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annotate src/ov-ch-mat.cc @ 9813:8fa32b527d9a

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improve & partially revert previous change
author Jaroslav Hajek <highegg@gmail.com>
date Fri, 13 Nov 2009 11:45:39 +0100
parents f80c566bc751
children 1369f13ae6b2
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1 /*
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2
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3 Copyright (C) 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005, 2006,
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John W. Eaton <jwe@octave.org>
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4 2007, 2008 John W. Eaton
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #ifdef HAVE_CONFIG_H
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25 #include <config.h>
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26 #endif
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27
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28 #include <iostream>
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29
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30 #include "lo-ieee.h"
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31 #include "mx-base.h"
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32
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33 #include "ov-base.h"
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34 #include "ov-base-mat.h"
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35 #include "ov-base-mat.cc"
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36 #include "ov-ch-mat.h"
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37 #include "gripes.h"
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38 #include "pr-output.h"
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39
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40 template class octave_base_matrix<charNDArray>;
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41
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42 idx_vector
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43 octave_char_matrix::index_vector (void) const
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44 {
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45 const char *p = matrix.data ();
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46 if (numel () == 1 && *p == ':')
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47 return idx_vector (':');
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48 else
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49 return idx_vector (array_value (true));
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50 }
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51
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52 double
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53 octave_char_matrix::double_value (bool) const
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54 {
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55 double retval = lo_ieee_nan_value ();
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56
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57 if (rows () > 0 && columns () > 0)
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58 {
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59 gripe_implicit_conversion ("Octave:array-as-scalar",
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60 "character matrix", "real scalar");
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61
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62 retval = static_cast<unsigned char> (matrix (0, 0));
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63 }
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64 else
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65 gripe_invalid_conversion ("character matrix", "real scalar");
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66
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67 return retval;
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68 }
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69
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70 float
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71 octave_char_matrix::float_value (bool) const
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72 {
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73 float retval = lo_ieee_float_nan_value ();
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74
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75 if (rows () > 0 && columns () > 0)
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76 {
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77 gripe_implicit_conversion ("Octave:array-as-scalar",
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78 "character matrix", "real scalar");
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79
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80 retval = static_cast<unsigned char> (matrix (0, 0));
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81 }
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82 else
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83 gripe_invalid_conversion ("character matrix", "real scalar");
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84
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85 return retval;
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86 }
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87
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88 Complex
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89 octave_char_matrix::complex_value (bool) const
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90 {
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91 double tmp = lo_ieee_nan_value ();
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92
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93 Complex retval (tmp, tmp);
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94
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95 if (rows () > 0 && columns () > 0)
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96 {
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97 gripe_implicit_conversion ("Octave:array-as-scalar",
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98 "character matrix", "complex scalar");
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99
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100 retval = static_cast<unsigned char> (matrix (0, 0));
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101 }
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102 else
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103 gripe_invalid_conversion ("character matrix", "complex scalar");
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104
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105 return retval;
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106 }
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107
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108 FloatComplex
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109 octave_char_matrix::float_complex_value (bool) const
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110 {
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111 float tmp = lo_ieee_float_nan_value ();
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112
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113 FloatComplex retval (tmp, tmp);
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114
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115 if (rows () > 0 && columns () > 0)
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116 {
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117 gripe_implicit_conversion ("Octave:array-as-scalar",
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118 "character matrix", "complex scalar");
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119
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120 retval = static_cast<unsigned char> (matrix (0, 0));
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121 }
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122 else
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123 gripe_invalid_conversion ("character matrix", "complex scalar");
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124
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125 return retval;
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126 }
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127
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128 void
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129 octave_char_matrix::print_raw (std::ostream& os,
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130 bool pr_as_read_syntax) const
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131 {
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132 octave_print_internal (os, matrix, pr_as_read_syntax,
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133 current_print_indent_level ());
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134 }
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135
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136 mxArray *
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137 octave_char_matrix::as_mxArray (void) const
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138 {
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139 mxArray *retval = new mxArray (mxCHAR_CLASS, dims (), mxREAL);
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140
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141 mxChar *pr = static_cast<mxChar *> (retval->get_data ());
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142
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143 mwSize nel = numel ();
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144
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145 const char *p = matrix.data ();
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146
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147 for (mwIndex i = 0; i < nel; i++)
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148 pr[i] = p[i];
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149
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150 return retval;
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151 }
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152
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153 // The C++ standard guarantees cctype defines functions, not macros (and hence macros *CAN'T*
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154 // be defined if only cctype is included)
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155 // so there's no need to f*ck around. The exceptions are isascii and toascii,
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156 // which are not C++.
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157 // Oddly enough, all those character functions are int (*) (int), even
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158 // in C++. Wicked!
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159 static inline int xisascii (int c)
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160 { return isascii (c); }
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161
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162 static inline int xtoascii (int c)
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163 { return toascii (c); }
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164
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165 octave_value
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166 octave_char_matrix::map (unary_mapper_t umap) const
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167 {
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168 switch (umap)
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169 {
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170 #define STRING_MAPPER(UMAP,FCN,TYPE) \
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171 case umap_ ## UMAP: \
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172 return octave_value (matrix.map<TYPE, int (&) (int)> (FCN))
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173
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174 STRING_MAPPER (xisalnum, std::isalnum, bool);
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175 STRING_MAPPER (xisalpha, std::isalpha, bool);
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176 STRING_MAPPER (xisascii, xisascii, bool);
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177 STRING_MAPPER (xiscntrl, std::iscntrl, bool);
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178 STRING_MAPPER (xisdigit, std::isdigit, bool);
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179 STRING_MAPPER (xisgraph, std::isgraph, bool);
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180 STRING_MAPPER (xislower, std::islower, bool);
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181 STRING_MAPPER (xisprint, std::isprint, bool);
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182 STRING_MAPPER (xispunct, std::ispunct, bool);
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183 STRING_MAPPER (xisspace, std::isspace, bool);
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184 STRING_MAPPER (xisupper, std::isupper, bool);
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185 STRING_MAPPER (xisxdigit, std::isxdigit, bool);
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186 STRING_MAPPER (xtoascii, xtoascii, double);
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187 STRING_MAPPER (xtolower, std::tolower, char);
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188 STRING_MAPPER (xtoupper, std::toupper, char);
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189
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190 default:
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191 {
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192 octave_matrix m (array_value (true));
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193 return m.map (umap);
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194 }
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195 }
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196 }
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197
2376
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198 /*
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199 ;;; Local Variables: ***
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200 ;;; mode: C++ ***
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201 ;;; End: ***
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202 */