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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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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20 02110-1301, USA. |
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21 |
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22 */ |
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23 |
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24 #if !defined (octave_value_typeinfo_h) |
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25 #define octave_value_typeinfo_h 1 |
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26 |
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27 #include <string> |
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28 |
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29 #include "Array.h" |
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30 #include "Array2.h" |
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31 #include "Array3.h" |
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32 |
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33 #include "ov.h" |
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34 |
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35 class string_vector; |
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36 |
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37 class |
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38 octave_value_typeinfo |
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39 { |
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40 public: |
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41 |
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42 typedef octave_value (*unary_op_fcn) (const octave_base_value&); |
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43 |
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44 typedef void (*non_const_unary_op_fcn) (octave_base_value&); |
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45 |
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46 typedef octave_value (*binary_op_fcn) |
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47 (const octave_base_value&, const octave_base_value&); |
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48 |
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49 typedef octave_value (*cat_op_fcn) |
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50 (octave_base_value&, const octave_base_value&, const Array<int>& ra_idx); |
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51 |
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52 typedef octave_value (*assign_op_fcn) |
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53 (octave_base_value&, const octave_value_list&, const octave_base_value&); |
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54 |
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55 typedef octave_value (*assignany_op_fcn) |
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56 (octave_base_value&, const octave_value_list&, const octave_value&); |
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57 |
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58 static bool instance_ok (void); |
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59 |
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60 static int register_type (const std::string&, const std::string&, |
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61 const octave_value&); |
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62 |
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63 static bool register_unary_op (octave_value::unary_op, int, unary_op_fcn); |
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64 |
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65 static bool register_non_const_unary_op (octave_value::unary_op, int, |
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66 non_const_unary_op_fcn); |
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67 |
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68 static bool register_binary_op (octave_value::binary_op, int, int, |
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69 binary_op_fcn); |
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70 |
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71 static bool register_cat_op (int, int, cat_op_fcn); |
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72 |
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73 static bool register_assign_op (octave_value::assign_op, int, int, |
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74 assign_op_fcn); |
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75 |
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76 static bool register_assignany_op (octave_value::assign_op, int, |
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77 assignany_op_fcn); |
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78 |
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79 static bool register_pref_assign_conv (int, int, int); |
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80 |
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81 static bool |
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82 register_type_conv_op (int, int, octave_base_value::type_conv_fcn); |
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83 |
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84 static bool |
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85 register_widening_op (int, int, octave_base_value::type_conv_fcn); |
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86 |
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87 static octave_value |
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88 lookup_type (const std::string& nm) |
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89 { |
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90 return instance->do_lookup_type (nm); |
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91 } |
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92 |
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93 static unary_op_fcn |
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94 lookup_unary_op (octave_value::unary_op op, int t) |
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95 { |
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96 return instance->do_lookup_unary_op (op, t); |
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97 } |
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98 |
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99 static non_const_unary_op_fcn |
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100 lookup_non_const_unary_op (octave_value::unary_op op, int t) |
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101 { |
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102 return instance->do_lookup_non_const_unary_op (op, t); |
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103 } |
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104 |
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105 static binary_op_fcn |
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106 lookup_binary_op (octave_value::binary_op op, int t1, int t2) |
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107 { |
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108 return instance->do_lookup_binary_op (op, t1, t2); |
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109 } |
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110 |
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111 static cat_op_fcn |
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112 lookup_cat_op (int t1, int t2) |
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113 { |
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114 return instance->do_lookup_cat_op (t1, t2); |
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115 } |
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116 |
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117 static assign_op_fcn |
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118 lookup_assign_op (octave_value::assign_op op, int t_lhs, int t_rhs) |
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119 { |
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120 return instance->do_lookup_assign_op (op, t_lhs, t_rhs); |
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121 } |
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122 |
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123 static assignany_op_fcn |
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124 lookup_assignany_op (octave_value::assign_op op, int t_lhs) |
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125 { |
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126 return instance->do_lookup_assignany_op (op, t_lhs); |
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127 } |
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128 |
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129 static int |
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130 lookup_pref_assign_conv (int t_lhs, int t_rhs) |
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131 { |
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132 return instance->do_lookup_pref_assign_conv (t_lhs, t_rhs); |
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133 } |
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134 |
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135 static octave_base_value::type_conv_fcn |
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136 lookup_type_conv_op (int t, int t_result) |
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137 { |
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138 return instance->do_lookup_type_conv_op (t, t_result); |
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139 } |
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140 |
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141 static octave_base_value::type_conv_fcn |
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142 lookup_widening_op (int t, int t_result) |
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143 { |
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144 return instance->do_lookup_widening_op (t, t_result); |
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145 } |
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146 |
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147 static string_vector installed_type_names (void) |
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148 { |
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149 return instance->do_installed_type_names (); |
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150 } |
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151 |
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152 protected: |
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153 |
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154 octave_value_typeinfo (void) |
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155 : num_types (0), types (init_tab_sz, std::string ()), |
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156 vals (init_tab_sz), |
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157 unary_ops (octave_value::num_unary_ops, init_tab_sz, |
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158 (unary_op_fcn) 0), |
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159 non_const_unary_ops (octave_value::num_unary_ops, init_tab_sz, |
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160 (non_const_unary_op_fcn) 0), |
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161 binary_ops (octave_value::num_binary_ops, init_tab_sz, |
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162 init_tab_sz, (binary_op_fcn) 0), |
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163 cat_ops (init_tab_sz, init_tab_sz, (cat_op_fcn) 0), |
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164 assign_ops (octave_value::num_assign_ops, init_tab_sz, |
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165 init_tab_sz, (assign_op_fcn) 0), |
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166 assignany_ops (octave_value::num_assign_ops, init_tab_sz, |
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167 (assignany_op_fcn) 0), |
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168 pref_assign_conv (init_tab_sz, init_tab_sz, -1), |
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169 type_conv_ops (init_tab_sz, init_tab_sz, (octave_base_value::type_conv_fcn) 0), |
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170 widening_ops (init_tab_sz, init_tab_sz, (octave_base_value::type_conv_fcn) 0) { } |
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171 |
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172 private: |
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173 |
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174 static const int init_tab_sz; |
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175 |
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176 static octave_value_typeinfo *instance; |
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177 |
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178 int num_types; |
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179 |
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180 Array<std::string> types; |
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181 |
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182 Array<octave_value> vals; |
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183 |
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184 Array2<unary_op_fcn> unary_ops; |
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185 |
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186 Array2<non_const_unary_op_fcn> non_const_unary_ops; |
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187 |
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188 Array3<binary_op_fcn> binary_ops; |
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189 |
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190 Array2<cat_op_fcn> cat_ops; |
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191 |
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192 Array3<assign_op_fcn> assign_ops; |
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193 |
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194 Array2<assignany_op_fcn> assignany_ops; |
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195 |
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196 Array2<int> pref_assign_conv; |
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197 |
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198 Array2<octave_base_value::type_conv_fcn> type_conv_ops; |
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199 |
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200 Array2<octave_base_value::type_conv_fcn> widening_ops; |
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201 |
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202 int do_register_type (const std::string&, const std::string&, |
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203 const octave_value&); |
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204 |
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205 bool do_register_unary_op (octave_value::unary_op, int, unary_op_fcn); |
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206 |
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207 bool do_register_non_const_unary_op (octave_value::unary_op, int, |
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208 non_const_unary_op_fcn); |
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209 |
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210 bool do_register_binary_op (octave_value::binary_op, int, int, |
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211 binary_op_fcn); |
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212 |
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213 bool do_register_cat_op (int, int, cat_op_fcn); |
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214 |
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215 bool do_register_assign_op (octave_value::assign_op, int, int, |
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216 assign_op_fcn); |
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217 |
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218 bool do_register_assignany_op (octave_value::assign_op, int, |
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219 assignany_op_fcn); |
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220 |
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221 bool do_register_pref_assign_conv (int, int, int); |
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222 |
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223 bool do_register_type_conv_op (int, int, octave_base_value::type_conv_fcn); |
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224 |
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225 bool do_register_widening_op (int, int, octave_base_value::type_conv_fcn); |
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226 |
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227 octave_value do_lookup_type (const std::string& nm); |
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228 |
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229 unary_op_fcn do_lookup_unary_op (octave_value::unary_op, int); |
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230 |
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231 non_const_unary_op_fcn do_lookup_non_const_unary_op |
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232 (octave_value::unary_op, int); |
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233 |
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234 binary_op_fcn do_lookup_binary_op (octave_value::binary_op, int, int); |
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235 |
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236 cat_op_fcn do_lookup_cat_op (int, int); |
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237 |
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238 assign_op_fcn do_lookup_assign_op (octave_value::assign_op, int, int); |
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239 |
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240 assignany_op_fcn do_lookup_assignany_op (octave_value::assign_op, int); |
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241 |
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242 int do_lookup_pref_assign_conv (int, int); |
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243 |
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244 octave_base_value::type_conv_fcn do_lookup_type_conv_op (int, int); |
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245 |
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246 octave_base_value::type_conv_fcn do_lookup_widening_op (int, int); |
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247 |
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248 string_vector do_installed_type_names (void); |
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249 |
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250 // No copying! |
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251 |
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252 octave_value_typeinfo (const octave_value_typeinfo&); |
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253 |
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254 octave_value_typeinfo& operator = (const octave_value_typeinfo&); |
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255 }; |
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256 |
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257 #endif |
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258 |
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259 /* |
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260 ;; Local Variables: *** |
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261 ;; mode: C++ *** |
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262 ;; End: *** |
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263 */ |
