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annotate libinterp/corefcn/utils.h @ 30822:0826c503f294

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Encoding facet based on gnulib uniconv for STL iostreams (bug #61839). * liboctave/util/oct-string.h, liboctave/util/oct-string.cc (codecvt_u8): Add encoding facet based on gnulib uniconv for STL iostreams. * liboctave/wrappers/uniconv-wrappers.h, liboctave/wrappers/uniconv-wrappers.c (octave_u8_conv_from_encoding_offsets, octave_u8_conv_to_encoding_offsets): Add new wrappers. * libinterp/corefcn/oct-stream.h, libinterp/corefcn/oct-stream.cc (octave::stream): Wrap output stream with encoding facet. * libinterp/corefcn/utils.h, libinterp/corefcn/utils.cc (format, vformat): Remove functions that are no longer needed. * libinterp/corefcn/file-io.cc: Add BIST.
author Markus Mützel <markus.muetzel@gmx.de>
date Sat, 05 Mar 2022 21:20:58 +0100
parents 796f54d4ddbf
children c9788d7f6e65
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1993-2022 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if ! defined (octave_utils_h)
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27 #define octave_utils_h 1
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29 #include "octave-config.h"
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30
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31 #include <cstdarg>
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32
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33 #include <iosfwd>
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34 #include <string>
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35 #include <list>
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37 #include "dMatrix.h"
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38 #include "lo-utils.h"
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39
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40 class octave_value;
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41 class octave_value_list;
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42 class string_vector;
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43
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44 OCTAVE_NAMESPACE_BEGIN
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45
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46 extern OCTINTERP_API bool valid_identifier (const char *s);
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47 extern OCTINTERP_API bool valid_identifier (const std::string& s);
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49 //! Helper class for `make_valid_name` function calls.
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50 //!
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51 //! Extracting options separately for multiple (e.g. 1000+) function calls
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52 //! avoids expensive repetitive parsing of the very same options.
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53
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54 class
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55 OCTINTERP_API
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56 make_valid_name_options
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57 {
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58 public:
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59
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60 //! Default options for `make_valid_name` function calls.
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61 //!
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62 //! Calling the constructor without arguments is equivalent to:
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63 //!
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64 //! @code{.cc}
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65 //! make_valid_name_options (ovl ("ReplacementStyle", "underscore",
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66 //! "Prefix", "x"));
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67 //! @endcode
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68
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69 make_valid_name_options () = default;
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70
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71 //! Extract attribute-value-pairs from an octave_value_list of strings.
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72 //!
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73 //! If attributes occur multiple times, the rightmost pair is chosen.
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74 //!
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75 //! @code{.cc}
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76 //! make_valid_name_options (ovl ("ReplacementStyle", "hex", ...));
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77 //! @endcode
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78
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79 make_valid_name_options (const octave_value_list& args);
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80
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81 //! @return ReplacementStyle, see `help matlab.lang.makeValidName`.
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82
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83 const std::string&
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84 get_replacement_style () const { return m_replacement_style; }
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85
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86 //! @return Prefix, see `help matlab.lang.makeValidName`.
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87
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88 const std::string& get_prefix () const { return m_prefix; }
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89
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90 private:
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91
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92 std::string m_replacement_style{"underscore"};
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93 std::string m_prefix{"x"};
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94 };
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95
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96 //! Modify @p str to be a valid variable name.
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97 //!
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98 //! @param str input string
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99 //! @param options see also `help matlab.lang.makeValidName`.
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100 //!
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101 //! @return true, if @p str was modified.
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102
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103 extern OCTINTERP_API bool
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104 make_valid_name (std::string& str, const make_valid_name_options& options);
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105
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106 extern OCTINTERP_API bool
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107 same_file (const std::string& f, const std::string& g);
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108
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109 extern OCTINTERP_API int almost_match (const std::string& std,
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110 const std::string& s,
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111 int min_match_len = 1,
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112 int case_sens = 1);
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113
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114 extern OCTINTERP_API int
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115 keyword_almost_match (const char * const *std, int *min_len,
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116 const std::string& s, int min_toks_to_match,
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117 int max_toks);
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118
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119 extern OCTINTERP_API std::string
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120 search_path_for_file (const std::string&, const string_vector&);
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121
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122 extern OCTINTERP_API string_vector
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123 search_path_for_all_files (const std::string&, const string_vector&);
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124
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125 extern OCTINTERP_API std::string
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126 file_in_path (const std::string&, const std::string&);
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127
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128 extern OCTINTERP_API std::string
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129 find_data_file_in_load_path (const std::string& fcn,
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130 const std::string& file,
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131 bool require_regular_file = false);
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132
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133 extern OCTINTERP_API std::string contents_file_in_path (const std::string&);
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134
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135 extern OCTINTERP_API std::string fcn_file_in_path (const std::string&);
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136
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137 extern OCTINTERP_API std::string do_string_escapes (const std::string& s);
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138
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139 extern OCTINTERP_API const char * undo_string_escape (char c);
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140
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141 extern OCTINTERP_API std::string undo_string_escapes (const std::string& s);
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142
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143 extern OCTINTERP_API void
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144 check_dimensions (dim_vector& dim, const char *warnfor);
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145
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146 extern OCTINTERP_API void
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147 get_dimensions (const octave_value& a, const char *warn_for,
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148 dim_vector& dim);
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149
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150 extern OCTINTERP_API void
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151 get_dimensions (const octave_value& a, const octave_value& b,
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152 const char *warn_for, octave_idx_type& nr,
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153 octave_idx_type& nc);
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154
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155 extern OCTINTERP_API void
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156 get_dimensions (const octave_value& a, const char *warn_for,
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157 octave_idx_type& nr, octave_idx_type& nc);
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158
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159 extern OCTINTERP_API octave_idx_type
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160 dims_to_numel (const dim_vector& dims, const octave_value_list& idx);
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161
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162 extern OCTINTERP_API Matrix
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163 identity_matrix (octave_idx_type nr, octave_idx_type nc);
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164
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165 extern OCTINTERP_API FloatMatrix
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166 float_identity_matrix (octave_idx_type nr, octave_idx_type nc);
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167
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168 extern OCTINTERP_API std::size_t
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169 format (std::ostream& os, const char *fmt, ...);
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170
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171 extern OCTINTERP_API std::size_t
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172 vformat (std::ostream& os, const char *fmt, va_list args);
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173
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174 extern OCTINTERP_API std::string
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175 vasprintf (const char *fmt, va_list args);
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176
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177 extern OCTINTERP_API std::string asprintf (const char *fmt, ...);
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178
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179 extern OCTINTERP_API void sleep (double seconds,
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180 bool do_graphics_events = false);
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181
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182 extern OCTINTERP_API
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183 octave_value_list
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184 do_simple_cellfun (octave_value_list (*fun) (const octave_value_list&, int),
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185 const char *fun_name, const octave_value_list& args,
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186 int nargout);
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187
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188 extern OCTINTERP_API
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189 octave_value
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190 do_simple_cellfun (octave_value_list (*fun) (const octave_value_list&, int),
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191 const char *fun_name, const octave_value_list& args);
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192
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193 OCTAVE_NAMESPACE_END
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194
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195 #endif