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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_defun_int_h) |
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24 #define octave_defun_int_h 1 |
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25 |
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26 #include <string> |
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27 |
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28 #include "ov-builtin.h" |
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29 #include "ov-dld-fcn.h" |
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30 #include "ov-mapper.h" |
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31 #include "symtab.h" |
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32 #include "version.h" |
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33 |
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34 class octave_value; |
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35 |
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36 extern void print_usage (const std::string& nm, bool just_usage = false); |
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37 |
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38 extern void check_version (const std::string& version, const std::string& fcn); |
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39 |
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40 extern void |
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41 install_builtin_mapper (octave_mapper *mf); |
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42 |
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43 extern void |
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44 install_builtin_function (octave_builtin::fcn f, const std::string& name, |
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45 const std::string& doc, bool is_text_fcn = false); |
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46 |
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47 extern void |
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48 install_builtin_variable (const std::string& n, const octave_value& v, |
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49 bool p, bool e, |
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50 symbol_record::change_function chg_fcn, |
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51 const std::string& h); |
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52 |
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53 extern void |
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54 install_builtin_constant (const std::string& n, const octave_value& v, |
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55 bool p, const std::string& h); |
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56 |
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57 extern void |
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58 install_dld_function (octave_dld_function::fcn f, const std::string& name, |
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59 const octave_shlib& shl, |
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60 const std::string& doc, bool is_text_fcn = false); |
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61 |
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62 extern void |
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63 alias_builtin (const std::string& alias, const std::string& name); |
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64 |
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65 #define DECLARE_FUN(name, args_name, nargout_name) \ |
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66 octave_value_list \ |
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67 F ## name (const octave_value_list& args_name, int nargout_name) |
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68 |
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69 // Define the code that will be used to insert the new function into |
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70 // the symbol table. We look for this name instead of the actual |
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71 // function so that we can easily install the doc std::string too. |
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72 |
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73 typedef bool (*octave_dld_fcn_installer) (const octave_shlib&); |
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74 |
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75 #define DEFINE_FUN_INSTALLER_FUN(name, doc) \ |
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76 bool \ |
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77 FS ## name (const octave_shlib& shl) \ |
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78 { \ |
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79 check_version (OCTAVE_VERSION, #name); \ |
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80 install_dld_function (F ## name, #name, shl, doc); \ |
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81 return error_state ? false : true; \ |
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82 } |
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83 |
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84 // MAKE_BUILTINS is defined to extract function names and related |
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85 // information and create the *.df files that are eventually used to |
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86 // create the builtins.cc file. |
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87 |
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88 #if defined (MAKE_BUILTINS) |
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89 |
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90 // Generate code to install name in the symbol table. The script |
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91 // mkdefs will create a .def file for every .cc file that uses DEFUN, |
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92 // or DEFUN_TEXT. |
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93 |
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94 #define DEFUN_INTERNAL(name, args_name, nargout_name, is_text_fcn, doc) \ |
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95 BEGIN_INSTALL_BUILTIN \ |
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96 XDEFUN_INTERNAL (name, args_name, nargout_name, is_text_fcn, doc) \ |
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97 END_INSTALL_BUILTIN |
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98 |
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99 // Generate code to install name in the symbol table. The script |
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100 // mkdefs will create a .def file for every .cc file that uses |
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101 // DEFUN_DLD. |
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102 |
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103 #define DEFUN_DLD_INTERNAL(name, args_name, nargout_name, is_text_fcn, doc) \ |
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104 BEGIN_INSTALL_BUILTIN \ |
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105 XDEFUN_DLD_INTERNAL (name, args_name, nargout_name, is_text_fcn, doc) \ |
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106 END_INSTALL_BUILTIN |
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107 |
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108 // Generate code for making another name for an existing function. |
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109 |
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110 #define DEFALIAS_INTERNAL(alias, name) \ |
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111 BEGIN_INSTALL_BUILTIN \ |
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112 XDEFALIAS_INTERNAL(alias, name) \ |
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113 END_INSTALL_BUILTIN |
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114 |
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115 #define DEFVAR_INTERNAL(name, sname, defn, protect, chg_fcn, doc) \ |
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116 BEGIN_INSTALL_BUILTIN \ |
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117 XDEFVAR_INTERNAL(name, sname, defn, protect, chg_fcn, doc) \ |
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118 END_INSTALL_BUILTIN |
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119 |
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120 #define DEFCONST_INTERNAL(name, defn, doc) \ |
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121 BEGIN_INSTALL_BUILTIN \ |
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122 XDEFCONST_INTERNAL(name, defn, doc) \ |
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123 END_INSTALL_BUILTIN |
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124 |
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125 #define DEFCONSTX_INTERNAL(name, sname, defn, doc) \ |
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126 BEGIN_INSTALL_BUILTIN \ |
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127 XDEFCONST_INTERNAL(name, defn, doc) \ |
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128 END_INSTALL_BUILTIN |
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129 |
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130 #define DEFUN_MAPPER_INTERNAL(name, ch_map, d_b_map, c_b_map, d_d_map, \ |
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131 d_c_map, c_c_map, lo, hi, \ |
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132 can_ret_cmplx_for_real, doc) \ |
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133 BEGIN_INSTALL_BUILTIN \ |
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134 XDEFUN_MAPPER_INTERNAL(name, ch_map, d_b_map, c_b_map, d_d_map, \ |
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135 d_c_map, c_c_map, lo, hi, \ |
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136 can_ret_cmplx_for_real, doc) \ |
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137 END_INSTALL_BUILTIN |
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138 |
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139 #else /* ! MAKE_BUILTINS */ |
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140 |
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141 // Generate the first line of the function definition. This ensures |
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142 // that the internal functions all have the same signature. |
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143 |
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144 #define DEFUN_INTERNAL(name, args_name, nargout_name, is_text_fcn, doc) \ |
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145 DECLARE_FUN (name, args_name, nargout_name) |
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146 |
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147 // No definition is required for an alias. |
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148 |
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149 #define DEFALIAS_INTERNAL(name, alias) |
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150 |
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151 // How builtin variables are actually installed. |
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152 |
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153 #define DEFVAR_INTERNAL(name, sname, defn, protect, chg_fcn, doc) \ |
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154 install_builtin_variable (name, octave_value (defn), protect, \ |
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155 (chg_fcn != 0), chg_fcn, doc) |
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156 |
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157 // How builtin variables are actually installed. |
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158 |
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159 #define INSTALL_CONST(name, sname, defn, protect, doc) \ |
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160 install_builtin_constant (name, octave_value (defn), protect, doc) |
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161 |
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162 #define UNDERSCORIFY(name) \ |
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163 "__" ## name ## "__" |
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164 |
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165 #define DEFCONST_INTERNAL(name, defn, doc) \ |
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166 INSTALL_CONST (#name, SBV_ ## name, defn, false, doc); \ |
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167 INSTALL_CONST (UNDERSCORIFY (#name), XSBV_ ## name, defn, true, doc) |
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168 |
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169 #define DEFCONSTX_INTERNAL(name, sname, defn, doc) \ |
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170 INSTALL_CONST (name, sname, defn, false, doc); \ |
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171 INSTALL_CONST (UNDERSCORIFY (name), X ## sname, defn, true, doc) |
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172 |
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173 // How mapper functions are actually installed. |
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174 |
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175 // XXX FIXME XXX -- Really want to avoid the following casts, since |
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176 // (as always with casts) it may mask some real errors... |
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177 |
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178 #define DEFUN_MAPPER_INTERNAL(name, ch_map, d_b_map, c_b_map, d_d_map, \ |
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179 d_c_map, c_c_map, lo, hi, \ |
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180 can_ret_cmplx_for_real, doc) \ |
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181 install_builtin_mapper \ |
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182 (new octave_mapper \ |
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183 (X_CAST (octave_mapper::ch_mapper, ch_map), \ |
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184 X_CAST (octave_mapper::d_b_mapper, d_b_map), \ |
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185 X_CAST (octave_mapper::c_b_mapper, c_b_map), \ |
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186 X_CAST (octave_mapper::d_d_mapper, d_d_map), \ |
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187 X_CAST (octave_mapper::d_c_mapper, d_c_map), \ |
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188 X_CAST (octave_mapper::c_c_mapper, c_c_map), \ |
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189 lo, hi, can_ret_cmplx_for_real, #name)) |
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190 |
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191 #endif /* ! MAKE_BUILTINS */ |
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192 |
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193 #endif |
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194 |
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195 /* |
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196 ;;; Local Variables: *** |
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197 ;;; mode: C++ *** |
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198 ;;; End: *** |
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199 */ |
