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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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2979
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35 #include "oct-lvalue.h" |
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36 #include "ov.h" |
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37 #include "ov-base.h" |
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38 #include "ov-bool.h" |
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39 #include "ov-bool-mat.h" |
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40 #include "ov-cell.h" |
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41 #include "ov-scalar.h" |
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42 #include "ov-re-mat.h" |
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43 #include "ov-complex.h" |
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44 #include "ov-cx-mat.h" |
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45 #include "ov-ch-mat.h" |
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46 #include "ov-str-mat.h" |
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47 #include "ov-range.h" |
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48 #include "ov-struct.h" |
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49 #include "ov-file.h" |
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50 #include "ov-list.h" |
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51 #include "ov-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 "pr-output.h" |
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63 #include "utils.h" |
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64 #include "variables.h" |
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65 |
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66 // We are likely to have a lot of octave_value objects to allocate, so |
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67 // make the grow_size large. |
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68 DEFINE_OCTAVE_ALLOCATOR2(octave_value, 1024); |
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69 |
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70 // If TRUE, allow assignments like |
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71 // |
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72 // octave> A(1) = 3; A(2) = 5 |
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73 // |
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74 // for A already defined and a matrix type. |
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75 bool Vdo_fortran_indexing; |
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76 |
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77 // Should we allow things like: |
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78 // |
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79 // octave> 'abc' + 0 |
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80 // 97 98 99 |
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81 // |
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82 // to happen? A positive value means yes. A negative value means |
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83 // yes, but print a warning message. Zero means it should be |
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84 // considered an error. |
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85 int Vimplicit_str_to_num_ok; |
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86 |
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87 // Should we allow silent conversion of complex to real when a real |
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88 // type is what we're really looking for? A positive value means yes. |
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89 // A negative value means yes, but print a warning message. Zero |
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90 // means it should be considered an error. |
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91 int Vok_to_lose_imaginary_part; |
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92 |
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93 // If TRUE, create column vectors when doing assignments like: |
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94 // |
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95 // octave> A(1) = 3; A(2) = 5 |
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96 // |
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97 // (for A undefined). Only matters when resize_on_range_error is also |
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98 // TRUE. |
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99 static bool Vprefer_column_vectors; |
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100 |
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101 // If TRUE, print the name along with the value. |
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102 bool Vprint_answer_id_name; |
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103 |
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104 // Should operations on empty matrices return empty matrices or an |
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105 // error? A positive value means yes. A negative value means yes, |
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106 // but print a warning message. Zero means it should be considered an |
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107 // error. |
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108 int Vpropagate_empty_matrices; |
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109 |
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110 // How many levels of structure elements should we print? |
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111 int Vstruct_levels_to_print; |
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112 |
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113 // Allow divide by zero errors to be suppressed. |
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114 bool Vwarn_divide_by_zero; |
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115 |
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116 // If TRUE, resize matrices when performing and indexed assignment and |
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117 // the indices are outside the current bounds. |
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118 bool Vresize_on_range_error; |
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119 |
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120 // XXX FIXME XXX |
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121 |
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122 // Octave's value type. |
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123 |
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124 std::string |
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125 octave_value::unary_op_as_string (unary_op op) |
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126 { |
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127 std::string retval; |
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128 |
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129 switch (op) |
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130 { |
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131 case op_not: |
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132 retval = "!"; |
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133 break; |
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134 |
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135 case op_uminus: |
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136 retval = "-"; |
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137 break; |
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138 |
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139 case op_transpose: |
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140 retval = ".'"; |
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141 break; |
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142 |
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143 case op_hermitian: |
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144 retval = "'"; |
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145 break; |
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146 |
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147 case op_incr: |
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148 retval = "++"; |
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149 break; |
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150 |
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151 case op_decr: |
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152 retval = "--"; |
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153 break; |
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154 |
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155 default: |
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156 retval = "<unknown>"; |
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157 } |
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158 |
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159 return retval; |
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160 } |
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161 |
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162 std::string |
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163 octave_value::binary_op_as_string (binary_op op) |
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164 { |
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165 std::string retval; |
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166 |
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167 switch (op) |
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168 { |
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169 case op_add: |
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170 retval = "+"; |
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171 break; |
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172 |
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173 case op_sub: |
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174 retval = "-"; |
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175 break; |
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176 |
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177 case op_mul: |
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178 retval = "*"; |
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179 break; |
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180 |
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181 case op_div: |
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182 retval = "/"; |
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183 break; |
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184 |
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185 case op_pow: |
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186 retval = "^"; |
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187 break; |
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188 |
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189 case op_ldiv: |
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190 retval = "\\"; |
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191 break; |
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192 |
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193 case op_lshift: |
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194 retval = "<<"; |
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195 break; |
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196 |
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197 case op_rshift: |
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198 retval = ">>"; |
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199 break; |
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200 |
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201 case op_lt: |
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202 retval = "<"; |
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203 break; |
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204 |
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205 case op_le: |
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206 retval = "<="; |
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207 break; |
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208 |
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209 case op_eq: |
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210 retval = "=="; |
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211 break; |
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212 |
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213 case op_ge: |
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214 retval = ">="; |
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215 break; |
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216 |
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217 case op_gt: |
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218 retval = ">"; |
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219 break; |
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220 |
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221 case op_ne: |
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222 retval = "!="; |
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223 break; |
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224 |
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225 case op_el_mul: |
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226 retval = ".*"; |
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227 break; |
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228 |
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229 case op_el_div: |
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230 retval = "./"; |
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231 break; |
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232 |
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233 case op_el_pow: |
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234 retval = ".^"; |
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235 break; |
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236 |
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237 case op_el_ldiv: |
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238 retval = ".\\"; |
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239 break; |
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240 |
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241 case op_el_and: |
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242 retval = "&"; |
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243 break; |
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244 |
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245 case op_el_or: |
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246 retval = "|"; |
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247 break; |
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248 |
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249 case op_struct_ref: |
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250 retval = "."; |
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251 break; |
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252 |
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253 default: |
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254 retval = "<unknown>"; |
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255 } |
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256 |
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257 return retval; |
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258 } |
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259 |
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260 std::string |
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261 octave_value::assign_op_as_string (assign_op op) |
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262 { |
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263 std::string retval; |
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264 |
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265 switch (op) |
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266 { |
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267 case op_asn_eq: |
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268 retval = "="; |
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269 break; |
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270 |
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271 case op_add_eq: |
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272 retval = "+="; |
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273 break; |
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274 |
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275 case op_sub_eq: |
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276 retval = "-="; |
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277 break; |
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278 |
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279 case op_mul_eq: |
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280 retval = "*="; |
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281 break; |
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282 |
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283 case op_div_eq: |
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284 retval = "/="; |
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285 break; |
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286 |
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287 case op_ldiv_eq: |
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288 retval = "\\="; |
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289 break; |
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290 |
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291 case op_lshift_eq: |
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292 retval = "<<="; |
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293 break; |
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294 |
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295 case op_rshift_eq: |
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296 retval = ">>="; |
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297 break; |
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298 |
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299 case op_el_mul_eq: |
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300 retval = ".*="; |
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301 break; |
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302 |
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303 case op_el_div_eq: |
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304 retval = "./="; |
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305 break; |
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306 |
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307 case op_el_ldiv_eq: |
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308 retval = ".\\="; |
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309 break; |
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310 |
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311 case op_el_and_eq: |
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312 retval = "&="; |
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313 break; |
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314 |
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315 case op_el_or_eq: |
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316 retval = "|="; |
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317 break; |
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318 |
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319 default: |
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320 retval = "<unknown>"; |
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321 } |
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322 |
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323 return retval; |
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324 } |
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325 |
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326 octave_value::octave_value (void) |
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327 : rep (new octave_base_value ()) |
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328 { |
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329 rep->count = 1; |
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330 } |
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331 |
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332 octave_value::octave_value (double d) |
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333 : rep (new octave_scalar (d)) |
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334 { |
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335 rep->count = 1; |
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336 } |
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337 |
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338 octave_value::octave_value (const Cell& c) |
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339 : rep (new octave_cell (c)) |
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340 { |
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341 rep->count = 1; |
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342 maybe_mutate (); |
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343 } |
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344 |
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345 octave_value::octave_value (const Matrix& m) |
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346 : rep (new octave_matrix (m)) |
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347 { |
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348 rep->count = 1; |
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349 maybe_mutate (); |
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350 } |
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351 |
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352 octave_value::octave_value (const DiagMatrix& d) |
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353 : rep (new octave_matrix (d)) |
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354 { |
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355 rep->count = 1; |
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356 maybe_mutate (); |
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357 } |
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358 |
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359 octave_value::octave_value (const RowVector& v) |
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360 : rep (new octave_matrix (v)) |
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361 { |
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362 rep->count = 1; |
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363 maybe_mutate (); |
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364 } |
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365 |
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366 octave_value::octave_value (const ColumnVector& v) |
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367 : rep (new octave_matrix (v)) |
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368 { |
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369 rep->count = 1; |
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370 maybe_mutate (); |
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371 } |
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372 |
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373 octave_value::octave_value (const Complex& C) |
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374 : rep (new octave_complex (C)) |
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375 { |
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376 rep->count = 1; |
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377 maybe_mutate (); |
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378 } |
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379 |
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380 octave_value::octave_value (const ComplexMatrix& m) |
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381 : rep (new octave_complex_matrix (m)) |
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382 { |
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383 rep->count = 1; |
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384 maybe_mutate (); |
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385 } |
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386 |
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387 octave_value::octave_value (const ComplexDiagMatrix& d) |
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388 : rep (new octave_complex_matrix (d)) |
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389 { |
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390 rep->count = 1; |
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391 maybe_mutate (); |
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392 } |
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393 |
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394 octave_value::octave_value (const ComplexRowVector& v) |
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395 : rep (new octave_complex_matrix (v)) |
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396 { |
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397 rep->count = 1; |
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398 maybe_mutate (); |
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399 } |
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400 |
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401 octave_value::octave_value (const ComplexColumnVector& v) |
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402 : rep (new octave_complex_matrix (v)) |
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403 { |
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404 rep->count = 1; |
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405 maybe_mutate (); |
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406 } |
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407 |
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408 octave_value::octave_value (bool b) |
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409 : rep (new octave_bool (b)) |
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410 { |
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411 rep->count = 1; |
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412 } |
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413 |
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414 octave_value::octave_value (const boolMatrix& bm) |
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415 : rep (new octave_bool_matrix (bm)) |
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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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3189
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421 octave_value::octave_value (char c) |
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422 : rep (new octave_char_matrix_str (c)) |
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423 { |
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424 rep->count = 1; |
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425 maybe_mutate (); |
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426 } |
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427 |
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428 octave_value::octave_value (const char *s) |
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429 : rep (new octave_char_matrix_str (s)) |
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430 { |
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431 rep->count = 1; |
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432 maybe_mutate (); |
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433 } |
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434 |
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435 octave_value::octave_value (const std::string& s) |
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436 : rep (new octave_char_matrix_str (s)) |
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437 { |
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438 rep->count = 1; |
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439 maybe_mutate (); |
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440 } |
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441 |
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442 octave_value::octave_value (const string_vector& s) |
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443 : rep (new octave_char_matrix_str (s)) |
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444 { |
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445 rep->count = 1; |
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446 maybe_mutate (); |
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447 } |
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448 |
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449 octave_value::octave_value (const charMatrix& chm, bool is_string) |
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450 : rep (0) |
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451 { |
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452 if (is_string) |
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453 rep = new octave_char_matrix_str (chm); |
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454 else |
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455 rep = new octave_char_matrix (chm); |
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456 |
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457 rep->count = 1; |
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458 maybe_mutate (); |
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2409
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459 } |
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460 |
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461 octave_value::octave_value (double base, double limit, double inc) |
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462 : rep (new octave_range (base, limit, inc)) |
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463 { |
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464 rep->count = 1; |
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465 maybe_mutate (); |
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466 } |
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467 |
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468 octave_value::octave_value (const Range& r) |
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469 : rep (new octave_range (r)) |
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470 { |
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471 rep->count = 1; |
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472 maybe_mutate (); |
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473 } |
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2376
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474 |
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475 octave_value::octave_value (const Octave_map& m) |
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2825
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476 : rep (new octave_struct (m)) |
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477 { |
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478 rep->count = 1; |
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2880
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479 } |
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480 |
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3340
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481 octave_value::octave_value (const octave_stream& s, int n) |
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2903
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482 : rep (new octave_file (s, n)) |
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483 { |
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484 rep->count = 1; |
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485 } |
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486 |
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2974
|
487 octave_value::octave_value (octave_function *f) |
|
|
488 : rep (f) |
|
|
489 { |
|
|
490 rep->count = 1; |
|
|
491 } |
|
|
492 |
|
2880
|
493 octave_value::octave_value (const octave_value_list& l) |
|
|
494 : rep (new octave_list (l)) |
|
|
495 { |
|
|
496 rep->count = 1; |
|
|
497 } |
|
2376
|
498 |
|
|
499 octave_value::octave_value (octave_value::magic_colon) |
|
2825
|
500 : rep (new octave_magic_colon ()) |
|
|
501 { |
|
|
502 rep->count = 1; |
|
|
503 } |
|
2376
|
504 |
|
|
505 octave_value::octave_value (octave_value::all_va_args) |
|
2825
|
506 : rep (new octave_all_va_args ()) |
|
|
507 { |
|
|
508 rep->count = 1; |
|
|
509 } |
|
2376
|
510 |
|
|
511 octave_value::octave_value (octave_value *new_rep) |
|
2825
|
512 : rep (new_rep) |
|
|
513 { |
|
|
514 rep->count = 1; |
|
|
515 } |
|
2376
|
516 |
|
|
517 octave_value::~octave_value (void) |
|
|
518 { |
|
|
519 #if defined (MDEBUG) |
|
3531
|
520 std::cerr << "~octave_value: rep: " << rep |
|
|
521 << " rep->count: " << rep->count << "\n"; |
|
2376
|
522 #endif |
|
|
523 |
|
|
524 if (rep && --rep->count == 0) |
|
|
525 { |
|
|
526 delete rep; |
|
|
527 rep = 0; |
|
|
528 } |
|
|
529 } |
|
|
530 |
|
2880
|
531 octave_value * |
|
|
532 octave_value::clone (void) |
|
|
533 { |
|
|
534 panic_impossible (); |
|
3546
|
535 return 0; |
|
2880
|
536 } |
|
|
537 |
|
2409
|
538 void |
|
|
539 octave_value::maybe_mutate (void) |
|
|
540 { |
|
2410
|
541 octave_value *tmp = rep->try_narrowing_conversion (); |
|
2409
|
542 |
|
|
543 if (tmp && tmp != rep) |
|
|
544 { |
|
|
545 if (--rep->count == 0) |
|
|
546 delete rep; |
|
|
547 |
|
|
548 rep = tmp; |
|
|
549 rep->count = 1; |
|
|
550 } |
|
|
551 } |
|
|
552 |
|
2974
|
553 octave_value_list |
|
3544
|
554 octave_value::do_multi_index_op (int nargout, const octave_value_list& idx) |
|
2974
|
555 { |
|
3544
|
556 return rep->do_multi_index_op (nargout, idx); |
|
2974
|
557 } |
|
|
558 |
|
2376
|
559 static void |
|
3523
|
560 gripe_no_conversion (const std::string& on, const std::string& tn1, const std::string& tn2) |
|
2376
|
561 { |
|
3203
|
562 error ("operator %s: no conversion for assignment of `%s' to indexed `%s'", |
|
|
563 on.c_str (), tn2.c_str (), tn1.c_str ()); |
|
2376
|
564 } |
|
|
565 |
|
3204
|
566 static void |
|
3523
|
567 gripe_assign_failed (const std::string& on, const std::string& tn1, const std::string& tn2) |
|
3204
|
568 { |
|
|
569 error ("assignment failed for `%s %s %s'", |
|
|
570 tn1.c_str (), on.c_str (), tn2.c_str ()); |
|
|
571 } |
|
|
572 |
|
|
573 static void |
|
3523
|
574 gripe_assign_failed_or_no_method (const std::string& on, const std::string& tn1, |
|
|
575 const std::string& tn2) |
|
3204
|
576 { |
|
|
577 error ("assignment failed, or no method for `%s %s %s'", |
|
|
578 tn1.c_str (), on.c_str (), tn2.c_str ()); |
|
|
579 } |
|
|
580 |
|
2963
|
581 void |
|
3203
|
582 octave_value::assign (assign_op op, const octave_value& rhs) |
|
2880
|
583 { |
|
3533
|
584 if (op == op_asn_eq) |
|
3203
|
585 operator = (rhs); |
|
|
586 else |
|
|
587 { |
|
3204
|
588 // XXX FIXME XXX -- only do the following stuff if we can't find |
|
|
589 // a specific function to call to handle the op= operation for |
|
|
590 // the types we have. |
|
|
591 |
|
|
592 binary_op binop = op_eq_to_binary_op (op); |
|
|
593 |
|
|
594 if (! error_state) |
|
|
595 { |
|
|
596 octave_value t = do_binary_op (binop, *this, rhs); |
|
|
597 |
|
|
598 if (! error_state) |
|
|
599 operator = (t); |
|
|
600 } |
|
|
601 |
|
|
602 if (error_state) |
|
|
603 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
604 type_name (), rhs.type_name ()); |
|
|
605 } |
|
|
606 } |
|
|
607 |
|
|
608 void |
|
|
609 octave_value::simple_assign (octave_value::assign_op orig_op, |
|
|
610 const octave_value_list& idx, |
|
|
611 const octave_value& rhs) |
|
|
612 { |
|
|
613 make_unique (); |
|
|
614 |
|
3533
|
615 bool assignment_ok = try_assignment (op_asn_eq, idx, rhs); |
|
3204
|
616 |
|
|
617 if (! (error_state || assignment_ok)) |
|
|
618 { |
|
3533
|
619 assignment_ok = try_assignment_with_conversion (op_asn_eq, idx, rhs); |
|
3204
|
620 |
|
|
621 if (! (error_state || assignment_ok)) |
|
|
622 gripe_no_conversion (assign_op_as_string (orig_op), |
|
|
623 type_name (), rhs.type_name ()); |
|
3203
|
624 } |
|
2880
|
625 } |
|
|
626 |
|
2963
|
627 void |
|
2880
|
628 octave_value::assign (octave_value::assign_op op, |
|
|
629 const octave_value_list& idx, |
|
|
630 const octave_value& rhs) |
|
2409
|
631 { |
|
2948
|
632 if (Vresize_on_range_error || is_defined ()) |
|
|
633 { |
|
3533
|
634 if (op == op_asn_eq) |
|
3204
|
635 simple_assign (op, idx, rhs); |
|
|
636 else |
|
|
637 { |
|
|
638 // XXX FIXME XXX -- only do the following stuff if we can't |
|
|
639 // find a specific function to call to handle the op= |
|
|
640 // operation for the types we have. |
|
|
641 |
|
|
642 octave_value t1 = *this; |
|
2948
|
643 |
|
3204
|
644 t1 = t1.do_index_op (idx); |
|
|
645 |
|
|
646 if (! error_state) |
|
|
647 { |
|
|
648 binary_op binop = op_eq_to_binary_op (op); |
|
|
649 |
|
|
650 if (! error_state) |
|
|
651 { |
|
|
652 octave_value t2 = do_binary_op (binop, t1, rhs); |
|
2948
|
653 |
|
3204
|
654 if (! error_state) |
|
|
655 { |
|
|
656 simple_assign (op, idx, t2); |
|
2948
|
657 |
|
3204
|
658 if (error_state) |
|
|
659 gripe_assign_failed (assign_op_as_string (op), |
|
|
660 type_name (), rhs.type_name ()); |
|
|
661 } |
|
|
662 else |
|
|
663 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
664 type_name (), |
|
|
665 rhs.type_name ()); |
|
|
666 } |
|
|
667 else |
|
|
668 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
669 type_name (), |
|
|
670 rhs.type_name ()); |
|
|
671 } |
|
|
672 else |
|
|
673 gripe_assign_failed (assign_op_as_string (op), |
|
3203
|
674 type_name (), rhs.type_name ()); |
|
2948
|
675 } |
|
|
676 |
|
|
677 if (! error_state) |
|
|
678 maybe_mutate (); |
|
|
679 } |
|
|
680 else |
|
|
681 { |
|
|
682 error ("indexed assignment to previously undefined variables"); |
|
|
683 error ("is only possible when resize_on_range_error is true"); |
|
|
684 } |
|
|
685 } |
|
|
686 |
|
|
687 void |
|
3523
|
688 octave_value::assign_struct_elt (assign_op op, const std::string& elt_nm, |
|
2948
|
689 const octave_value& rhs) |
|
|
690 { |
|
2409
|
691 make_unique (); |
|
2376
|
692 |
|
2948
|
693 rep->assign_struct_elt (op, elt_nm, rhs); |
|
|
694 } |
|
|
695 |
|
2409
|
696 |
|
2948
|
697 void |
|
3523
|
698 octave_value::assign_struct_elt (assign_op op, const std::string& elt_nm, |
|
2948
|
699 const octave_value_list& idx, |
|
|
700 const octave_value& rhs) |
|
|
701 { |
|
|
702 make_unique (); |
|
2409
|
703 |
|
2948
|
704 rep->assign_struct_elt (op, elt_nm, idx, rhs); |
|
|
705 } |
|
2376
|
706 |
|
2979
|
707 octave_lvalue |
|
3523
|
708 octave_value::struct_elt_ref (const std::string& nm) |
|
2948
|
709 { |
|
|
710 return rep->struct_elt_ref (this, nm); |
|
|
711 } |
|
2409
|
712 |
|
2979
|
713 octave_lvalue |
|
3523
|
714 octave_value::struct_elt_ref (octave_value *, const std::string&) |
|
2948
|
715 { |
|
|
716 panic_impossible (); |
|
|
717 |
|
2979
|
718 return octave_lvalue (); |
|
2376
|
719 } |
|
|
720 |
|
3351
|
721 Cell |
|
|
722 octave_value::cell_value (void) const |
|
|
723 { |
|
|
724 return rep->cell_value (); |
|
|
725 } |
|
|
726 |
|
2376
|
727 Octave_map |
|
|
728 octave_value::map_value (void) const |
|
|
729 { |
|
|
730 return rep->map_value (); |
|
|
731 } |
|
|
732 |
|
3340
|
733 octave_stream |
|
2903
|
734 octave_value::stream_value (void) const |
|
|
735 { |
|
|
736 return rep->stream_value (); |
|
|
737 } |
|
|
738 |
|
|
739 int |
|
|
740 octave_value::stream_number (void) const |
|
|
741 { |
|
|
742 return rep->stream_number (); |
|
|
743 } |
|
|
744 |
|
2974
|
745 octave_function * |
|
|
746 octave_value::function_value (bool silent) |
|
|
747 { |
|
|
748 return rep->function_value (silent); |
|
|
749 } |
|
|
750 |
|
2880
|
751 octave_value_list |
|
|
752 octave_value::list_value (void) const |
|
|
753 { |
|
|
754 return rep->list_value (); |
|
|
755 } |
|
|
756 |
|
2376
|
757 ColumnVector |
|
3419
|
758 octave_value::column_vector_value (bool force_string_conv, |
|
|
759 bool force_vector_conversion) const |
|
|
760 { |
|
|
761 ColumnVector retval; |
|
|
762 |
|
|
763 Matrix m = matrix_value (force_string_conv); |
|
|
764 |
|
|
765 if (error_state) |
|
|
766 return retval; |
|
|
767 |
|
|
768 int nr = m.rows (); |
|
|
769 int nc = m.columns (); |
|
|
770 |
|
|
771 if (nc == 1) |
|
|
772 { |
|
|
773 retval.resize (nr); |
|
|
774 for (int i = 0; i < nr; i++) |
|
|
775 retval (i) = m (i, 0); |
|
|
776 } |
|
|
777 else |
|
|
778 { |
|
3523
|
779 std::string tn = type_name (); |
|
3419
|
780 gripe_invalid_conversion (tn.c_str (), "real column vector"); |
|
|
781 } |
|
|
782 |
|
|
783 return retval; |
|
|
784 } |
|
|
785 |
|
|
786 ComplexColumnVector |
|
|
787 octave_value::complex_column_vector_value (bool force_string_conv, |
|
|
788 bool force_vector_conversion) const |
|
|
789 { |
|
|
790 ComplexColumnVector retval; |
|
|
791 |
|
|
792 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
793 |
|
|
794 if (error_state) |
|
|
795 return retval; |
|
|
796 |
|
|
797 int nr = m.rows (); |
|
|
798 int nc = m.columns (); |
|
|
799 |
|
|
800 if (nc == 1) |
|
|
801 { |
|
3465
|
802 retval.resize (nr); |
|
|
803 for (int i = 0; i < nr; i++) |
|
3419
|
804 retval (i) = m (i, 0); |
|
|
805 } |
|
|
806 else |
|
|
807 { |
|
3523
|
808 std::string tn = type_name (); |
|
3419
|
809 gripe_invalid_conversion (tn.c_str (), "complex column vector"); |
|
|
810 } |
|
|
811 |
|
|
812 return retval; |
|
|
813 } |
|
|
814 |
|
|
815 RowVector |
|
|
816 octave_value::row_vector_value (bool force_string_conv, |
|
|
817 bool force_vector_conversion) const |
|
|
818 { |
|
|
819 RowVector retval; |
|
|
820 |
|
|
821 Matrix m = matrix_value (force_string_conv); |
|
|
822 |
|
|
823 if (error_state) |
|
|
824 return retval; |
|
|
825 |
|
|
826 int nr = m.rows (); |
|
|
827 int nc = m.columns (); |
|
|
828 |
|
|
829 if (nr == 1) |
|
|
830 { |
|
|
831 retval.resize (nc); |
|
|
832 for (int i = 0; i < nc; i++) |
|
|
833 retval (i) = m (0, i); |
|
|
834 } |
|
|
835 else |
|
|
836 { |
|
3523
|
837 std::string tn = type_name (); |
|
3419
|
838 gripe_invalid_conversion (tn.c_str (), "real row vector"); |
|
|
839 } |
|
|
840 |
|
|
841 return retval; |
|
|
842 } |
|
|
843 |
|
|
844 ComplexRowVector |
|
|
845 octave_value::complex_row_vector_value (bool force_string_conv, |
|
|
846 bool force_vector_conversion) const |
|
|
847 { |
|
|
848 ComplexRowVector retval; |
|
|
849 |
|
|
850 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
851 |
|
|
852 if (error_state) |
|
|
853 return retval; |
|
|
854 |
|
|
855 int nr = m.rows (); |
|
|
856 int nc = m.columns (); |
|
|
857 |
|
|
858 if (nr == 1) |
|
|
859 { |
|
|
860 retval.resize (nc); |
|
|
861 for (int i = 0; i < nc; i++) |
|
|
862 retval (i) = m (0, i); |
|
|
863 } |
|
|
864 else |
|
|
865 { |
|
3523
|
866 std::string tn = type_name (); |
|
3419
|
867 gripe_invalid_conversion (tn.c_str (), "complex row vector"); |
|
|
868 } |
|
|
869 |
|
|
870 return retval; |
|
|
871 } |
|
|
872 |
|
|
873 // Sloppy... |
|
|
874 |
|
|
875 Array<double> |
|
2376
|
876 octave_value::vector_value (bool force_string_conv, |
|
|
877 bool force_vector_conversion) const |
|
|
878 { |
|
3419
|
879 Array<double> retval; |
|
2376
|
880 |
|
|
881 Matrix m = matrix_value (force_string_conv); |
|
|
882 |
|
|
883 if (error_state) |
|
|
884 return retval; |
|
|
885 |
|
|
886 int nr = m.rows (); |
|
|
887 int nc = m.columns (); |
|
|
888 |
|
|
889 if (nr == 1) |
|
|
890 { |
|
|
891 retval.resize (nc); |
|
|
892 for (int i = 0; i < nc; i++) |
|
|
893 retval (i) = m (0, i); |
|
|
894 } |
|
|
895 else if (nc == 1) |
|
|
896 { |
|
|
897 retval.resize (nr); |
|
|
898 for (int i = 0; i < nr; i++) |
|
|
899 retval (i) = m (i, 0); |
|
|
900 } |
|
|
901 else if (nr > 0 && nc > 0 |
|
|
902 && (Vdo_fortran_indexing || force_vector_conversion)) |
|
|
903 { |
|
|
904 retval.resize (nr * nc); |
|
|
905 int k = 0; |
|
|
906 for (int j = 0; j < nc; j++) |
|
|
907 for (int i = 0; i < nr; i++) |
|
|
908 retval (k++) = m (i, j); |
|
|
909 } |
|
|
910 else |
|
|
911 { |
|
3523
|
912 std::string tn = type_name (); |
|
2376
|
913 gripe_invalid_conversion (tn.c_str (), "real vector"); |
|
|
914 } |
|
|
915 |
|
|
916 return retval; |
|
|
917 } |
|
|
918 |
|
3419
|
919 Array<Complex> |
|
2376
|
920 octave_value::complex_vector_value (bool force_string_conv, |
|
|
921 bool force_vector_conversion) const |
|
|
922 { |
|
3419
|
923 Array<Complex> retval; |
|
2376
|
924 |
|
|
925 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
926 |
|
|
927 if (error_state) |
|
|
928 return retval; |
|
|
929 |
|
|
930 int nr = m.rows (); |
|
|
931 int nc = m.columns (); |
|
|
932 |
|
|
933 if (nr == 1) |
|
|
934 { |
|
|
935 retval.resize (nc); |
|
|
936 for (int i = 0; i < nc; i++) |
|
|
937 retval (i) = m (0, i); |
|
|
938 } |
|
|
939 else if (nc == 1) |
|
|
940 { |
|
|
941 retval.resize (nr); |
|
|
942 for (int i = 0; i < nr; i++) |
|
|
943 retval (i) = m (i, 0); |
|
|
944 } |
|
|
945 else if (nr > 0 && nc > 0 |
|
|
946 && (Vdo_fortran_indexing || force_vector_conversion)) |
|
|
947 { |
|
|
948 retval.resize (nr * nc); |
|
|
949 int k = 0; |
|
|
950 for (int j = 0; j < nc; j++) |
|
|
951 for (int i = 0; i < nr; i++) |
|
|
952 retval (k++) = m (i, j); |
|
|
953 } |
|
|
954 else |
|
|
955 { |
|
3523
|
956 std::string tn = type_name (); |
|
2376
|
957 gripe_invalid_conversion (tn.c_str (), "complex vector"); |
|
|
958 } |
|
|
959 |
|
|
960 return retval; |
|
|
961 } |
|
|
962 |
|
|
963 void |
|
3523
|
964 octave_value::print_with_name (std::ostream& output_buf, const std::string& name, |
|
2903
|
965 bool print_padding) const |
|
2376
|
966 { |
|
2903
|
967 bool pad_after = print_name_tag (output_buf, name); |
|
2376
|
968 |
|
|
969 print (output_buf); |
|
|
970 |
|
|
971 if (print_padding && pad_after) |
|
2903
|
972 newline (output_buf); |
|
2376
|
973 } |
|
|
974 |
|
|
975 static void |
|
3523
|
976 gripe_indexed_assignment (const std::string& tn1, const std::string& tn2) |
|
2413
|
977 { |
|
2903
|
978 error ("assignment of `%s' to indexed `%s' not implemented", |
|
2413
|
979 tn2.c_str (), tn1.c_str ()); |
|
|
980 } |
|
|
981 |
|
|
982 static void |
|
3523
|
983 gripe_assign_conversion_failed (const std::string& tn1, const std::string& tn2) |
|
2413
|
984 { |
|
2903
|
985 error ("type conversion for assignment of `%s' to indexed `%s' failed", |
|
2413
|
986 tn2.c_str (), tn1.c_str ()); |
|
|
987 } |
|
|
988 |
|
|
989 bool |
|
2880
|
990 octave_value::convert_and_assign (octave_value::assign_op op, |
|
|
991 const octave_value_list& idx, |
|
2413
|
992 const octave_value& rhs) |
|
|
993 { |
|
|
994 bool assignment_ok = false; |
|
|
995 |
|
|
996 int t_lhs = type_id (); |
|
|
997 int t_rhs = rhs.type_id (); |
|
|
998 |
|
|
999 int t_result |
|
|
1000 = octave_value_typeinfo::lookup_pref_assign_conv (t_lhs, t_rhs); |
|
|
1001 |
|
|
1002 if (t_result >= 0) |
|
|
1003 { |
|
2427
|
1004 type_conv_fcn cf |
|
2413
|
1005 = octave_value_typeinfo::lookup_widening_op (t_lhs, t_result); |
|
|
1006 |
|
|
1007 if (cf) |
|
|
1008 { |
|
|
1009 octave_value *tmp = cf (*rep); |
|
|
1010 |
|
|
1011 if (tmp) |
|
|
1012 { |
|
2589
|
1013 octave_value *old_rep = rep; |
|
|
1014 rep = tmp; |
|
|
1015 rep->count = 1; |
|
|
1016 |
|
2880
|
1017 assignment_ok = try_assignment (op, idx, rhs); |
|
2589
|
1018 |
|
|
1019 if (! assignment_ok && old_rep) |
|
2413
|
1020 { |
|
|
1021 if (--rep->count == 0) |
|
|
1022 delete rep; |
|
|
1023 |
|
2589
|
1024 rep = old_rep; |
|
|
1025 old_rep = 0; |
|
2413
|
1026 } |
|
|
1027 |
|
2589
|
1028 if (old_rep && --old_rep->count == 0) |
|
|
1029 delete old_rep; |
|
2413
|
1030 } |
|
|
1031 else |
|
3203
|
1032 gripe_assign_conversion_failed (type_name (), rhs.type_name ()); |
|
2413
|
1033 } |
|
|
1034 else |
|
|
1035 gripe_indexed_assignment (type_name (), rhs.type_name ()); |
|
|
1036 } |
|
|
1037 |
|
|
1038 return (assignment_ok && ! error_state); |
|
|
1039 } |
|
|
1040 |
|
|
1041 bool |
|
2880
|
1042 octave_value::try_assignment_with_conversion (octave_value::assign_op op, |
|
|
1043 const octave_value_list& idx, |
|
2413
|
1044 const octave_value& rhs) |
|
|
1045 { |
|
2880
|
1046 bool assignment_ok = convert_and_assign (op, idx, rhs); |
|
2413
|
1047 |
|
|
1048 if (! (error_state || assignment_ok)) |
|
|
1049 { |
|
|
1050 octave_value tmp_rhs; |
|
2427
|
1051 type_conv_fcn cf_rhs = rhs.numeric_conversion_function (); |
|
2413
|
1052 |
|
|
1053 if (cf_rhs) |
|
3203
|
1054 { |
|
|
1055 octave_value *tmp = cf_rhs (*rhs.rep); |
|
|
1056 |
|
|
1057 if (tmp) |
|
|
1058 tmp_rhs = octave_value (tmp); |
|
|
1059 else |
|
|
1060 { |
|
|
1061 gripe_assign_conversion_failed (type_name (), rhs.type_name ()); |
|
|
1062 return false; |
|
|
1063 } |
|
|
1064 } |
|
2413
|
1065 else |
|
|
1066 tmp_rhs = rhs; |
|
|
1067 |
|
|
1068 octave_value *old_rep = 0; |
|
2427
|
1069 type_conv_fcn cf_this = numeric_conversion_function (); |
|
2413
|
1070 |
|
|
1071 if (cf_this) |
|
|
1072 { |
|
|
1073 old_rep = rep; |
|
3203
|
1074 |
|
|
1075 octave_value *tmp = cf_this (*rep); |
|
|
1076 |
|
|
1077 if (tmp) |
|
|
1078 { |
|
|
1079 rep = tmp; |
|
|
1080 rep->count = 1; |
|
|
1081 } |
|
|
1082 else |
|
|
1083 { |
|
|
1084 gripe_assign_conversion_failed (type_name (), rhs.type_name ()); |
|
|
1085 return false; |
|
|
1086 } |
|
2413
|
1087 } |
|
|
1088 |
|
|
1089 if (cf_this || cf_rhs) |
|
|
1090 { |
|
2880
|
1091 assignment_ok = try_assignment (op, idx, tmp_rhs); |
|
2413
|
1092 |
|
|
1093 if (! (error_state || assignment_ok)) |
|
2880
|
1094 assignment_ok = convert_and_assign (op, idx, tmp_rhs); |
|
2413
|
1095 } |
|
|
1096 |
|
|
1097 if (! assignment_ok && old_rep) |
|
|
1098 { |
|
|
1099 if (--rep->count == 0) |
|
|
1100 delete rep; |
|
|
1101 |
|
|
1102 rep = old_rep; |
|
|
1103 old_rep = 0; |
|
|
1104 } |
|
|
1105 |
|
|
1106 if (old_rep && --old_rep->count == 0) |
|
|
1107 delete old_rep; |
|
|
1108 } |
|
|
1109 |
|
|
1110 return (assignment_ok && ! error_state); |
|
|
1111 } |
|
|
1112 |
|
|
1113 bool |
|
2880
|
1114 octave_value::try_assignment (octave_value::assign_op op, |
|
|
1115 const octave_value_list& idx, |
|
2413
|
1116 const octave_value& rhs) |
|
|
1117 { |
|
|
1118 bool retval = false; |
|
|
1119 |
|
|
1120 int t_lhs = type_id (); |
|
|
1121 int t_rhs = rhs.type_id (); |
|
|
1122 |
|
2880
|
1123 assign_op_fcn f |
|
|
1124 = octave_value_typeinfo::lookup_assign_op (op, t_lhs, t_rhs); |
|
2413
|
1125 |
|
|
1126 if (f) |
|
|
1127 { |
|
|
1128 f (*rep, idx, *(rhs.rep)); |
|
|
1129 |
|
|
1130 retval = (! error_state); |
|
|
1131 } |
|
3196
|
1132 else |
|
|
1133 { |
|
|
1134 f = octave_value_typeinfo::lookup_assignany_op (op, t_lhs); |
|
|
1135 |
|
|
1136 if (f) |
|
|
1137 { |
|
|
1138 f (*rep, idx, rhs); |
|
|
1139 |
|
|
1140 retval = (! error_state); |
|
|
1141 } |
|
|
1142 } |
|
2413
|
1143 |
|
|
1144 return retval; |
|
|
1145 } |
|
|
1146 |
|
|
1147 static void |
|
3523
|
1148 gripe_binary_op (const std::string& on, const std::string& tn1, const std::string& tn2) |
|
2376
|
1149 { |
|
2903
|
1150 error ("binary operator `%s' not implemented for `%s' by `%s' operations", |
|
2376
|
1151 on.c_str (), tn1.c_str (), tn2.c_str ()); |
|
|
1152 } |
|
|
1153 |
|
3203
|
1154 static void |
|
3523
|
1155 gripe_binary_op_conv (const std::string& on) |
|
3203
|
1156 { |
|
|
1157 error ("type conversion failed for binary operator `%s'", on.c_str ()); |
|
|
1158 } |
|
|
1159 |
|
2376
|
1160 octave_value |
|
|
1161 do_binary_op (octave_value::binary_op op, const octave_value& v1, |
|
|
1162 const octave_value& v2) |
|
|
1163 { |
|
|
1164 octave_value retval; |
|
|
1165 |
|
|
1166 int t1 = v1.type_id (); |
|
|
1167 int t2 = v2.type_id (); |
|
|
1168 |
|
2427
|
1169 binary_op_fcn f = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
2376
|
1170 |
|
|
1171 if (f) |
|
|
1172 retval = f (*v1.rep, *v2.rep); |
|
|
1173 else |
|
|
1174 { |
|
|
1175 octave_value tv1; |
|
2427
|
1176 type_conv_fcn cf1 = v1.numeric_conversion_function (); |
|
2376
|
1177 |
|
|
1178 if (cf1) |
|
|
1179 { |
|
3203
|
1180 octave_value *tmp = cf1 (*v1.rep); |
|
|
1181 |
|
|
1182 if (tmp) |
|
|
1183 { |
|
|
1184 tv1 = octave_value (tmp); |
|
|
1185 t1 = tv1.type_id (); |
|
|
1186 } |
|
|
1187 else |
|
|
1188 { |
|
|
1189 gripe_binary_op_conv (octave_value::binary_op_as_string (op)); |
|
|
1190 return retval; |
|
|
1191 } |
|
2376
|
1192 } |
|
|
1193 else |
|
|
1194 tv1 = v1; |
|
|
1195 |
|
|
1196 octave_value tv2; |
|
2427
|
1197 type_conv_fcn cf2 = v2.numeric_conversion_function (); |
|
2376
|
1198 |
|
|
1199 if (cf2) |
|
|
1200 { |
|
3203
|
1201 octave_value *tmp = cf2 (*v2.rep); |
|
|
1202 |
|
|
1203 if (tmp) |
|
|
1204 { |
|
|
1205 tv2 = octave_value (tmp); |
|
|
1206 t2 = tv2.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 tv2 = v2; |
|
|
1216 |
|
|
1217 if (cf1 || cf2) |
|
|
1218 { |
|
2427
|
1219 binary_op_fcn f |
|
2376
|
1220 = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
|
1221 |
|
|
1222 if (f) |
|
|
1223 retval = f (*tv1.rep, *tv2.rep); |
|
|
1224 else |
|
|
1225 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
1226 v1.type_name (), v2.type_name ()); |
|
|
1227 } |
|
|
1228 else |
|
|
1229 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
1230 v1.type_name (), v2.type_name ()); |
|
|
1231 } |
|
|
1232 |
|
|
1233 return retval; |
|
|
1234 } |
|
|
1235 |
|
3203
|
1236 static void |
|
3523
|
1237 gripe_unary_op (const std::string& on, const std::string& tn) |
|
3203
|
1238 { |
|
|
1239 error ("unary operator `%s' not implemented for `%s' operands", |
|
|
1240 on.c_str (), tn.c_str ()); |
|
|
1241 } |
|
|
1242 |
|
|
1243 static void |
|
3523
|
1244 gripe_unary_op_conv (const std::string& on) |
|
3203
|
1245 { |
|
|
1246 error ("type conversion failed for unary operator `%s'", on.c_str ()); |
|
|
1247 } |
|
|
1248 |
|
|
1249 octave_value |
|
|
1250 do_unary_op (octave_value::unary_op op, const octave_value& v) |
|
|
1251 { |
|
|
1252 octave_value retval; |
|
|
1253 |
|
|
1254 int t = v.type_id (); |
|
|
1255 |
|
|
1256 unary_op_fcn f = octave_value_typeinfo::lookup_unary_op (op, t); |
|
|
1257 |
|
|
1258 if (f) |
|
|
1259 retval = f (*v.rep); |
|
|
1260 else |
|
|
1261 { |
|
|
1262 octave_value tv; |
|
|
1263 type_conv_fcn cf = v.numeric_conversion_function (); |
|
|
1264 |
|
|
1265 if (cf) |
|
|
1266 { |
|
|
1267 octave_value *tmp = cf (*v.rep); |
|
|
1268 |
|
|
1269 if (tmp) |
|
|
1270 { |
|
|
1271 tv = octave_value (tmp); |
|
|
1272 t = tv.type_id (); |
|
|
1273 |
|
|
1274 unary_op_fcn f = octave_value_typeinfo::lookup_unary_op (op, t); |
|
|
1275 |
|
|
1276 if (f) |
|
|
1277 retval = f (*tv.rep); |
|
|
1278 else |
|
|
1279 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1280 v.type_name ()); |
|
|
1281 } |
|
|
1282 else |
|
|
1283 gripe_unary_op_conv (octave_value::unary_op_as_string (op)); |
|
|
1284 } |
|
|
1285 else |
|
|
1286 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1287 v.type_name ()); |
|
|
1288 } |
|
|
1289 |
|
|
1290 return retval; |
|
|
1291 } |
|
|
1292 |
|
|
1293 static void |
|
3523
|
1294 gripe_unary_op_conversion_failed (const std::string& op, const std::string& tn) |
|
3203
|
1295 { |
|
|
1296 error ("operator %s: type conversion for `%s' failed", |
|
|
1297 op.c_str (), tn.c_str ()); |
|
|
1298 } |
|
|
1299 |
|
|
1300 void |
|
|
1301 octave_value::do_non_const_unary_op (octave_value::unary_op op) |
|
|
1302 { |
|
|
1303 octave_value retval; |
|
|
1304 |
|
|
1305 int t = type_id (); |
|
|
1306 |
|
|
1307 non_const_unary_op_fcn f |
|
|
1308 = octave_value_typeinfo::lookup_non_const_unary_op (op, t); |
|
|
1309 |
|
|
1310 if (f) |
|
|
1311 { |
|
|
1312 make_unique (); |
|
|
1313 |
|
|
1314 f (*rep); |
|
|
1315 } |
|
|
1316 else |
|
|
1317 { |
|
|
1318 type_conv_fcn cf = numeric_conversion_function (); |
|
|
1319 |
|
|
1320 if (cf) |
|
|
1321 { |
|
|
1322 octave_value *tmp = cf (*rep); |
|
|
1323 |
|
|
1324 if (tmp) |
|
|
1325 { |
|
|
1326 octave_value *old_rep = rep; |
|
|
1327 rep = tmp; |
|
|
1328 rep->count = 1; |
|
|
1329 |
|
|
1330 t = type_id (); |
|
|
1331 |
|
|
1332 f = octave_value_typeinfo::lookup_non_const_unary_op (op, t); |
|
|
1333 |
|
|
1334 if (f) |
|
|
1335 { |
|
|
1336 f (*rep); |
|
|
1337 |
|
|
1338 if (old_rep && --old_rep->count == 0) |
|
|
1339 delete old_rep; |
|
|
1340 } |
|
|
1341 else |
|
|
1342 { |
|
|
1343 if (old_rep) |
|
|
1344 { |
|
|
1345 if (--rep->count == 0) |
|
|
1346 delete rep; |
|
|
1347 |
|
|
1348 rep = old_rep; |
|
|
1349 } |
|
|
1350 |
|
|
1351 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1352 type_name ()); |
|
|
1353 } |
|
|
1354 } |
|
|
1355 else |
|
|
1356 gripe_unary_op_conversion_failed |
|
|
1357 (octave_value::unary_op_as_string (op), type_name ()); |
|
|
1358 } |
|
|
1359 else |
|
|
1360 gripe_unary_op (octave_value::unary_op_as_string (op), type_name ()); |
|
|
1361 } |
|
|
1362 } |
|
|
1363 |
|
3205
|
1364 static void |
|
3523
|
1365 gripe_unary_op_failed_or_no_method (const std::string& on, const std::string& tn) |
|
3205
|
1366 { |
|
|
1367 error ("operator %s: no method, or unable to evaluate for %s operand", |
|
|
1368 on.c_str (), tn.c_str ()); |
|
|
1369 } |
|
|
1370 |
|
|
1371 void |
|
|
1372 octave_value::do_non_const_unary_op (octave_value::unary_op op, |
|
|
1373 const octave_value_list& idx) |
|
|
1374 { |
|
|
1375 // XXX FIXME XXX -- only do the following stuff if we can't find a |
|
|
1376 // specific function to call to handle the op= operation for the |
|
|
1377 // types we have. |
|
|
1378 |
|
|
1379 assign_op assop = unary_op_to_assign_op (op); |
|
|
1380 |
|
|
1381 if (! error_state) |
|
|
1382 assign (assop, idx, 1.0); |
|
|
1383 else |
|
|
1384 gripe_unary_op_failed_or_no_method (unary_op_as_string (op), |
|
|
1385 type_name ()); |
|
|
1386 } |
|
|
1387 |
|
2903
|
1388 // Current indentation. |
|
|
1389 int octave_value::curr_print_indent_level = 0; |
|
|
1390 |
|
3018
|
1391 // TRUE means we are at the beginning of a line. |
|
2903
|
1392 bool octave_value::beginning_of_line = true; |
|
|
1393 |
|
|
1394 // Each print() function should call this before printing anything. |
|
|
1395 // |
|
|
1396 // This doesn't need to be fast, but isn't there a better way? |
|
|
1397 |
|
|
1398 void |
|
3523
|
1399 octave_value::indent (std::ostream& os) const |
|
2903
|
1400 { |
|
|
1401 assert (curr_print_indent_level >= 0); |
|
|
1402 |
|
|
1403 if (beginning_of_line) |
|
|
1404 { |
|
|
1405 // XXX FIXME XXX -- do we need this? |
|
|
1406 // os << prefix; |
|
|
1407 |
|
|
1408 for (int i = 0; i < curr_print_indent_level; i++) |
|
|
1409 os << " "; |
|
|
1410 |
|
|
1411 beginning_of_line = false; |
|
|
1412 } |
|
|
1413 } |
|
|
1414 |
|
|
1415 // All print() functions should use this to print new lines. |
|
|
1416 |
|
|
1417 void |
|
3523
|
1418 octave_value::newline (std::ostream& os) const |
|
2903
|
1419 { |
|
|
1420 os << "\n"; |
|
|
1421 |
|
|
1422 beginning_of_line = true; |
|
|
1423 } |
|
|
1424 |
|
|
1425 // For ressetting print state. |
|
|
1426 |
|
|
1427 void |
|
|
1428 octave_value::reset (void) const |
|
|
1429 { |
|
|
1430 beginning_of_line = true; |
|
|
1431 curr_print_indent_level = 0; |
|
|
1432 } |
|
|
1433 |
|
3205
|
1434 octave_value::assign_op |
|
|
1435 octave_value::unary_op_to_assign_op (unary_op op) |
|
|
1436 { |
|
|
1437 assign_op binop = unknown_assign_op; |
|
|
1438 |
|
|
1439 switch (op) |
|
|
1440 { |
|
3533
|
1441 case op_incr: |
|
|
1442 binop = op_add_eq; |
|
3205
|
1443 break; |
|
|
1444 |
|
3533
|
1445 case op_decr: |
|
|
1446 binop = op_sub_eq; |
|
3205
|
1447 break; |
|
|
1448 |
|
|
1449 default: |
|
|
1450 { |
|
3523
|
1451 std::string on = unary_op_as_string (op); |
|
3205
|
1452 error ("operator %s: no assign operator found", on.c_str ()); |
|
|
1453 } |
|
|
1454 } |
|
|
1455 |
|
|
1456 return binop; |
|
|
1457 } |
|
|
1458 |
|
3204
|
1459 octave_value::binary_op |
|
|
1460 octave_value::op_eq_to_binary_op (assign_op op) |
|
|
1461 { |
|
|
1462 binary_op binop = unknown_binary_op; |
|
|
1463 |
|
|
1464 switch (op) |
|
|
1465 { |
|
3533
|
1466 case op_add_eq: |
|
|
1467 binop = op_add; |
|
3204
|
1468 break; |
|
|
1469 |
|
3533
|
1470 case op_sub_eq: |
|
|
1471 binop = op_sub; |
|
3204
|
1472 break; |
|
|
1473 |
|
3533
|
1474 case op_mul_eq: |
|
|
1475 binop = op_mul; |
|
3204
|
1476 break; |
|
|
1477 |
|
3533
|
1478 case op_div_eq: |
|
|
1479 binop = op_div; |
|
3204
|
1480 break; |
|
|
1481 |
|
3533
|
1482 case op_ldiv_eq: |
|
|
1483 binop = op_ldiv; |
|
3204
|
1484 break; |
|
|
1485 |
|
3533
|
1486 case op_lshift_eq: |
|
|
1487 binop = op_lshift; |
|
3204
|
1488 break; |
|
|
1489 |
|
3533
|
1490 case op_rshift_eq: |
|
|
1491 binop = op_rshift; |
|
3204
|
1492 break; |
|
|
1493 |
|
3533
|
1494 case op_el_mul_eq: |
|
|
1495 binop = op_el_mul; |
|
3204
|
1496 break; |
|
|
1497 |
|
3533
|
1498 case op_el_div_eq: |
|
|
1499 binop = op_el_div; |
|
3204
|
1500 break; |
|
|
1501 |
|
3533
|
1502 case op_el_ldiv_eq: |
|
|
1503 binop = op_el_ldiv; |
|
3204
|
1504 break; |
|
|
1505 |
|
3533
|
1506 case op_el_and_eq: |
|
|
1507 binop = op_el_and; |
|
3204
|
1508 break; |
|
|
1509 |
|
3533
|
1510 case op_el_or_eq: |
|
|
1511 binop = op_el_or; |
|
3204
|
1512 break; |
|
|
1513 |
|
|
1514 default: |
|
|
1515 { |
|
3523
|
1516 std::string on = assign_op_as_string (op); |
|
3204
|
1517 error ("operator %s: no binary operator found", on.c_str ()); |
|
|
1518 } |
|
|
1519 } |
|
|
1520 |
|
|
1521 return binop; |
|
|
1522 } |
|
|
1523 |
|
2376
|
1524 void |
|
|
1525 install_types (void) |
|
|
1526 { |
|
|
1527 octave_base_value::register_type (); |
|
|
1528 octave_scalar::register_type (); |
|
|
1529 octave_complex::register_type (); |
|
|
1530 octave_matrix::register_type (); |
|
|
1531 octave_complex_matrix::register_type (); |
|
|
1532 octave_range::register_type (); |
|
2825
|
1533 octave_bool::register_type (); |
|
|
1534 octave_bool_matrix::register_type (); |
|
2376
|
1535 octave_char_matrix::register_type (); |
|
|
1536 octave_char_matrix_str::register_type (); |
|
|
1537 octave_struct::register_type (); |
|
2903
|
1538 octave_file::register_type (); |
|
2880
|
1539 octave_list::register_type (); |
|
2376
|
1540 octave_all_va_args::register_type (); |
|
|
1541 octave_magic_colon::register_type (); |
|
2974
|
1542 octave_builtin::register_type (); |
|
|
1543 octave_mapper::register_type (); |
|
|
1544 octave_user_function::register_type (); |
|
2376
|
1545 } |
|
|
1546 |
|
|
1547 static int |
|
|
1548 do_fortran_indexing (void) |
|
|
1549 { |
|
|
1550 Vdo_fortran_indexing = check_preference ("do_fortran_indexing"); |
|
|
1551 |
|
|
1552 liboctave_dfi_flag = Vdo_fortran_indexing; |
|
|
1553 |
|
|
1554 return 0; |
|
|
1555 } |
|
|
1556 |
|
|
1557 static int |
|
|
1558 implicit_str_to_num_ok (void) |
|
|
1559 { |
|
|
1560 Vimplicit_str_to_num_ok = check_preference ("implicit_str_to_num_ok"); |
|
|
1561 |
|
|
1562 return 0; |
|
|
1563 } |
|
|
1564 |
|
|
1565 static int |
|
|
1566 ok_to_lose_imaginary_part (void) |
|
|
1567 { |
|
|
1568 Vok_to_lose_imaginary_part = check_preference ("ok_to_lose_imaginary_part"); |
|
|
1569 |
|
|
1570 return 0; |
|
|
1571 } |
|
|
1572 |
|
|
1573 static int |
|
|
1574 prefer_column_vectors (void) |
|
|
1575 { |
|
|
1576 Vprefer_column_vectors |
|
|
1577 = check_preference ("prefer_column_vectors"); |
|
|
1578 |
|
|
1579 liboctave_pcv_flag = Vprefer_column_vectors; |
|
|
1580 |
|
|
1581 return 0; |
|
|
1582 } |
|
|
1583 |
|
|
1584 static int |
|
|
1585 print_answer_id_name (void) |
|
|
1586 { |
|
|
1587 Vprint_answer_id_name = check_preference ("print_answer_id_name"); |
|
|
1588 |
|
|
1589 return 0; |
|
|
1590 } |
|
|
1591 |
|
|
1592 static int |
|
|
1593 propagate_empty_matrices (void) |
|
|
1594 { |
|
|
1595 Vpropagate_empty_matrices = check_preference ("propagate_empty_matrices"); |
|
|
1596 |
|
|
1597 return 0; |
|
|
1598 } |
|
|
1599 |
|
|
1600 static int |
|
|
1601 resize_on_range_error (void) |
|
|
1602 { |
|
|
1603 Vresize_on_range_error = check_preference ("resize_on_range_error"); |
|
|
1604 |
|
|
1605 liboctave_rre_flag = Vresize_on_range_error; |
|
|
1606 |
|
|
1607 return 0; |
|
|
1608 } |
|
|
1609 |
|
|
1610 static int |
|
|
1611 struct_levels_to_print (void) |
|
|
1612 { |
|
|
1613 double val; |
|
|
1614 if (builtin_real_scalar_variable ("struct_levels_to_print", val) |
|
|
1615 && ! xisnan (val)) |
|
|
1616 { |
|
|
1617 int ival = NINT (val); |
|
2800
|
1618 if (ival >= 0 && ival == val) |
|
2376
|
1619 { |
|
|
1620 Vstruct_levels_to_print = ival; |
|
|
1621 return 0; |
|
|
1622 } |
|
|
1623 } |
|
|
1624 gripe_invalid_value_specified ("struct_levels_to_print"); |
|
|
1625 return -1; |
|
|
1626 } |
|
|
1627 |
|
|
1628 static int |
|
|
1629 warn_divide_by_zero (void) |
|
|
1630 { |
|
|
1631 Vwarn_divide_by_zero = check_preference ("warn_divide_by_zero"); |
|
|
1632 |
|
|
1633 return 0; |
|
|
1634 } |
|
|
1635 |
|
|
1636 void |
|
2909
|
1637 symbols_of_ov (void) |
|
2376
|
1638 { |
|
3258
|
1639 DEFVAR (do_fortran_indexing, 0.0, do_fortran_indexing, |
|
3371
|
1640 "-*- texinfo -*-\n\ |
|
|
1641 @defvr {Built-in Variable} do_fortran_indexing\n\ |
|
|
1642 If the value of @code{do_fortran_indexing} is nonzero, Octave allows \n\ |
|
|
1643 you to select elements of a two-dimensional matrix using a single index\n\ |
|
|
1644 by treating the matrix as a single vector created from the columns of\n\ |
|
|
1645 the matrix. The default value is 0. \n\ |
|
|
1646 @end defvr"); |
|
2376
|
1647 |
|
3258
|
1648 DEFVAR (implicit_str_to_num_ok, 0.0, implicit_str_to_num_ok, |
|
3361
|
1649 "-*- texinfo -*-\n\ |
|
|
1650 @defvr {Built-in Variable} implicit_str_to_num_ok\n\ |
|
|
1651 If the value of @code{implicit_str_to_num_ok} is nonzero, implicit\n\ |
|
|
1652 conversions of strings to their numeric ASCII equivalents are allowed.\n\ |
|
|
1653 Otherwise, an error message is printed and control is returned to the\n\ |
|
|
1654 top level. The default value is 0.\n\ |
|
3363
|
1655 @end defvr"); |
|
2376
|
1656 |
|
3258
|
1657 DEFVAR (ok_to_lose_imaginary_part, "warn", ok_to_lose_imaginary_part, |
|
3370
|
1658 "-*- texinfo -*-\n\ |
|
|
1659 @defvr {Built-in Variable} ok_to_lose_imaginary_part\n\ |
|
|
1660 If the value of @code{ok_to_lose_imaginary_part} is nonzero, implicit\n\ |
|
|
1661 conversions of complex numbers to real numbers are allowed (for example,\n\ |
|
|
1662 by fsolve). If the value is @code{\"warn\"}, the conversion is allowed,\n\ |
|
|
1663 but a warning is printed. Otherwise, an error message is printed and\n\ |
|
|
1664 control is returned to the top level. The default value is\n\ |
|
|
1665 @code{\"warn\"}.\n\ |
|
|
1666 @end defvr"); |
|
2376
|
1667 |
|
3258
|
1668 DEFVAR (prefer_column_vectors, 1.0, prefer_column_vectors, |
|
3371
|
1669 "-*- texinfo -*-\n\ |
|
|
1670 @defvr {Built-in Variable} prefer_column_vectors\n\ |
|
|
1671 If @code{prefer_column_vectors} is nonzero, operations like\n\ |
|
|
1672 \n\ |
|
|
1673 @example\n\ |
|
|
1674 for i = 1:10\n\ |
|
|
1675 a (i) = i;\n\ |
|
|
1676 endfor\n\ |
|
|
1677 @end example\n\ |
|
|
1678 \n\ |
|
|
1679 @noindent\n\ |
|
|
1680 (for @code{a} previously undefined) produce column vectors. Otherwise, row\n\ |
|
|
1681 vectors are preferred. The default value is 1.\n\ |
|
|
1682 \n\ |
|
|
1683 If a variable is already defined to be a vector (a matrix with a single\n\ |
|
|
1684 row or column), the original orientation is respected, regardless of the\n\ |
|
|
1685 value of @code{prefer_column_vectors}.\n\ |
|
|
1686 @end defvr"); |
|
2376
|
1687 |
|
3258
|
1688 DEFVAR (print_answer_id_name, 1.0, print_answer_id_name, |
|
3372
|
1689 "-*- texinfo -*-\n\ |
|
|
1690 @defvr {Built-in Variable} print_answer_id_name\n\ |
|
|
1691 If the value of @code{print_answer_id_name} is nonzero, variable\n\ |
|
|
1692 names are printed along with the result. Otherwise, only the result\n\ |
|
|
1693 values are printed. The default value is 1.\n\ |
|
|
1694 @end defvr"); |
|
2376
|
1695 |
|
3258
|
1696 DEFVAR (propagate_empty_matrices, 1.0, propagate_empty_matrices, |
|
3321
|
1697 "-*- texinfo -*-\n\ |
|
|
1698 @defvr {Built-in Variable} propagate_empty_matrices\n\ |
|
|
1699 If the value of @code{propagate_empty_matrices} is nonzero,\n\ |
|
|
1700 functions like @code{inverse} and @code{svd} will return an empty matrix\n\ |
|
|
1701 if they are given one as an argument. The default value is 1.\n\ |
|
3333
|
1702 @end defvr"); |
|
2376
|
1703 |
|
3258
|
1704 DEFVAR (resize_on_range_error, 1.0, resize_on_range_error, |
|
3371
|
1705 "-*- texinfo -*-\n\ |
|
|
1706 @defvr {Built-in Variable} resize_on_range_error\n\ |
|
|
1707 If the value of @code{resize_on_range_error} is nonzero, expressions\n\ |
|
|
1708 like\n\ |
|
|
1709 \n\ |
|
|
1710 @example\n\ |
|
|
1711 for i = 1:10\n\ |
|
|
1712 a (i) = sqrt (i);\n\ |
|
|
1713 endfor\n\ |
|
|
1714 @end example\n\ |
|
|
1715 \n\ |
|
|
1716 @noindent\n\ |
|
|
1717 (for @code{a} previously undefined) result in the variable @code{a}\n\ |
|
|
1718 being resized to be just large enough to hold the new value. New\n\ |
|
|
1719 elements that have not been given a value are set to zero. If the value\n\ |
|
|
1720 of @code{resize_on_range_error} is 0, an error message is printed and\n\ |
|
|
1721 control is returned to the top level. The default value is 1.\n\ |
|
|
1722 @end defvr"); |
|
2376
|
1723 |
|
3258
|
1724 DEFVAR (struct_levels_to_print, 2.0, struct_levels_to_print, |
|
3361
|
1725 "-*- texinfo -*-\n\ |
|
|
1726 @defvr {Built-in Variable} struct_levels_to_print\n\ |
|
|
1727 You can tell Octave how many structure levels to display by setting the\n\ |
|
|
1728 built-in variable @code{struct_levels_to_print}. The default value is 2.\n\ |
|
3363
|
1729 @end defvr"); |
|
2376
|
1730 |
|
3258
|
1731 DEFVAR (warn_divide_by_zero, 1.0, warn_divide_by_zero, |
|
3371
|
1732 "-*- texinfo -*-\n\ |
|
|
1733 @defvr {Built-in Variable} warn_divide_by_zero\n\ |
|
|
1734 If the value of @code{warn_divide_by_zero} is nonzero, a warning\n\ |
|
|
1735 is issued when Octave encounters a division by zero. If the value is\n\ |
|
|
1736 0, the warning is omitted. The default value is 1.\n\ |
|
|
1737 @end defvr"); |
|
2376
|
1738 } |
|
|
1739 |
|
|
1740 /* |
|
|
1741 ;;; Local Variables: *** |
|
|
1742 ;;; mode: C++ *** |
|
|
1743 ;;; End: *** |
|
|
1744 */ |
