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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_typeinfo_h) |
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24 #define octave_value_typeinfo_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 <string> |
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31 |
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32 #include "Array.h" |
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33 #include "Array2.h" |
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34 #include "Array3.h" |
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35 |
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36 #include "ov.h" |
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37 |
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38 class string_vector; |
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39 |
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40 class |
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41 octave_value_typeinfo |
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42 { |
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43 public: |
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44 |
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45 static bool instance_ok (void); |
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46 |
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47 static int register_type (const string&); |
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48 |
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49 static bool register_unary_op (octave_value::unary_op, int, unary_op_fcn); |
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50 |
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51 static bool register_non_const_unary_op (octave_value::unary_op, int, |
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52 non_const_unary_op_fcn); |
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53 |
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54 static bool register_binary_op (octave_value::binary_op, int, int, |
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55 binary_op_fcn); |
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56 |
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57 static bool register_assign_op (octave_value::assign_op, int, int, |
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58 assign_op_fcn); |
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59 |
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60 static bool register_assignany_op (octave_value::assign_op, int, |
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61 assign_op_fcn); |
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62 |
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63 static bool register_pref_assign_conv (int, int, int); |
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64 |
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65 static bool register_widening_op (int, int, type_conv_fcn); |
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66 |
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67 static unary_op_fcn |
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68 lookup_unary_op (octave_value::unary_op op, int t) |
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69 { |
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70 return instance->do_lookup_unary_op (op, t); |
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71 } |
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72 |
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73 static non_const_unary_op_fcn |
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74 lookup_non_const_unary_op (octave_value::unary_op op, int t) |
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75 { |
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76 return instance->do_lookup_non_const_unary_op (op, t); |
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77 } |
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78 |
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79 static binary_op_fcn |
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80 lookup_binary_op (octave_value::binary_op op, int t1, int t2) |
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81 { |
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82 return instance->do_lookup_binary_op (op, t1, t2); |
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83 } |
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84 |
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85 static assign_op_fcn |
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86 lookup_assign_op (octave_value::assign_op op, int t_lhs, int t_rhs) |
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87 { |
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88 return instance->do_lookup_assign_op (op, t_lhs, t_rhs); |
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89 } |
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90 |
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91 static assign_op_fcn |
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92 lookup_assignany_op (octave_value::assign_op op, int t_lhs) |
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93 { |
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94 return instance->do_lookup_assignany_op (op, t_lhs); |
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95 } |
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96 |
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97 static int |
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98 lookup_pref_assign_conv (int t_lhs, int t_rhs) |
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99 { |
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100 return instance->do_lookup_pref_assign_conv (t_lhs, t_rhs); |
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101 } |
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102 |
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103 static type_conv_fcn |
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104 lookup_widening_op (int t, int t_result) |
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105 { |
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106 return instance->do_lookup_widening_op (t, t_result); |
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107 } |
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108 |
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109 static string_vector installed_type_names (void) |
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110 { |
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111 return instance->do_installed_type_names (); |
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112 } |
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113 |
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114 protected: |
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115 |
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116 octave_value_typeinfo (void) |
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117 : num_types (0), types (init_tab_sz, string ()), |
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118 unary_ops (octave_value::num_unary_ops, init_tab_sz, |
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119 (unary_op_fcn) 0), |
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120 non_const_unary_ops (octave_value::num_unary_ops, init_tab_sz, |
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121 (non_const_unary_op_fcn) 0), |
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122 binary_ops (octave_value::num_binary_ops, init_tab_sz, |
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123 init_tab_sz, (binary_op_fcn) 0), |
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124 assign_ops (octave_value::num_assign_ops, init_tab_sz, |
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125 init_tab_sz, (assign_op_fcn) 0), |
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126 assignany_ops (octave_value::num_assign_ops, init_tab_sz, |
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127 (assign_op_fcn) 0), |
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128 pref_assign_conv (init_tab_sz, init_tab_sz, -1), |
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129 widening_ops (init_tab_sz, init_tab_sz, (type_conv_fcn) 0) { } |
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130 |
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131 private: |
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132 |
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133 static const int init_tab_sz; |
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134 |
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135 static octave_value_typeinfo *instance; |
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136 |
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137 int num_types; |
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138 |
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139 Array<string> types; |
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140 |
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141 Array2<unary_op_fcn> unary_ops; |
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142 |
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143 Array2<non_const_unary_op_fcn> non_const_unary_ops; |
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144 |
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145 Array3<binary_op_fcn> binary_ops; |
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146 |
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147 Array3<assign_op_fcn> assign_ops; |
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148 |
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149 Array2<assign_op_fcn> assignany_ops; |
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150 |
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151 Array2<int> pref_assign_conv; |
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152 |
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153 Array2<type_conv_fcn> widening_ops; |
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154 |
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155 int do_register_type (const string&); |
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156 |
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157 bool do_register_unary_op (octave_value::unary_op, int, unary_op_fcn); |
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158 |
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159 bool do_register_non_const_unary_op (octave_value::unary_op, int, |
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160 non_const_unary_op_fcn); |
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161 |
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162 bool do_register_binary_op (octave_value::binary_op, int, int, |
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163 binary_op_fcn); |
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164 |
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165 bool do_register_assign_op (octave_value::assign_op, int, int, |
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166 assign_op_fcn); |
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167 |
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168 bool do_register_assignany_op (octave_value::assign_op, int, |
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169 assign_op_fcn); |
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170 |
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171 bool do_register_pref_assign_conv (int, int, int); |
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172 |
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173 bool do_register_widening_op (int, int, type_conv_fcn); |
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174 |
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175 unary_op_fcn do_lookup_unary_op (octave_value::unary_op, int); |
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176 |
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177 non_const_unary_op_fcn do_lookup_non_const_unary_op |
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178 (octave_value::unary_op, int); |
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179 |
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180 binary_op_fcn do_lookup_binary_op (octave_value::binary_op, int, int); |
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181 |
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182 assign_op_fcn do_lookup_assign_op (octave_value::assign_op, int, int); |
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183 |
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184 assign_op_fcn do_lookup_assignany_op (octave_value::assign_op, int); |
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185 |
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186 int do_lookup_pref_assign_conv (int, int); |
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187 |
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188 type_conv_fcn do_lookup_widening_op (int, int); |
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189 |
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190 string_vector do_installed_type_names (void); |
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191 |
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192 // No copying! |
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193 |
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194 octave_value_typeinfo (const octave_value_typeinfo&); |
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195 |
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196 octave_value_typeinfo& operator = (const octave_value_typeinfo&); |
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197 }; |
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198 |
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199 #endif |
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200 |
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201 /* |
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202 ;; Local Variables: *** |
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203 ;; mode: C++ *** |
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204 ;; End: *** |
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205 */ |
