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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_defun_int_h) |
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25 #define octave_defun_int_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 "ov-builtin.h" |
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30 #include "ov-dld-fcn.h" |
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31 #include "ov-mapper.h" |
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32 #include "symtab.h" |
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33 #include "version.h" |
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34 |
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35 class octave_value; |
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36 |
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37 extern void print_usage (void); |
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38 extern void print_usage (const std::string&) GCC_ATTR_DEPRECATED; |
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39 |
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40 extern void check_version (const std::string& version, const std::string& fcn); |
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41 |
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42 extern void |
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43 install_builtin_mapper (octave_mapper *mf); |
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44 |
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45 extern void |
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46 install_builtin_function (octave_builtin::fcn f, const std::string& name, |
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47 const std::string& doc, bool is_text_fcn = false, |
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48 bool can_hide_function = true); |
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49 |
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50 extern void |
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51 install_dld_function (octave_dld_function::fcn f, const std::string& name, |
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52 const octave_shlib& shl, |
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53 const std::string& doc, bool is_text_fcn = false); |
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54 |
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55 extern void |
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56 install_mex_function (void *fptr, bool fmex, const std::string& name, |
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57 const octave_shlib& shl, bool is_text_fcn = false); |
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58 |
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59 extern void |
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60 alias_builtin (const std::string& alias, const std::string& name); |
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61 |
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62 #define DECLARE_FUNX(name, args_name, nargout_name) \ |
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63 octave_value_list \ |
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64 name (const octave_value_list& args_name, int nargout_name) |
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65 |
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66 #define DECLARE_FUN(name, args_name, nargout_name) \ |
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67 DECLARE_FUNX (F ## name, args_name, 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 DEFINE_FUN_INSTALLER_FUN2(name, doc, CXX_ABI) |
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77 |
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78 #define DEFINE_FUN_INSTALLER_FUN2(name, doc, cxx_abi) \ |
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79 DEFINE_FUN_INSTALLER_FUN3(name, doc, cxx_abi) |
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80 |
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81 #define DEFINE_FUN_INSTALLER_FUN3(name, doc, cxx_abi) \ |
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82 DEFINE_FUNX_INSTALLER_FUN3(#name, F ## name, FS ## name, doc, cxx_abi) |
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83 |
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84 #define DEFINE_FUNX_INSTALLER_FUN(name, fname, fsname, doc) \ |
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85 DEFINE_FUNX_INSTALLER_FUN2(name, fname, fsname, doc, CXX_ABI) |
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86 |
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87 #define DEFINE_FUNX_INSTALLER_FUN2(name, fname, fsname, doc, cxx_abi) \ |
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88 DEFINE_FUNX_INSTALLER_FUN3(name, fname, fsname, doc, cxx_abi) |
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89 |
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90 #define DEFINE_FUNX_INSTALLER_FUN3(name, fname, fsname, doc, cxx_abi) \ |
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91 extern "C" \ |
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92 bool \ |
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93 fsname ## _ ## cxx_abi (const octave_shlib& shl) \ |
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94 { \ |
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95 check_version (OCTAVE_API_VERSION, name); \ |
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96 install_dld_function (fname, name, shl, doc); \ |
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97 return error_state ? false : true; \ |
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98 } |
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99 |
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100 // MAKE_BUILTINS is defined to extract function names and related |
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101 // information and create the *.df files that are eventually used to |
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102 // create the builtins.cc file. |
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103 |
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104 #if defined (MAKE_BUILTINS) |
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105 |
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106 // Generate code to install name in the symbol table. The script |
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107 // mkdefs will create a .def file for every .cc file that uses DEFUN, |
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108 // or DEFCMD. |
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109 |
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110 #define DEFUN_INTERNAL(name, args_name, nargout_name, is_text_fcn, doc) \ |
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111 BEGIN_INSTALL_BUILTIN \ |
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112 XDEFUN_INTERNAL (name, args_name, nargout_name, is_text_fcn, doc) \ |
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113 END_INSTALL_BUILTIN |
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114 |
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115 #define DEFCONSTFUN_INTERNAL(name, args_name, nargout_name, is_text_fcn, doc) \ |
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116 BEGIN_INSTALL_BUILTIN \ |
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117 XDEFCONSTFUN_INTERNAL (name, args_name, nargout_name, is_text_fcn, doc) \ |
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118 END_INSTALL_BUILTIN |
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119 |
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120 #define DEFUNX_INTERNAL(name, fname, args_name, nargout_name, \ |
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121 is_text_fcn, doc) \ |
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122 BEGIN_INSTALL_BUILTIN \ |
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123 XDEFUNX_INTERNAL (name, fname, args_name, nargout_name, is_text_fcn, doc) \ |
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124 END_INSTALL_BUILTIN |
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125 |
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126 // Generate code to install name in the symbol table. The script |
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127 // mkdefs will create a .def file for every .cc file that uses |
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128 // DEFUN_DLD. |
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129 |
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130 #define DEFUN_DLD_INTERNAL(name, args_name, nargout_name, is_text_fcn, doc) \ |
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131 BEGIN_INSTALL_BUILTIN \ |
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132 XDEFUN_DLD_INTERNAL (name, args_name, nargout_name, is_text_fcn, doc) \ |
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133 END_INSTALL_BUILTIN |
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134 |
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135 #define DEFUNX_DLD_INTERNAL(name, fname, args_name, nargout_name, \ |
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136 is_text_fcn, doc) \ |
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137 BEGIN_INSTALL_BUILTIN \ |
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138 XDEFUNX_DLD_INTERNAL (name, fname, args_name, nargout_name, is_text_fcn, doc) \ |
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139 END_INSTALL_BUILTIN |
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140 |
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141 // Generate code for making another name for an existing function. |
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142 |
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143 #define DEFALIAS_INTERNAL(alias, name) \ |
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144 BEGIN_INSTALL_BUILTIN \ |
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145 XDEFALIAS_INTERNAL(alias, name) \ |
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146 END_INSTALL_BUILTIN |
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147 |
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148 #define DEFUN_MAPPER_INTERNAL(name, ch_map, d_b_map, c_b_map, d_d_map, \ |
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149 d_c_map, c_c_map, lo, hi, \ |
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150 ch_map_flag, can_ret_cmplx_for_real, doc) \ |
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151 BEGIN_INSTALL_BUILTIN \ |
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152 XDEFUN_MAPPER_INTERNAL(name, ch_map, d_b_map, c_b_map, d_d_map, \ |
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153 d_c_map, c_c_map, lo, hi, \ |
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154 ch_map_flag, can_ret_cmplx_for_real, doc) \ |
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155 END_INSTALL_BUILTIN |
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156 |
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157 #else /* ! MAKE_BUILTINS */ |
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158 |
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159 // Generate the first line of the function definition. This ensures |
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160 // that the internal functions all have the same signature. |
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161 |
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162 #define DEFUN_INTERNAL(name, args_name, nargout_name, is_text_fcn, doc) \ |
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163 DECLARE_FUN (name, args_name, nargout_name) |
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164 |
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165 #define DEFCONSTFUN_INTERNAL(name, args_name, nargout_name, is_text_fcn, doc) \ |
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166 DECLARE_FUN (name, args_name, nargout_name) |
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167 |
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168 #define DEFUNX_INTERNAL(name, fname, args_name, nargout_name, \ |
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169 is_text_fcn, doc) \ |
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170 DECLARE_FUNX (fname, args_name, nargout_name) |
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171 |
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172 // No definition is required for an alias. |
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173 |
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174 #define DEFALIAS_INTERNAL(alias, name) |
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175 |
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176 // How mapper functions are actually installed. |
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177 |
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178 // FIXME -- Really want to avoid the following casts, since |
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179 // (as always with casts) it may mask some real errors... |
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180 |
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181 #define DEFUN_MAPPER_INTERNAL(name, ch_map, d_b_map, c_b_map, d_d_map, \ |
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182 d_c_map, c_c_map, lo, hi, \ |
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183 ch_map_flag, can_ret_cmplx_for_real, doc) \ |
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184 install_builtin_mapper \ |
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185 (new octave_mapper \ |
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186 (ch_map, d_b_map, c_b_map, d_d_map, d_c_map, c_c_map, \ |
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187 lo, hi, ch_map_flag, can_ret_cmplx_for_real, #name, doc)) |
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188 |
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189 #endif /* ! MAKE_BUILTINS */ |
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190 |
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191 #endif |
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192 |
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193 /* |
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194 ;;; Local Variables: *** |
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195 ;;; mode: C++ *** |
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196 ;;; End: *** |
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197 */ |
