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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 { |
|
4038
|
509 rep = is_cs_list ? new octave_cs_list (l) : new octave_list (l); |
|
3977
|
510 |
|
2880
|
511 rep->count = 1; |
|
|
512 } |
|
2376
|
513 |
|
|
514 octave_value::octave_value (octave_value::magic_colon) |
|
2825
|
515 : rep (new octave_magic_colon ()) |
|
|
516 { |
|
|
517 rep->count = 1; |
|
|
518 } |
|
2376
|
519 |
|
|
520 octave_value::octave_value (octave_value::all_va_args) |
|
2825
|
521 : rep (new octave_all_va_args ()) |
|
|
522 { |
|
|
523 rep->count = 1; |
|
|
524 } |
|
2376
|
525 |
|
3933
|
526 octave_value::octave_value (octave_value *new_rep, int count) |
|
2825
|
527 : rep (new_rep) |
|
|
528 { |
|
3933
|
529 rep->count = count; |
|
2825
|
530 } |
|
2376
|
531 |
|
|
532 octave_value::~octave_value (void) |
|
|
533 { |
|
|
534 #if defined (MDEBUG) |
|
3531
|
535 std::cerr << "~octave_value: rep: " << rep |
|
|
536 << " rep->count: " << rep->count << "\n"; |
|
2376
|
537 #endif |
|
|
538 |
|
|
539 if (rep && --rep->count == 0) |
|
|
540 { |
|
|
541 delete rep; |
|
|
542 rep = 0; |
|
|
543 } |
|
|
544 } |
|
|
545 |
|
2880
|
546 octave_value * |
|
3933
|
547 octave_value::clone (void) const |
|
2880
|
548 { |
|
|
549 panic_impossible (); |
|
3546
|
550 return 0; |
|
2880
|
551 } |
|
|
552 |
|
2409
|
553 void |
|
|
554 octave_value::maybe_mutate (void) |
|
|
555 { |
|
2410
|
556 octave_value *tmp = rep->try_narrowing_conversion (); |
|
2409
|
557 |
|
|
558 if (tmp && tmp != rep) |
|
|
559 { |
|
|
560 if (--rep->count == 0) |
|
|
561 delete rep; |
|
|
562 |
|
|
563 rep = tmp; |
|
|
564 rep->count = 1; |
|
|
565 } |
|
|
566 } |
|
|
567 |
|
2974
|
568 octave_value_list |
|
3933
|
569 octave_value::subsref (const std::string type, |
|
|
570 const SLList<octave_value_list>& idx, int nargout) |
|
|
571 { |
|
|
572 if (is_constant ()) |
|
|
573 return rep->subsref (type, idx); |
|
|
574 else |
|
|
575 return rep->subsref (type, idx, nargout); |
|
|
576 } |
|
|
577 |
|
|
578 octave_value |
|
|
579 octave_value::next_subsref (const std::string type, |
|
|
580 const SLList<octave_value_list>& idx, |
|
|
581 int skip) |
|
|
582 { |
|
|
583 assert (skip > 0); |
|
|
584 |
|
|
585 if (idx.length () > skip) |
|
|
586 { |
|
|
587 SLList<octave_value_list> new_idx (idx); |
|
|
588 for (int i = 0; i < skip; i++) |
|
|
589 new_idx.remove_front (); |
|
|
590 return subsref (type.substr (skip), new_idx); |
|
|
591 } |
|
|
592 else |
|
|
593 return *this; |
|
|
594 } |
|
|
595 |
|
|
596 octave_value_list |
|
3544
|
597 octave_value::do_multi_index_op (int nargout, const octave_value_list& idx) |
|
2974
|
598 { |
|
3544
|
599 return rep->do_multi_index_op (nargout, idx); |
|
2974
|
600 } |
|
|
601 |
|
2376
|
602 static void |
|
3933
|
603 gripe_no_conversion (const std::string& on, const std::string& tn1, |
|
|
604 const std::string& tn2) |
|
2376
|
605 { |
|
3203
|
606 error ("operator %s: no conversion for assignment of `%s' to indexed `%s'", |
|
|
607 on.c_str (), tn2.c_str (), tn1.c_str ()); |
|
2376
|
608 } |
|
|
609 |
|
3933
|
610 #if 0 |
|
3204
|
611 static void |
|
3933
|
612 gripe_assign_failed (const std::string& on, const std::string& tn1, |
|
|
613 const std::string& tn2) |
|
3204
|
614 { |
|
|
615 error ("assignment failed for `%s %s %s'", |
|
|
616 tn1.c_str (), on.c_str (), tn2.c_str ()); |
|
|
617 } |
|
3933
|
618 #endif |
|
3204
|
619 |
|
|
620 static void |
|
3933
|
621 gripe_assign_failed_or_no_method (const std::string& on, |
|
|
622 const std::string& tn1, |
|
3523
|
623 const std::string& tn2) |
|
3204
|
624 { |
|
|
625 error ("assignment failed, or no method for `%s %s %s'", |
|
|
626 tn1.c_str (), on.c_str (), tn2.c_str ()); |
|
|
627 } |
|
|
628 |
|
3933
|
629 octave_value |
|
|
630 octave_value::subsasgn (const std::string type, |
|
|
631 const SLList<octave_value_list>& idx, |
|
|
632 const octave_value& rhs) |
|
|
633 { |
|
|
634 return rep->subsasgn (type, idx, rhs); |
|
|
635 } |
|
|
636 |
|
|
637 octave_value |
|
|
638 octave_value::assign (assign_op op, const std::string type, |
|
|
639 const SLList<octave_value_list>& idx, |
|
|
640 const octave_value& rhs) |
|
|
641 { |
|
|
642 octave_value retval; |
|
|
643 |
|
|
644 make_unique (); |
|
|
645 |
|
|
646 octave_value t_rhs = rhs; |
|
|
647 |
|
|
648 if (op != op_asn_eq) |
|
|
649 { |
|
|
650 // XXX FIXME XXX -- only do the following stuff if we can't find |
|
|
651 // a specific function to call to handle the op= operation for |
|
|
652 // the types we have. |
|
|
653 |
|
|
654 octave_value t = subsref (type, idx); |
|
|
655 |
|
|
656 if (! error_state) |
|
|
657 { |
|
|
658 binary_op binop = op_eq_to_binary_op (op); |
|
|
659 |
|
|
660 if (! error_state) |
|
|
661 t_rhs = do_binary_op (binop, t, rhs); |
|
|
662 } |
|
|
663 } |
|
|
664 |
|
|
665 if (! error_state) |
|
|
666 { |
|
|
667 if (type[0] == '.' && ! is_map ()) |
|
|
668 { |
|
|
669 octave_value tmp = Octave_map (); |
|
|
670 retval = tmp.subsasgn (type, idx, t_rhs); |
|
|
671 } |
|
|
672 else |
|
|
673 retval = subsasgn (type, idx, t_rhs); |
|
|
674 } |
|
|
675 |
|
|
676 if (error_state) |
|
|
677 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
678 type_name (), rhs.type_name ()); |
|
|
679 |
|
|
680 return retval; |
|
|
681 } |
|
|
682 |
|
|
683 const octave_value& |
|
3203
|
684 octave_value::assign (assign_op op, const octave_value& rhs) |
|
2880
|
685 { |
|
3533
|
686 if (op == op_asn_eq) |
|
3203
|
687 operator = (rhs); |
|
|
688 else |
|
|
689 { |
|
3204
|
690 // XXX FIXME XXX -- only do the following stuff if we can't find |
|
|
691 // a specific function to call to handle the op= operation for |
|
|
692 // the types we have. |
|
|
693 |
|
|
694 binary_op binop = op_eq_to_binary_op (op); |
|
|
695 |
|
|
696 if (! error_state) |
|
|
697 { |
|
|
698 octave_value t = do_binary_op (binop, *this, rhs); |
|
|
699 |
|
|
700 if (! error_state) |
|
|
701 operator = (t); |
|
|
702 } |
|
|
703 |
|
|
704 if (error_state) |
|
|
705 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
706 type_name (), rhs.type_name ()); |
|
|
707 } |
|
|
708 |
|
3933
|
709 return *this; |
|
2376
|
710 } |
|
|
711 |
|
3351
|
712 Cell |
|
|
713 octave_value::cell_value (void) const |
|
|
714 { |
|
|
715 return rep->cell_value (); |
|
|
716 } |
|
|
717 |
|
2376
|
718 Octave_map |
|
|
719 octave_value::map_value (void) const |
|
|
720 { |
|
|
721 return rep->map_value (); |
|
|
722 } |
|
|
723 |
|
3340
|
724 octave_stream |
|
2903
|
725 octave_value::stream_value (void) const |
|
|
726 { |
|
|
727 return rep->stream_value (); |
|
|
728 } |
|
|
729 |
|
|
730 int |
|
|
731 octave_value::stream_number (void) const |
|
|
732 { |
|
|
733 return rep->stream_number (); |
|
|
734 } |
|
|
735 |
|
2974
|
736 octave_function * |
|
|
737 octave_value::function_value (bool silent) |
|
|
738 { |
|
|
739 return rep->function_value (silent); |
|
|
740 } |
|
|
741 |
|
2880
|
742 octave_value_list |
|
|
743 octave_value::list_value (void) const |
|
|
744 { |
|
|
745 return rep->list_value (); |
|
|
746 } |
|
|
747 |
|
2376
|
748 ColumnVector |
|
3419
|
749 octave_value::column_vector_value (bool force_string_conv, |
|
|
750 bool force_vector_conversion) const |
|
|
751 { |
|
|
752 ColumnVector retval; |
|
|
753 |
|
|
754 Matrix m = matrix_value (force_string_conv); |
|
|
755 |
|
|
756 if (error_state) |
|
|
757 return retval; |
|
|
758 |
|
|
759 int nr = m.rows (); |
|
|
760 int nc = m.columns (); |
|
|
761 |
|
|
762 if (nc == 1) |
|
|
763 { |
|
|
764 retval.resize (nr); |
|
|
765 for (int i = 0; i < nr; i++) |
|
|
766 retval (i) = m (i, 0); |
|
|
767 } |
|
|
768 else |
|
|
769 { |
|
3523
|
770 std::string tn = type_name (); |
|
3419
|
771 gripe_invalid_conversion (tn.c_str (), "real column vector"); |
|
|
772 } |
|
|
773 |
|
|
774 return retval; |
|
|
775 } |
|
|
776 |
|
|
777 ComplexColumnVector |
|
|
778 octave_value::complex_column_vector_value (bool force_string_conv, |
|
|
779 bool force_vector_conversion) const |
|
|
780 { |
|
|
781 ComplexColumnVector retval; |
|
|
782 |
|
|
783 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
784 |
|
|
785 if (error_state) |
|
|
786 return retval; |
|
|
787 |
|
|
788 int nr = m.rows (); |
|
|
789 int nc = m.columns (); |
|
|
790 |
|
|
791 if (nc == 1) |
|
|
792 { |
|
3465
|
793 retval.resize (nr); |
|
|
794 for (int i = 0; i < nr; i++) |
|
3419
|
795 retval (i) = m (i, 0); |
|
|
796 } |
|
|
797 else |
|
|
798 { |
|
3523
|
799 std::string tn = type_name (); |
|
3419
|
800 gripe_invalid_conversion (tn.c_str (), "complex column vector"); |
|
|
801 } |
|
|
802 |
|
|
803 return retval; |
|
|
804 } |
|
|
805 |
|
|
806 RowVector |
|
|
807 octave_value::row_vector_value (bool force_string_conv, |
|
|
808 bool force_vector_conversion) const |
|
|
809 { |
|
|
810 RowVector retval; |
|
|
811 |
|
|
812 Matrix m = matrix_value (force_string_conv); |
|
|
813 |
|
|
814 if (error_state) |
|
|
815 return retval; |
|
|
816 |
|
|
817 int nr = m.rows (); |
|
|
818 int nc = m.columns (); |
|
|
819 |
|
|
820 if (nr == 1) |
|
|
821 { |
|
|
822 retval.resize (nc); |
|
|
823 for (int i = 0; i < nc; i++) |
|
|
824 retval (i) = m (0, i); |
|
|
825 } |
|
|
826 else |
|
|
827 { |
|
3523
|
828 std::string tn = type_name (); |
|
3419
|
829 gripe_invalid_conversion (tn.c_str (), "real row vector"); |
|
|
830 } |
|
|
831 |
|
|
832 return retval; |
|
|
833 } |
|
|
834 |
|
|
835 ComplexRowVector |
|
|
836 octave_value::complex_row_vector_value (bool force_string_conv, |
|
|
837 bool force_vector_conversion) const |
|
|
838 { |
|
|
839 ComplexRowVector retval; |
|
|
840 |
|
|
841 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
842 |
|
|
843 if (error_state) |
|
|
844 return retval; |
|
|
845 |
|
|
846 int nr = m.rows (); |
|
|
847 int nc = m.columns (); |
|
|
848 |
|
|
849 if (nr == 1) |
|
|
850 { |
|
|
851 retval.resize (nc); |
|
|
852 for (int i = 0; i < nc; i++) |
|
|
853 retval (i) = m (0, i); |
|
|
854 } |
|
|
855 else |
|
|
856 { |
|
3523
|
857 std::string tn = type_name (); |
|
3419
|
858 gripe_invalid_conversion (tn.c_str (), "complex row vector"); |
|
|
859 } |
|
|
860 |
|
|
861 return retval; |
|
|
862 } |
|
|
863 |
|
|
864 // Sloppy... |
|
|
865 |
|
|
866 Array<double> |
|
2376
|
867 octave_value::vector_value (bool force_string_conv, |
|
|
868 bool force_vector_conversion) const |
|
|
869 { |
|
3419
|
870 Array<double> retval; |
|
2376
|
871 |
|
|
872 Matrix m = matrix_value (force_string_conv); |
|
|
873 |
|
|
874 if (error_state) |
|
|
875 return retval; |
|
|
876 |
|
|
877 int nr = m.rows (); |
|
|
878 int nc = m.columns (); |
|
|
879 |
|
|
880 if (nr == 1) |
|
|
881 { |
|
|
882 retval.resize (nc); |
|
|
883 for (int i = 0; i < nc; i++) |
|
|
884 retval (i) = m (0, i); |
|
|
885 } |
|
|
886 else if (nc == 1) |
|
|
887 { |
|
|
888 retval.resize (nr); |
|
|
889 for (int i = 0; i < nr; i++) |
|
|
890 retval (i) = m (i, 0); |
|
|
891 } |
|
|
892 else if (nr > 0 && nc > 0 |
|
|
893 && (Vdo_fortran_indexing || force_vector_conversion)) |
|
|
894 { |
|
|
895 retval.resize (nr * nc); |
|
|
896 int k = 0; |
|
|
897 for (int j = 0; j < nc; j++) |
|
|
898 for (int i = 0; i < nr; i++) |
|
|
899 retval (k++) = m (i, j); |
|
|
900 } |
|
|
901 else |
|
|
902 { |
|
3523
|
903 std::string tn = type_name (); |
|
2376
|
904 gripe_invalid_conversion (tn.c_str (), "real vector"); |
|
|
905 } |
|
|
906 |
|
|
907 return retval; |
|
|
908 } |
|
|
909 |
|
4044
|
910 Array<int> |
|
|
911 octave_value::int_vector_value (bool force_string_conv, bool require_int, |
|
|
912 bool force_vector_conversion) const |
|
|
913 { |
|
|
914 Array<int> retval; |
|
|
915 |
|
|
916 Matrix m = matrix_value (force_string_conv); |
|
|
917 |
|
|
918 if (error_state) |
|
|
919 return retval; |
|
|
920 |
|
|
921 int nr = m.rows (); |
|
|
922 int nc = m.columns (); |
|
|
923 |
|
|
924 if (nr == 1) |
|
|
925 { |
|
|
926 retval.resize (nc); |
|
|
927 for (int i = 0; i < nc; i++) |
|
|
928 { |
|
|
929 double d = m (0, i); |
|
|
930 |
|
|
931 if (require_int && D_NINT (d) != d) |
|
|
932 { |
|
|
933 error ("conversion to integer value failed"); |
|
|
934 return retval; |
|
|
935 } |
|
|
936 |
|
|
937 retval (i) = static_cast<int> (d); |
|
|
938 } |
|
|
939 } |
|
|
940 else if (nc == 1) |
|
|
941 { |
|
|
942 retval.resize (nr); |
|
|
943 for (int i = 0; i < nr; i++) |
|
|
944 { |
|
|
945 double d = m (i, 0); |
|
|
946 |
|
|
947 if (require_int && D_NINT (d) != d) |
|
|
948 { |
|
|
949 error ("conversion to integer value failed"); |
|
|
950 return retval; |
|
|
951 } |
|
|
952 |
|
|
953 retval (i) = static_cast<int> (d); |
|
|
954 } |
|
|
955 } |
|
|
956 else if (nr > 0 && nc > 0 |
|
|
957 && (Vdo_fortran_indexing || force_vector_conversion)) |
|
|
958 { |
|
|
959 retval.resize (nr * nc); |
|
|
960 int k = 0; |
|
|
961 for (int j = 0; j < nc; j++) |
|
|
962 { |
|
|
963 for (int i = 0; i < nr; i++) |
|
|
964 { |
|
|
965 double d = m (i, j); |
|
|
966 |
|
|
967 if (require_int && D_NINT (d) != d) |
|
|
968 { |
|
|
969 error ("conversion to integer value failed"); |
|
|
970 return retval; |
|
|
971 } |
|
|
972 |
|
|
973 retval (k++) = static_cast<int> (d); |
|
|
974 } |
|
|
975 } |
|
|
976 } |
|
|
977 else |
|
|
978 { |
|
|
979 std::string tn = type_name (); |
|
|
980 gripe_invalid_conversion (tn.c_str (), "real vector"); |
|
|
981 } |
|
|
982 |
|
|
983 return retval; |
|
|
984 } |
|
|
985 |
|
3419
|
986 Array<Complex> |
|
2376
|
987 octave_value::complex_vector_value (bool force_string_conv, |
|
|
988 bool force_vector_conversion) const |
|
|
989 { |
|
3419
|
990 Array<Complex> retval; |
|
2376
|
991 |
|
|
992 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
993 |
|
|
994 if (error_state) |
|
|
995 return retval; |
|
|
996 |
|
|
997 int nr = m.rows (); |
|
|
998 int nc = m.columns (); |
|
|
999 |
|
|
1000 if (nr == 1) |
|
|
1001 { |
|
|
1002 retval.resize (nc); |
|
|
1003 for (int i = 0; i < nc; i++) |
|
|
1004 retval (i) = m (0, i); |
|
|
1005 } |
|
|
1006 else if (nc == 1) |
|
|
1007 { |
|
|
1008 retval.resize (nr); |
|
|
1009 for (int i = 0; i < nr; i++) |
|
|
1010 retval (i) = m (i, 0); |
|
|
1011 } |
|
|
1012 else if (nr > 0 && nc > 0 |
|
|
1013 && (Vdo_fortran_indexing || force_vector_conversion)) |
|
|
1014 { |
|
|
1015 retval.resize (nr * nc); |
|
|
1016 int k = 0; |
|
|
1017 for (int j = 0; j < nc; j++) |
|
|
1018 for (int i = 0; i < nr; i++) |
|
|
1019 retval (k++) = m (i, j); |
|
|
1020 } |
|
|
1021 else |
|
|
1022 { |
|
3523
|
1023 std::string tn = type_name (); |
|
2376
|
1024 gripe_invalid_conversion (tn.c_str (), "complex vector"); |
|
|
1025 } |
|
|
1026 |
|
|
1027 return retval; |
|
|
1028 } |
|
|
1029 |
|
|
1030 void |
|
4005
|
1031 octave_value::print_with_name (std::ostream& output_buf, |
|
|
1032 const std::string& name, |
|
2903
|
1033 bool print_padding) const |
|
2376
|
1034 { |
|
4005
|
1035 if (! (evaluating_function_body && Vsilent_functions)) |
|
|
1036 { |
|
|
1037 bool pad_after = print_name_tag (output_buf, name); |
|
2376
|
1038 |
|
4005
|
1039 print (output_buf); |
|
2376
|
1040 |
|
4005
|
1041 if (print_padding && pad_after) |
|
|
1042 newline (output_buf); |
|
|
1043 } |
|
2376
|
1044 } |
|
|
1045 |
|
|
1046 static void |
|
3523
|
1047 gripe_indexed_assignment (const std::string& tn1, const std::string& tn2) |
|
2413
|
1048 { |
|
2903
|
1049 error ("assignment of `%s' to indexed `%s' not implemented", |
|
2413
|
1050 tn2.c_str (), tn1.c_str ()); |
|
|
1051 } |
|
|
1052 |
|
|
1053 static void |
|
3933
|
1054 gripe_assign_conversion_failed (const std::string& tn1, |
|
|
1055 const std::string& tn2) |
|
2413
|
1056 { |
|
2903
|
1057 error ("type conversion for assignment of `%s' to indexed `%s' failed", |
|
2413
|
1058 tn2.c_str (), tn1.c_str ()); |
|
|
1059 } |
|
|
1060 |
|
3933
|
1061 octave_value |
|
|
1062 octave_value::numeric_assign (const std::string type, |
|
|
1063 const SLList<octave_value_list>& idx, |
|
2413
|
1064 const octave_value& rhs) |
|
|
1065 { |
|
3933
|
1066 octave_value retval; |
|
2413
|
1067 |
|
|
1068 int t_lhs = type_id (); |
|
|
1069 int t_rhs = rhs.type_id (); |
|
|
1070 |
|
2880
|
1071 assign_op_fcn f |
|
3933
|
1072 = octave_value_typeinfo::lookup_assign_op (op_asn_eq, t_lhs, t_rhs); |
|
|
1073 |
|
|
1074 bool done = false; |
|
2413
|
1075 |
|
|
1076 if (f) |
|
|
1077 { |
|
3933
|
1078 f (*this, idx.front (), rhs.get_rep ()); |
|
2413
|
1079 |
|
3933
|
1080 done = (! error_state); |
|
2413
|
1081 } |
|
3933
|
1082 |
|
|
1083 if (done) |
|
|
1084 retval = octave_value (this, count + 1); |
|
3196
|
1085 else |
|
|
1086 { |
|
3933
|
1087 int t_result |
|
|
1088 = octave_value_typeinfo::lookup_pref_assign_conv (t_lhs, t_rhs); |
|
|
1089 |
|
|
1090 if (t_result >= 0) |
|
|
1091 { |
|
|
1092 type_conv_fcn cf |
|
|
1093 = octave_value_typeinfo::lookup_widening_op (t_lhs, t_result); |
|
|
1094 |
|
|
1095 if (cf) |
|
|
1096 { |
|
|
1097 octave_value *tmp (cf (*this)); |
|
3196
|
1098 |
|
3933
|
1099 if (tmp) |
|
|
1100 { |
|
|
1101 retval = tmp->subsasgn (type, idx, rhs); |
|
|
1102 |
|
|
1103 done = (! error_state); |
|
|
1104 } |
|
|
1105 else |
|
|
1106 gripe_assign_conversion_failed (type_name (), |
|
|
1107 rhs.type_name ()); |
|
|
1108 } |
|
|
1109 else |
|
|
1110 gripe_indexed_assignment (type_name (), rhs.type_name ()); |
|
|
1111 } |
|
|
1112 |
|
|
1113 if (! (done || error_state)) |
|
3196
|
1114 { |
|
3933
|
1115 octave_value tmp_rhs; |
|
|
1116 type_conv_fcn cf_rhs = rhs.numeric_conversion_function (); |
|
|
1117 |
|
|
1118 if (cf_rhs) |
|
|
1119 { |
|
|
1120 octave_value *tmp = cf_rhs (rhs.get_rep ()); |
|
|
1121 |
|
|
1122 if (tmp) |
|
|
1123 tmp_rhs = octave_value (tmp); |
|
|
1124 else |
|
|
1125 { |
|
|
1126 gripe_assign_conversion_failed (type_name (), |
|
|
1127 rhs.type_name ()); |
|
|
1128 return octave_value (); |
|
|
1129 } |
|
|
1130 } |
|
|
1131 else |
|
|
1132 tmp_rhs = rhs; |
|
|
1133 |
|
|
1134 type_conv_fcn cf_this = numeric_conversion_function (); |
|
|
1135 |
|
|
1136 octave_value *tmp_lhs = this; |
|
3196
|
1137 |
|
3933
|
1138 if (cf_this) |
|
|
1139 { |
|
|
1140 octave_value *tmp = cf_this (*this); |
|
|
1141 |
|
|
1142 if (tmp) |
|
|
1143 tmp_lhs = tmp; |
|
|
1144 else |
|
|
1145 { |
|
|
1146 gripe_assign_conversion_failed (type_name (), |
|
|
1147 rhs.type_name ()); |
|
|
1148 return octave_value (); |
|
|
1149 } |
|
|
1150 } |
|
|
1151 |
|
|
1152 if (cf_this || cf_rhs) |
|
|
1153 { |
|
|
1154 retval = tmp_lhs->subsasgn (type, idx, tmp_rhs); |
|
|
1155 |
|
|
1156 done = (! error_state); |
|
|
1157 } |
|
|
1158 else |
|
|
1159 gripe_no_conversion (assign_op_as_string (op_asn_eq), |
|
|
1160 type_name (), rhs.type_name ()); |
|
3196
|
1161 } |
|
|
1162 } |
|
2413
|
1163 |
|
|
1164 return retval; |
|
|
1165 } |
|
|
1166 |
|
|
1167 static void |
|
3933
|
1168 gripe_binary_op (const std::string& on, const std::string& tn1, |
|
|
1169 const std::string& tn2) |
|
2376
|
1170 { |
|
2903
|
1171 error ("binary operator `%s' not implemented for `%s' by `%s' operations", |
|
2376
|
1172 on.c_str (), tn1.c_str (), tn2.c_str ()); |
|
|
1173 } |
|
|
1174 |
|
3203
|
1175 static void |
|
3523
|
1176 gripe_binary_op_conv (const std::string& on) |
|
3203
|
1177 { |
|
|
1178 error ("type conversion failed for binary operator `%s'", on.c_str ()); |
|
|
1179 } |
|
|
1180 |
|
2376
|
1181 octave_value |
|
3933
|
1182 do_binary_op (octave_value::binary_op op, |
|
|
1183 const octave_value& v1, const octave_value& v2) |
|
2376
|
1184 { |
|
|
1185 octave_value retval; |
|
|
1186 |
|
|
1187 int t1 = v1.type_id (); |
|
|
1188 int t2 = v2.type_id (); |
|
|
1189 |
|
2427
|
1190 binary_op_fcn f = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
2376
|
1191 |
|
|
1192 if (f) |
|
|
1193 retval = f (*v1.rep, *v2.rep); |
|
|
1194 else |
|
|
1195 { |
|
|
1196 octave_value tv1; |
|
2427
|
1197 type_conv_fcn cf1 = v1.numeric_conversion_function (); |
|
2376
|
1198 |
|
|
1199 if (cf1) |
|
|
1200 { |
|
3203
|
1201 octave_value *tmp = cf1 (*v1.rep); |
|
|
1202 |
|
|
1203 if (tmp) |
|
|
1204 { |
|
|
1205 tv1 = octave_value (tmp); |
|
|
1206 t1 = tv1.type_id (); |
|
|
1207 } |
|
|
1208 else |
|
|
1209 { |
|
|
1210 gripe_binary_op_conv (octave_value::binary_op_as_string (op)); |
|
|
1211 return retval; |
|
|
1212 } |
|
2376
|
1213 } |
|
|
1214 else |
|
|
1215 tv1 = v1; |
|
|
1216 |
|
|
1217 octave_value tv2; |
|
2427
|
1218 type_conv_fcn cf2 = v2.numeric_conversion_function (); |
|
2376
|
1219 |
|
|
1220 if (cf2) |
|
|
1221 { |
|
3203
|
1222 octave_value *tmp = cf2 (*v2.rep); |
|
|
1223 |
|
|
1224 if (tmp) |
|
|
1225 { |
|
|
1226 tv2 = octave_value (tmp); |
|
|
1227 t2 = tv2.type_id (); |
|
|
1228 } |
|
|
1229 else |
|
|
1230 { |
|
|
1231 gripe_binary_op_conv (octave_value::binary_op_as_string (op)); |
|
|
1232 return retval; |
|
|
1233 } |
|
2376
|
1234 } |
|
|
1235 else |
|
|
1236 tv2 = v2; |
|
|
1237 |
|
|
1238 if (cf1 || cf2) |
|
|
1239 { |
|
2427
|
1240 binary_op_fcn f |
|
2376
|
1241 = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
|
1242 |
|
|
1243 if (f) |
|
|
1244 retval = f (*tv1.rep, *tv2.rep); |
|
|
1245 else |
|
|
1246 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
1247 v1.type_name (), v2.type_name ()); |
|
|
1248 } |
|
|
1249 else |
|
|
1250 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
1251 v1.type_name (), v2.type_name ()); |
|
|
1252 } |
|
|
1253 |
|
|
1254 return retval; |
|
|
1255 } |
|
|
1256 |
|
3933
|
1257 void |
|
|
1258 octave_value::print_info (std::ostream& os, const std::string& prefix) const |
|
|
1259 { |
|
|
1260 os << prefix << "type_name: " << type_name () << "\n" |
|
|
1261 << prefix << "count: " << get_count () << "\n" |
|
|
1262 << prefix << "rep info: "; |
|
|
1263 |
|
|
1264 rep->print_info (os, prefix + " "); |
|
|
1265 } |
|
|
1266 |
|
3203
|
1267 static void |
|
3523
|
1268 gripe_unary_op (const std::string& on, const std::string& tn) |
|
3203
|
1269 { |
|
|
1270 error ("unary operator `%s' not implemented for `%s' operands", |
|
|
1271 on.c_str (), tn.c_str ()); |
|
|
1272 } |
|
|
1273 |
|
|
1274 static void |
|
3523
|
1275 gripe_unary_op_conv (const std::string& on) |
|
3203
|
1276 { |
|
|
1277 error ("type conversion failed for unary operator `%s'", on.c_str ()); |
|
|
1278 } |
|
|
1279 |
|
|
1280 octave_value |
|
|
1281 do_unary_op (octave_value::unary_op op, const octave_value& v) |
|
|
1282 { |
|
|
1283 octave_value retval; |
|
|
1284 |
|
|
1285 int t = v.type_id (); |
|
|
1286 |
|
|
1287 unary_op_fcn f = octave_value_typeinfo::lookup_unary_op (op, t); |
|
|
1288 |
|
|
1289 if (f) |
|
|
1290 retval = f (*v.rep); |
|
|
1291 else |
|
|
1292 { |
|
|
1293 octave_value tv; |
|
|
1294 type_conv_fcn cf = v.numeric_conversion_function (); |
|
|
1295 |
|
|
1296 if (cf) |
|
|
1297 { |
|
|
1298 octave_value *tmp = cf (*v.rep); |
|
|
1299 |
|
|
1300 if (tmp) |
|
|
1301 { |
|
|
1302 tv = octave_value (tmp); |
|
|
1303 t = tv.type_id (); |
|
|
1304 |
|
|
1305 unary_op_fcn f = octave_value_typeinfo::lookup_unary_op (op, t); |
|
|
1306 |
|
|
1307 if (f) |
|
|
1308 retval = f (*tv.rep); |
|
|
1309 else |
|
|
1310 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1311 v.type_name ()); |
|
|
1312 } |
|
|
1313 else |
|
|
1314 gripe_unary_op_conv (octave_value::unary_op_as_string (op)); |
|
|
1315 } |
|
|
1316 else |
|
|
1317 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1318 v.type_name ()); |
|
|
1319 } |
|
|
1320 |
|
|
1321 return retval; |
|
|
1322 } |
|
|
1323 |
|
|
1324 static void |
|
3933
|
1325 gripe_unary_op_conversion_failed (const std::string& op, |
|
|
1326 const std::string& tn) |
|
3203
|
1327 { |
|
|
1328 error ("operator %s: type conversion for `%s' failed", |
|
|
1329 op.c_str (), tn.c_str ()); |
|
|
1330 } |
|
|
1331 |
|
3933
|
1332 const octave_value& |
|
|
1333 octave_value::do_non_const_unary_op (unary_op op) |
|
3203
|
1334 { |
|
|
1335 octave_value retval; |
|
|
1336 |
|
|
1337 int t = type_id (); |
|
|
1338 |
|
|
1339 non_const_unary_op_fcn f |
|
|
1340 = octave_value_typeinfo::lookup_non_const_unary_op (op, t); |
|
|
1341 |
|
|
1342 if (f) |
|
|
1343 { |
|
|
1344 make_unique (); |
|
|
1345 |
|
|
1346 f (*rep); |
|
|
1347 } |
|
|
1348 else |
|
|
1349 { |
|
|
1350 type_conv_fcn cf = numeric_conversion_function (); |
|
|
1351 |
|
|
1352 if (cf) |
|
|
1353 { |
|
|
1354 octave_value *tmp = cf (*rep); |
|
|
1355 |
|
|
1356 if (tmp) |
|
|
1357 { |
|
|
1358 octave_value *old_rep = rep; |
|
|
1359 rep = tmp; |
|
|
1360 rep->count = 1; |
|
|
1361 |
|
|
1362 t = type_id (); |
|
|
1363 |
|
|
1364 f = octave_value_typeinfo::lookup_non_const_unary_op (op, t); |
|
|
1365 |
|
|
1366 if (f) |
|
|
1367 { |
|
|
1368 f (*rep); |
|
|
1369 |
|
|
1370 if (old_rep && --old_rep->count == 0) |
|
|
1371 delete old_rep; |
|
|
1372 } |
|
|
1373 else |
|
|
1374 { |
|
|
1375 if (old_rep) |
|
|
1376 { |
|
|
1377 if (--rep->count == 0) |
|
|
1378 delete rep; |
|
|
1379 |
|
|
1380 rep = old_rep; |
|
|
1381 } |
|
|
1382 |
|
|
1383 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1384 type_name ()); |
|
|
1385 } |
|
|
1386 } |
|
|
1387 else |
|
|
1388 gripe_unary_op_conversion_failed |
|
|
1389 (octave_value::unary_op_as_string (op), type_name ()); |
|
|
1390 } |
|
|
1391 else |
|
|
1392 gripe_unary_op (octave_value::unary_op_as_string (op), type_name ()); |
|
|
1393 } |
|
3933
|
1394 |
|
|
1395 return *this; |
|
3203
|
1396 } |
|
|
1397 |
|
3933
|
1398 #if 0 |
|
3205
|
1399 static void |
|
3933
|
1400 gripe_unary_op_failed_or_no_method (const std::string& on, |
|
|
1401 const std::string& tn) |
|
3205
|
1402 { |
|
|
1403 error ("operator %s: no method, or unable to evaluate for %s operand", |
|
|
1404 on.c_str (), tn.c_str ()); |
|
|
1405 } |
|
3933
|
1406 #endif |
|
3205
|
1407 |
|
|
1408 void |
|
3933
|
1409 octave_value::do_non_const_unary_op (unary_op op, const octave_value_list& idx) |
|
3205
|
1410 { |
|
3933
|
1411 abort (); |
|
|
1412 } |
|
|
1413 |
|
|
1414 octave_value |
|
|
1415 octave_value::do_non_const_unary_op (unary_op op, const std::string type, |
|
|
1416 const SLList<octave_value_list>& idx) |
|
|
1417 { |
|
|
1418 octave_value retval; |
|
|
1419 |
|
|
1420 if (idx.empty ()) |
|
|
1421 { |
|
|
1422 do_non_const_unary_op (op); |
|
3205
|
1423 |
|
3933
|
1424 retval = *this; |
|
|
1425 } |
|
|
1426 else |
|
|
1427 { |
|
|
1428 // XXX FIXME XXX -- only do the following stuff if we can't find a |
|
|
1429 // specific function to call to handle the op= operation for the |
|
|
1430 // types we have. |
|
3205
|
1431 |
|
3933
|
1432 assign_op assop = unary_op_to_assign_op (op); |
|
|
1433 |
|
|
1434 retval = assign (assop, type, idx, 1.0); |
|
|
1435 } |
|
|
1436 |
|
|
1437 return retval; |
|
3205
|
1438 } |
|
|
1439 |
|
2903
|
1440 // Current indentation. |
|
|
1441 int octave_value::curr_print_indent_level = 0; |
|
|
1442 |
|
3018
|
1443 // TRUE means we are at the beginning of a line. |
|
2903
|
1444 bool octave_value::beginning_of_line = true; |
|
|
1445 |
|
|
1446 // Each print() function should call this before printing anything. |
|
|
1447 // |
|
|
1448 // This doesn't need to be fast, but isn't there a better way? |
|
|
1449 |
|
|
1450 void |
|
3523
|
1451 octave_value::indent (std::ostream& os) const |
|
2903
|
1452 { |
|
|
1453 assert (curr_print_indent_level >= 0); |
|
|
1454 |
|
|
1455 if (beginning_of_line) |
|
|
1456 { |
|
|
1457 // XXX FIXME XXX -- do we need this? |
|
|
1458 // os << prefix; |
|
|
1459 |
|
|
1460 for (int i = 0; i < curr_print_indent_level; i++) |
|
|
1461 os << " "; |
|
|
1462 |
|
|
1463 beginning_of_line = false; |
|
|
1464 } |
|
|
1465 } |
|
|
1466 |
|
|
1467 // All print() functions should use this to print new lines. |
|
|
1468 |
|
|
1469 void |
|
3523
|
1470 octave_value::newline (std::ostream& os) const |
|
2903
|
1471 { |
|
|
1472 os << "\n"; |
|
|
1473 |
|
|
1474 beginning_of_line = true; |
|
|
1475 } |
|
|
1476 |
|
|
1477 // For ressetting print state. |
|
|
1478 |
|
|
1479 void |
|
|
1480 octave_value::reset (void) const |
|
|
1481 { |
|
|
1482 beginning_of_line = true; |
|
|
1483 curr_print_indent_level = 0; |
|
|
1484 } |
|
|
1485 |
|
3205
|
1486 octave_value::assign_op |
|
|
1487 octave_value::unary_op_to_assign_op (unary_op op) |
|
|
1488 { |
|
|
1489 assign_op binop = unknown_assign_op; |
|
|
1490 |
|
|
1491 switch (op) |
|
|
1492 { |
|
3533
|
1493 case op_incr: |
|
|
1494 binop = op_add_eq; |
|
3205
|
1495 break; |
|
|
1496 |
|
3533
|
1497 case op_decr: |
|
|
1498 binop = op_sub_eq; |
|
3205
|
1499 break; |
|
|
1500 |
|
|
1501 default: |
|
|
1502 { |
|
3523
|
1503 std::string on = unary_op_as_string (op); |
|
3205
|
1504 error ("operator %s: no assign operator found", on.c_str ()); |
|
|
1505 } |
|
|
1506 } |
|
|
1507 |
|
|
1508 return binop; |
|
|
1509 } |
|
|
1510 |
|
3204
|
1511 octave_value::binary_op |
|
|
1512 octave_value::op_eq_to_binary_op (assign_op op) |
|
|
1513 { |
|
|
1514 binary_op binop = unknown_binary_op; |
|
|
1515 |
|
|
1516 switch (op) |
|
|
1517 { |
|
3533
|
1518 case op_add_eq: |
|
|
1519 binop = op_add; |
|
3204
|
1520 break; |
|
|
1521 |
|
3533
|
1522 case op_sub_eq: |
|
|
1523 binop = op_sub; |
|
3204
|
1524 break; |
|
|
1525 |
|
3533
|
1526 case op_mul_eq: |
|
|
1527 binop = op_mul; |
|
3204
|
1528 break; |
|
|
1529 |
|
3533
|
1530 case op_div_eq: |
|
|
1531 binop = op_div; |
|
3204
|
1532 break; |
|
|
1533 |
|
3533
|
1534 case op_ldiv_eq: |
|
|
1535 binop = op_ldiv; |
|
3204
|
1536 break; |
|
|
1537 |
|
4018
|
1538 case op_pow_eq: |
|
|
1539 binop = op_pow; |
|
|
1540 break; |
|
|
1541 |
|
3533
|
1542 case op_lshift_eq: |
|
|
1543 binop = op_lshift; |
|
3204
|
1544 break; |
|
|
1545 |
|
3533
|
1546 case op_rshift_eq: |
|
|
1547 binop = op_rshift; |
|
3204
|
1548 break; |
|
|
1549 |
|
3533
|
1550 case op_el_mul_eq: |
|
|
1551 binop = op_el_mul; |
|
3204
|
1552 break; |
|
|
1553 |
|
3533
|
1554 case op_el_div_eq: |
|
|
1555 binop = op_el_div; |
|
3204
|
1556 break; |
|
|
1557 |
|
3533
|
1558 case op_el_ldiv_eq: |
|
|
1559 binop = op_el_ldiv; |
|
3204
|
1560 break; |
|
|
1561 |
|
4018
|
1562 case op_el_pow_eq: |
|
|
1563 binop = op_el_pow; |
|
|
1564 break; |
|
|
1565 |
|
3533
|
1566 case op_el_and_eq: |
|
|
1567 binop = op_el_and; |
|
3204
|
1568 break; |
|
|
1569 |
|
3533
|
1570 case op_el_or_eq: |
|
|
1571 binop = op_el_or; |
|
3204
|
1572 break; |
|
|
1573 |
|
|
1574 default: |
|
|
1575 { |
|
3523
|
1576 std::string on = assign_op_as_string (op); |
|
3204
|
1577 error ("operator %s: no binary operator found", on.c_str ()); |
|
|
1578 } |
|
|
1579 } |
|
|
1580 |
|
|
1581 return binop; |
|
|
1582 } |
|
|
1583 |
|
3933
|
1584 octave_value |
|
|
1585 octave_value::empty_conv (const std::string& type, const octave_value& rhs) |
|
|
1586 { |
|
|
1587 octave_value retval; |
|
|
1588 |
|
|
1589 if (type.length () > 0) |
|
|
1590 { |
|
|
1591 switch (type[0]) |
|
|
1592 { |
|
|
1593 case '(': |
|
|
1594 { |
|
|
1595 if (type.length () > 1 && type[1] == '.') |
|
|
1596 retval = Octave_map (); |
|
|
1597 else |
|
|
1598 retval = octave_value (rhs.empty_clone ()); |
|
|
1599 } |
|
|
1600 break; |
|
|
1601 |
|
|
1602 case '{': |
|
|
1603 retval = Cell (); |
|
|
1604 break; |
|
|
1605 |
|
|
1606 case '.': |
|
|
1607 retval = Octave_map (); |
|
|
1608 break; |
|
|
1609 |
|
|
1610 default: |
|
|
1611 panic_impossible (); |
|
|
1612 } |
|
|
1613 } |
|
|
1614 else |
|
|
1615 retval = octave_value (rhs.empty_clone ()); |
|
|
1616 |
|
|
1617 return retval; |
|
|
1618 } |
|
|
1619 |
|
2376
|
1620 void |
|
|
1621 install_types (void) |
|
|
1622 { |
|
|
1623 octave_base_value::register_type (); |
|
3928
|
1624 octave_cell::register_type (); |
|
2376
|
1625 octave_scalar::register_type (); |
|
|
1626 octave_complex::register_type (); |
|
|
1627 octave_matrix::register_type (); |
|
|
1628 octave_complex_matrix::register_type (); |
|
|
1629 octave_range::register_type (); |
|
2825
|
1630 octave_bool::register_type (); |
|
|
1631 octave_bool_matrix::register_type (); |
|
2376
|
1632 octave_char_matrix::register_type (); |
|
|
1633 octave_char_matrix_str::register_type (); |
|
|
1634 octave_struct::register_type (); |
|
2903
|
1635 octave_file::register_type (); |
|
2880
|
1636 octave_list::register_type (); |
|
3977
|
1637 octave_cs_list::register_type (); |
|
2376
|
1638 octave_all_va_args::register_type (); |
|
|
1639 octave_magic_colon::register_type (); |
|
2974
|
1640 octave_builtin::register_type (); |
|
|
1641 octave_mapper::register_type (); |
|
|
1642 octave_user_function::register_type (); |
|
2376
|
1643 } |
|
|
1644 |
|
|
1645 static int |
|
|
1646 do_fortran_indexing (void) |
|
|
1647 { |
|
|
1648 Vdo_fortran_indexing = check_preference ("do_fortran_indexing"); |
|
|
1649 |
|
|
1650 liboctave_dfi_flag = Vdo_fortran_indexing; |
|
|
1651 |
|
|
1652 return 0; |
|
|
1653 } |
|
|
1654 |
|
|
1655 static int |
|
|
1656 implicit_str_to_num_ok (void) |
|
|
1657 { |
|
|
1658 Vimplicit_str_to_num_ok = check_preference ("implicit_str_to_num_ok"); |
|
|
1659 |
|
|
1660 return 0; |
|
|
1661 } |
|
|
1662 |
|
|
1663 static int |
|
|
1664 ok_to_lose_imaginary_part (void) |
|
|
1665 { |
|
|
1666 Vok_to_lose_imaginary_part = check_preference ("ok_to_lose_imaginary_part"); |
|
|
1667 |
|
|
1668 return 0; |
|
|
1669 } |
|
|
1670 |
|
|
1671 static int |
|
|
1672 prefer_column_vectors (void) |
|
|
1673 { |
|
|
1674 Vprefer_column_vectors |
|
|
1675 = check_preference ("prefer_column_vectors"); |
|
|
1676 |
|
|
1677 liboctave_pcv_flag = Vprefer_column_vectors; |
|
|
1678 |
|
|
1679 return 0; |
|
|
1680 } |
|
|
1681 |
|
|
1682 static int |
|
|
1683 print_answer_id_name (void) |
|
|
1684 { |
|
|
1685 Vprint_answer_id_name = check_preference ("print_answer_id_name"); |
|
|
1686 |
|
|
1687 return 0; |
|
|
1688 } |
|
|
1689 |
|
|
1690 static int |
|
|
1691 propagate_empty_matrices (void) |
|
|
1692 { |
|
|
1693 Vpropagate_empty_matrices = check_preference ("propagate_empty_matrices"); |
|
|
1694 |
|
|
1695 return 0; |
|
|
1696 } |
|
|
1697 |
|
|
1698 static int |
|
|
1699 resize_on_range_error (void) |
|
|
1700 { |
|
|
1701 Vresize_on_range_error = check_preference ("resize_on_range_error"); |
|
|
1702 |
|
|
1703 liboctave_rre_flag = Vresize_on_range_error; |
|
|
1704 |
|
|
1705 return 0; |
|
|
1706 } |
|
|
1707 |
|
|
1708 static int |
|
4005
|
1709 silent_functions (void) |
|
|
1710 { |
|
|
1711 Vsilent_functions = check_preference ("silent_functions"); |
|
|
1712 |
|
|
1713 return 0; |
|
|
1714 } |
|
|
1715 |
|
|
1716 static int |
|
2376
|
1717 struct_levels_to_print (void) |
|
|
1718 { |
|
|
1719 double val; |
|
|
1720 if (builtin_real_scalar_variable ("struct_levels_to_print", val) |
|
|
1721 && ! xisnan (val)) |
|
|
1722 { |
|
|
1723 int ival = NINT (val); |
|
3961
|
1724 if (ival == val) |
|
2376
|
1725 { |
|
|
1726 Vstruct_levels_to_print = ival; |
|
|
1727 return 0; |
|
|
1728 } |
|
|
1729 } |
|
|
1730 gripe_invalid_value_specified ("struct_levels_to_print"); |
|
|
1731 return -1; |
|
|
1732 } |
|
|
1733 |
|
|
1734 static int |
|
|
1735 warn_divide_by_zero (void) |
|
|
1736 { |
|
|
1737 Vwarn_divide_by_zero = check_preference ("warn_divide_by_zero"); |
|
|
1738 |
|
|
1739 return 0; |
|
|
1740 } |
|
|
1741 |
|
|
1742 void |
|
2909
|
1743 symbols_of_ov (void) |
|
2376
|
1744 { |
|
3258
|
1745 DEFVAR (do_fortran_indexing, 0.0, do_fortran_indexing, |
|
3371
|
1746 "-*- texinfo -*-\n\ |
|
|
1747 @defvr {Built-in Variable} do_fortran_indexing\n\ |
|
|
1748 If the value of @code{do_fortran_indexing} is nonzero, Octave allows \n\ |
|
|
1749 you to select elements of a two-dimensional matrix using a single index\n\ |
|
|
1750 by treating the matrix as a single vector created from the columns of\n\ |
|
|
1751 the matrix. The default value is 0. \n\ |
|
|
1752 @end defvr"); |
|
2376
|
1753 |
|
3258
|
1754 DEFVAR (implicit_str_to_num_ok, 0.0, implicit_str_to_num_ok, |
|
3361
|
1755 "-*- texinfo -*-\n\ |
|
|
1756 @defvr {Built-in Variable} implicit_str_to_num_ok\n\ |
|
|
1757 If the value of @code{implicit_str_to_num_ok} is nonzero, implicit\n\ |
|
|
1758 conversions of strings to their numeric ASCII equivalents are allowed.\n\ |
|
|
1759 Otherwise, an error message is printed and control is returned to the\n\ |
|
|
1760 top level. The default value is 0.\n\ |
|
3363
|
1761 @end defvr"); |
|
2376
|
1762 |
|
3258
|
1763 DEFVAR (ok_to_lose_imaginary_part, "warn", ok_to_lose_imaginary_part, |
|
3370
|
1764 "-*- texinfo -*-\n\ |
|
|
1765 @defvr {Built-in Variable} ok_to_lose_imaginary_part\n\ |
|
|
1766 If the value of @code{ok_to_lose_imaginary_part} is nonzero, implicit\n\ |
|
|
1767 conversions of complex numbers to real numbers are allowed (for example,\n\ |
|
|
1768 by fsolve). If the value is @code{\"warn\"}, the conversion is allowed,\n\ |
|
|
1769 but a warning is printed. Otherwise, an error message is printed and\n\ |
|
|
1770 control is returned to the top level. The default value is\n\ |
|
|
1771 @code{\"warn\"}.\n\ |
|
|
1772 @end defvr"); |
|
2376
|
1773 |
|
3258
|
1774 DEFVAR (prefer_column_vectors, 1.0, prefer_column_vectors, |
|
3371
|
1775 "-*- texinfo -*-\n\ |
|
|
1776 @defvr {Built-in Variable} prefer_column_vectors\n\ |
|
|
1777 If @code{prefer_column_vectors} is nonzero, operations like\n\ |
|
|
1778 \n\ |
|
|
1779 @example\n\ |
|
|
1780 for i = 1:10\n\ |
|
|
1781 a (i) = i;\n\ |
|
|
1782 endfor\n\ |
|
|
1783 @end example\n\ |
|
|
1784 \n\ |
|
|
1785 @noindent\n\ |
|
|
1786 (for @code{a} previously undefined) produce column vectors. Otherwise, row\n\ |
|
|
1787 vectors are preferred. The default value is 1.\n\ |
|
|
1788 \n\ |
|
|
1789 If a variable is already defined to be a vector (a matrix with a single\n\ |
|
|
1790 row or column), the original orientation is respected, regardless of the\n\ |
|
|
1791 value of @code{prefer_column_vectors}.\n\ |
|
|
1792 @end defvr"); |
|
2376
|
1793 |
|
3258
|
1794 DEFVAR (print_answer_id_name, 1.0, print_answer_id_name, |
|
3372
|
1795 "-*- texinfo -*-\n\ |
|
|
1796 @defvr {Built-in Variable} print_answer_id_name\n\ |
|
|
1797 If the value of @code{print_answer_id_name} is nonzero, variable\n\ |
|
|
1798 names are printed along with the result. Otherwise, only the result\n\ |
|
|
1799 values are printed. The default value is 1.\n\ |
|
|
1800 @end defvr"); |
|
2376
|
1801 |
|
3258
|
1802 DEFVAR (propagate_empty_matrices, 1.0, propagate_empty_matrices, |
|
3321
|
1803 "-*- texinfo -*-\n\ |
|
|
1804 @defvr {Built-in Variable} propagate_empty_matrices\n\ |
|
|
1805 If the value of @code{propagate_empty_matrices} is nonzero,\n\ |
|
|
1806 functions like @code{inverse} and @code{svd} will return an empty matrix\n\ |
|
|
1807 if they are given one as an argument. The default value is 1.\n\ |
|
3333
|
1808 @end defvr"); |
|
2376
|
1809 |
|
3258
|
1810 DEFVAR (resize_on_range_error, 1.0, resize_on_range_error, |
|
3371
|
1811 "-*- texinfo -*-\n\ |
|
|
1812 @defvr {Built-in Variable} resize_on_range_error\n\ |
|
|
1813 If the value of @code{resize_on_range_error} is nonzero, expressions\n\ |
|
|
1814 like\n\ |
|
|
1815 \n\ |
|
|
1816 @example\n\ |
|
|
1817 for i = 1:10\n\ |
|
|
1818 a (i) = sqrt (i);\n\ |
|
|
1819 endfor\n\ |
|
|
1820 @end example\n\ |
|
|
1821 \n\ |
|
|
1822 @noindent\n\ |
|
|
1823 (for @code{a} previously undefined) result in the variable @code{a}\n\ |
|
|
1824 being resized to be just large enough to hold the new value. New\n\ |
|
|
1825 elements that have not been given a value are set to zero. If the value\n\ |
|
|
1826 of @code{resize_on_range_error} is 0, an error message is printed and\n\ |
|
|
1827 control is returned to the top level. The default value is 1.\n\ |
|
|
1828 @end defvr"); |
|
2376
|
1829 |
|
4005
|
1830 DEFVAR (silent_functions, 0.0, silent_functions, |
|
|
1831 "-*- texinfo -*-\n\ |
|
|
1832 @defvr {Built-in Variable} silent_functions\n\ |
|
|
1833 If the value of @code{silent_functions} is nonzero, internal output\n\ |
|
|
1834 from a function is suppressed. Otherwise, the results of expressions\n\ |
|
|
1835 within a function body that are not terminated with a semicolon will\n\ |
|
|
1836 have their values printed. The default value is 0.\n\ |
|
|
1837 \n\ |
|
|
1838 For example, if the function\n\ |
|
|
1839 \n\ |
|
|
1840 @example\n\ |
|
|
1841 function f ()\n\ |
|
|
1842 2 + 2\n\ |
|
|
1843 endfunction\n\ |
|
|
1844 @end example\n\ |
|
|
1845 \n\ |
|
|
1846 @noindent\n\ |
|
|
1847 is executed, Octave will either print @samp{ans = 4} or nothing\n\ |
|
|
1848 depending on the value of @code{silent_functions}.\n\ |
|
|
1849 @end defvr"); |
|
|
1850 |
|
3258
|
1851 DEFVAR (struct_levels_to_print, 2.0, struct_levels_to_print, |
|
3361
|
1852 "-*- texinfo -*-\n\ |
|
|
1853 @defvr {Built-in Variable} struct_levels_to_print\n\ |
|
|
1854 You can tell Octave how many structure levels to display by setting the\n\ |
|
|
1855 built-in variable @code{struct_levels_to_print}. The default value is 2.\n\ |
|
3363
|
1856 @end defvr"); |
|
2376
|
1857 |
|
3258
|
1858 DEFVAR (warn_divide_by_zero, 1.0, warn_divide_by_zero, |
|
3371
|
1859 "-*- texinfo -*-\n\ |
|
|
1860 @defvr {Built-in Variable} warn_divide_by_zero\n\ |
|
|
1861 If the value of @code{warn_divide_by_zero} is nonzero, a warning\n\ |
|
|
1862 is issued when Octave encounters a division by zero. If the value is\n\ |
|
|
1863 0, the warning is omitted. The default value is 1.\n\ |
|
|
1864 @end defvr"); |
|
2376
|
1865 } |
|
|
1866 |
|
|
1867 /* |
|
|
1868 ;;; Local Variables: *** |
|
|
1869 ;;; mode: C++ *** |
|
|
1870 ;;; End: *** |
|
|
1871 */ |
