a single\n\ |
|
|
1677 row or column), the original orientation is respected, regardless of the\n\ |
|
|
1678 value of @code{prefer_column_vectors}.\n\ |
|
|
1679 @end defvr"); |
|
2376
|
1680 |
|
3258
|
1681 DEFVAR (print_answer_id_name, 1.0, print_answer_id_name, |
|
3372
|
1682 "-*- texinfo -*-\n\ |
|
|
1683 @defvr {Built-in Variable} print_answer_id_name\n\ |
|
|
1684 If the value of @code{print_answer_id_name} is nonzero, variable\n\ |
|
|
1685 names are printed along with the result. Otherwise, only the result\n\ |
|
|
1686 values are printed. The default value is 1.\n\ |
|
|
1687 @end defvr"); |
|
2376
|
1688 |
|
3258
|
1689 DEFVAR (propagate_empty_matrices, 1.0, propagate_empty_matrices, |
|
3321
|
1690 "-*- texinfo -*-\n\ |
|
|
1691 @defvr {Built-in Variable} propagate_empty_matrices\n\ |
|
|
1692 If the value of @code{propagate_empty_matrices} is nonzero,\n\ |
|
|
1693 functions like @code{inverse} and @code{svd} will return an empty matrix\n\ |
|
|
1694 if they are given one as an argument. The default value is 1.\n\ |
|
3333
|
1695 @end defvr"); |
|
2376
|
1696 |
|
3258
|
1697 DEFVAR (resize_on_range_error, 1.0, resize_on_range_error, |
|
3371
|
1698 "-*- texinfo -*-\n\ |
|
|
1699 @defvr {Built-in Variable} resize_on_range_error\n\ |
|
|
1700 If the value of @code{resize_on_range_error} is nonzero, expressions\n\ |
|
|
1701 like\n\ |
|
|
1702 \n\ |
|
|
1703 @example\n\ |
|
|
1704 for i = 1:10\n\ |
|
|
1705 a (i) = sqrt (i);\n\ |
|
|
1706 endfor\n\ |
|
|
1707 @end example\n\ |
|
|
1708 \n\ |
|
|
1709 @noindent\n\ |
|
|
1710 (for @code{a} previously undefined) result in the variable @code{a}\n\ |
|
|
1711 being resized to be just large enough to hold the new value. New\n\ |
|
|
1712 elements that have not been given a value are set to zero. If the value\n\ |
|
|
1713 of @code{resize_on_range_error} is 0, an error message is printed and\n\ |
|
|
1714 control is returned to the top level. The default value is 1.\n\ |
|
|
1715 @end defvr"); |
|
2376
|
1716 |
|
3258
|
1717 DEFVAR (struct_levels_to_print, 2.0, struct_levels_to_print, |
|
3361
|
1718 "-*- texinfo -*-\n\ |
|
|
1719 @defvr {Built-in Variable} struct_levels_to_print\n\ |
|
|
1720 You can tell Octave how many structure levels to display by setting the\n\ |
|
|
1721 built-in variable @code{struct_levels_to_print}. The default value is 2.\n\ |
|
3363
|
1722 @end defvr"); |
|
2376
|
1723 |
|
3258
|
1724 DEFVAR (warn_divide_by_zero, 1.0, warn_divide_by_zero, |
|
3371
|
1725 "-*- texinfo -*-\n\ |
|
|
1726 @defvr {Built-in Variable} warn_divide_by_zero\n\ |
|
|
1727 If the value of @code{warn_divide_by_zero} is nonzero, a warning\n\ |
|
|
1728 is issued when Octave encounters a division by zero. If the value is\n\ |
|
|
1729 0, the warning is omitted. The default value is 1.\n\ |
|
|
1730 @end defvr"); |
|
2376
|
1731 } |
|
|
1732 |
|
|
1733 /* |
|
|
1734 ;;; Local Variables: *** |
|
|
1735 ;;; mode: C++ *** |
|
|
1736 ;;; End: *** |
|
|
1737 */ |
