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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 (octave_value_h) |
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24 #define octave_value_h 1 |
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25 |
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26 #if defined (__GNUG__) |
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27 #pragma interface |
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28 #endif |
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29 |
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30 #include <cstdlib> |
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31 |
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32 #include <iostream> |
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33 #include <string> |
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34 |
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35 #include "Range.h" |
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36 #include "idx-vector.h" |
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37 #include "mx-base.h" |
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38 #include "oct-alloc.h" |
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39 #include "str-vec.h" |
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40 |
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41 #include "SLList.h" |
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42 |
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43 class Cell; |
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44 class Octave_map; |
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45 class octave_stream; |
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46 class octave_function; |
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47 class octave_value_list; |
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48 class octave_lvalue; |
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49 |
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50 // Constants. |
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51 |
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52 // This just provides a way to avoid infinite recursion when building |
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53 // octave_value objects. |
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54 |
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55 class |
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56 octave_xvalue |
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57 { |
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58 public: |
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59 |
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60 octave_xvalue (void) { } |
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61 }; |
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62 |
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63 class octave_value; |
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64 |
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65 // XXX FIXME XXX -- these should probably really be inside the scope |
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66 // of the octave_value class, but the cygwin32 beta16 version of g++ |
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67 // can't handle that. |
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68 |
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69 typedef octave_value (*unary_op_fcn) |
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70 (const octave_value&); |
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71 |
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72 typedef void (*non_const_unary_op_fcn) |
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73 (octave_value&); |
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74 |
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75 typedef octave_value (*binary_op_fcn) |
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76 (const octave_value&, const octave_value&); |
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77 |
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78 typedef octave_value (*assign_op_fcn) |
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79 (octave_value&, const octave_value_list&, const octave_value&); |
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80 |
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81 typedef octave_value * (*type_conv_fcn) (const octave_value&); |
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82 |
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83 class |
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84 octave_value |
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85 { |
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86 public: |
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87 |
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88 enum unary_op |
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89 { |
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90 op_not, |
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91 op_uminus, |
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92 op_transpose, |
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93 op_hermitian, |
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94 op_incr, |
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95 op_decr, |
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96 num_unary_ops, |
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97 unknown_unary_op |
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98 }; |
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99 |
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100 enum binary_op |
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101 { |
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102 op_add, |
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103 op_sub, |
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104 op_mul, |
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105 op_div, |
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106 op_pow, |
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107 op_ldiv, |
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108 op_lshift, |
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109 op_rshift, |
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110 op_lt, |
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111 op_le, |
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112 op_eq, |
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113 op_ge, |
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114 op_gt, |
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115 op_ne, |
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116 op_el_mul, |
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117 op_el_div, |
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118 op_el_pow, |
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119 op_el_ldiv, |
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120 op_el_and, |
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121 op_el_or, |
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122 op_struct_ref, |
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123 num_binary_ops, |
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124 unknown_binary_op |
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125 }; |
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126 |
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127 enum assign_op |
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128 { |
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129 op_asn_eq, |
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130 op_add_eq, |
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131 op_sub_eq, |
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132 op_mul_eq, |
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133 op_div_eq, |
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134 op_ldiv_eq, |
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135 op_lshift_eq, |
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136 op_rshift_eq, |
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137 op_el_mul_eq, |
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138 op_el_div_eq, |
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139 op_el_ldiv_eq, |
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140 op_el_and_eq, |
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141 op_el_or_eq, |
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142 num_assign_ops, |
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143 unknown_assign_op |
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144 }; |
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145 |
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146 static std::string unary_op_as_string (unary_op); |
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147 |
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148 static std::string binary_op_as_string (binary_op); |
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149 |
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150 static std::string assign_op_as_string (assign_op); |
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151 |
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152 static octave_value empty_conv (const std::string& type, |
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153 const octave_value& rhs = octave_value ()); |
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154 |
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155 enum magic_colon { magic_colon_t }; |
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156 enum all_va_args { all_va_args_t }; |
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157 |
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158 octave_value (void); |
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159 octave_value (double d); |
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160 octave_value (const Cell& m); |
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161 octave_value (const Matrix& m); |
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162 octave_value (const DiagMatrix& d); |
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163 octave_value (const RowVector& v); |
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164 octave_value (const ColumnVector& v); |
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165 octave_value (const Complex& C); |
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166 octave_value (const ComplexMatrix& m); |
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167 octave_value (const ComplexDiagMatrix& d); |
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168 octave_value (const ComplexRowVector& v); |
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169 octave_value (const ComplexColumnVector& v); |
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170 octave_value (bool b); |
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171 octave_value (const boolMatrix& bm); |
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172 octave_value (char c); |
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173 octave_value (const char *s); |
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174 octave_value (const std::string& s); |
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175 octave_value (const string_vector& s); |
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176 octave_value (const charMatrix& chm, bool is_string = false); |
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177 octave_value (double base, double limit, double inc); |
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178 octave_value (const Range& r); |
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179 octave_value (const Octave_map& m); |
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180 octave_value (const octave_stream& s, int n); |
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181 octave_value (octave_function *f); |
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182 octave_value (const octave_value_list& m); |
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183 octave_value (octave_value::magic_colon); |
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184 octave_value (octave_value::all_va_args); |
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185 |
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186 octave_value (octave_value *new_rep, int count = 1); |
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187 |
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188 // Copy constructor. |
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189 |
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190 octave_value (const octave_value& a) |
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191 { |
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192 rep = a.rep; |
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193 rep->count++; |
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194 } |
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195 |
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196 // This should only be called for derived types. |
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197 |
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198 virtual octave_value *clone (void) const; |
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199 |
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200 virtual octave_value *empty_clone (void) const |
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201 { return rep->empty_clone (); } |
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202 |
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203 // Delete the representation of this constant if the count drops to |
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204 // zero. |
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205 |
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206 virtual ~octave_value (void); |
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207 |
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208 void make_unique (void) |
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209 { |
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210 if (rep->count > 1) |
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211 { |
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212 --rep->count; |
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213 rep = rep->clone (); |
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214 rep->count = 1; |
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215 } |
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216 } |
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217 |
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218 // Simple assignment. |
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219 |
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220 octave_value& operator = (const octave_value& a) |
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221 { |
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222 if (rep != a.rep) |
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223 { |
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224 if (--rep->count == 0) |
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225 delete rep; |
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226 |
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227 rep = a.rep; |
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228 rep->count++; |
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229 } |
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230 |
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231 return *this; |
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232 } |
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233 |
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234 int get_count (void) const { return rep->count; } |
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235 |
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236 virtual type_conv_fcn numeric_conversion_function (void) const |
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237 { return rep->numeric_conversion_function (); } |
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238 |
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239 void maybe_mutate (void); |
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240 |
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241 virtual octave_value *try_narrowing_conversion (void) |
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242 { return rep->try_narrowing_conversion (); } |
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243 |
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244 virtual octave_value subsref (const std::string type, |
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245 const SLList<octave_value_list>& idx) |
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246 { return rep->subsref (type, idx); } |
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247 |
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248 octave_value subsref (const std::string type, const octave_value_list& idx) |
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249 { |
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250 SLList<octave_value_list> i; |
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251 |
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252 i.append (idx); |
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253 |
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254 return rep->subsref (type, i); |
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255 } |
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256 |
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257 virtual octave_value_list subsref (const std::string type, |
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258 const SLList<octave_value_list>& idx, |
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259 int nargout); |
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260 |
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261 octave_value next_subsref (const std::string type, const |
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262 SLList<octave_value_list>& idx, |
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263 int skip = 1); |
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264 |
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265 virtual octave_value do_index_op (const octave_value_list& idx, |
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266 int resize_ok) |
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267 { return rep->do_index_op (idx, resize_ok); } |
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268 |
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269 octave_value do_index_op (const octave_value_list& idx) |
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270 { return do_index_op (idx, 0); } |
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271 |
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272 virtual octave_value_list |
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273 do_multi_index_op (int nargout, const octave_value_list& idx); |
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274 |
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275 virtual octave_value subsasgn (const std::string type, |
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276 const SLList<octave_value_list>& idx, |
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277 const octave_value& rhs); |
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278 |
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279 octave_value assign (assign_op op, const std::string type, |
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280 const SLList<octave_value_list>& idx, |
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281 const octave_value& rhs); |
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282 |
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283 const octave_value& assign (assign_op, const octave_value& rhs); |
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284 |
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285 virtual idx_vector index_vector (void) const |
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286 { return rep->index_vector (); } |
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287 |
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288 // Size. |
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289 |
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290 virtual int rows (void) const |
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291 { return rep->rows (); } |
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292 |
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293 virtual int columns (void) const |
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294 { return rep->columns (); } |
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295 |
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296 virtual int length (void) const |
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297 { return rep->length (); } |
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298 |
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299 // Does this constant have a type? Both of these are provided since |
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300 // it is sometimes more natural to write is_undefined() instead of |
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301 // ! is_defined(). |
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302 |
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303 virtual bool is_defined (void) const |
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304 { return rep->is_defined (); } |
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305 |
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306 bool is_undefined (void) const |
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307 { return ! is_defined (); } |
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308 |
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309 virtual bool is_cell (void) const |
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310 { return rep->is_cell (); } |
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311 |
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312 virtual bool is_real_scalar (void) const |
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313 { return rep->is_real_scalar (); } |
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314 |
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315 virtual bool is_real_matrix (void) const |
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316 { return rep->is_real_matrix (); } |
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317 |
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318 virtual bool is_complex_scalar (void) const |
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319 { return rep->is_complex_scalar (); } |
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320 |
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321 virtual bool is_complex_matrix (void) const |
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322 { return rep->is_complex_matrix (); } |
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323 |
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324 virtual bool is_char_matrix (void) const |
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325 { return rep->is_char_matrix (); } |
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326 |
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327 virtual bool is_string (void) const |
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328 { return rep->is_string (); } |
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329 |
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330 virtual bool is_range (void) const |
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331 { return rep->is_range (); } |
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332 |
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333 virtual bool is_map (void) const |
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334 { return rep->is_map (); } |
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335 |
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336 virtual bool is_stream (void) const |
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337 { return rep->is_stream (); } |
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338 |
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339 virtual bool is_list (void) const |
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340 { return rep->is_list (); } |
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341 |
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342 virtual bool is_magic_colon (void) const |
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343 { return rep->is_magic_colon (); } |
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344 |
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345 virtual bool is_all_va_args (void) const |
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346 { return rep->is_all_va_args (); } |
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347 |
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348 // Are any or all of the elements in this constant nonzero? |
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349 |
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350 virtual octave_value all (void) const |
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351 { return rep->all (); } |
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352 |
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353 virtual octave_value any (void) const |
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354 { return rep->any (); } |
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355 |
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356 // Other type stuff. |
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357 |
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358 virtual bool is_bool_type (void) const |
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359 { return rep->is_bool_type (); } |
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360 |
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361 virtual bool is_real_type (void) const |
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362 { return rep->is_real_type (); } |
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363 |
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364 virtual bool is_complex_type (void) const |
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365 { return rep->is_complex_type (); } |
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366 |
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367 virtual bool is_scalar_type (void) const |
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368 { return rep->is_scalar_type (); } |
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369 |
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370 virtual bool is_matrix_type (void) const |
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371 { return rep->is_matrix_type (); } |
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372 |
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373 virtual bool is_numeric_type (void) const |
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374 { return rep->is_numeric_type (); } |
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375 |
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376 virtual bool valid_as_scalar_index (void) const |
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377 { return rep->valid_as_scalar_index (); } |
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378 |
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379 virtual bool valid_as_zero_index (void) const |
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380 { return rep->valid_as_zero_index (); } |
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381 |
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382 // Does this constant correspond to a truth value? |
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383 |
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384 virtual bool is_true (void) const |
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385 { return rep->is_true (); } |
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386 |
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387 // Is at least one of the dimensions of this constant zero? |
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388 |
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389 virtual bool is_empty (void) const |
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390 { return rep->is_empty (); } |
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391 |
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392 // Are the dimensions of this constant zero by zero? |
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393 |
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394 virtual bool is_zero_by_zero (void) const |
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395 { return rep->is_zero_by_zero (); } |
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396 |
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397 virtual bool is_constant (void) const |
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398 { return rep->is_constant (); } |
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399 |
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400 virtual bool is_function (void) const |
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401 { return rep->is_function (); } |
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402 |
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403 virtual bool is_builtin_function (void) const |
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404 { return rep->is_builtin_function (); } |
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405 |
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406 virtual bool is_dld_function (void) const |
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407 { return rep->is_dld_function (); } |
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408 |
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409 // Values. |
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410 |
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411 octave_value eval (void) { return *this; } |
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412 |
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413 virtual int int_value (bool req_int = false, bool frc_str_conv = false) const |
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414 { return rep->int_value (req_int, frc_str_conv); } |
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415 |
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416 virtual int nint_value (bool frc_str_conv = false) const |
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417 { return rep->nint_value (frc_str_conv); } |
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418 |
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419 virtual double double_value (bool frc_str_conv = false) const |
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420 { return rep->double_value (frc_str_conv); } |
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421 |
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422 virtual double scalar_value (bool frc_str_conv = false) const |
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423 { return rep->scalar_value (frc_str_conv); } |
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424 |
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425 virtual Cell cell_value (void) const; |
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426 |
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427 virtual Matrix matrix_value (bool frc_str_conv = false) const |
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428 { return rep->matrix_value (frc_str_conv); } |
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429 |
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430 virtual Complex complex_value (bool frc_str_conv = false) const |
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431 { return rep->complex_value (frc_str_conv); } |
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432 |
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433 virtual ComplexMatrix complex_matrix_value (bool frc_str_conv = false) const |
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434 { return rep->complex_matrix_value (frc_str_conv); } |
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435 |
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436 virtual charMatrix char_matrix_value (bool frc_str_conv = false) const |
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437 { return rep->char_matrix_value (frc_str_conv); } |
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438 |
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439 virtual string_vector all_strings (void) const |
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440 { return rep->all_strings (); } |
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441 |
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442 virtual std::string string_value (void) const |
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443 { return rep->string_value (); } |
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444 |
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445 virtual Range range_value (void) const |
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446 { return rep->range_value (); } |
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447 |
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448 virtual Octave_map map_value (void) const; |
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449 |
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450 virtual string_vector map_keys (void) const |
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451 { return rep->map_keys (); } |
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452 |
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453 virtual octave_stream stream_value (void) const; |
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454 |
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455 virtual int stream_number (void) const; |
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456 |
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457 virtual octave_function *function_value (bool silent = false); |
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458 |
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459 virtual octave_value_list list_value (void) const; |
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460 |
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2825
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461 virtual bool bool_value (void) const |
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462 { return rep->bool_value (); } |
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463 |
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464 virtual boolMatrix bool_matrix_value (void) const |
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465 { return rep->bool_matrix_value (); } |
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466 |
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3419
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467 ColumnVector column_vector_value (bool frc_str_conv = false, |
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2376
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468 bool frc_vec_conv = false) const; |
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469 |
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470 ComplexColumnVector |
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3419
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471 complex_column_vector_value (bool frc_str_conv = false, |
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2376
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472 bool frc_vec_conv = false) const; |
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473 |
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3419
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474 RowVector row_vector_value (bool frc_str_conv = false, |
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475 bool frc_vec_conv = false) const; |
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476 |
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477 ComplexRowVector |
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478 complex_row_vector_value (bool frc_str_conv = false, |
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479 bool frc_vec_conv = false) const; |
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480 |
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481 Array<double> vector_value (bool frc_str_conv = false, |
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482 bool frc_vec_conv = false) const; |
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483 |
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484 Array<Complex> complex_vector_value (bool frc_str_conv = false, |
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485 bool frc_vec_conv = false) const; |
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486 |
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2376
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487 // Conversions. These should probably be private. If a user of this |
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488 // class wants a certain kind of constant, he should simply ask for |
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489 // it, and we should convert it if possible. |
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490 |
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491 virtual octave_value convert_to_str (void) const |
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492 { return rep->convert_to_str (); } |
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493 |
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494 virtual void convert_to_row_or_column_vector (void) |
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495 { rep->convert_to_row_or_column_vector (); } |
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496 |
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3523
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497 virtual void print (std::ostream& os, bool pr_as_read_syntax = false) const |
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2466
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498 { rep->print (os, pr_as_read_syntax); } |
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2376
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499 |
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3523
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500 virtual void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const |
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2903
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501 { rep->print_raw (os, pr_as_read_syntax); } |
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502 |
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3523
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503 virtual bool print_name_tag (std::ostream& os, const std::string& name) const |
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2903
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504 { return rep->print_name_tag (os, name); } |
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2376
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505 |
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3523
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506 void print_with_name (std::ostream& os, const std::string& name, |
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2903
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507 bool print_padding = true) const; |
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2376
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508 |
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509 virtual int type_id (void) const { return rep->type_id (); } |
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510 |
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3523
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511 virtual std::string type_name (void) const { return rep->type_name (); } |
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2376
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512 |
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3203
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513 // Unary and binary operations. |
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514 |
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3933
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515 friend octave_value do_unary_op (unary_op op, |
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516 const octave_value& a); |
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3203
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517 |
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3933
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518 const octave_value& do_non_const_unary_op (unary_op op); |
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519 |
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520 void do_non_const_unary_op (unary_op op, const octave_value_list& idx); |
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2376
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521 |
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3933
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522 octave_value do_non_const_unary_op (unary_op op, const std::string type, |
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523 const SLList<octave_value_list>& idx); |
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3205
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524 |
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3933
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525 friend octave_value do_binary_op (binary_op op, |
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526 const octave_value& a, |
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527 const octave_value& b); |
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2376
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528 |
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3301
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529 const octave_value& get_rep (void) const { return *rep; } |
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530 |
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3933
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531 virtual void print_info (std::ostream& os, |
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532 const std::string& prefix = std::string ()) const; |
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533 |
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2376
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534 protected: |
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535 |
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536 octave_value (const octave_xvalue&) : rep (0) { } |
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537 |
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3933
|
538 // This should only be called for derived types. |
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539 |
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540 octave_value numeric_assign (const std::string type, |
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541 const SLList<octave_value_list>& idx, |
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542 const octave_value& rhs); |
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543 |
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2903
|
544 void reset_indent_level (void) const |
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545 { curr_print_indent_level = 0; } |
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546 |
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547 void increment_indent_level (void) const |
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548 { curr_print_indent_level += 2; } |
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549 |
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550 void decrement_indent_level (void) const |
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551 { curr_print_indent_level -= 2; } |
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552 |
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553 int current_print_indent_level (void) const |
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|
554 { return curr_print_indent_level; } |
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555 |
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3523
|
556 void newline (std::ostream& os) const; |
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2903
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557 |
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3523
|
558 void indent (std::ostream& os) const; |
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2903
|
559 |
|
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560 void reset (void) const; |
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561 |
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2376
|
562 union |
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563 { |
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564 octave_value *rep; // The real representation. |
|
|
565 int count; // A reference count. |
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|
566 }; |
|
2413
|
567 |
|
3933
|
568 private: |
|
2903
|
569 |
|
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570 static int curr_print_indent_level; |
|
|
571 static bool beginning_of_line; |
|
3204
|
572 |
|
3205
|
573 assign_op unary_op_to_assign_op (unary_op op); |
|
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574 |
|
3204
|
575 binary_op op_eq_to_binary_op (assign_op op); |
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576 |
|
3219
|
577 DECLARE_OCTAVE_ALLOCATOR |
|
2376
|
578 }; |
|
|
579 |
|
3203
|
580 #define OV_UNOP_FN(name) \ |
|
|
581 inline octave_value \ |
|
|
582 name (const octave_value& a) \ |
|
|
583 { \ |
|
|
584 return do_unary_op (octave_value::name, a); \ |
|
|
585 } |
|
|
586 |
|
|
587 #define OV_UNOP_OP(name, op) \ |
|
|
588 inline octave_value \ |
|
|
589 operator op (const octave_value& a) \ |
|
|
590 { \ |
|
|
591 return name (a); \ |
|
|
592 } |
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|
593 |
|
|
594 #define OV_UNOP_FN_OP(name, op) \ |
|
|
595 OV_UNOP_FN (name) \ |
|
|
596 OV_UNOP_OP (name, op) |
|
|
597 |
|
3525
|
598 OV_UNOP_FN_OP (op_not, !) |
|
|
599 OV_UNOP_FN_OP (op_uminus, -) |
|
3203
|
600 |
|
3525
|
601 OV_UNOP_FN (op_transpose) |
|
|
602 OV_UNOP_FN (op_hermitian) |
|
3203
|
603 |
|
|
604 // No simple way to define these for prefix and suffix ops? |
|
|
605 // |
|
|
606 // incr |
|
|
607 // decr |
|
|
608 |
|
|
609 #define OV_BINOP_FN(name) \ |
|
|
610 inline octave_value \ |
|
|
611 name (const octave_value& a1, const octave_value& a2) \ |
|
|
612 { \ |
|
|
613 return do_binary_op (octave_value::name, a1, a2); \ |
|
|
614 } |
|
|
615 |
|
|
616 #define OV_BINOP_OP(name, op) \ |
|
|
617 inline octave_value \ |
|
|
618 operator op (const octave_value& a1, const octave_value& a2) \ |
|
|
619 { \ |
|
|
620 return name (a1, a2); \ |
|
|
621 } |
|
|
622 |
|
|
623 #define OV_BINOP_FN_OP(name, op) \ |
|
|
624 OV_BINOP_FN (name) \ |
|
|
625 OV_BINOP_OP (name, op) |
|
|
626 |
|
3525
|
627 OV_BINOP_FN_OP (op_add, +) |
|
|
628 OV_BINOP_FN_OP (op_sub, -) |
|
|
629 OV_BINOP_FN_OP (op_mul, *) |
|
|
630 OV_BINOP_FN_OP (op_div, /) |
|
3203
|
631 |
|
3525
|
632 OV_BINOP_FN (op_pow) |
|
|
633 OV_BINOP_FN (op_ldiv) |
|
|
634 OV_BINOP_FN (op_lshift) |
|
|
635 OV_BINOP_FN (op_rshift) |
|
3203
|
636 |
|
3525
|
637 OV_BINOP_FN_OP (op_lt, <) |
|
|
638 OV_BINOP_FN_OP (op_le, <=) |
|
|
639 OV_BINOP_FN_OP (op_eq, ==) |
|
|
640 OV_BINOP_FN_OP (op_ge, >=) |
|
|
641 OV_BINOP_FN_OP (op_gt, >) |
|
|
642 OV_BINOP_FN_OP (op_ne, !=) |
|
3203
|
643 |
|
3525
|
644 OV_BINOP_FN (op_el_mul) |
|
|
645 OV_BINOP_FN (op_el_div) |
|
|
646 OV_BINOP_FN (op_el_pow) |
|
|
647 OV_BINOP_FN (op_el_ldiv) |
|
|
648 OV_BINOP_FN (op_el_and) |
|
|
649 OV_BINOP_FN (op_el_or) |
|
3203
|
650 |
|
3525
|
651 OV_BINOP_FN (op_struct_ref) |
|
3203
|
652 |
|
3219
|
653 // T_ID is the type id of struct objects, set by register_type(). |
|
|
654 // T_NAME is the type name of struct objects. |
|
|
655 #define DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA \ |
|
|
656 public: \ |
|
|
657 int type_id (void) const { return t_id; } \ |
|
3523
|
658 std::string type_name (void) const { return t_name; } \ |
|
3301
|
659 static volatile int static_type_id (void) { return t_id; } \ |
|
3219
|
660 static void register_type (void) \ |
|
|
661 { t_id = octave_value_typeinfo::register_type (t_name); } \ |
|
|
662 \ |
|
|
663 private: \ |
|
3301
|
664 static volatile int t_id; \ |
|
3523
|
665 static const std::string t_name; |
|
3219
|
666 |
|
|
667 #define DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA(t, n) \ |
|
3301
|
668 volatile int t::t_id (-1); \ |
|
3523
|
669 const std::string t::t_name (n) |
|
3219
|
670 |
|
2376
|
671 // If TRUE, allow assignments like |
|
|
672 // |
|
|
673 // octave> A(1) = 3; A(2) = 5 |
|
|
674 // |
|
|
675 // for A already defined and a matrix type. |
|
|
676 extern bool Vdo_fortran_indexing; |
|
|
677 |
|
|
678 // Should we allow things like: |
|
|
679 // |
|
|
680 // octave> 'abc' + 0 |
|
|
681 // 97 98 99 |
|
|
682 // |
|
|
683 // to happen? A positive value means yes. A negative value means |
|
|
684 // yes, but print a warning message. Zero means it should be |
|
|
685 // considered an error. |
|
|
686 extern int Vimplicit_str_to_num_ok; |
|
|
687 |
|
|
688 // Should we allow silent conversion of complex to real when a real |
|
|
689 // type is what we're really looking for? A positive value means yes. |
|
|
690 // A negative value means yes, but print a warning message. Zero |
|
|
691 // means it should be considered an error. |
|
|
692 extern int Vok_to_lose_imaginary_part; |
|
|
693 |
|
|
694 // If TRUE, print the name along with the value. |
|
|
695 extern bool Vprint_answer_id_name; |
|
|
696 |
|
|
697 // Should operations on empty matrices return empty matrices or an |
|
|
698 // error? A positive value means yes. A negative value means yes, |
|
|
699 // but print a warning message. Zero means it should be considered an |
|
|
700 // error. |
|
|
701 extern int Vpropagate_empty_matrices; |
|
|
702 |
|
|
703 // How many levels of structure elements should we print? |
|
|
704 extern int Vstruct_levels_to_print; |
|
|
705 |
|
|
706 // Allow divide by zero errors to be suppressed. |
|
|
707 extern bool Vwarn_divide_by_zero; |
|
|
708 |
|
3195
|
709 // If TRUE, resize matrices when performing and indexed assignment and |
|
|
710 // the indices are outside the current bounds. |
|
|
711 extern bool Vresize_on_range_error; |
|
|
712 |
|
2376
|
713 // Indentation level for structures. |
|
|
714 extern int struct_indent; |
|
|
715 |
|
|
716 extern void increment_struct_indent (void); |
|
|
717 extern void decrement_struct_indent (void); |
|
|
718 |
|
2880
|
719 // Indentation level for lists. |
|
|
720 extern int list_indent; |
|
|
721 |
|
|
722 extern void increment_list_indent (void); |
|
|
723 extern void decrement_list_indent (void); |
|
|
724 |
|
2376
|
725 extern void install_types (void); |
|
|
726 |
|
|
727 #endif |
|
|
728 |
|
|
729 /* |
|
|
730 ;; Local Variables: *** |
|
|
731 ;; mode: C++ *** |
|
|
732 ;; End: *** |
|
|
733 */ |
