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annotate liboctave/chNDArray.cc @ 9578:7dafdb8b062f

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refactor comparison ops implementations
author Jaroslav Hajek <highegg@gmail.com>
date Thu, 27 Aug 2009 11:19:33 +0200
parents 3d6a9aea2aea
children f80c566bc751
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1 // N-D Array manipulations.
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2 /*
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3
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eb63fbe60fab update copyright notices
John W. Eaton <jwe@octave.org>
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4 Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 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 "Array-util.h"
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29 #include "chNDArray.h"
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30 #include "mx-base.h"
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31 #include "lo-ieee.h"
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32 #include "lo-mappers.h"
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33 #include "mx-op-defs.h"
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34
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35 // FIXME -- this is not quite the right thing.
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36
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37 boolNDArray
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38 charNDArray::all (int dim) const
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39 {
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40 return do_mx_red_op<boolMatrix, char> (*this, dim, mx_inline_all);
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41 }
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42
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43 boolNDArray
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44 charNDArray::any (int dim) const
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45 {
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46 return do_mx_red_op<boolMatrix, char> (*this, dim, mx_inline_any);
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47 }
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48
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49 charNDArray
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50 charNDArray::concat (const charNDArray& rb, const Array<octave_idx_type>& ra_idx)
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51 {
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52 if (rb.numel () > 0)
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53 insert (rb, ra_idx);
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54 return *this;
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55 }
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56
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57 charNDArray
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58 charNDArray::concat (const NDArray& rb, const Array<octave_idx_type>& ra_idx)
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59 {
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60 charNDArray tmp (rb.dims ());
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61 octave_idx_type nel = rb.numel ();
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62
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63 if (rb.numel () == 0)
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64 return *this;
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65
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66 for (octave_idx_type i = 0; i < nel; i++)
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67 {
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68 double d = rb.elem (i);
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69
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70 if (xisnan (d))
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71 {
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72 (*current_liboctave_error_handler)
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73 ("invalid conversion from NaN to character");
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74 return *this;
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75 }
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76 else
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77 {
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78 octave_idx_type ival = NINTbig (d);
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79
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80 if (ival < 0 || ival > UCHAR_MAX)
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81 // FIXME -- is there something
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82 // better we could do? Should we warn the user?
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83 ival = 0;
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84
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85 tmp.elem (i) = static_cast<char>(ival);
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86 }
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87 }
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88
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89 insert (tmp, ra_idx);
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90 return *this;
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91 }
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92
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93 charNDArray&
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94 charNDArray::insert (const charNDArray& a, octave_idx_type r, octave_idx_type c)
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95 {
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96 Array<char>::insert (a, r, c);
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97 return *this;
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98 }
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99
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100 charNDArray&
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101 charNDArray::insert (const charNDArray& a, const Array<octave_idx_type>& ra_idx)
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102 {
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103 Array<char>::insert (a, ra_idx);
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104 return *this;
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105 }
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106
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107 charMatrix
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108 charNDArray::matrix_value (void) const
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109 {
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110 charMatrix retval;
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111
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112 int nd = ndims ();
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113
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114 switch (nd)
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115 {
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116 case 1:
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117 retval = charMatrix (Array2<char> (*this, dimensions(0), 1));
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118 break;
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119
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120 case 2:
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121 retval = charMatrix (Array2<char> (*this, dimensions(0),
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122 dimensions(1)));
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123 break;
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124
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125 default:
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126 (*current_liboctave_error_handler)
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127 ("invalid conversion of charNDArray to charMatrix");
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128 break;
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129 }
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130
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131 return retval;
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132 }
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133
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134 void
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135 charNDArray::increment_index (Array<octave_idx_type>& ra_idx,
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136 const dim_vector& dimensions,
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137 int start_dimension)
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138 {
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139 ::increment_index (ra_idx, dimensions, start_dimension);
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140 }
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141
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142 octave_idx_type
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143 charNDArray::compute_index (Array<octave_idx_type>& ra_idx,
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144 const dim_vector& dimensions)
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145 {
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146 return ::compute_index (ra_idx, dimensions);
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147 }
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148
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149 charNDArray
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150 charNDArray::diag (octave_idx_type k) const
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151 {
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152 return MArrayN<char>::diag (k);
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153 }
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154
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155 boolNDArray
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156 charNDArray::bmap (mapper fcn) const
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157 {
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158 octave_idx_type len = length ();
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159 const char *m = fortran_vec();
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160 boolNDArray result (dims ());
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161 bool *p = result.fortran_vec ();
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162
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163 for (octave_idx_type i = 0; i < len; i++)
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164 {
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165 OCTAVE_QUIT;
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166
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167 p[i] = bool (fcn (m[i]));
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168 }
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169
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170 return result;
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171 }
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172
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173 NDArray
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174 charNDArray::dmap (mapper fcn) const
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175 {
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176 octave_idx_type len = length ();
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177 const char *m = fortran_vec();
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178 NDArray result (dims ());
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179 double *p = result.fortran_vec ();
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180
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181 for (octave_idx_type i = 0; i < len; i++)
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182 {
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183 OCTAVE_QUIT;
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184
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185 p[i] = fcn (m[i]);
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186 }
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187
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188 return result;
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189 }
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190
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191 charNDArray
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192 charNDArray::smap (mapper fcn) const
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193 {
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194 octave_idx_type len = length ();
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195 const char *m = fortran_vec();
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196 charNDArray result (dims ());
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197 char *p = result.fortran_vec ();
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198
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199 for (octave_idx_type i = 0; i < len; i++)
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200 {
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201 OCTAVE_QUIT;
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202
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203 p[i] = fcn (m[i]);
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204 }
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205
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206 return result;
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207 }
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208
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209 NDS_CMP_OPS (charNDArray, char)
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210 NDS_BOOL_OPS (charNDArray, char)
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211
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212 SND_CMP_OPS (char, charNDArray)
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213 SND_BOOL_OPS (char, charNDArray)
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214
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215 NDND_CMP_OPS (charNDArray, charNDArray)
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216 NDND_BOOL_OPS (charNDArray, charNDArray)
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217
4514
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218 /*
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219 ;;; Local Variables: ***
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220 ;;; mode: C++ ***
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221 ;;; End: ***
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222 */