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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION) |
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24 #pragma implementation |
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25 #endif |
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26 |
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27 #ifdef HAVE_CONFIG_H |
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28 #include <config.h> |
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29 #endif |
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30 |
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31 #include "Array-flags.h" |
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32 #include "str-vec.h" |
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33 #include "quit.h" |
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34 |
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35 #include "oct-obj.h" |
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36 #include "ov.h" |
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37 #include "ov-base.h" |
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38 #include "ov-bool.h" |
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39 #include "ov-bool-mat.h" |
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40 #include "ov-cell.h" |
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41 #include "ov-scalar.h" |
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42 #include "ov-re-mat.h" |
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43 #include "ov-complex.h" |
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44 #include "ov-cx-mat.h" |
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45 #include "ov-ch-mat.h" |
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46 #include "ov-str-mat.h" |
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47 #include "ov-range.h" |
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48 #include "ov-struct.h" |
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49 #include "ov-file.h" |
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50 #include "ov-list.h" |
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51 #include "ov-cs-list.h" |
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52 #include "ov-colon.h" |
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53 #include "ov-va-args.h" |
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54 #include "ov-builtin.h" |
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55 #include "ov-mapper.h" |
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56 #include "ov-usr-fcn.h" |
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57 #include "ov-typeinfo.h" |
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58 |
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59 #include "defun.h" |
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60 #include "error.h" |
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61 #include "gripes.h" |
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62 #include "pager.h" |
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63 #include "parse.h" |
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64 #include "pr-output.h" |
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65 #include "utils.h" |
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66 #include "variables.h" |
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67 |
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68 // We are likely to have a lot of octave_value objects to allocate, so |
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69 // make the grow_size large. |
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70 DEFINE_OCTAVE_ALLOCATOR2(octave_value, 1024); |
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71 |
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72 // If TRUE, turn off printing of results in functions (as if a |
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73 // semicolon has been appended to each statement). |
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74 static bool Vsilent_functions; |
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75 |
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76 // If TRUE, allow assignments like |
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77 // |
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78 // octave> A(1) = 3; A(2) = 5 |
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79 // |
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80 // for A already defined and a matrix type. |
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81 bool Vdo_fortran_indexing; |
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82 |
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83 // Should we allow things like: |
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84 // |
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85 // octave> 'abc' + 0 |
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86 // 97 98 99 |
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87 // |
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88 // to happen? A positive value means yes. A negative value means |
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89 // yes, but print a warning message. Zero means it should be |
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90 // considered an error. |
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91 int Vimplicit_str_to_num_ok; |
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92 |
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93 // Should we allow silent conversion of complex to real when a real |
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94 // type is what we're really looking for? A positive value means yes. |
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95 // A negative value means yes, but print a warning message. Zero |
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96 // means it should be considered an error. |
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97 int Vok_to_lose_imaginary_part; |
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98 |
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99 // If TRUE, create column vectors when doing assignments like: |
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100 // |
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101 // octave> A(1) = 3; A(2) = 5 |
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102 // |
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103 // (for A undefined). Only matters when resize_on_range_error is also |
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104 // TRUE. |
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105 static bool Vprefer_column_vectors; |
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106 |
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107 // If TRUE, print the name along with the value. |
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108 bool Vprint_answer_id_name; |
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109 |
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110 // Should operations on empty matrices return empty matrices or an |
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111 // error? A positive value means yes. A negative value means yes, |
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112 // but print a warning message. Zero means it should be considered an |
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113 // error. |
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114 int Vpropagate_empty_matrices; |
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115 |
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116 // How many levels of structure elements should we print? |
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117 int Vstruct_levels_to_print; |
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118 |
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119 // Allow divide by zero errors to be suppressed. |
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120 bool Vwarn_divide_by_zero; |
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121 |
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122 // If TRUE, resize matrices when performing and indexed assignment and |
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123 // the indices are outside the current bounds. |
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124 bool Vresize_on_range_error; |
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125 |
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126 // XXX FIXME XXX |
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127 |
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128 // Octave's value type. |
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129 |
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130 std::string |
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131 octave_value::unary_op_as_string (unary_op op) |
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132 { |
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133 std::string retval; |
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134 |
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135 switch (op) |
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136 { |
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137 case op_not: |
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138 retval = "!"; |
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139 break; |
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140 |
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141 case op_uminus: |
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142 retval = "-"; |
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143 break; |
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144 |
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145 case op_transpose: |
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146 retval = ".'"; |
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147 break; |
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148 |
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149 case op_hermitian: |
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150 retval = "'"; |
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151 break; |
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152 |
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153 case op_incr: |
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154 retval = "++"; |
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155 break; |
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156 |
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157 case op_decr: |
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158 retval = "--"; |
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159 break; |
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160 |
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161 default: |
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162 retval = "<unknown>"; |
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163 } |
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164 |
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165 return retval; |
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166 } |
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167 |
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168 std::string |
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169 octave_value::binary_op_as_string (binary_op op) |
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170 { |
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171 std::string retval; |
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172 |
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173 switch (op) |
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174 { |
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175 case op_add: |
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176 retval = "+"; |
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177 break; |
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178 |
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179 case op_sub: |
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180 retval = "-"; |
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181 break; |
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182 |
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183 case op_mul: |
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184 retval = "*"; |
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185 break; |
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186 |
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187 case op_div: |
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188 retval = "/"; |
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189 break; |
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190 |
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191 case op_pow: |
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192 retval = "^"; |
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193 break; |
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194 |
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195 case op_ldiv: |
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196 retval = "\\"; |
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197 break; |
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198 |
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199 case op_lshift: |
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200 retval = "<<"; |
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201 break; |
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202 |
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203 case op_rshift: |
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204 retval = ">>"; |
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205 break; |
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206 |
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207 case op_lt: |
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208 retval = "<"; |
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209 break; |
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210 |
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211 case op_le: |
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212 retval = "<="; |
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213 break; |
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214 |
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215 case op_eq: |
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216 retval = "=="; |
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217 break; |
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218 |
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219 case op_ge: |
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220 retval = ">="; |
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221 break; |
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222 |
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223 case op_gt: |
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224 retval = ">"; |
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225 break; |
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226 |
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227 case op_ne: |
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228 retval = "!="; |
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229 break; |
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230 |
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231 case op_el_mul: |
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232 retval = ".*"; |
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233 break; |
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234 |
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235 case op_el_div: |
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236 retval = "./"; |
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237 break; |
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238 |
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239 case op_el_pow: |
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240 retval = ".^"; |
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241 break; |
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242 |
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243 case op_el_ldiv: |
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244 retval = ".\\"; |
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245 break; |
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246 |
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247 case op_el_and: |
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248 retval = "&"; |
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249 break; |
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250 |
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251 case op_el_or: |
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252 retval = "|"; |
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253 break; |
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254 |
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255 case op_struct_ref: |
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256 retval = "."; |
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257 break; |
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258 |
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259 default: |
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260 retval = "<unknown>"; |
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261 } |
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262 |
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263 return retval; |
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264 } |
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265 |
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266 std::string |
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267 octave_value::assign_op_as_string (assign_op op) |
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268 { |
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269 std::string retval; |
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270 |
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271 switch (op) |
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272 { |
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273 case op_asn_eq: |
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274 retval = "="; |
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275 break; |
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276 |
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277 case op_add_eq: |
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278 retval = "+="; |
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279 break; |
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280 |
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281 case op_sub_eq: |
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282 retval = "-="; |
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283 break; |
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284 |
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285 case op_mul_eq: |
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286 retval = "*="; |
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287 break; |
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288 |
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289 case op_div_eq: |
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290 retval = "/="; |
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291 break; |
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292 |
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293 case op_ldiv_eq: |
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294 retval = "\\="; |
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295 break; |
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296 |
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297 case op_pow_eq: |
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298 retval = "^="; |
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299 break; |
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300 |
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301 case op_lshift_eq: |
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302 retval = "<<="; |
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303 break; |
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304 |
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305 case op_rshift_eq: |
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306 retval = ">>="; |
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307 break; |
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308 |
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309 case op_el_mul_eq: |
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310 retval = ".*="; |
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311 break; |
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312 |
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313 case op_el_div_eq: |
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314 retval = "./="; |
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315 break; |
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316 |
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317 case op_el_ldiv_eq: |
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318 retval = ".\\="; |
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319 break; |
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320 |
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321 case op_el_pow_eq: |
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322 retval = ".^="; |
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323 break; |
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324 |
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325 case op_el_and_eq: |
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326 retval = "&="; |
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327 break; |
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328 |
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329 case op_el_or_eq: |
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330 retval = "|="; |
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331 break; |
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332 |
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333 default: |
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334 retval = "<unknown>"; |
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335 } |
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336 |
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337 return retval; |
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338 } |
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339 |
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340 octave_value::octave_value (void) |
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341 : rep (new octave_base_value ()) |
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342 { |
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343 rep->count = 1; |
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344 } |
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345 |
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346 octave_value::octave_value (short int i) |
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347 : rep (new octave_scalar (i)) |
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348 { |
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349 rep->count = 1; |
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350 } |
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351 |
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352 octave_value::octave_value (unsigned short int i) |
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353 : rep (new octave_scalar (i)) |
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354 { |
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355 rep->count = 1; |
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356 } |
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357 |
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358 octave_value::octave_value (int i) |
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359 : rep (new octave_scalar (i)) |
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360 { |
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361 rep->count = 1; |
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362 } |
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363 |
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364 octave_value::octave_value (unsigned int i) |
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365 : rep (new octave_scalar (i)) |
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366 { |
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367 rep->count = 1; |
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368 } |
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369 |
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370 octave_value::octave_value (long int i) |
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371 : rep (new octave_scalar (i)) |
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372 { |
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373 rep->count = 1; |
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374 } |
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375 |
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376 octave_value::octave_value (unsigned long int i) |
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377 : rep (new octave_scalar (i)) |
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378 { |
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379 rep->count = 1; |
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380 } |
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381 |
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382 octave_value::octave_value (octave_time t) |
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383 : rep (new octave_scalar (t)) |
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384 { |
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385 rep->count = 1; |
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386 } |
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387 |
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388 octave_value::octave_value (double d) |
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389 : rep (new octave_scalar (d)) |
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390 { |
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391 rep->count = 1; |
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392 } |
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393 |
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394 octave_value::octave_value (const Cell& c) |
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395 : rep (new octave_cell (c)) |
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396 { |
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397 rep->count = 1; |
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398 maybe_mutate (); |
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399 } |
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400 |
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401 octave_value::octave_value (const Matrix& m) |
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402 : rep (new octave_matrix (m)) |
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403 { |
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404 rep->count = 1; |
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405 maybe_mutate (); |
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406 } |
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407 |
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408 octave_value::octave_value (const DiagMatrix& d) |
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409 : rep (new octave_matrix (d)) |
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410 { |
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411 rep->count = 1; |
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412 maybe_mutate (); |
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413 } |
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414 |
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415 octave_value::octave_value (const RowVector& v) |
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416 : rep (new octave_matrix (v)) |
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417 { |
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418 rep->count = 1; |
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419 maybe_mutate (); |
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420 } |
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421 |
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422 octave_value::octave_value (const ColumnVector& v) |
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423 : rep (new octave_matrix (v)) |
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424 { |
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425 rep->count = 1; |
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426 maybe_mutate (); |
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427 } |
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428 |
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429 octave_value::octave_value (const Complex& C) |
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430 : rep (new octave_complex (C)) |
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431 { |
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432 rep->count = 1; |
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433 maybe_mutate (); |
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434 } |
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435 |
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436 octave_value::octave_value (const ComplexMatrix& m) |
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437 : rep (new octave_complex_matrix (m)) |
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438 { |
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439 rep->count = 1; |
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440 maybe_mutate (); |
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441 } |
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442 |
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443 octave_value::octave_value (const ComplexDiagMatrix& d) |
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444 : rep (new octave_complex_matrix (d)) |
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445 { |
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446 rep->count = 1; |
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447 maybe_mutate (); |
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448 } |
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449 |
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450 octave_value::octave_value (const ComplexRowVector& v) |
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451 : rep (new octave_complex_matrix (v)) |
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452 { |
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453 rep->count = 1; |
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454 maybe_mutate (); |
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455 } |
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456 |
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457 octave_value::octave_value (const ComplexColumnVector& v) |
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458 : rep (new octave_complex_matrix (v)) |
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459 { |
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460 rep->count = 1; |
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461 maybe_mutate (); |
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462 } |
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463 |
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464 octave_value::octave_value (bool b) |
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465 : rep (new octave_bool (b)) |
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466 { |
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467 rep->count = 1; |
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468 } |
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469 |
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470 octave_value::octave_value (const boolMatrix& bm) |
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471 : rep (new octave_bool_matrix (bm)) |
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472 { |
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473 rep->count = 1; |
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474 maybe_mutate (); |
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475 } |
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476 |
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3189
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477 octave_value::octave_value (char c) |
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478 : rep (new octave_char_matrix_str (c)) |
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479 { |
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480 rep->count = 1; |
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481 maybe_mutate (); |
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482 } |
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483 |
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484 octave_value::octave_value (const char *s) |
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485 : rep (new octave_char_matrix_str (s)) |
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486 { |
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487 rep->count = 1; |
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488 maybe_mutate (); |
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489 } |
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2376
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490 |
|
3523
|
491 octave_value::octave_value (const std::string& s) |
|
2423
|
492 : rep (new octave_char_matrix_str (s)) |
|
|
493 { |
|
|
494 rep->count = 1; |
|
|
495 maybe_mutate (); |
|
|
496 } |
|
2376
|
497 |
|
|
498 octave_value::octave_value (const string_vector& s) |
|
2423
|
499 : rep (new octave_char_matrix_str (s)) |
|
|
500 { |
|
|
501 rep->count = 1; |
|
|
502 maybe_mutate (); |
|
|
503 } |
|
2376
|
504 |
|
|
505 octave_value::octave_value (const charMatrix& chm, bool is_string) |
|
2409
|
506 : rep (0) |
|
|
507 { |
|
|
508 if (is_string) |
|
|
509 rep = new octave_char_matrix_str (chm); |
|
|
510 else |
|
|
511 rep = new octave_char_matrix (chm); |
|
2376
|
512 |
|
2409
|
513 rep->count = 1; |
|
2423
|
514 maybe_mutate (); |
|
2409
|
515 } |
|
2376
|
516 |
|
|
517 octave_value::octave_value (double base, double limit, double inc) |
|
2423
|
518 : rep (new octave_range (base, limit, inc)) |
|
|
519 { |
|
|
520 rep->count = 1; |
|
|
521 maybe_mutate (); |
|
|
522 } |
|
2376
|
523 |
|
|
524 octave_value::octave_value (const Range& r) |
|
2423
|
525 : rep (new octave_range (r)) |
|
|
526 { |
|
|
527 rep->count = 1; |
|
|
528 maybe_mutate (); |
|
|
529 } |
|
2376
|
530 |
|
|
531 octave_value::octave_value (const Octave_map& m) |
|
2825
|
532 : rep (new octave_struct (m)) |
|
|
533 { |
|
|
534 rep->count = 1; |
|
2880
|
535 } |
|
|
536 |
|
3340
|
537 octave_value::octave_value (const octave_stream& s, int n) |
|
2903
|
538 : rep (new octave_file (s, n)) |
|
|
539 { |
|
|
540 rep->count = 1; |
|
|
541 } |
|
|
542 |
|
2974
|
543 octave_value::octave_value (octave_function *f) |
|
|
544 : rep (f) |
|
|
545 { |
|
|
546 rep->count = 1; |
|
|
547 } |
|
|
548 |
|
3977
|
549 octave_value::octave_value (const octave_value_list& l, bool is_cs_list) |
|
|
550 : rep (0) |
|
2880
|
551 { |
|
4038
|
552 rep = is_cs_list ? new octave_cs_list (l) : new octave_list (l); |
|
3977
|
553 |
|
2880
|
554 rep->count = 1; |
|
|
555 } |
|
2376
|
556 |
|
|
557 octave_value::octave_value (octave_value::magic_colon) |
|
2825
|
558 : rep (new octave_magic_colon ()) |
|
|
559 { |
|
|
560 rep->count = 1; |
|
|
561 } |
|
2376
|
562 |
|
|
563 octave_value::octave_value (octave_value::all_va_args) |
|
2825
|
564 : rep (new octave_all_va_args ()) |
|
|
565 { |
|
|
566 rep->count = 1; |
|
|
567 } |
|
2376
|
568 |
|
3933
|
569 octave_value::octave_value (octave_value *new_rep, int count) |
|
2825
|
570 : rep (new_rep) |
|
|
571 { |
|
3933
|
572 rep->count = count; |
|
2825
|
573 } |
|
2376
|
574 |
|
|
575 octave_value::~octave_value (void) |
|
|
576 { |
|
|
577 #if defined (MDEBUG) |
|
3531
|
578 std::cerr << "~octave_value: rep: " << rep |
|
|
579 << " rep->count: " << rep->count << "\n"; |
|
2376
|
580 #endif |
|
|
581 |
|
|
582 if (rep && --rep->count == 0) |
|
|
583 { |
|
|
584 delete rep; |
|
|
585 rep = 0; |
|
|
586 } |
|
|
587 } |
|
|
588 |
|
2880
|
589 octave_value * |
|
3933
|
590 octave_value::clone (void) const |
|
2880
|
591 { |
|
|
592 panic_impossible (); |
|
3546
|
593 return 0; |
|
2880
|
594 } |
|
|
595 |
|
2409
|
596 void |
|
|
597 octave_value::maybe_mutate (void) |
|
|
598 { |
|
2410
|
599 octave_value *tmp = rep->try_narrowing_conversion (); |
|
2409
|
600 |
|
|
601 if (tmp && tmp != rep) |
|
|
602 { |
|
|
603 if (--rep->count == 0) |
|
|
604 delete rep; |
|
|
605 |
|
|
606 rep = tmp; |
|
|
607 rep->count = 1; |
|
|
608 } |
|
|
609 } |
|
|
610 |
|
4247
|
611 octave_value |
|
|
612 octave_value::subsref (const std::string& type, const octave_value_list& idx) |
|
|
613 { |
|
|
614 std::list<octave_value_list> i; |
|
|
615 |
|
|
616 i.push_back (idx); |
|
|
617 |
|
|
618 return rep->subsref (type, i); |
|
|
619 } |
|
|
620 |
|
2974
|
621 octave_value_list |
|
4247
|
622 octave_value::subsref (const std::string& type, |
|
4219
|
623 const std::list<octave_value_list>& idx, int nargout) |
|
3933
|
624 { |
|
|
625 if (is_constant ()) |
|
|
626 return rep->subsref (type, idx); |
|
|
627 else |
|
|
628 return rep->subsref (type, idx, nargout); |
|
|
629 } |
|
|
630 |
|
|
631 octave_value |
|
4247
|
632 octave_value::next_subsref (const std::string& type, |
|
4219
|
633 const std::list<octave_value_list>& idx, |
|
4233
|
634 size_t skip) |
|
3933
|
635 { |
|
4219
|
636 if (idx.size () > skip) |
|
3933
|
637 { |
|
4219
|
638 std::list<octave_value_list> new_idx (idx); |
|
4233
|
639 for (size_t i = 0; i < skip; i++) |
|
4219
|
640 new_idx.erase (new_idx.begin ()); |
|
3933
|
641 return subsref (type.substr (skip), new_idx); |
|
|
642 } |
|
|
643 else |
|
|
644 return *this; |
|
|
645 } |
|
|
646 |
|
|
647 octave_value_list |
|
3544
|
648 octave_value::do_multi_index_op (int nargout, const octave_value_list& idx) |
|
2974
|
649 { |
|
3544
|
650 return rep->do_multi_index_op (nargout, idx); |
|
2974
|
651 } |
|
|
652 |
|
2376
|
653 static void |
|
3933
|
654 gripe_no_conversion (const std::string& on, const std::string& tn1, |
|
|
655 const std::string& tn2) |
|
2376
|
656 { |
|
3203
|
657 error ("operator %s: no conversion for assignment of `%s' to indexed `%s'", |
|
|
658 on.c_str (), tn2.c_str (), tn1.c_str ()); |
|
2376
|
659 } |
|
|
660 |
|
3933
|
661 #if 0 |
|
3204
|
662 static void |
|
3933
|
663 gripe_assign_failed (const std::string& on, const std::string& tn1, |
|
|
664 const std::string& tn2) |
|
3204
|
665 { |
|
|
666 error ("assignment failed for `%s %s %s'", |
|
|
667 tn1.c_str (), on.c_str (), tn2.c_str ()); |
|
|
668 } |
|
3933
|
669 #endif |
|
3204
|
670 |
|
|
671 static void |
|
3933
|
672 gripe_assign_failed_or_no_method (const std::string& on, |
|
|
673 const std::string& tn1, |
|
3523
|
674 const std::string& tn2) |
|
3204
|
675 { |
|
|
676 error ("assignment failed, or no method for `%s %s %s'", |
|
|
677 tn1.c_str (), on.c_str (), tn2.c_str ()); |
|
|
678 } |
|
|
679 |
|
3933
|
680 octave_value |
|
4247
|
681 octave_value::subsasgn (const std::string& type, |
|
4219
|
682 const std::list<octave_value_list>& idx, |
|
3933
|
683 const octave_value& rhs) |
|
|
684 { |
|
|
685 return rep->subsasgn (type, idx, rhs); |
|
|
686 } |
|
|
687 |
|
|
688 octave_value |
|
4247
|
689 octave_value::assign (assign_op op, const std::string& type, |
|
4219
|
690 const std::list<octave_value_list>& idx, |
|
3933
|
691 const octave_value& rhs) |
|
|
692 { |
|
|
693 octave_value retval; |
|
|
694 |
|
|
695 make_unique (); |
|
|
696 |
|
|
697 octave_value t_rhs = rhs; |
|
|
698 |
|
|
699 if (op != op_asn_eq) |
|
|
700 { |
|
|
701 // XXX FIXME XXX -- only do the following stuff if we can't find |
|
|
702 // a specific function to call to handle the op= operation for |
|
|
703 // the types we have. |
|
|
704 |
|
|
705 octave_value t = subsref (type, idx); |
|
|
706 |
|
|
707 if (! error_state) |
|
|
708 { |
|
|
709 binary_op binop = op_eq_to_binary_op (op); |
|
|
710 |
|
|
711 if (! error_state) |
|
|
712 t_rhs = do_binary_op (binop, t, rhs); |
|
|
713 } |
|
|
714 } |
|
|
715 |
|
|
716 if (! error_state) |
|
|
717 { |
|
|
718 if (type[0] == '.' && ! is_map ()) |
|
|
719 { |
|
|
720 octave_value tmp = Octave_map (); |
|
|
721 retval = tmp.subsasgn (type, idx, t_rhs); |
|
|
722 } |
|
|
723 else |
|
|
724 retval = subsasgn (type, idx, t_rhs); |
|
|
725 } |
|
|
726 |
|
|
727 if (error_state) |
|
|
728 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
729 type_name (), rhs.type_name ()); |
|
|
730 |
|
|
731 return retval; |
|
|
732 } |
|
|
733 |
|
|
734 const octave_value& |
|
3203
|
735 octave_value::assign (assign_op op, const octave_value& rhs) |
|
2880
|
736 { |
|
3533
|
737 if (op == op_asn_eq) |
|
3203
|
738 operator = (rhs); |
|
|
739 else |
|
|
740 { |
|
3204
|
741 // XXX FIXME XXX -- only do the following stuff if we can't find |
|
|
742 // a specific function to call to handle the op= operation for |
|
|
743 // the types we have. |
|
|
744 |
|
|
745 binary_op binop = op_eq_to_binary_op (op); |
|
|
746 |
|
|
747 if (! error_state) |
|
|
748 { |
|
|
749 octave_value t = do_binary_op (binop, *this, rhs); |
|
|
750 |
|
|
751 if (! error_state) |
|
|
752 operator = (t); |
|
|
753 } |
|
|
754 |
|
|
755 if (error_state) |
|
|
756 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
757 type_name (), rhs.type_name ()); |
|
|
758 } |
|
|
759 |
|
3933
|
760 return *this; |
|
2376
|
761 } |
|
|
762 |
|
3351
|
763 Cell |
|
|
764 octave_value::cell_value (void) const |
|
|
765 { |
|
|
766 return rep->cell_value (); |
|
|
767 } |
|
|
768 |
|
2376
|
769 Octave_map |
|
|
770 octave_value::map_value (void) const |
|
|
771 { |
|
|
772 return rep->map_value (); |
|
|
773 } |
|
|
774 |
|
3340
|
775 octave_stream |
|
2903
|
776 octave_value::stream_value (void) const |
|
|
777 { |
|
|
778 return rep->stream_value (); |
|
|
779 } |
|
|
780 |
|
|
781 int |
|
|
782 octave_value::stream_number (void) const |
|
|
783 { |
|
|
784 return rep->stream_number (); |
|
|
785 } |
|
|
786 |
|
2974
|
787 octave_function * |
|
|
788 octave_value::function_value (bool silent) |
|
|
789 { |
|
|
790 return rep->function_value (silent); |
|
|
791 } |
|
|
792 |
|
2880
|
793 octave_value_list |
|
|
794 octave_value::list_value (void) const |
|
|
795 { |
|
|
796 return rep->list_value (); |
|
|
797 } |
|
|
798 |
|
2376
|
799 ColumnVector |
|
3419
|
800 octave_value::column_vector_value (bool force_string_conv, |
|
|
801 bool force_vector_conversion) const |
|
|
802 { |
|
|
803 ColumnVector retval; |
|
|
804 |
|
|
805 Matrix m = matrix_value (force_string_conv); |
|
|
806 |
|
|
807 if (error_state) |
|
|
808 return retval; |
|
|
809 |
|
|
810 int nr = m.rows (); |
|
|
811 int nc = m.columns (); |
|
|
812 |
|
|
813 if (nc == 1) |
|
|
814 { |
|
|
815 retval.resize (nr); |
|
|
816 for (int i = 0; i < nr; i++) |
|
|
817 retval (i) = m (i, 0); |
|
|
818 } |
|
|
819 else |
|
|
820 { |
|
3523
|
821 std::string tn = type_name (); |
|
3419
|
822 gripe_invalid_conversion (tn.c_str (), "real column vector"); |
|
|
823 } |
|
|
824 |
|
|
825 return retval; |
|
|
826 } |
|
|
827 |
|
|
828 ComplexColumnVector |
|
|
829 octave_value::complex_column_vector_value (bool force_string_conv, |
|
|
830 bool force_vector_conversion) const |
|
|
831 { |
|
|
832 ComplexColumnVector retval; |
|
|
833 |
|
|
834 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
835 |
|
|
836 if (error_state) |
|
|
837 return retval; |
|
|
838 |
|
|
839 int nr = m.rows (); |
|
|
840 int nc = m.columns (); |
|
|
841 |
|
|
842 if (nc == 1) |
|
|
843 { |
|
3465
|
844 retval.resize (nr); |
|
|
845 for (int i = 0; i < nr; i++) |
|
3419
|
846 retval (i) = m (i, 0); |
|
|
847 } |
|
|
848 else |
|
|
849 { |
|
3523
|
850 std::string tn = type_name (); |
|
3419
|
851 gripe_invalid_conversion (tn.c_str (), "complex column vector"); |
|
|
852 } |
|
|
853 |
|
|
854 return retval; |
|
|
855 } |
|
|
856 |
|
|
857 RowVector |
|
|
858 octave_value::row_vector_value (bool force_string_conv, |
|
|
859 bool force_vector_conversion) const |
|
|
860 { |
|
|
861 RowVector retval; |
|
|
862 |
|
|
863 Matrix m = matrix_value (force_string_conv); |
|
|
864 |
|
|
865 if (error_state) |
|
|
866 return retval; |
|
|
867 |
|
|
868 int nr = m.rows (); |
|
|
869 int nc = m.columns (); |
|
|
870 |
|
|
871 if (nr == 1) |
|
|
872 { |
|
|
873 retval.resize (nc); |
|
|
874 for (int i = 0; i < nc; i++) |
|
|
875 retval (i) = m (0, i); |
|
|
876 } |
|
|
877 else |
|
|
878 { |
|
3523
|
879 std::string tn = type_name (); |
|
3419
|
880 gripe_invalid_conversion (tn.c_str (), "real row vector"); |
|
|
881 } |
|
|
882 |
|
|
883 return retval; |
|
|
884 } |
|
|
885 |
|
|
886 ComplexRowVector |
|
|
887 octave_value::complex_row_vector_value (bool force_string_conv, |
|
|
888 bool force_vector_conversion) const |
|
|
889 { |
|
|
890 ComplexRowVector retval; |
|
|
891 |
|
|
892 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
893 |
|
|
894 if (error_state) |
|
|
895 return retval; |
|
|
896 |
|
|
897 int nr = m.rows (); |
|
|
898 int nc = m.columns (); |
|
|
899 |
|
|
900 if (nr == 1) |
|
|
901 { |
|
|
902 retval.resize (nc); |
|
|
903 for (int i = 0; i < nc; i++) |
|
|
904 retval (i) = m (0, i); |
|
|
905 } |
|
|
906 else |
|
|
907 { |
|
3523
|
908 std::string tn = type_name (); |
|
3419
|
909 gripe_invalid_conversion (tn.c_str (), "complex row vector"); |
|
|
910 } |
|
|
911 |
|
|
912 return retval; |
|
|
913 } |
|
|
914 |
|
|
915 // Sloppy... |
|
|
916 |
|
|
917 Array<double> |
|
2376
|
918 octave_value::vector_value (bool force_string_conv, |
|
|
919 bool force_vector_conversion) const |
|
|
920 { |
|
3419
|
921 Array<double> retval; |
|
2376
|
922 |
|
|
923 Matrix m = matrix_value (force_string_conv); |
|
|
924 |
|
|
925 if (error_state) |
|
|
926 return retval; |
|
|
927 |
|
|
928 int nr = m.rows (); |
|
|
929 int nc = m.columns (); |
|
|
930 |
|
|
931 if (nr == 1) |
|
|
932 { |
|
|
933 retval.resize (nc); |
|
|
934 for (int i = 0; i < nc; i++) |
|
|
935 retval (i) = m (0, i); |
|
|
936 } |
|
|
937 else if (nc == 1) |
|
|
938 { |
|
|
939 retval.resize (nr); |
|
|
940 for (int i = 0; i < nr; i++) |
|
|
941 retval (i) = m (i, 0); |
|
|
942 } |
|
|
943 else if (nr > 0 && nc > 0 |
|
|
944 && (Vdo_fortran_indexing || force_vector_conversion)) |
|
|
945 { |
|
|
946 retval.resize (nr * nc); |
|
|
947 int k = 0; |
|
|
948 for (int j = 0; j < nc; j++) |
|
|
949 for (int i = 0; i < nr; i++) |
|
4153
|
950 { |
|
|
951 OCTAVE_QUIT; |
|
|
952 |
|
|
953 retval (k++) = m (i, j); |
|
|
954 } |
|
2376
|
955 } |
|
|
956 else |
|
|
957 { |
|
3523
|
958 std::string tn = type_name (); |
|
2376
|
959 gripe_invalid_conversion (tn.c_str (), "real vector"); |
|
|
960 } |
|
|
961 |
|
|
962 return retval; |
|
|
963 } |
|
|
964 |
|
4044
|
965 Array<int> |
|
|
966 octave_value::int_vector_value (bool force_string_conv, bool require_int, |
|
|
967 bool force_vector_conversion) const |
|
|
968 { |
|
|
969 Array<int> retval; |
|
|
970 |
|
|
971 Matrix m = matrix_value (force_string_conv); |
|
|
972 |
|
|
973 if (error_state) |
|
|
974 return retval; |
|
|
975 |
|
|
976 int nr = m.rows (); |
|
|
977 int nc = m.columns (); |
|
|
978 |
|
|
979 if (nr == 1) |
|
|
980 { |
|
|
981 retval.resize (nc); |
|
|
982 for (int i = 0; i < nc; i++) |
|
|
983 { |
|
4153
|
984 OCTAVE_QUIT; |
|
|
985 |
|
4044
|
986 double d = m (0, i); |
|
|
987 |
|
|
988 if (require_int && D_NINT (d) != d) |
|
|
989 { |
|
|
990 error ("conversion to integer value failed"); |
|
|
991 return retval; |
|
|
992 } |
|
|
993 |
|
|
994 retval (i) = static_cast<int> (d); |
|
|
995 } |
|
|
996 } |
|
|
997 else if (nc == 1) |
|
|
998 { |
|
|
999 retval.resize (nr); |
|
|
1000 for (int i = 0; i < nr; i++) |
|
|
1001 { |
|
4153
|
1002 OCTAVE_QUIT; |
|
|
1003 |
|
4044
|
1004 double d = m (i, 0); |
|
|
1005 |
|
|
1006 if (require_int && D_NINT (d) != d) |
|
|
1007 { |
|
|
1008 error ("conversion to integer value failed"); |
|
|
1009 return retval; |
|
|
1010 } |
|
|
1011 |
|
|
1012 retval (i) = static_cast<int> (d); |
|
|
1013 } |
|
|
1014 } |
|
|
1015 else if (nr > 0 && nc > 0 |
|
|
1016 && (Vdo_fortran_indexing || force_vector_conversion)) |
|
|
1017 { |
|
|
1018 retval.resize (nr * nc); |
|
|
1019 int k = 0; |
|
|
1020 for (int j = 0; j < nc; j++) |
|
|
1021 { |
|
|
1022 for (int i = 0; i < nr; i++) |
|
|
1023 { |
|
4153
|
1024 OCTAVE_QUIT; |
|
|
1025 |
|
4044
|
1026 double d = m (i, j); |
|
|
1027 |
|
|
1028 if (require_int && D_NINT (d) != d) |
|
|
1029 { |
|
|
1030 error ("conversion to integer value failed"); |
|
|
1031 return retval; |
|
|
1032 } |
|
|
1033 |
|
|
1034 retval (k++) = static_cast<int> (d); |
|
|
1035 } |
|
|
1036 } |
|
|
1037 } |
|
|
1038 else |
|
|
1039 { |
|
|
1040 std::string tn = type_name (); |
|
|
1041 gripe_invalid_conversion (tn.c_str (), "real vector"); |
|
|
1042 } |
|
|
1043 |
|
|
1044 return retval; |
|
|
1045 } |
|
|
1046 |
|
3419
|
1047 Array<Complex> |
|
2376
|
1048 octave_value::complex_vector_value (bool force_string_conv, |
|
|
1049 bool force_vector_conversion) const |
|
|
1050 { |
|
3419
|
1051 Array<Complex> retval; |
|
2376
|
1052 |
|
|
1053 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
1054 |
|
|
1055 if (error_state) |
|
|
1056 return retval; |
|
|
1057 |
|
|
1058 int nr = m.rows (); |
|
|
1059 int nc = m.columns (); |
|
|
1060 |
|
|
1061 if (nr == 1) |
|
|
1062 { |
|
|
1063 retval.resize (nc); |
|
|
1064 for (int i = 0; i < nc; i++) |
|
4153
|
1065 { |
|
|
1066 OCTAVE_QUIT; |
|
|
1067 retval (i) = m (0, i); |
|
|
1068 } |
|
2376
|
1069 } |
|
|
1070 else if (nc == 1) |
|
|
1071 { |
|
|
1072 retval.resize (nr); |
|
|
1073 for (int i = 0; i < nr; i++) |
|
4153
|
1074 { |
|
|
1075 OCTAVE_QUIT; |
|
|
1076 retval (i) = m (i, 0); |
|
|
1077 } |
|
2376
|
1078 } |
|
|
1079 else if (nr > 0 && nc > 0 |
|
|
1080 && (Vdo_fortran_indexing || force_vector_conversion)) |
|
|
1081 { |
|
|
1082 retval.resize (nr * nc); |
|
|
1083 int k = 0; |
|
|
1084 for (int j = 0; j < nc; j++) |
|
|
1085 for (int i = 0; i < nr; i++) |
|
4153
|
1086 { |
|
|
1087 OCTAVE_QUIT; |
|
|
1088 retval (k++) = m (i, j); |
|
|
1089 } |
|
2376
|
1090 } |
|
|
1091 else |
|
|
1092 { |
|
3523
|
1093 std::string tn = type_name (); |
|
2376
|
1094 gripe_invalid_conversion (tn.c_str (), "complex vector"); |
|
|
1095 } |
|
|
1096 |
|
|
1097 return retval; |
|
|
1098 } |
|
|
1099 |
|
|
1100 void |
|
4005
|
1101 octave_value::print_with_name (std::ostream& output_buf, |
|
|
1102 const std::string& name, |
|
2903
|
1103 bool print_padding) const |
|
2376
|
1104 { |
|
4005
|
1105 if (! (evaluating_function_body && Vsilent_functions)) |
|
|
1106 { |
|
|
1107 bool pad_after = print_name_tag (output_buf, name); |
|
2376
|
1108 |
|
4005
|
1109 print (output_buf); |
|
2376
|
1110 |
|
4005
|
1111 if (print_padding && pad_after) |
|
|
1112 newline (output_buf); |
|
|
1113 } |
|
2376
|
1114 } |
|
|
1115 |
|
|
1116 static void |
|
3523
|
1117 gripe_indexed_assignment (const std::string& tn1, const std::string& tn2) |
|
2413
|
1118 { |
|
2903
|
1119 error ("assignment of `%s' to indexed `%s' not implemented", |
|
2413
|
1120 tn2.c_str (), tn1.c_str ()); |
|
|
1121 } |
|
|
1122 |
|
|
1123 static void |
|
3933
|
1124 gripe_assign_conversion_failed (const std::string& tn1, |
|
|
1125 const std::string& tn2) |
|
2413
|
1126 { |
|
2903
|
1127 error ("type conversion for assignment of `%s' to indexed `%s' failed", |
|
2413
|
1128 tn2.c_str (), tn1.c_str ()); |
|
|
1129 } |
|
|
1130 |
|
3933
|
1131 octave_value |
|
4247
|
1132 octave_value::numeric_assign (const std::string& type, |
|
4219
|
1133 const std::list<octave_value_list>& idx, |
|
2413
|
1134 const octave_value& rhs) |
|
|
1135 { |
|
3933
|
1136 octave_value retval; |
|
2413
|
1137 |
|
|
1138 int t_lhs = type_id (); |
|
|
1139 int t_rhs = rhs.type_id (); |
|
|
1140 |
|
2880
|
1141 assign_op_fcn f |
|
3933
|
1142 = octave_value_typeinfo::lookup_assign_op (op_asn_eq, t_lhs, t_rhs); |
|
|
1143 |
|
|
1144 bool done = false; |
|
2413
|
1145 |
|
|
1146 if (f) |
|
|
1147 { |
|
3933
|
1148 f (*this, idx.front (), rhs.get_rep ()); |
|
2413
|
1149 |
|
3933
|
1150 done = (! error_state); |
|
2413
|
1151 } |
|
3933
|
1152 |
|
|
1153 if (done) |
|
|
1154 retval = octave_value (this, count + 1); |
|
3196
|
1155 else |
|
|
1156 { |
|
3933
|
1157 int t_result |
|
|
1158 = octave_value_typeinfo::lookup_pref_assign_conv (t_lhs, t_rhs); |
|
|
1159 |
|
|
1160 if (t_result >= 0) |
|
|
1161 { |
|
|
1162 type_conv_fcn cf |
|
|
1163 = octave_value_typeinfo::lookup_widening_op (t_lhs, t_result); |
|
|
1164 |
|
|
1165 if (cf) |
|
|
1166 { |
|
|
1167 octave_value *tmp (cf (*this)); |
|
3196
|
1168 |
|
3933
|
1169 if (tmp) |
|
|
1170 { |
|
|
1171 retval = tmp->subsasgn (type, idx, rhs); |
|
|
1172 |
|
|
1173 done = (! error_state); |
|
|
1174 } |
|
|
1175 else |
|
|
1176 gripe_assign_conversion_failed (type_name (), |
|
|
1177 rhs.type_name ()); |
|
|
1178 } |
|
|
1179 else |
|
|
1180 gripe_indexed_assignment (type_name (), rhs.type_name ()); |
|
|
1181 } |
|
|
1182 |
|
|
1183 if (! (done || error_state)) |
|
3196
|
1184 { |
|
3933
|
1185 octave_value tmp_rhs; |
|
|
1186 type_conv_fcn cf_rhs = rhs.numeric_conversion_function (); |
|
|
1187 |
|
|
1188 if (cf_rhs) |
|
|
1189 { |
|
|
1190 octave_value *tmp = cf_rhs (rhs.get_rep ()); |
|
|
1191 |
|
|
1192 if (tmp) |
|
|
1193 tmp_rhs = octave_value (tmp); |
|
|
1194 else |
|
|
1195 { |
|
|
1196 gripe_assign_conversion_failed (type_name (), |
|
|
1197 rhs.type_name ()); |
|
|
1198 return octave_value (); |
|
|
1199 } |
|
|
1200 } |
|
|
1201 else |
|
|
1202 tmp_rhs = rhs; |
|
|
1203 |
|
|
1204 type_conv_fcn cf_this = numeric_conversion_function (); |
|
|
1205 |
|
|
1206 octave_value *tmp_lhs = this; |
|
3196
|
1207 |
|
3933
|
1208 if (cf_this) |
|
|
1209 { |
|
|
1210 octave_value *tmp = cf_this (*this); |
|
|
1211 |
|
|
1212 if (tmp) |
|
|
1213 tmp_lhs = tmp; |
|
|
1214 else |
|
|
1215 { |
|
|
1216 gripe_assign_conversion_failed (type_name (), |
|
|
1217 rhs.type_name ()); |
|
|
1218 return octave_value (); |
|
|
1219 } |
|
|
1220 } |
|
|
1221 |
|
|
1222 if (cf_this || cf_rhs) |
|
|
1223 { |
|
|
1224 retval = tmp_lhs->subsasgn (type, idx, tmp_rhs); |
|
|
1225 |
|
|
1226 done = (! error_state); |
|
|
1227 } |
|
|
1228 else |
|
|
1229 gripe_no_conversion (assign_op_as_string (op_asn_eq), |
|
|
1230 type_name (), rhs.type_name ()); |
|
3196
|
1231 } |
|
|
1232 } |
|
2413
|
1233 |
|
|
1234 return retval; |
|
|
1235 } |
|
|
1236 |
|
|
1237 static void |
|
3933
|
1238 gripe_binary_op (const std::string& on, const std::string& tn1, |
|
|
1239 const std::string& tn2) |
|
2376
|
1240 { |
|
2903
|
1241 error ("binary operator `%s' not implemented for `%s' by `%s' operations", |
|
2376
|
1242 on.c_str (), tn1.c_str (), tn2.c_str ()); |
|
|
1243 } |
|
|
1244 |
|
3203
|
1245 static void |
|
3523
|
1246 gripe_binary_op_conv (const std::string& on) |
|
3203
|
1247 { |
|
|
1248 error ("type conversion failed for binary operator `%s'", on.c_str ()); |
|
|
1249 } |
|
|
1250 |
|
2376
|
1251 octave_value |
|
3933
|
1252 do_binary_op (octave_value::binary_op op, |
|
|
1253 const octave_value& v1, const octave_value& v2) |
|
2376
|
1254 { |
|
|
1255 octave_value retval; |
|
|
1256 |
|
|
1257 int t1 = v1.type_id (); |
|
|
1258 int t2 = v2.type_id (); |
|
|
1259 |
|
2427
|
1260 binary_op_fcn f = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
2376
|
1261 |
|
|
1262 if (f) |
|
|
1263 retval = f (*v1.rep, *v2.rep); |
|
|
1264 else |
|
|
1265 { |
|
|
1266 octave_value tv1; |
|
2427
|
1267 type_conv_fcn cf1 = v1.numeric_conversion_function (); |
|
2376
|
1268 |
|
|
1269 if (cf1) |
|
|
1270 { |
|
3203
|
1271 octave_value *tmp = cf1 (*v1.rep); |
|
|
1272 |
|
|
1273 if (tmp) |
|
|
1274 { |
|
|
1275 tv1 = octave_value (tmp); |
|
|
1276 t1 = tv1.type_id (); |
|
|
1277 } |
|
|
1278 else |
|
|
1279 { |
|
|
1280 gripe_binary_op_conv (octave_value::binary_op_as_string (op)); |
|
|
1281 return retval; |
|
|
1282 } |
|
2376
|
1283 } |
|
|
1284 else |
|
|
1285 tv1 = v1; |
|
|
1286 |
|
|
1287 octave_value tv2; |
|
2427
|
1288 type_conv_fcn cf2 = v2.numeric_conversion_function (); |
|
2376
|
1289 |
|
|
1290 if (cf2) |
|
|
1291 { |
|
3203
|
1292 octave_value *tmp = cf2 (*v2.rep); |
|
|
1293 |
|
|
1294 if (tmp) |
|
|
1295 { |
|
|
1296 tv2 = octave_value (tmp); |
|
|
1297 t2 = tv2.type_id (); |
|
|
1298 } |
|
|
1299 else |
|
|
1300 { |
|
|
1301 gripe_binary_op_conv (octave_value::binary_op_as_string (op)); |
|
|
1302 return retval; |
|
|
1303 } |
|
2376
|
1304 } |
|
|
1305 else |
|
|
1306 tv2 = v2; |
|
|
1307 |
|
|
1308 if (cf1 || cf2) |
|
|
1309 { |
|
2427
|
1310 binary_op_fcn f |
|
2376
|
1311 = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
|
1312 |
|
|
1313 if (f) |
|
|
1314 retval = f (*tv1.rep, *tv2.rep); |
|
|
1315 else |
|
|
1316 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
1317 v1.type_name (), v2.type_name ()); |
|
|
1318 } |
|
|
1319 else |
|
|
1320 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
1321 v1.type_name (), v2.type_name ()); |
|
|
1322 } |
|
|
1323 |
|
|
1324 return retval; |
|
|
1325 } |
|
|
1326 |
|
3933
|
1327 void |
|
|
1328 octave_value::print_info (std::ostream& os, const std::string& prefix) const |
|
|
1329 { |
|
|
1330 os << prefix << "type_name: " << type_name () << "\n" |
|
|
1331 << prefix << "count: " << get_count () << "\n" |
|
|
1332 << prefix << "rep info: "; |
|
|
1333 |
|
|
1334 rep->print_info (os, prefix + " "); |
|
|
1335 } |
|
|
1336 |
|
3203
|
1337 static void |
|
3523
|
1338 gripe_unary_op (const std::string& on, const std::string& tn) |
|
3203
|
1339 { |
|
|
1340 error ("unary operator `%s' not implemented for `%s' operands", |
|
|
1341 on.c_str (), tn.c_str ()); |
|
|
1342 } |
|
|
1343 |
|
|
1344 static void |
|
3523
|
1345 gripe_unary_op_conv (const std::string& on) |
|
3203
|
1346 { |
|
|
1347 error ("type conversion failed for unary operator `%s'", on.c_str ()); |
|
|
1348 } |
|
|
1349 |
|
|
1350 octave_value |
|
|
1351 do_unary_op (octave_value::unary_op op, const octave_value& v) |
|
|
1352 { |
|
|
1353 octave_value retval; |
|
|
1354 |
|
|
1355 int t = v.type_id (); |
|
|
1356 |
|
|
1357 unary_op_fcn f = octave_value_typeinfo::lookup_unary_op (op, t); |
|
|
1358 |
|
|
1359 if (f) |
|
|
1360 retval = f (*v.rep); |
|
|
1361 else |
|
|
1362 { |
|
|
1363 octave_value tv; |
|
|
1364 type_conv_fcn cf = v.numeric_conversion_function (); |
|
|
1365 |
|
|
1366 if (cf) |
|
|
1367 { |
|
|
1368 octave_value *tmp = cf (*v.rep); |
|
|
1369 |
|
|
1370 if (tmp) |
|
|
1371 { |
|
|
1372 tv = octave_value (tmp); |
|
|
1373 t = tv.type_id (); |
|
|
1374 |
|
|
1375 unary_op_fcn f = octave_value_typeinfo::lookup_unary_op (op, t); |
|
|
1376 |
|
|
1377 if (f) |
|
|
1378 retval = f (*tv.rep); |
|
|
1379 else |
|
|
1380 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1381 v.type_name ()); |
|
|
1382 } |
|
|
1383 else |
|
|
1384 gripe_unary_op_conv (octave_value::unary_op_as_string (op)); |
|
|
1385 } |
|
|
1386 else |
|
|
1387 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1388 v.type_name ()); |
|
|
1389 } |
|
|
1390 |
|
|
1391 return retval; |
|
|
1392 } |
|
|
1393 |
|
|
1394 static void |
|
3933
|
1395 gripe_unary_op_conversion_failed (const std::string& op, |
|
|
1396 const std::string& tn) |
|
3203
|
1397 { |
|
|
1398 error ("operator %s: type conversion for `%s' failed", |
|
|
1399 op.c_str (), tn.c_str ()); |
|
|
1400 } |
|
|
1401 |
|
3933
|
1402 const octave_value& |
|
|
1403 octave_value::do_non_const_unary_op (unary_op op) |
|
3203
|
1404 { |
|
|
1405 octave_value retval; |
|
|
1406 |
|
|
1407 int t = type_id (); |
|
|
1408 |
|
|
1409 non_const_unary_op_fcn f |
|
|
1410 = octave_value_typeinfo::lookup_non_const_unary_op (op, t); |
|
|
1411 |
|
|
1412 if (f) |
|
|
1413 { |
|
|
1414 make_unique (); |
|
|
1415 |
|
|
1416 f (*rep); |
|
|
1417 } |
|
|
1418 else |
|
|
1419 { |
|
|
1420 type_conv_fcn cf = numeric_conversion_function (); |
|
|
1421 |
|
|
1422 if (cf) |
|
|
1423 { |
|
|
1424 octave_value *tmp = cf (*rep); |
|
|
1425 |
|
|
1426 if (tmp) |
|
|
1427 { |
|
|
1428 octave_value *old_rep = rep; |
|
|
1429 rep = tmp; |
|
|
1430 rep->count = 1; |
|
|
1431 |
|
|
1432 t = type_id (); |
|
|
1433 |
|
|
1434 f = octave_value_typeinfo::lookup_non_const_unary_op (op, t); |
|
|
1435 |
|
|
1436 if (f) |
|
|
1437 { |
|
|
1438 f (*rep); |
|
|
1439 |
|
|
1440 if (old_rep && --old_rep->count == 0) |
|
|
1441 delete old_rep; |
|
|
1442 } |
|
|
1443 else |
|
|
1444 { |
|
|
1445 if (old_rep) |
|
|
1446 { |
|
|
1447 if (--rep->count == 0) |
|
|
1448 delete rep; |
|
|
1449 |
|
|
1450 rep = old_rep; |
|
|
1451 } |
|
|
1452 |
|
|
1453 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1454 type_name ()); |
|
|
1455 } |
|
|
1456 } |
|
|
1457 else |
|
|
1458 gripe_unary_op_conversion_failed |
|
|
1459 (octave_value::unary_op_as_string (op), type_name ()); |
|
|
1460 } |
|
|
1461 else |
|
|
1462 gripe_unary_op (octave_value::unary_op_as_string (op), type_name ()); |
|
|
1463 } |
|
3933
|
1464 |
|
|
1465 return *this; |
|
3203
|
1466 } |
|
|
1467 |
|
3933
|
1468 #if 0 |
|
3205
|
1469 static void |
|
3933
|
1470 gripe_unary_op_failed_or_no_method (const std::string& on, |
|
|
1471 const std::string& tn) |
|
3205
|
1472 { |
|
|
1473 error ("operator %s: no method, or unable to evaluate for %s operand", |
|
|
1474 on.c_str (), tn.c_str ()); |
|
|
1475 } |
|
3933
|
1476 #endif |
|
3205
|
1477 |
|
|
1478 void |
|
3933
|
1479 octave_value::do_non_const_unary_op (unary_op op, const octave_value_list& idx) |
|
3205
|
1480 { |
|
3933
|
1481 abort (); |
|
|
1482 } |
|
|
1483 |
|
|
1484 octave_value |
|
4247
|
1485 octave_value::do_non_const_unary_op (unary_op op, const std::string& type, |
|
4219
|
1486 const std::list<octave_value_list>& idx) |
|
3933
|
1487 { |
|
|
1488 octave_value retval; |
|
|
1489 |
|
|
1490 if (idx.empty ()) |
|
|
1491 { |
|
|
1492 do_non_const_unary_op (op); |
|
3205
|
1493 |
|
3933
|
1494 retval = *this; |
|
|
1495 } |
|
|
1496 else |
|
|
1497 { |
|
|
1498 // XXX FIXME XXX -- only do the following stuff if we can't find a |
|
|
1499 // specific function to call to handle the op= operation for the |
|
|
1500 // types we have. |
|
3205
|
1501 |
|
3933
|
1502 assign_op assop = unary_op_to_assign_op (op); |
|
|
1503 |
|
|
1504 retval = assign (assop, type, idx, 1.0); |
|
|
1505 } |
|
|
1506 |
|
|
1507 return retval; |
|
3205
|
1508 } |
|
|
1509 |
|
2903
|
1510 // Current indentation. |
|
|
1511 int octave_value::curr_print_indent_level = 0; |
|
|
1512 |
|
3018
|
1513 // TRUE means we are at the beginning of a line. |
|
2903
|
1514 bool octave_value::beginning_of_line = true; |
|
|
1515 |
|
|
1516 // Each print() function should call this before printing anything. |
|
|
1517 // |
|
|
1518 // This doesn't need to be fast, but isn't there a better way? |
|
|
1519 |
|
|
1520 void |
|
3523
|
1521 octave_value::indent (std::ostream& os) const |
|
2903
|
1522 { |
|
|
1523 assert (curr_print_indent_level >= 0); |
|
|
1524 |
|
|
1525 if (beginning_of_line) |
|
|
1526 { |
|
|
1527 // XXX FIXME XXX -- do we need this? |
|
|
1528 // os << prefix; |
|
|
1529 |
|
|
1530 for (int i = 0; i < curr_print_indent_level; i++) |
|
|
1531 os << " "; |
|
|
1532 |
|
|
1533 beginning_of_line = false; |
|
|
1534 } |
|
|
1535 } |
|
|
1536 |
|
|
1537 // All print() functions should use this to print new lines. |
|
|
1538 |
|
|
1539 void |
|
3523
|
1540 octave_value::newline (std::ostream& os) const |
|
2903
|
1541 { |
|
|
1542 os << "\n"; |
|
|
1543 |
|
|
1544 beginning_of_line = true; |
|
|
1545 } |
|
|
1546 |
|
|
1547 // For ressetting print state. |
|
|
1548 |
|
|
1549 void |
|
|
1550 octave_value::reset (void) const |
|
|
1551 { |
|
|
1552 beginning_of_line = true; |
|
|
1553 curr_print_indent_level = 0; |
|
|
1554 } |
|
|
1555 |
|
3205
|
1556 octave_value::assign_op |
|
|
1557 octave_value::unary_op_to_assign_op (unary_op op) |
|
|
1558 { |
|
|
1559 assign_op binop = unknown_assign_op; |
|
|
1560 |
|
|
1561 switch (op) |
|
|
1562 { |
|
3533
|
1563 case op_incr: |
|
|
1564 binop = op_add_eq; |
|
3205
|
1565 break; |
|
|
1566 |
|
3533
|
1567 case op_decr: |
|
|
1568 binop = op_sub_eq; |
|
3205
|
1569 break; |
|
|
1570 |
|
|
1571 default: |
|
|
1572 { |
|
3523
|
1573 std::string on = unary_op_as_string (op); |
|
3205
|
1574 error ("operator %s: no assign operator found", on.c_str ()); |
|
|
1575 } |
|
|
1576 } |
|
|
1577 |
|
|
1578 return binop; |
|
|
1579 } |
|
|
1580 |
|
3204
|
1581 octave_value::binary_op |
|
|
1582 octave_value::op_eq_to_binary_op (assign_op op) |
|
|
1583 { |
|
|
1584 binary_op binop = unknown_binary_op; |
|
|
1585 |
|
|
1586 switch (op) |
|
|
1587 { |
|
3533
|
1588 case op_add_eq: |
|
|
1589 binop = op_add; |
|
3204
|
1590 break; |
|
|
1591 |
|
3533
|
1592 case op_sub_eq: |
|
|
1593 binop = op_sub; |
|
3204
|
1594 break; |
|
|
1595 |
|
3533
|
1596 case op_mul_eq: |
|
|
1597 binop = op_mul; |
|
3204
|
1598 break; |
|
|
1599 |
|
3533
|
1600 case op_div_eq: |
|
|
1601 binop = op_div; |
|
3204
|
1602 break; |
|
|
1603 |
|
3533
|
1604 case op_ldiv_eq: |
|
|
1605 binop = op_ldiv; |
|
3204
|
1606 break; |
|
|
1607 |
|
4018
|
1608 case op_pow_eq: |
|
|
1609 binop = op_pow; |
|
|
1610 break; |
|
|
1611 |
|
3533
|
1612 case op_lshift_eq: |
|
|
1613 binop = op_lshift; |
|
3204
|
1614 break; |
|
|
1615 |
|
3533
|
1616 case op_rshift_eq: |
|
|
1617 binop = op_rshift; |
|
3204
|
1618 break; |
|
|
1619 |
|
3533
|
1620 case op_el_mul_eq: |
|
|
1621 binop = op_el_mul; |
|
3204
|
1622 break; |
|
|
1623 |
|
3533
|
1624 case op_el_div_eq: |
|
|
1625 binop = op_el_div; |
|
3204
|
1626 break; |
|
|
1627 |
|
3533
|
1628 case op_el_ldiv_eq: |
|
|
1629 binop = op_el_ldiv; |
|
3204
|
1630 break; |
|
|
1631 |
|
4018
|
1632 case op_el_pow_eq: |
|
|
1633 binop = op_el_pow; |
|
|
1634 break; |
|
|
1635 |
|
3533
|
1636 case op_el_and_eq: |
|
|
1637 binop = op_el_and; |
|
3204
|
1638 break; |
|
|
1639 |
|
3533
|
1640 case op_el_or_eq: |
|
|
1641 binop = op_el_or; |
|
3204
|
1642 break; |
|
|
1643 |
|
|
1644 default: |
|
|
1645 { |
|
3523
|
1646 std::string on = assign_op_as_string (op); |
|
3204
|
1647 error ("operator %s: no binary operator found", on.c_str ()); |
|
|
1648 } |
|
|
1649 } |
|
|
1650 |
|
|
1651 return binop; |
|
|
1652 } |
|
|
1653 |
|
3933
|
1654 octave_value |
|
|
1655 octave_value::empty_conv (const std::string& type, const octave_value& rhs) |
|
|
1656 { |
|
|
1657 octave_value retval; |
|
|
1658 |
|
|
1659 if (type.length () > 0) |
|
|
1660 { |
|
|
1661 switch (type[0]) |
|
|
1662 { |
|
|
1663 case '(': |
|
|
1664 { |
|
|
1665 if (type.length () > 1 && type[1] == '.') |
|
|
1666 retval = Octave_map (); |
|
|
1667 else |
|
|
1668 retval = octave_value (rhs.empty_clone ()); |
|
|
1669 } |
|
|
1670 break; |
|
|
1671 |
|
|
1672 case '{': |
|
|
1673 retval = Cell (); |
|
|
1674 break; |
|
|
1675 |
|
|
1676 case '.': |
|
|
1677 retval = Octave_map (); |
|
|
1678 break; |
|
|
1679 |
|
|
1680 default: |
|
|
1681 panic_impossible (); |
|
|
1682 } |
|
|
1683 } |
|
|
1684 else |
|
|
1685 retval = octave_value (rhs.empty_clone ()); |
|
|
1686 |
|
|
1687 return retval; |
|
|
1688 } |
|
|
1689 |
|
2376
|
1690 void |
|
|
1691 install_types (void) |
|
|
1692 { |
|
|
1693 octave_base_value::register_type (); |
|
3928
|
1694 octave_cell::register_type (); |
|
2376
|
1695 octave_scalar::register_type (); |
|
|
1696 octave_complex::register_type (); |
|
|
1697 octave_matrix::register_type (); |
|
|
1698 octave_complex_matrix::register_type (); |
|
|
1699 octave_range::register_type (); |
|
2825
|
1700 octave_bool::register_type (); |
|
|
1701 octave_bool_matrix::register_type (); |
|
2376
|
1702 octave_char_matrix::register_type (); |
|
|
1703 octave_char_matrix_str::register_type (); |
|
|
1704 octave_struct::register_type (); |
|
2903
|
1705 octave_file::register_type (); |
|
2880
|
1706 octave_list::register_type (); |
|
3977
|
1707 octave_cs_list::register_type (); |
|
2376
|
1708 octave_all_va_args::register_type (); |
|
|
1709 octave_magic_colon::register_type (); |
|
2974
|
1710 octave_builtin::register_type (); |
|
|
1711 octave_mapper::register_type (); |
|
|
1712 octave_user_function::register_type (); |
|
2376
|
1713 } |
|
|
1714 |
|
|
1715 static int |
|
|
1716 do_fortran_indexing (void) |
|
|
1717 { |
|
|
1718 Vdo_fortran_indexing = check_preference ("do_fortran_indexing"); |
|
|
1719 |
|
|
1720 liboctave_dfi_flag = Vdo_fortran_indexing; |
|
|
1721 |
|
|
1722 return 0; |
|
|
1723 } |
|
|
1724 |
|
|
1725 static int |
|
|
1726 implicit_str_to_num_ok (void) |
|
|
1727 { |
|
|
1728 Vimplicit_str_to_num_ok = check_preference ("implicit_str_to_num_ok"); |
|
|
1729 |
|
|
1730 return 0; |
|
|
1731 } |
|
|
1732 |
|
|
1733 static int |
|
|
1734 ok_to_lose_imaginary_part (void) |
|
|
1735 { |
|
|
1736 Vok_to_lose_imaginary_part = check_preference ("ok_to_lose_imaginary_part"); |
|
|
1737 |
|
|
1738 return 0; |
|
|
1739 } |
|
|
1740 |
|
|
1741 static int |
|
|
1742 prefer_column_vectors (void) |
|
|
1743 { |
|
|
1744 Vprefer_column_vectors |
|
|
1745 = check_preference ("prefer_column_vectors"); |
|
|
1746 |
|
|
1747 liboctave_pcv_flag = Vprefer_column_vectors; |
|
|
1748 |
|
|
1749 return 0; |
|
|
1750 } |
|
|
1751 |
|
|
1752 static int |
|
|
1753 print_answer_id_name (void) |
|
|
1754 { |
|
|
1755 Vprint_answer_id_name = check_preference ("print_answer_id_name"); |
|
|
1756 |
|
|
1757 return 0; |
|
|
1758 } |
|
|
1759 |
|
|
1760 static int |
|
|
1761 propagate_empty_matrices (void) |
|
|
1762 { |
|
|
1763 Vpropagate_empty_matrices = check_preference ("propagate_empty_matrices"); |
|
|
1764 |
|
|
1765 return 0; |
|
|
1766 } |
|
|
1767 |
|
|
1768 static int |
|
|
1769 resize_on_range_error (void) |
|
|
1770 { |
|
|
1771 Vresize_on_range_error = check_preference ("resize_on_range_error"); |
|
|
1772 |
|
|
1773 liboctave_rre_flag = Vresize_on_range_error; |
|
|
1774 |
|
|
1775 return 0; |
|
|
1776 } |
|
|
1777 |
|
|
1778 static int |
|
4005
|
1779 silent_functions (void) |
|
|
1780 { |
|
|
1781 Vsilent_functions = check_preference ("silent_functions"); |
|
|
1782 |
|
|
1783 return 0; |
|
|
1784 } |
|
|
1785 |
|
|
1786 static int |
|
2376
|
1787 struct_levels_to_print (void) |
|
|
1788 { |
|
|
1789 double val; |
|
|
1790 if (builtin_real_scalar_variable ("struct_levels_to_print", val) |
|
|
1791 && ! xisnan (val)) |
|
|
1792 { |
|
|
1793 int ival = NINT (val); |
|
3961
|
1794 if (ival == val) |
|
2376
|
1795 { |
|
|
1796 Vstruct_levels_to_print = ival; |
|
|
1797 return 0; |
|
|
1798 } |
|
|
1799 } |
|
|
1800 gripe_invalid_value_specified ("struct_levels_to_print"); |
|
|
1801 return -1; |
|
|
1802 } |
|
|
1803 |
|
|
1804 static int |
|
|
1805 warn_divide_by_zero (void) |
|
|
1806 { |
|
|
1807 Vwarn_divide_by_zero = check_preference ("warn_divide_by_zero"); |
|
|
1808 |
|
|
1809 return 0; |
|
|
1810 } |
|
|
1811 |
|
|
1812 void |
|
2909
|
1813 symbols_of_ov (void) |
|
2376
|
1814 { |
|
4233
|
1815 DEFVAR (do_fortran_indexing, false, do_fortran_indexing, |
|
3371
|
1816 "-*- texinfo -*-\n\ |
|
|
1817 @defvr {Built-in Variable} do_fortran_indexing\n\ |
|
|
1818 If the value of @code{do_fortran_indexing} is nonzero, Octave allows \n\ |
|
|
1819 you to select elements of a two-dimensional matrix using a single index\n\ |
|
|
1820 by treating the matrix as a single vector created from the columns of\n\ |
|
|
1821 the matrix. The default value is 0. \n\ |
|
|
1822 @end defvr"); |
|
2376
|
1823 |
|
4233
|
1824 DEFVAR (implicit_str_to_num_ok, false, implicit_str_to_num_ok, |
|
3361
|
1825 "-*- texinfo -*-\n\ |
|
|
1826 @defvr {Built-in Variable} implicit_str_to_num_ok\n\ |
|
|
1827 If the value of @code{implicit_str_to_num_ok} is nonzero, implicit\n\ |
|
|
1828 conversions of strings to their numeric ASCII equivalents are allowed.\n\ |
|
|
1829 Otherwise, an error message is printed and control is returned to the\n\ |
|
|
1830 top level. The default value is 0.\n\ |
|
3363
|
1831 @end defvr"); |
|
2376
|
1832 |
|
3258
|
1833 DEFVAR (ok_to_lose_imaginary_part, "warn", ok_to_lose_imaginary_part, |
|
3370
|
1834 "-*- texinfo -*-\n\ |
|
|
1835 @defvr {Built-in Variable} ok_to_lose_imaginary_part\n\ |
|
|
1836 If the value of @code{ok_to_lose_imaginary_part} is nonzero, implicit\n\ |
|
|
1837 conversions of complex numbers to real numbers are allowed (for example,\n\ |
|
|
1838 by fsolve). If the value is @code{\"warn\"}, the conversion is allowed,\n\ |
|
|
1839 but a warning is printed. Otherwise, an error message is printed and\n\ |
|
|
1840 control is returned to the top level. The default value is\n\ |
|
|
1841 @code{\"warn\"}.\n\ |
|
|
1842 @end defvr"); |
|
2376
|
1843 |
|
4233
|
1844 DEFVAR (prefer_column_vectors, true, prefer_column_vectors, |
|
3371
|
1845 "-*- texinfo -*-\n\ |
|
|
1846 @defvr {Built-in Variable} prefer_column_vectors\n\ |
|
|
1847 If @code{prefer_column_vectors} is nonzero, operations like\n\ |
|
|
1848 \n\ |
|
|
1849 @example\n\ |
|
|
1850 for i = 1:10\n\ |
|
|
1851 a (i) = i;\n\ |
|
|
1852 endfor\n\ |
|
|
1853 @end example\n\ |
|
|
1854 \n\ |
|
|
1855 @noindent\n\ |
|
|
1856 (for @code{a} previously undefined) produce column vectors. Otherwise, row\n\ |
|
|
1857 vectors are preferred. The default value is 1.\n\ |
|
|
1858 \n\ |
|
|
1859 If a variable is already defined to be a vector (a matrix with a single\n\ |
|
|
1860 row or column), the original orientation is respected, regardless of the\n\ |
|
|
1861 value of @code{prefer_column_vectors}.\n\ |
|
|
1862 @end defvr"); |
|
2376
|
1863 |
|
4233
|
1864 DEFVAR (print_answer_id_name, true, print_answer_id_name, |
|
3372
|
1865 "-*- texinfo -*-\n\ |
|
|
1866 @defvr {Built-in Variable} print_answer_id_name\n\ |
|
|
1867 If the value of @code{print_answer_id_name} is nonzero, variable\n\ |
|
|
1868 names are printed along with the result. Otherwise, only the result\n\ |
|
|
1869 values are printed. The default value is 1.\n\ |
|
|
1870 @end defvr"); |
|
2376
|
1871 |
|
4233
|
1872 DEFVAR (propagate_empty_matrices, true, propagate_empty_matrices, |
|
3321
|
1873 "-*- texinfo -*-\n\ |
|
|
1874 @defvr {Built-in Variable} propagate_empty_matrices\n\ |
|
|
1875 If the value of @code{propagate_empty_matrices} is nonzero,\n\ |
|
|
1876 functions like @code{inverse} and @code{svd} will return an empty matrix\n\ |
|
|
1877 if they are given one as an argument. The default value is 1.\n\ |
|
3333
|
1878 @end defvr"); |
|
2376
|
1879 |
|
4233
|
1880 DEFVAR (resize_on_range_error, true, resize_on_range_error, |
|
3371
|
1881 "-*- texinfo -*-\n\ |
|
|
1882 @defvr {Built-in Variable} resize_on_range_error\n\ |
|
|
1883 If the value of @code{resize_on_range_error} is nonzero, expressions\n\ |
|
|
1884 like\n\ |
|
|
1885 \n\ |
|
|
1886 @example\n\ |
|
|
1887 for i = 1:10\n\ |
|
|
1888 a (i) = sqrt (i);\n\ |
|
|
1889 endfor\n\ |
|
|
1890 @end example\n\ |
|
|
1891 \n\ |
|
|
1892 @noindent\n\ |
|
|
1893 (for @code{a} previously undefined) result in the variable @code{a}\n\ |
|
|
1894 being resized to be just large enough to hold the new value. New\n\ |
|
|
1895 elements that have not been given a value are set to zero. If the value\n\ |
|
|
1896 of @code{resize_on_range_error} is 0, an error message is printed and\n\ |
|
|
1897 control is returned to the top level. The default value is 1.\n\ |
|
|
1898 @end defvr"); |
|
2376
|
1899 |
|
4233
|
1900 DEFVAR (silent_functions, false, silent_functions, |
|
4005
|
1901 "-*- texinfo -*-\n\ |
|
|
1902 @defvr {Built-in Variable} silent_functions\n\ |
|
|
1903 If the value of @code{silent_functions} is nonzero, internal output\n\ |
|
|
1904 from a function is suppressed. Otherwise, the results of expressions\n\ |
|
|
1905 within a function body that are not terminated with a semicolon will\n\ |
|
|
1906 have their values printed. The default value is 0.\n\ |
|
|
1907 \n\ |
|
|
1908 For example, if the function\n\ |
|
|
1909 \n\ |
|
|
1910 @example\n\ |
|
|
1911 function f ()\n\ |
|
|
1912 2 + 2\n\ |
|
|
1913 endfunction\n\ |
|
|
1914 @end example\n\ |
|
|
1915 \n\ |
|
|
1916 @noindent\n\ |
|
|
1917 is executed, Octave will either print @samp{ans = 4} or nothing\n\ |
|
|
1918 depending on the value of @code{silent_functions}.\n\ |
|
|
1919 @end defvr"); |
|
|
1920 |
|
3258
|
1921 DEFVAR (struct_levels_to_print, 2.0, struct_levels_to_print, |
|
3361
|
1922 "-*- texinfo -*-\n\ |
|
|
1923 @defvr {Built-in Variable} struct_levels_to_print\n\ |
|
|
1924 You can tell Octave how many structure levels to display by setting the\n\ |
|
|
1925 built-in variable @code{struct_levels_to_print}. The default value is 2.\n\ |
|
3363
|
1926 @end defvr"); |
|
2376
|
1927 |
|
4233
|
1928 DEFVAR (warn_divide_by_zero, true, warn_divide_by_zero, |
|
3371
|
1929 "-*- texinfo -*-\n\ |
|
|
1930 @defvr {Built-in Variable} warn_divide_by_zero\n\ |
|
|
1931 If the value of @code{warn_divide_by_zero} is nonzero, a warning\n\ |
|
|
1932 is issued when Octave encounters a division by zero. If the value is\n\ |
|
|
1933 0, the warning is omitted. The default value is 1.\n\ |
|
|
1934 @end defvr"); |
|
2376
|
1935 } |
|
|
1936 |
|
|
1937 /* |
|
|
1938 ;;; Local Variables: *** |
|
|
1939 ;;; mode: C++ *** |
|
|
1940 ;;; End: *** |
|
|
1941 */ |
