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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-cs-list.h" |
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51 #include "ov-colon.h" |
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52 #include "ov-va-args.h" |
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53 #include "ov-builtin.h" |
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54 #include "ov-mapper.h" |
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55 #include "ov-usr-fcn.h" |
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56 #include "ov-typeinfo.h" |
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57 |
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58 #include "defun.h" |
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59 #include "error.h" |
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60 #include "gripes.h" |
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61 #include "pager.h" |
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62 #include "parse.h" |
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63 #include "pr-output.h" |
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64 #include "utils.h" |
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65 #include "variables.h" |
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66 |
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67 // We are likely to have a lot of octave_value objects to allocate, so |
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68 // make the grow_size large. |
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69 DEFINE_OCTAVE_ALLOCATOR2(octave_value, 1024); |
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70 |
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71 // If TRUE, turn off printing of results in functions (as if a |
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72 // semicolon has been appended to each statement). |
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73 static bool Vsilent_functions; |
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74 |
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75 // If TRUE, allow assignments like |
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76 // |
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77 // octave> A(1) = 3; A(2) = 5 |
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78 // |
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79 // for A already defined and a matrix type. |
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80 bool Vdo_fortran_indexing; |
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81 |
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82 // Should we allow things like: |
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83 // |
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84 // octave> 'abc' + 0 |
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85 // 97 98 99 |
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86 // |
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87 // to happen? A positive value means yes. A negative value means |
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88 // yes, but print a warning message. Zero means it should be |
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89 // considered an error. |
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90 int Vimplicit_str_to_num_ok; |
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91 |
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92 // Should we allow silent conversion of complex to real when a real |
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93 // type is what we're really looking for? A positive value means yes. |
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94 // A negative value means yes, but print a warning message. Zero |
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95 // means it should be considered an error. |
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96 int Vok_to_lose_imaginary_part; |
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97 |
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98 // If TRUE, create column vectors when doing assignments like: |
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99 // |
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100 // octave> A(1) = 3; A(2) = 5 |
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101 // |
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102 // (for A undefined). Only matters when resize_on_range_error is also |
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103 // TRUE. |
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104 static bool Vprefer_column_vectors; |
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105 |
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106 // If TRUE, print the name along with the value. |
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107 bool Vprint_answer_id_name; |
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108 |
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109 // Should operations on empty matrices return empty matrices or an |
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110 // error? A positive value means yes. A negative value means yes, |
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111 // but print a warning message. Zero means it should be considered an |
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112 // error. |
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113 int Vpropagate_empty_matrices; |
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114 |
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115 // How many levels of structure elements should we print? |
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116 int Vstruct_levels_to_print; |
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117 |
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118 // Allow divide by zero errors to be suppressed. |
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119 bool Vwarn_divide_by_zero; |
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120 |
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121 // If TRUE, resize matrices when performing and indexed assignment and |
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122 // the indices are outside the current bounds. |
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123 bool Vresize_on_range_error; |
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124 |
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125 // XXX FIXME XXX |
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126 |
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127 // Octave's value type. |
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128 |
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129 std::string |
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130 octave_value::unary_op_as_string (unary_op op) |
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131 { |
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132 std::string retval; |
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133 |
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134 switch (op) |
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135 { |
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136 case op_not: |
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137 retval = "!"; |
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138 break; |
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139 |
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140 case op_uminus: |
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141 retval = "-"; |
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142 break; |
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143 |
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144 case op_transpose: |
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145 retval = ".'"; |
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146 break; |
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147 |
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148 case op_hermitian: |
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149 retval = "'"; |
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150 break; |
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151 |
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152 case op_incr: |
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153 retval = "++"; |
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154 break; |
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155 |
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156 case op_decr: |
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157 retval = "--"; |
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158 break; |
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159 |
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160 default: |
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161 retval = "<unknown>"; |
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162 } |
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163 |
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164 return retval; |
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165 } |
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166 |
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167 std::string |
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168 octave_value::binary_op_as_string (binary_op op) |
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169 { |
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170 std::string retval; |
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171 |
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172 switch (op) |
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173 { |
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174 case op_add: |
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175 retval = "+"; |
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176 break; |
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177 |
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178 case op_sub: |
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179 retval = "-"; |
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180 break; |
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181 |
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182 case op_mul: |
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183 retval = "*"; |
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184 break; |
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185 |
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186 case op_div: |
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187 retval = "/"; |
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188 break; |
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189 |
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190 case op_pow: |
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191 retval = "^"; |
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192 break; |
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193 |
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194 case op_ldiv: |
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195 retval = "\\"; |
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196 break; |
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197 |
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198 case op_lshift: |
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199 retval = "<<"; |
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200 break; |
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201 |
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202 case op_rshift: |
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203 retval = ">>"; |
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204 break; |
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205 |
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206 case op_lt: |
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207 retval = "<"; |
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208 break; |
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209 |
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210 case op_le: |
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211 retval = "<="; |
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212 break; |
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213 |
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214 case op_eq: |
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215 retval = "=="; |
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216 break; |
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217 |
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218 case op_ge: |
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219 retval = ">="; |
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220 break; |
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221 |
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222 case op_gt: |
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223 retval = ">"; |
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224 break; |
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225 |
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226 case op_ne: |
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227 retval = "!="; |
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228 break; |
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229 |
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230 case op_el_mul: |
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231 retval = ".*"; |
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232 break; |
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233 |
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234 case op_el_div: |
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235 retval = "./"; |
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236 break; |
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237 |
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238 case op_el_pow: |
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239 retval = ".^"; |
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240 break; |
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241 |
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242 case op_el_ldiv: |
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243 retval = ".\\"; |
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244 break; |
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245 |
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246 case op_el_and: |
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247 retval = "&"; |
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248 break; |
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249 |
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250 case op_el_or: |
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251 retval = "|"; |
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252 break; |
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253 |
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254 case op_struct_ref: |
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255 retval = "."; |
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256 break; |
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257 |
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258 default: |
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259 retval = "<unknown>"; |
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260 } |
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261 |
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262 return retval; |
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263 } |
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264 |
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265 std::string |
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266 octave_value::assign_op_as_string (assign_op op) |
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267 { |
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268 std::string retval; |
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269 |
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270 switch (op) |
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271 { |
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272 case op_asn_eq: |
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273 retval = "="; |
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274 break; |
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275 |
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276 case op_add_eq: |
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277 retval = "+="; |
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278 break; |
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279 |
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280 case op_sub_eq: |
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281 retval = "-="; |
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282 break; |
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283 |
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284 case op_mul_eq: |
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285 retval = "*="; |
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286 break; |
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287 |
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288 case op_div_eq: |
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289 retval = "/="; |
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290 break; |
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291 |
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292 case op_ldiv_eq: |
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293 retval = "\\="; |
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294 break; |
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295 |
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296 case op_pow_eq: |
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297 retval = "^="; |
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298 break; |
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299 |
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300 case op_lshift_eq: |
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301 retval = "<<="; |
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302 break; |
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303 |
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304 case op_rshift_eq: |
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305 retval = ">>="; |
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306 break; |
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307 |
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308 case op_el_mul_eq: |
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309 retval = ".*="; |
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310 break; |
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311 |
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312 case op_el_div_eq: |
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313 retval = "./="; |
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314 break; |
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315 |
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316 case op_el_ldiv_eq: |
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317 retval = ".\\="; |
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318 break; |
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319 |
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320 case op_el_pow_eq: |
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321 retval = ".^="; |
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322 break; |
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323 |
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324 case op_el_and_eq: |
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325 retval = "&="; |
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326 break; |
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327 |
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328 case op_el_or_eq: |
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329 retval = "|="; |
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330 break; |
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331 |
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332 default: |
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333 retval = "<unknown>"; |
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334 } |
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335 |
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336 return retval; |
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337 } |
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338 |
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339 octave_value::octave_value (void) |
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340 : rep (new octave_base_value ()) |
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341 { |
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342 rep->count = 1; |
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343 } |
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344 |
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345 octave_value::octave_value (double d) |
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346 : rep (new octave_scalar (d)) |
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347 { |
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348 rep->count = 1; |
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349 } |
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350 |
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351 octave_value::octave_value (const Cell& c) |
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352 : rep (new octave_cell (c)) |
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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 Matrix& m) |
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359 : rep (new octave_matrix (m)) |
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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 DiagMatrix& d) |
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366 : rep (new octave_matrix (d)) |
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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 RowVector& v) |
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373 : rep (new octave_matrix (v)) |
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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 ColumnVector& v) |
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380 : rep (new octave_matrix (v)) |
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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 Complex& C) |
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387 : rep (new octave_complex (C)) |
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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 ComplexMatrix& m) |
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394 : rep (new octave_complex_matrix (m)) |
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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 ComplexDiagMatrix& d) |
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401 : rep (new octave_complex_matrix (d)) |
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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 (const ComplexRowVector& v) |
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408 : rep (new octave_complex_matrix (v)) |
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409 { |
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410 rep->count = 1; |
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411 maybe_mutate (); |
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412 } |
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413 |
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414 octave_value::octave_value (const ComplexColumnVector& v) |
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415 : rep (new octave_complex_matrix (v)) |
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416 { |
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417 rep->count = 1; |
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418 maybe_mutate (); |
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419 } |
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420 |
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421 octave_value::octave_value (bool b) |
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422 : rep (new octave_bool (b)) |
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423 { |
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424 rep->count = 1; |
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425 } |
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426 |
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427 octave_value::octave_value (const boolMatrix& bm) |
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428 : rep (new octave_bool_matrix (bm)) |
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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 (char c) |
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435 : rep (new octave_char_matrix_str (c)) |
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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 char *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 std::string& s) |
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449 : rep (new octave_char_matrix_str (s)) |
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450 { |
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451 rep->count = 1; |
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452 maybe_mutate (); |
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453 } |
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454 |
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455 octave_value::octave_value (const string_vector& s) |
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456 : rep (new octave_char_matrix_str (s)) |
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457 { |
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458 rep->count = 1; |
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459 maybe_mutate (); |
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460 } |
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461 |
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462 octave_value::octave_value (const charMatrix& chm, bool is_string) |
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463 : rep (0) |
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464 { |
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465 if (is_string) |
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466 rep = new octave_char_matrix_str (chm); |
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467 else |
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468 rep = new octave_char_matrix (chm); |
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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 (double base, double limit, double inc) |
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475 : rep (new octave_range (base, limit, inc)) |
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476 { |
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477 rep->count = 1; |
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478 maybe_mutate (); |
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479 } |
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480 |
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481 octave_value::octave_value (const Range& r) |
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2423
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482 : rep (new octave_range (r)) |
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483 { |
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484 rep->count = 1; |
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485 maybe_mutate (); |
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486 } |
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2376
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487 |
|
|
488 octave_value::octave_value (const Octave_map& m) |
|
2825
|
489 : rep (new octave_struct (m)) |
|
|
490 { |
|
|
491 rep->count = 1; |
|
2880
|
492 } |
|
|
493 |
|
3340
|
494 octave_value::octave_value (const octave_stream& s, int n) |
|
2903
|
495 : rep (new octave_file (s, n)) |
|
|
496 { |
|
|
497 rep->count = 1; |
|
|
498 } |
|
|
499 |
|
2974
|
500 octave_value::octave_value (octave_function *f) |
|
|
501 : rep (f) |
|
|
502 { |
|
|
503 rep->count = 1; |
|
|
504 } |
|
|
505 |
|
3977
|
506 octave_value::octave_value (const octave_value_list& l, bool is_cs_list) |
|
|
507 : rep (0) |
|
2880
|
508 { |
|
3977
|
509 if (is_cs_list) |
|
|
510 rep = new octave_cs_list (l); |
|
|
511 else |
|
|
512 new octave_list (l); |
|
|
513 |
|
2880
|
514 rep->count = 1; |
|
|
515 } |
|
2376
|
516 |
|
|
517 octave_value::octave_value (octave_value::magic_colon) |
|
2825
|
518 : rep (new octave_magic_colon ()) |
|
|
519 { |
|
|
520 rep->count = 1; |
|
|
521 } |
|
2376
|
522 |
|
|
523 octave_value::octave_value (octave_value::all_va_args) |
|
2825
|
524 : rep (new octave_all_va_args ()) |
|
|
525 { |
|
|
526 rep->count = 1; |
|
|
527 } |
|
2376
|
528 |
|
3933
|
529 octave_value::octave_value (octave_value *new_rep, int count) |
|
2825
|
530 : rep (new_rep) |
|
|
531 { |
|
3933
|
532 rep->count = count; |
|
2825
|
533 } |
|
2376
|
534 |
|
|
535 octave_value::~octave_value (void) |
|
|
536 { |
|
|
537 #if defined (MDEBUG) |
|
3531
|
538 std::cerr << "~octave_value: rep: " << rep |
|
|
539 << " rep->count: " << rep->count << "\n"; |
|
2376
|
540 #endif |
|
|
541 |
|
|
542 if (rep && --rep->count == 0) |
|
|
543 { |
|
|
544 delete rep; |
|
|
545 rep = 0; |
|
|
546 } |
|
|
547 } |
|
|
548 |
|
2880
|
549 octave_value * |
|
3933
|
550 octave_value::clone (void) const |
|
2880
|
551 { |
|
|
552 panic_impossible (); |
|
3546
|
553 return 0; |
|
2880
|
554 } |
|
|
555 |
|
2409
|
556 void |
|
|
557 octave_value::maybe_mutate (void) |
|
|
558 { |
|
2410
|
559 octave_value *tmp = rep->try_narrowing_conversion (); |
|
2409
|
560 |
|
|
561 if (tmp && tmp != rep) |
|
|
562 { |
|
|
563 if (--rep->count == 0) |
|
|
564 delete rep; |
|
|
565 |
|
|
566 rep = tmp; |
|
|
567 rep->count = 1; |
|
|
568 } |
|
|
569 } |
|
|
570 |
|
2974
|
571 octave_value_list |
|
3933
|
572 octave_value::subsref (const std::string type, |
|
|
573 const SLList<octave_value_list>& idx, int nargout) |
|
|
574 { |
|
|
575 if (is_constant ()) |
|
|
576 return rep->subsref (type, idx); |
|
|
577 else |
|
|
578 return rep->subsref (type, idx, nargout); |
|
|
579 } |
|
|
580 |
|
|
581 octave_value |
|
|
582 octave_value::next_subsref (const std::string type, |
|
|
583 const SLList<octave_value_list>& idx, |
|
|
584 int skip) |
|
|
585 { |
|
|
586 assert (skip > 0); |
|
|
587 |
|
|
588 if (idx.length () > skip) |
|
|
589 { |
|
|
590 SLList<octave_value_list> new_idx (idx); |
|
|
591 for (int i = 0; i < skip; i++) |
|
|
592 new_idx.remove_front (); |
|
|
593 return subsref (type.substr (skip), new_idx); |
|
|
594 } |
|
|
595 else |
|
|
596 return *this; |
|
|
597 } |
|
|
598 |
|
|
599 octave_value_list |
|
3544
|
600 octave_value::do_multi_index_op (int nargout, const octave_value_list& idx) |
|
2974
|
601 { |
|
3544
|
602 return rep->do_multi_index_op (nargout, idx); |
|
2974
|
603 } |
|
|
604 |
|
2376
|
605 static void |
|
3933
|
606 gripe_no_conversion (const std::string& on, const std::string& tn1, |
|
|
607 const std::string& tn2) |
|
2376
|
608 { |
|
3203
|
609 error ("operator %s: no conversion for assignment of `%s' to indexed `%s'", |
|
|
610 on.c_str (), tn2.c_str (), tn1.c_str ()); |
|
2376
|
611 } |
|
|
612 |
|
3933
|
613 #if 0 |
|
3204
|
614 static void |
|
3933
|
615 gripe_assign_failed (const std::string& on, const std::string& tn1, |
|
|
616 const std::string& tn2) |
|
3204
|
617 { |
|
|
618 error ("assignment failed for `%s %s %s'", |
|
|
619 tn1.c_str (), on.c_str (), tn2.c_str ()); |
|
|
620 } |
|
3933
|
621 #endif |
|
3204
|
622 |
|
|
623 static void |
|
3933
|
624 gripe_assign_failed_or_no_method (const std::string& on, |
|
|
625 const std::string& tn1, |
|
3523
|
626 const std::string& tn2) |
|
3204
|
627 { |
|
|
628 error ("assignment failed, or no method for `%s %s %s'", |
|
|
629 tn1.c_str (), on.c_str (), tn2.c_str ()); |
|
|
630 } |
|
|
631 |
|
3933
|
632 octave_value |
|
|
633 octave_value::subsasgn (const std::string type, |
|
|
634 const SLList<octave_value_list>& idx, |
|
|
635 const octave_value& rhs) |
|
|
636 { |
|
|
637 return rep->subsasgn (type, idx, rhs); |
|
|
638 } |
|
|
639 |
|
|
640 octave_value |
|
|
641 octave_value::assign (assign_op op, const std::string type, |
|
|
642 const SLList<octave_value_list>& idx, |
|
|
643 const octave_value& rhs) |
|
|
644 { |
|
|
645 octave_value retval; |
|
|
646 |
|
|
647 make_unique (); |
|
|
648 |
|
|
649 octave_value t_rhs = rhs; |
|
|
650 |
|
|
651 if (op != op_asn_eq) |
|
|
652 { |
|
|
653 // XXX FIXME XXX -- only do the following stuff if we can't find |
|
|
654 // a specific function to call to handle the op= operation for |
|
|
655 // the types we have. |
|
|
656 |
|
|
657 octave_value t = subsref (type, idx); |
|
|
658 |
|
|
659 if (! error_state) |
|
|
660 { |
|
|
661 binary_op binop = op_eq_to_binary_op (op); |
|
|
662 |
|
|
663 if (! error_state) |
|
|
664 t_rhs = do_binary_op (binop, t, rhs); |
|
|
665 } |
|
|
666 } |
|
|
667 |
|
|
668 if (! error_state) |
|
|
669 { |
|
|
670 if (type[0] == '.' && ! is_map ()) |
|
|
671 { |
|
|
672 octave_value tmp = Octave_map (); |
|
|
673 retval = tmp.subsasgn (type, idx, t_rhs); |
|
|
674 } |
|
|
675 else |
|
|
676 retval = subsasgn (type, idx, t_rhs); |
|
|
677 } |
|
|
678 |
|
|
679 if (error_state) |
|
|
680 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
681 type_name (), rhs.type_name ()); |
|
|
682 |
|
|
683 return retval; |
|
|
684 } |
|
|
685 |
|
|
686 const octave_value& |
|
3203
|
687 octave_value::assign (assign_op op, const octave_value& rhs) |
|
2880
|
688 { |
|
3533
|
689 if (op == op_asn_eq) |
|
3203
|
690 operator = (rhs); |
|
|
691 else |
|
|
692 { |
|
3204
|
693 // XXX FIXME XXX -- only do the following stuff if we can't find |
|
|
694 // a specific function to call to handle the op= operation for |
|
|
695 // the types we have. |
|
|
696 |
|
|
697 binary_op binop = op_eq_to_binary_op (op); |
|
|
698 |
|
|
699 if (! error_state) |
|
|
700 { |
|
|
701 octave_value t = do_binary_op (binop, *this, rhs); |
|
|
702 |
|
|
703 if (! error_state) |
|
|
704 operator = (t); |
|
|
705 } |
|
|
706 |
|
|
707 if (error_state) |
|
|
708 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
709 type_name (), rhs.type_name ()); |
|
|
710 } |
|
|
711 |
|
3933
|
712 return *this; |
|
2376
|
713 } |
|
|
714 |
|
3351
|
715 Cell |
|
|
716 octave_value::cell_value (void) const |
|
|
717 { |
|
|
718 return rep->cell_value (); |
|
|
719 } |
|
|
720 |
|
2376
|
721 Octave_map |
|
|
722 octave_value::map_value (void) const |
|
|
723 { |
|
|
724 return rep->map_value (); |
|
|
725 } |
|
|
726 |
|
3340
|
727 octave_stream |
|
2903
|
728 octave_value::stream_value (void) const |
|
|
729 { |
|
|
730 return rep->stream_value (); |
|
|
731 } |
|
|
732 |
|
|
733 int |
|
|
734 octave_value::stream_number (void) const |
|
|
735 { |
|
|
736 return rep->stream_number (); |
|
|
737 } |
|
|
738 |
|
2974
|
739 octave_function * |
|
|
740 octave_value::function_value (bool silent) |
|
|
741 { |
|
|
742 return rep->function_value (silent); |
|
|
743 } |
|
|
744 |
|
2880
|
745 octave_value_list |
|
|
746 octave_value::list_value (void) const |
|
|
747 { |
|
|
748 return rep->list_value (); |
|
|
749 } |
|
|
750 |
|
2376
|
751 ColumnVector |
|
3419
|
752 octave_value::column_vector_value (bool force_string_conv, |
|
|
753 bool force_vector_conversion) const |
|
|
754 { |
|
|
755 ColumnVector retval; |
|
|
756 |
|
|
757 Matrix m = matrix_value (force_string_conv); |
|
|
758 |
|
|
759 if (error_state) |
|
|
760 return retval; |
|
|
761 |
|
|
762 int nr = m.rows (); |
|
|
763 int nc = m.columns (); |
|
|
764 |
|
|
765 if (nc == 1) |
|
|
766 { |
|
|
767 retval.resize (nr); |
|
|
768 for (int i = 0; i < nr; i++) |
|
|
769 retval (i) = m (i, 0); |
|
|
770 } |
|
|
771 else |
|
|
772 { |
|
3523
|
773 std::string tn = type_name (); |
|
3419
|
774 gripe_invalid_conversion (tn.c_str (), "real column vector"); |
|
|
775 } |
|
|
776 |
|
|
777 return retval; |
|
|
778 } |
|
|
779 |
|
|
780 ComplexColumnVector |
|
|
781 octave_value::complex_column_vector_value (bool force_string_conv, |
|
|
782 bool force_vector_conversion) const |
|
|
783 { |
|
|
784 ComplexColumnVector retval; |
|
|
785 |
|
|
786 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
787 |
|
|
788 if (error_state) |
|
|
789 return retval; |
|
|
790 |
|
|
791 int nr = m.rows (); |
|
|
792 int nc = m.columns (); |
|
|
793 |
|
|
794 if (nc == 1) |
|
|
795 { |
|
3465
|
796 retval.resize (nr); |
|
|
797 for (int i = 0; i < nr; i++) |
|
3419
|
798 retval (i) = m (i, 0); |
|
|
799 } |
|
|
800 else |
|
|
801 { |
|
3523
|
802 std::string tn = type_name (); |
|
3419
|
803 gripe_invalid_conversion (tn.c_str (), "complex column vector"); |
|
|
804 } |
|
|
805 |
|
|
806 return retval; |
|
|
807 } |
|
|
808 |
|
|
809 RowVector |
|
|
810 octave_value::row_vector_value (bool force_string_conv, |
|
|
811 bool force_vector_conversion) const |
|
|
812 { |
|
|
813 RowVector retval; |
|
|
814 |
|
|
815 Matrix m = matrix_value (force_string_conv); |
|
|
816 |
|
|
817 if (error_state) |
|
|
818 return retval; |
|
|
819 |
|
|
820 int nr = m.rows (); |
|
|
821 int nc = m.columns (); |
|
|
822 |
|
|
823 if (nr == 1) |
|
|
824 { |
|
|
825 retval.resize (nc); |
|
|
826 for (int i = 0; i < nc; i++) |
|
|
827 retval (i) = m (0, i); |
|
|
828 } |
|
|
829 else |
|
|
830 { |
|
3523
|
831 std::string tn = type_name (); |
|
3419
|
832 gripe_invalid_conversion (tn.c_str (), "real row vector"); |
|
|
833 } |
|
|
834 |
|
|
835 return retval; |
|
|
836 } |
|
|
837 |
|
|
838 ComplexRowVector |
|
|
839 octave_value::complex_row_vector_value (bool force_string_conv, |
|
|
840 bool force_vector_conversion) const |
|
|
841 { |
|
|
842 ComplexRowVector retval; |
|
|
843 |
|
|
844 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
845 |
|
|
846 if (error_state) |
|
|
847 return retval; |
|
|
848 |
|
|
849 int nr = m.rows (); |
|
|
850 int nc = m.columns (); |
|
|
851 |
|
|
852 if (nr == 1) |
|
|
853 { |
|
|
854 retval.resize (nc); |
|
|
855 for (int i = 0; i < nc; i++) |
|
|
856 retval (i) = m (0, i); |
|
|
857 } |
|
|
858 else |
|
|
859 { |
|
3523
|
860 std::string tn = type_name (); |
|
3419
|
861 gripe_invalid_conversion (tn.c_str (), "complex row vector"); |
|
|
862 } |
|
|
863 |
|
|
864 return retval; |
|
|
865 } |
|
|
866 |
|
|
867 // Sloppy... |
|
|
868 |
|
|
869 Array<double> |
|
2376
|
870 octave_value::vector_value (bool force_string_conv, |
|
|
871 bool force_vector_conversion) const |
|
|
872 { |
|
3419
|
873 Array<double> retval; |
|
2376
|
874 |
|
|
875 Matrix m = matrix_value (force_string_conv); |
|
|
876 |
|
|
877 if (error_state) |
|
|
878 return retval; |
|
|
879 |
|
|
880 int nr = m.rows (); |
|
|
881 int nc = m.columns (); |
|
|
882 |
|
|
883 if (nr == 1) |
|
|
884 { |
|
|
885 retval.resize (nc); |
|
|
886 for (int i = 0; i < nc; i++) |
|
|
887 retval (i) = m (0, i); |
|
|
888 } |
|
|
889 else if (nc == 1) |
|
|
890 { |
|
|
891 retval.resize (nr); |
|
|
892 for (int i = 0; i < nr; i++) |
|
|
893 retval (i) = m (i, 0); |
|
|
894 } |
|
|
895 else if (nr > 0 && nc > 0 |
|
|
896 && (Vdo_fortran_indexing || force_vector_conversion)) |
|
|
897 { |
|
|
898 retval.resize (nr * nc); |
|
|
899 int k = 0; |
|
|
900 for (int j = 0; j < nc; j++) |
|
|
901 for (int i = 0; i < nr; i++) |
|
|
902 retval (k++) = m (i, j); |
|
|
903 } |
|
|
904 else |
|
|
905 { |
|
3523
|
906 std::string tn = type_name (); |
|
2376
|
907 gripe_invalid_conversion (tn.c_str (), "real vector"); |
|
|
908 } |
|
|
909 |
|
|
910 return retval; |
|
|
911 } |
|
|
912 |
|
3419
|
913 Array<Complex> |
|
2376
|
914 octave_value::complex_vector_value (bool force_string_conv, |
|
|
915 bool force_vector_conversion) const |
|
|
916 { |
|
3419
|
917 Array<Complex> retval; |
|
2376
|
918 |
|
|
919 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
920 |
|
|
921 if (error_state) |
|
|
922 return retval; |
|
|
923 |
|
|
924 int nr = m.rows (); |
|
|
925 int nc = m.columns (); |
|
|
926 |
|
|
927 if (nr == 1) |
|
|
928 { |
|
|
929 retval.resize (nc); |
|
|
930 for (int i = 0; i < nc; i++) |
|
|
931 retval (i) = m (0, i); |
|
|
932 } |
|
|
933 else if (nc == 1) |
|
|
934 { |
|
|
935 retval.resize (nr); |
|
|
936 for (int i = 0; i < nr; i++) |
|
|
937 retval (i) = m (i, 0); |
|
|
938 } |
|
|
939 else if (nr > 0 && nc > 0 |
|
|
940 && (Vdo_fortran_indexing || force_vector_conversion)) |
|
|
941 { |
|
|
942 retval.resize (nr * nc); |
|
|
943 int k = 0; |
|
|
944 for (int j = 0; j < nc; j++) |
|
|
945 for (int i = 0; i < nr; i++) |
|
|
946 retval (k++) = m (i, j); |
|
|
947 } |
|
|
948 else |
|
|
949 { |
|
3523
|
950 std::string tn = type_name (); |
|
2376
|
951 gripe_invalid_conversion (tn.c_str (), "complex vector"); |
|
|
952 } |
|
|
953 |
|
|
954 return retval; |
|
|
955 } |
|
|
956 |
|
|
957 void |
|
4005
|
958 octave_value::print_with_name (std::ostream& output_buf, |
|
|
959 const std::string& name, |
|
2903
|
960 bool print_padding) const |
|
2376
|
961 { |
|
4005
|
962 if (! (evaluating_function_body && Vsilent_functions)) |
|
|
963 { |
|
|
964 bool pad_after = print_name_tag (output_buf, name); |
|
2376
|
965 |
|
4005
|
966 print (output_buf); |
|
2376
|
967 |
|
4005
|
968 if (print_padding && pad_after) |
|
|
969 newline (output_buf); |
|
|
970 } |
|
2376
|
971 } |
|
|
972 |
|
|
973 static void |
|
3523
|
974 gripe_indexed_assignment (const std::string& tn1, const std::string& tn2) |
|
2413
|
975 { |
|
2903
|
976 error ("assignment of `%s' to indexed `%s' not implemented", |
|
2413
|
977 tn2.c_str (), tn1.c_str ()); |
|
|
978 } |
|
|
979 |
|
|
980 static void |
|
3933
|
981 gripe_assign_conversion_failed (const std::string& tn1, |
|
|
982 const std::string& tn2) |
|
2413
|
983 { |
|
2903
|
984 error ("type conversion for assignment of `%s' to indexed `%s' failed", |
|
2413
|
985 tn2.c_str (), tn1.c_str ()); |
|
|
986 } |
|
|
987 |
|
3933
|
988 octave_value |
|
|
989 octave_value::numeric_assign (const std::string type, |
|
|
990 const SLList<octave_value_list>& idx, |
|
2413
|
991 const octave_value& rhs) |
|
|
992 { |
|
3933
|
993 octave_value retval; |
|
2413
|
994 |
|
|
995 int t_lhs = type_id (); |
|
|
996 int t_rhs = rhs.type_id (); |
|
|
997 |
|
2880
|
998 assign_op_fcn f |
|
3933
|
999 = octave_value_typeinfo::lookup_assign_op (op_asn_eq, t_lhs, t_rhs); |
|
|
1000 |
|
|
1001 bool done = false; |
|
2413
|
1002 |
|
|
1003 if (f) |
|
|
1004 { |
|
3933
|
1005 f (*this, idx.front (), rhs.get_rep ()); |
|
2413
|
1006 |
|
3933
|
1007 done = (! error_state); |
|
2413
|
1008 } |
|
3933
|
1009 |
|
|
1010 if (done) |
|
|
1011 retval = octave_value (this, count + 1); |
|
3196
|
1012 else |
|
|
1013 { |
|
3933
|
1014 int t_result |
|
|
1015 = octave_value_typeinfo::lookup_pref_assign_conv (t_lhs, t_rhs); |
|
|
1016 |
|
|
1017 if (t_result >= 0) |
|
|
1018 { |
|
|
1019 type_conv_fcn cf |
|
|
1020 = octave_value_typeinfo::lookup_widening_op (t_lhs, t_result); |
|
|
1021 |
|
|
1022 if (cf) |
|
|
1023 { |
|
|
1024 octave_value *tmp (cf (*this)); |
|
3196
|
1025 |
|
3933
|
1026 if (tmp) |
|
|
1027 { |
|
|
1028 retval = tmp->subsasgn (type, idx, rhs); |
|
|
1029 |
|
|
1030 done = (! error_state); |
|
|
1031 } |
|
|
1032 else |
|
|
1033 gripe_assign_conversion_failed (type_name (), |
|
|
1034 rhs.type_name ()); |
|
|
1035 } |
|
|
1036 else |
|
|
1037 gripe_indexed_assignment (type_name (), rhs.type_name ()); |
|
|
1038 } |
|
|
1039 |
|
|
1040 if (! (done || error_state)) |
|
3196
|
1041 { |
|
3933
|
1042 octave_value tmp_rhs; |
|
|
1043 type_conv_fcn cf_rhs = rhs.numeric_conversion_function (); |
|
|
1044 |
|
|
1045 if (cf_rhs) |
|
|
1046 { |
|
|
1047 octave_value *tmp = cf_rhs (rhs.get_rep ()); |
|
|
1048 |
|
|
1049 if (tmp) |
|
|
1050 tmp_rhs = octave_value (tmp); |
|
|
1051 else |
|
|
1052 { |
|
|
1053 gripe_assign_conversion_failed (type_name (), |
|
|
1054 rhs.type_name ()); |
|
|
1055 return octave_value (); |
|
|
1056 } |
|
|
1057 } |
|
|
1058 else |
|
|
1059 tmp_rhs = rhs; |
|
|
1060 |
|
|
1061 type_conv_fcn cf_this = numeric_conversion_function (); |
|
|
1062 |
|
|
1063 octave_value *tmp_lhs = this; |
|
3196
|
1064 |
|
3933
|
1065 if (cf_this) |
|
|
1066 { |
|
|
1067 octave_value *tmp = cf_this (*this); |
|
|
1068 |
|
|
1069 if (tmp) |
|
|
1070 tmp_lhs = tmp; |
|
|
1071 else |
|
|
1072 { |
|
|
1073 gripe_assign_conversion_failed (type_name (), |
|
|
1074 rhs.type_name ()); |
|
|
1075 return octave_value (); |
|
|
1076 } |
|
|
1077 } |
|
|
1078 |
|
|
1079 if (cf_this || cf_rhs) |
|
|
1080 { |
|
|
1081 retval = tmp_lhs->subsasgn (type, idx, tmp_rhs); |
|
|
1082 |
|
|
1083 done = (! error_state); |
|
|
1084 } |
|
|
1085 else |
|
|
1086 gripe_no_conversion (assign_op_as_string (op_asn_eq), |
|
|
1087 type_name (), rhs.type_name ()); |
|
3196
|
1088 } |
|
|
1089 } |
|
2413
|
1090 |
|
|
1091 return retval; |
|
|
1092 } |
|
|
1093 |
|
|
1094 static void |
|
3933
|
1095 gripe_binary_op (const std::string& on, const std::string& tn1, |
|
|
1096 const std::string& tn2) |
|
2376
|
1097 { |
|
2903
|
1098 error ("binary operator `%s' not implemented for `%s' by `%s' operations", |
|
2376
|
1099 on.c_str (), tn1.c_str (), tn2.c_str ()); |
|
|
1100 } |
|
|
1101 |
|
3203
|
1102 static void |
|
3523
|
1103 gripe_binary_op_conv (const std::string& on) |
|
3203
|
1104 { |
|
|
1105 error ("type conversion failed for binary operator `%s'", on.c_str ()); |
|
|
1106 } |
|
|
1107 |
|
2376
|
1108 octave_value |
|
3933
|
1109 do_binary_op (octave_value::binary_op op, |
|
|
1110 const octave_value& v1, const octave_value& v2) |
|
2376
|
1111 { |
|
|
1112 octave_value retval; |
|
|
1113 |
|
|
1114 int t1 = v1.type_id (); |
|
|
1115 int t2 = v2.type_id (); |
|
|
1116 |
|
2427
|
1117 binary_op_fcn f = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
2376
|
1118 |
|
|
1119 if (f) |
|
|
1120 retval = f (*v1.rep, *v2.rep); |
|
|
1121 else |
|
|
1122 { |
|
|
1123 octave_value tv1; |
|
2427
|
1124 type_conv_fcn cf1 = v1.numeric_conversion_function (); |
|
2376
|
1125 |
|
|
1126 if (cf1) |
|
|
1127 { |
|
3203
|
1128 octave_value *tmp = cf1 (*v1.rep); |
|
|
1129 |
|
|
1130 if (tmp) |
|
|
1131 { |
|
|
1132 tv1 = octave_value (tmp); |
|
|
1133 t1 = tv1.type_id (); |
|
|
1134 } |
|
|
1135 else |
|
|
1136 { |
|
|
1137 gripe_binary_op_conv (octave_value::binary_op_as_string (op)); |
|
|
1138 return retval; |
|
|
1139 } |
|
2376
|
1140 } |
|
|
1141 else |
|
|
1142 tv1 = v1; |
|
|
1143 |
|
|
1144 octave_value tv2; |
|
2427
|
1145 type_conv_fcn cf2 = v2.numeric_conversion_function (); |
|
2376
|
1146 |
|
|
1147 if (cf2) |
|
|
1148 { |
|
3203
|
1149 octave_value *tmp = cf2 (*v2.rep); |
|
|
1150 |
|
|
1151 if (tmp) |
|
|
1152 { |
|
|
1153 tv2 = octave_value (tmp); |
|
|
1154 t2 = tv2.type_id (); |
|
|
1155 } |
|
|
1156 else |
|
|
1157 { |
|
|
1158 gripe_binary_op_conv (octave_value::binary_op_as_string (op)); |
|
|
1159 return retval; |
|
|
1160 } |
|
2376
|
1161 } |
|
|
1162 else |
|
|
1163 tv2 = v2; |
|
|
1164 |
|
|
1165 if (cf1 || cf2) |
|
|
1166 { |
|
2427
|
1167 binary_op_fcn f |
|
2376
|
1168 = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
|
1169 |
|
|
1170 if (f) |
|
|
1171 retval = f (*tv1.rep, *tv2.rep); |
|
|
1172 else |
|
|
1173 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
1174 v1.type_name (), v2.type_name ()); |
|
|
1175 } |
|
|
1176 else |
|
|
1177 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
1178 v1.type_name (), v2.type_name ()); |
|
|
1179 } |
|
|
1180 |
|
|
1181 return retval; |
|
|
1182 } |
|
|
1183 |
|
3933
|
1184 void |
|
|
1185 octave_value::print_info (std::ostream& os, const std::string& prefix) const |
|
|
1186 { |
|
|
1187 os << prefix << "type_name: " << type_name () << "\n" |
|
|
1188 << prefix << "count: " << get_count () << "\n" |
|
|
1189 << prefix << "rep info: "; |
|
|
1190 |
|
|
1191 rep->print_info (os, prefix + " "); |
|
|
1192 } |
|
|
1193 |
|
3203
|
1194 static void |
|
3523
|
1195 gripe_unary_op (const std::string& on, const std::string& tn) |
|
3203
|
1196 { |
|
|
1197 error ("unary operator `%s' not implemented for `%s' operands", |
|
|
1198 on.c_str (), tn.c_str ()); |
|
|
1199 } |
|
|
1200 |
|
|
1201 static void |
|
3523
|
1202 gripe_unary_op_conv (const std::string& on) |
|
3203
|
1203 { |
|
|
1204 error ("type conversion failed for unary operator `%s'", on.c_str ()); |
|
|
1205 } |
|
|
1206 |
|
|
1207 octave_value |
|
|
1208 do_unary_op (octave_value::unary_op op, const octave_value& v) |
|
|
1209 { |
|
|
1210 octave_value retval; |
|
|
1211 |
|
|
1212 int t = v.type_id (); |
|
|
1213 |
|
|
1214 unary_op_fcn f = octave_value_typeinfo::lookup_unary_op (op, t); |
|
|
1215 |
|
|
1216 if (f) |
|
|
1217 retval = f (*v.rep); |
|
|
1218 else |
|
|
1219 { |
|
|
1220 octave_value tv; |
|
|
1221 type_conv_fcn cf = v.numeric_conversion_function (); |
|
|
1222 |
|
|
1223 if (cf) |
|
|
1224 { |
|
|
1225 octave_value *tmp = cf (*v.rep); |
|
|
1226 |
|
|
1227 if (tmp) |
|
|
1228 { |
|
|
1229 tv = octave_value (tmp); |
|
|
1230 t = tv.type_id (); |
|
|
1231 |
|
|
1232 unary_op_fcn f = octave_value_typeinfo::lookup_unary_op (op, t); |
|
|
1233 |
|
|
1234 if (f) |
|
|
1235 retval = f (*tv.rep); |
|
|
1236 else |
|
|
1237 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1238 v.type_name ()); |
|
|
1239 } |
|
|
1240 else |
|
|
1241 gripe_unary_op_conv (octave_value::unary_op_as_string (op)); |
|
|
1242 } |
|
|
1243 else |
|
|
1244 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1245 v.type_name ()); |
|
|
1246 } |
|
|
1247 |
|
|
1248 return retval; |
|
|
1249 } |
|
|
1250 |
|
|
1251 static void |
|
3933
|
1252 gripe_unary_op_conversion_failed (const std::string& op, |
|
|
1253 const std::string& tn) |
|
3203
|
1254 { |
|
|
1255 error ("operator %s: type conversion for `%s' failed", |
|
|
1256 op.c_str (), tn.c_str ()); |
|
|
1257 } |
|
|
1258 |
|
3933
|
1259 const octave_value& |
|
|
1260 octave_value::do_non_const_unary_op (unary_op op) |
|
3203
|
1261 { |
|
|
1262 octave_value retval; |
|
|
1263 |
|
|
1264 int t = type_id (); |
|
|
1265 |
|
|
1266 non_const_unary_op_fcn f |
|
|
1267 = octave_value_typeinfo::lookup_non_const_unary_op (op, t); |
|
|
1268 |
|
|
1269 if (f) |
|
|
1270 { |
|
|
1271 make_unique (); |
|
|
1272 |
|
|
1273 f (*rep); |
|
|
1274 } |
|
|
1275 else |
|
|
1276 { |
|
|
1277 type_conv_fcn cf = numeric_conversion_function (); |
|
|
1278 |
|
|
1279 if (cf) |
|
|
1280 { |
|
|
1281 octave_value *tmp = cf (*rep); |
|
|
1282 |
|
|
1283 if (tmp) |
|
|
1284 { |
|
|
1285 octave_value *old_rep = rep; |
|
|
1286 rep = tmp; |
|
|
1287 rep->count = 1; |
|
|
1288 |
|
|
1289 t = type_id (); |
|
|
1290 |
|
|
1291 f = octave_value_typeinfo::lookup_non_const_unary_op (op, t); |
|
|
1292 |
|
|
1293 if (f) |
|
|
1294 { |
|
|
1295 f (*rep); |
|
|
1296 |
|
|
1297 if (old_rep && --old_rep->count == 0) |
|
|
1298 delete old_rep; |
|
|
1299 } |
|
|
1300 else |
|
|
1301 { |
|
|
1302 if (old_rep) |
|
|
1303 { |
|
|
1304 if (--rep->count == 0) |
|
|
1305 delete rep; |
|
|
1306 |
|
|
1307 rep = old_rep; |
|
|
1308 } |
|
|
1309 |
|
|
1310 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1311 type_name ()); |
|
|
1312 } |
|
|
1313 } |
|
|
1314 else |
|
|
1315 gripe_unary_op_conversion_failed |
|
|
1316 (octave_value::unary_op_as_string (op), type_name ()); |
|
|
1317 } |
|
|
1318 else |
|
|
1319 gripe_unary_op (octave_value::unary_op_as_string (op), type_name ()); |
|
|
1320 } |
|
3933
|
1321 |
|
|
1322 return *this; |
|
3203
|
1323 } |
|
|
1324 |
|
3933
|
1325 #if 0 |
|
3205
|
1326 static void |
|
3933
|
1327 gripe_unary_op_failed_or_no_method (const std::string& on, |
|
|
1328 const std::string& tn) |
|
3205
|
1329 { |
|
|
1330 error ("operator %s: no method, or unable to evaluate for %s operand", |
|
|
1331 on.c_str (), tn.c_str ()); |
|
|
1332 } |
|
3933
|
1333 #endif |
|
3205
|
1334 |
|
|
1335 void |
|
3933
|
1336 octave_value::do_non_const_unary_op (unary_op op, const octave_value_list& idx) |
|
3205
|
1337 { |
|
3933
|
1338 abort (); |
|
|
1339 } |
|
|
1340 |
|
|
1341 octave_value |
|
|
1342 octave_value::do_non_const_unary_op (unary_op op, const std::string type, |
|
|
1343 const SLList<octave_value_list>& idx) |
|
|
1344 { |
|
|
1345 octave_value retval; |
|
|
1346 |
|
|
1347 if (idx.empty ()) |
|
|
1348 { |
|
|
1349 do_non_const_unary_op (op); |
|
3205
|
1350 |
|
3933
|
1351 retval = *this; |
|
|
1352 } |
|
|
1353 else |
|
|
1354 { |
|
|
1355 // XXX FIXME XXX -- only do the following stuff if we can't find a |
|
|
1356 // specific function to call to handle the op= operation for the |
|
|
1357 // types we have. |
|
3205
|
1358 |
|
3933
|
1359 assign_op assop = unary_op_to_assign_op (op); |
|
|
1360 |
|
|
1361 retval = assign (assop, type, idx, 1.0); |
|
|
1362 } |
|
|
1363 |
|
|
1364 return retval; |
|
3205
|
1365 } |
|
|
1366 |
|
2903
|
1367 // Current indentation. |
|
|
1368 int octave_value::curr_print_indent_level = 0; |
|
|
1369 |
|
3018
|
1370 // TRUE means we are at the beginning of a line. |
|
2903
|
1371 bool octave_value::beginning_of_line = true; |
|
|
1372 |
|
|
1373 // Each print() function should call this before printing anything. |
|
|
1374 // |
|
|
1375 // This doesn't need to be fast, but isn't there a better way? |
|
|
1376 |
|
|
1377 void |
|
3523
|
1378 octave_value::indent (std::ostream& os) const |
|
2903
|
1379 { |
|
|
1380 assert (curr_print_indent_level >= 0); |
|
|
1381 |
|
|
1382 if (beginning_of_line) |
|
|
1383 { |
|
|
1384 // XXX FIXME XXX -- do we need this? |
|
|
1385 // os << prefix; |
|
|
1386 |
|
|
1387 for (int i = 0; i < curr_print_indent_level; i++) |
|
|
1388 os << " "; |
|
|
1389 |
|
|
1390 beginning_of_line = false; |
|
|
1391 } |
|
|
1392 } |
|
|
1393 |
|
|
1394 // All print() functions should use this to print new lines. |
|
|
1395 |
|
|
1396 void |
|
3523
|
1397 octave_value::newline (std::ostream& os) const |
|
2903
|
1398 { |
|
|
1399 os << "\n"; |
|
|
1400 |
|
|
1401 beginning_of_line = true; |
|
|
1402 } |
|
|
1403 |
|
|
1404 // For ressetting print state. |
|
|
1405 |
|
|
1406 void |
|
|
1407 octave_value::reset (void) const |
|
|
1408 { |
|
|
1409 beginning_of_line = true; |
|
|
1410 curr_print_indent_level = 0; |
|
|
1411 } |
|
|
1412 |
|
3205
|
1413 octave_value::assign_op |
|
|
1414 octave_value::unary_op_to_assign_op (unary_op op) |
|
|
1415 { |
|
|
1416 assign_op binop = unknown_assign_op; |
|
|
1417 |
|
|
1418 switch (op) |
|
|
1419 { |
|
3533
|
1420 case op_incr: |
|
|
1421 binop = op_add_eq; |
|
3205
|
1422 break; |
|
|
1423 |
|
3533
|
1424 case op_decr: |
|
|
1425 binop = op_sub_eq; |
|
3205
|
1426 break; |
|
|
1427 |
|
|
1428 default: |
|
|
1429 { |
|
3523
|
1430 std::string on = unary_op_as_string (op); |
|
3205
|
1431 error ("operator %s: no assign operator found", on.c_str ()); |
|
|
1432 } |
|
|
1433 } |
|
|
1434 |
|
|
1435 return binop; |
|
|
1436 } |
|
|
1437 |
|
3204
|
1438 octave_value::binary_op |
|
|
1439 octave_value::op_eq_to_binary_op (assign_op op) |
|
|
1440 { |
|
|
1441 binary_op binop = unknown_binary_op; |
|
|
1442 |
|
|
1443 switch (op) |
|
|
1444 { |
|
3533
|
1445 case op_add_eq: |
|
|
1446 binop = op_add; |
|
3204
|
1447 break; |
|
|
1448 |
|
3533
|
1449 case op_sub_eq: |
|
|
1450 binop = op_sub; |
|
3204
|
1451 break; |
|
|
1452 |
|
3533
|
1453 case op_mul_eq: |
|
|
1454 binop = op_mul; |
|
3204
|
1455 break; |
|
|
1456 |
|
3533
|
1457 case op_div_eq: |
|
|
1458 binop = op_div; |
|
3204
|
1459 break; |
|
|
1460 |
|
3533
|
1461 case op_ldiv_eq: |
|
|
1462 binop = op_ldiv; |
|
3204
|
1463 break; |
|
|
1464 |
|
4018
|
1465 case op_pow_eq: |
|
|
1466 binop = op_pow; |
|
|
1467 break; |
|
|
1468 |
|
3533
|
1469 case op_lshift_eq: |
|
|
1470 binop = op_lshift; |
|
3204
|
1471 break; |
|
|
1472 |
|
3533
|
1473 case op_rshift_eq: |
|
|
1474 binop = op_rshift; |
|
3204
|
1475 break; |
|
|
1476 |
|
3533
|
1477 case op_el_mul_eq: |
|
|
1478 binop = op_el_mul; |
|
3204
|
1479 break; |
|
|
1480 |
|
3533
|
1481 case op_el_div_eq: |
|
|
1482 binop = op_el_div; |
|
3204
|
1483 break; |
|
|
1484 |
|
3533
|
1485 case op_el_ldiv_eq: |
|
|
1486 binop = op_el_ldiv; |
|
3204
|
1487 break; |
|
|
1488 |
|
4018
|
1489 case op_el_pow_eq: |
|
|
1490 binop = op_el_pow; |
|
|
1491 break; |
|
|
1492 |
|
3533
|
1493 case op_el_and_eq: |
|
|
1494 binop = op_el_and; |
|
3204
|
1495 break; |
|
|
1496 |
|
3533
|
1497 case op_el_or_eq: |
|
|
1498 binop = op_el_or; |
|
3204
|
1499 break; |
|
|
1500 |
|
|
1501 default: |
|
|
1502 { |
|
3523
|
1503 std::string on = assign_op_as_string (op); |
|
3204
|
1504 error ("operator %s: no binary operator found", on.c_str ()); |
|
|
1505 } |
|
|
1506 } |
|
|
1507 |
|
|
1508 return binop; |
|
|
1509 } |
|
|
1510 |
|
3933
|
1511 octave_value |
|
|
1512 octave_value::empty_conv (const std::string& type, const octave_value& rhs) |
|
|
1513 { |
|
|
1514 octave_value retval; |
|
|
1515 |
|
|
1516 if (type.length () > 0) |
|
|
1517 { |
|
|
1518 switch (type[0]) |
|
|
1519 { |
|
|
1520 case '(': |
|
|
1521 { |
|
|
1522 if (type.length () > 1 && type[1] == '.') |
|
|
1523 retval = Octave_map (); |
|
|
1524 else |
|
|
1525 retval = octave_value (rhs.empty_clone ()); |
|
|
1526 } |
|
|
1527 break; |
|
|
1528 |
|
|
1529 case '{': |
|
|
1530 retval = Cell (); |
|
|
1531 break; |
|
|
1532 |
|
|
1533 case '.': |
|
|
1534 retval = Octave_map (); |
|
|
1535 break; |
|
|
1536 |
|
|
1537 default: |
|
|
1538 panic_impossible (); |
|
|
1539 } |
|
|
1540 } |
|
|
1541 else |
|
|
1542 retval = octave_value (rhs.empty_clone ()); |
|
|
1543 |
|
|
1544 return retval; |
|
|
1545 } |
|
|
1546 |
|
2376
|
1547 void |
|
|
1548 install_types (void) |
|
|
1549 { |
|
|
1550 octave_base_value::register_type (); |
|
3928
|
1551 octave_cell::register_type (); |
|
2376
|
1552 octave_scalar::register_type (); |
|
|
1553 octave_complex::register_type (); |
|
|
1554 octave_matrix::register_type (); |
|
|
1555 octave_complex_matrix::register_type (); |
|
|
1556 octave_range::register_type (); |
|
2825
|
1557 octave_bool::register_type (); |
|
|
1558 octave_bool_matrix::register_type (); |
|
2376
|
1559 octave_char_matrix::register_type (); |
|
|
1560 octave_char_matrix_str::register_type (); |
|
|
1561 octave_struct::register_type (); |
|
2903
|
1562 octave_file::register_type (); |
|
2880
|
1563 octave_list::register_type (); |
|
3977
|
1564 octave_cs_list::register_type (); |
|
2376
|
1565 octave_all_va_args::register_type (); |
|
|
1566 octave_magic_colon::register_type (); |
|
2974
|
1567 octave_builtin::register_type (); |
|
|
1568 octave_mapper::register_type (); |
|
|
1569 octave_user_function::register_type (); |
|
2376
|
1570 } |
|
|
1571 |
|
|
1572 static int |
|
|
1573 do_fortran_indexing (void) |
|
|
1574 { |
|
|
1575 Vdo_fortran_indexing = check_preference ("do_fortran_indexing"); |
|
|
1576 |
|
|
1577 liboctave_dfi_flag = Vdo_fortran_indexing; |
|
|
1578 |
|
|
1579 return 0; |
|
|
1580 } |
|
|
1581 |
|
|
1582 static int |
|
|
1583 implicit_str_to_num_ok (void) |
|
|
1584 { |
|
|
1585 Vimplicit_str_to_num_ok = check_preference ("implicit_str_to_num_ok"); |
|
|
1586 |
|
|
1587 return 0; |
|
|
1588 } |
|
|
1589 |
|
|
1590 static int |
|
|
1591 ok_to_lose_imaginary_part (void) |
|
|
1592 { |
|
|
1593 Vok_to_lose_imaginary_part = check_preference ("ok_to_lose_imaginary_part"); |
|
|
1594 |
|
|
1595 return 0; |
|
|
1596 } |
|
|
1597 |
|
|
1598 static int |
|
|
1599 prefer_column_vectors (void) |
|
|
1600 { |
|
|
1601 Vprefer_column_vectors |
|
|
1602 = check_preference ("prefer_column_vectors"); |
|
|
1603 |
|
|
1604 liboctave_pcv_flag = Vprefer_column_vectors; |
|
|
1605 |
|
|
1606 return 0; |
|
|
1607 } |
|
|
1608 |
|
|
1609 static int |
|
|
1610 print_answer_id_name (void) |
|
|
1611 { |
|
|
1612 Vprint_answer_id_name = check_preference ("print_answer_id_name"); |
|
|
1613 |
|
|
1614 return 0; |
|
|
1615 } |
|
|
1616 |
|
|
1617 static int |
|
|
1618 propagate_empty_matrices (void) |
|
|
1619 { |
|
|
1620 Vpropagate_empty_matrices = check_preference ("propagate_empty_matrices"); |
|
|
1621 |
|
|
1622 return 0; |
|
|
1623 } |
|
|
1624 |
|
|
1625 static int |
|
|
1626 resize_on_range_error (void) |
|
|
1627 { |
|
|
1628 Vresize_on_range_error = check_preference ("resize_on_range_error"); |
|
|
1629 |
|
|
1630 liboctave_rre_flag = Vresize_on_range_error; |
|
|
1631 |
|
|
1632 return 0; |
|
|
1633 } |
|
|
1634 |
|
|
1635 static int |
|
4005
|
1636 silent_functions (void) |
|
|
1637 { |
|
|
1638 Vsilent_functions = check_preference ("silent_functions"); |
|
|
1639 |
|
|
1640 return 0; |
|
|
1641 } |
|
|
1642 |
|
|
1643 static int |
|
2376
|
1644 struct_levels_to_print (void) |
|
|
1645 { |
|
|
1646 double val; |
|
|
1647 if (builtin_real_scalar_variable ("struct_levels_to_print", val) |
|
|
1648 && ! xisnan (val)) |
|
|
1649 { |
|
|
1650 int ival = NINT (val); |
|
3961
|
1651 if (ival == val) |
|
2376
|
1652 { |
|
|
1653 Vstruct_levels_to_print = ival; |
|
|
1654 return 0; |
|
|
1655 } |
|
|
1656 } |
|
|
1657 gripe_invalid_value_specified ("struct_levels_to_print"); |
|
|
1658 return -1; |
|
|
1659 } |
|
|
1660 |
|
|
1661 static int |
|
|
1662 warn_divide_by_zero (void) |
|
|
1663 { |
|
|
1664 Vwarn_divide_by_zero = check_preference ("warn_divide_by_zero"); |
|
|
1665 |
|
|
1666 return 0; |
|
|
1667 } |
|
|
1668 |
|
|
1669 void |
|
2909
|
1670 symbols_of_ov (void) |
|
2376
|
1671 { |
|
3258
|
1672 DEFVAR (do_fortran_indexing, 0.0, do_fortran_indexing, |
|
3371
|
1673 "-*- texinfo -*-\n\ |
|
|
1674 @defvr {Built-in Variable} do_fortran_indexing\n\ |
|
|
1675 If the value of @code{do_fortran_indexing} is nonzero, Octave allows \n\ |
|
|
1676 you to select elements of a two-dimensional matrix using a single index\n\ |
|
|
1677 by treating the matrix as a single vector created from the columns of\n\ |
|
|
1678 the matrix. The default value is 0. \n\ |
|
|
1679 @end defvr"); |
|
2376
|
1680 |
|
3258
|
1681 DEFVAR (implicit_str_to_num_ok, 0.0, implicit_str_to_num_ok, |
|
3361
|
1682 "-*- texinfo -*-\n\ |
|
|
1683 @defvr {Built-in Variable} implicit_str_to_num_ok\n\ |
|
|
1684 If the value of @code{implicit_str_to_num_ok} is nonzero, implicit\n\ |
|
|
1685 conversions of strings to their numeric ASCII equivalents are allowed.\n\ |
|
|
1686 Otherwise, an error message is printed and control is returned to the\n\ |
|
|
1687 top level. The default value is 0.\n\ |
|
3363
|
1688 @end defvr"); |
|
2376
|
1689 |
|
3258
|
1690 DEFVAR (ok_to_lose_imaginary_part, "warn", ok_to_lose_imaginary_part, |
|
3370
|
1691 "-*- texinfo -*-\n\ |
|
|
1692 @defvr {Built-in Variable} ok_to_lose_imaginary_part\n\ |
|
|
1693 If the value of @code{ok_to_lose_imaginary_part} is nonzero, implicit\n\ |
|
|
1694 conversions of complex numbers to real numbers are allowed (for example,\n\ |
|
|
1695 by fsolve). If the value is @code{\"warn\"}, the conversion is allowed,\n\ |
|
|
1696 but a warning is printed. Otherwise, an error message is printed and\n\ |
|
|
1697 control is returned to the top level. The default value is\n\ |
|
|
1698 @code{\"warn\"}.\n\ |
|
|
1699 @end defvr"); |
|
2376
|
1700 |
|
3258
|
1701 DEFVAR (prefer_column_vectors, 1.0, prefer_column_vectors, |
|
3371
|
1702 "-*- texinfo -*-\n\ |
|
|
1703 @defvr {Built-in Variable} prefer_column_vectors\n\ |
|
|
1704 If @code{prefer_column_vectors} is nonzero, operations like\n\ |
|
|
1705 \n\ |
|
|
1706 @example\n\ |
|
|
1707 for i = 1:10\n\ |
|
|
1708 a (i) = i;\n\ |
|
|
1709 endfor\n\ |
|
|
1710 @end example\n\ |
|
|
1711 \n\ |
|
|
1712 @noindent\n\ |
|
|
1713 (for @code{a} previously undefined) produce column vectors. Otherwise, row\n\ |
|
|
1714 vectors are preferred. The default value is 1.\n\ |
|
|
1715 \n\ |
|
|
1716 If a variable is already defined to be a vector (a matrix with a single\n\ |
|
|
1717 row or column), the original orientation is respected, regardless of the\n\ |
|
|
1718 value of @code{prefer_column_vectors}.\n\ |
|
|
1719 @end defvr"); |
|
2376
|
1720 |
|
3258
|
1721 DEFVAR (print_answer_id_name, 1.0, print_answer_id_name, |
|
3372
|
1722 "-*- texinfo -*-\n\ |
|
|
1723 @defvr {Built-in Variable} print_answer_id_name\n\ |
|
|
1724 If the value of @code{print_answer_id_name} is nonzero, variable\n\ |
|
|
1725 names are printed along with the result. Otherwise, only the result\n\ |
|
|
1726 values are printed. The default value is 1.\n\ |
|
|
1727 @end defvr"); |
|
2376
|
1728 |
|
3258
|
1729 DEFVAR (propagate_empty_matrices, 1.0, propagate_empty_matrices, |
|
3321
|
1730 "-*- texinfo -*-\n\ |
|
|
1731 @defvr {Built-in Variable} propagate_empty_matrices\n\ |
|
|
1732 If the value of @code{propagate_empty_matrices} is nonzero,\n\ |
|
|
1733 functions like @code{inverse} and @code{svd} will return an empty matrix\n\ |
|
|
1734 if they are given one as an argument. The default value is 1.\n\ |
|
3333
|
1735 @end defvr"); |
|
2376
|
1736 |
|
3258
|
1737 DEFVAR (resize_on_range_error, 1.0, resize_on_range_error, |
|
3371
|
1738 "-*- texinfo -*-\n\ |
|
|
1739 @defvr {Built-in Variable} resize_on_range_error\n\ |
|
|
1740 If the value of @code{resize_on_range_error} is nonzero, expressions\n\ |
|
|
1741 like\n\ |
|
|
1742 \n\ |
|
|
1743 @example\n\ |
|
|
1744 for i = 1:10\n\ |
|
|
1745 a (i) = sqrt (i);\n\ |
|
|
1746 endfor\n\ |
|
|
1747 @end example\n\ |
|
|
1748 \n\ |
|
|
1749 @noindent\n\ |
|
|
1750 (for @code{a} previously undefined) result in the variable @code{a}\n\ |
|
|
1751 being resized to be just large enough to hold the new value. New\n\ |
|
|
1752 elements that have not been given a value are set to zero. If the value\n\ |
|
|
1753 of @code{resize_on_range_error} is 0, an error message is printed and\n\ |
|
|
1754 control is returned to the top level. The default value is 1.\n\ |
|
|
1755 @end defvr"); |
|
2376
|
1756 |
|
4005
|
1757 DEFVAR (silent_functions, 0.0, silent_functions, |
|
|
1758 "-*- texinfo -*-\n\ |
|
|
1759 @defvr {Built-in Variable} silent_functions\n\ |
|
|
1760 If the value of @code{silent_functions} is nonzero, internal output\n\ |
|
|
1761 from a function is suppressed. Otherwise, the results of expressions\n\ |
|
|
1762 within a function body that are not terminated with a semicolon will\n\ |
|
|
1763 have their values printed. The default value is 0.\n\ |
|
|
1764 \n\ |
|
|
1765 For example, if the function\n\ |
|
|
1766 \n\ |
|
|
1767 @example\n\ |
|
|
1768 function f ()\n\ |
|
|
1769 2 + 2\n\ |
|
|
1770 endfunction\n\ |
|
|
1771 @end example\n\ |
|
|
1772 \n\ |
|
|
1773 @noindent\n\ |
|
|
1774 is executed, Octave will either print @samp{ans = 4} or nothing\n\ |
|
|
1775 depending on the value of @code{silent_functions}.\n\ |
|
|
1776 @end defvr"); |
|
|
1777 |
|
3258
|
1778 DEFVAR (struct_levels_to_print, 2.0, struct_levels_to_print, |
|
3361
|
1779 "-*- texinfo -*-\n\ |
|
|
1780 @defvr {Built-in Variable} struct_levels_to_print\n\ |
|
|
1781 You can tell Octave how many structure levels to display by setting the\n\ |
|
|
1782 built-in variable @code{struct_levels_to_print}. The default value is 2.\n\ |
|
3363
|
1783 @end defvr"); |
|
2376
|
1784 |
|
3258
|
1785 DEFVAR (warn_divide_by_zero, 1.0, warn_divide_by_zero, |
|
3371
|
1786 "-*- texinfo -*-\n\ |
|
|
1787 @defvr {Built-in Variable} warn_divide_by_zero\n\ |
|
|
1788 If the value of @code{warn_divide_by_zero} is nonzero, a warning\n\ |
|
|
1789 is issued when Octave encounters a division by zero. If the value is\n\ |
|
|
1790 0, the warning is omitted. The default value is 1.\n\ |
|
|
1791 @end defvr"); |
|
2376
|
1792 } |
|
|
1793 |
|
|
1794 /* |
|
|
1795 ;;; Local Variables: *** |
|
|
1796 ;;; mode: C++ *** |
|
|
1797 ;;; End: *** |
|
|
1798 */ |
