annotate src/strfns.cc @ 8463:a74871446af7

Fchar, Fstrvcat: use queue to avoid duplicate calls to all_strings
author John W. Eaton <jwe@octave.org>
date Mon, 12 Jan 2009 12:31:11 -0500
parents ebdf1e058d85
children cb48e594a441
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1 /*
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2
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3 Copyright (C) 1994, 1995, 1996, 1997, 1999, 2002, 2003, 2004, 2005,
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4 2006, 2007 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 <cctype>
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29
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30 #include <queue>
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31 #include <sstream>
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32
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33 #include "dMatrix.h"
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34
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35 #include "Cell.h"
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36 #include "defun.h"
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37 #include "error.h"
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38 #include "gripes.h"
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39 #include "ov.h"
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40 #include "oct-obj.h"
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41 #include "unwind-prot.h"
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42 #include "utils.h"
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43
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44 DEFUN (char, args, ,
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45 "-*- texinfo -*-\n\
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46 @deftypefn {Built-in Function} {} char (@var{x})\n\
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47 @deftypefnx {Built-in Function} {} char (@var{cell_array})\n\
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48 @deftypefnx {Built-in Function} {} char (@var{s1}, @var{s2}, @dots{})\n\
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49 Create a string array from one or more numeric matrices, character\n\
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50 matrices or cell arrays. For numerical input, each element is converted\n\
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51 to the corresponding ASCII character. The arguments (and elements of\n\
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52 cell array(s)) are concatenated vertically.\n\
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53 The returned values are padded with blanks as needed to make each row\n\
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54 of the string array have the same length. Empty strings are not removed.\n\
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55 For example,\n\
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56 \n\
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57 @example\n\
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58 @group\n\
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59 char ([97, 98, 99], \"\", @{\"98\", \"99\", 100@}, [\"num\", \"bers\"])\n\
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60 @result{} [\"abc \"\n\
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61 \" \"\n\
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62 \"98 \"\n\
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63 \"99 \"\n\
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64 \"d \"\n\
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65 \"numbers\"]\n\
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66 @end group\n\
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67 @end example\n\
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68 \n\
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69 @end deftypefn")
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70 {
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71 octave_value retval;
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72
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73 int nargin = args.length ();
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74
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75 if (nargin == 1)
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76 retval = args(0).convert_to_str (true, true,
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77 args(0).is_dq_string () ? '"' : '\'');
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78 else if (nargin > 1)
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79 {
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80 int n_elts = 0;
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81
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82 int max_len = 0;
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83
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84 std::queue<string_vector> args_as_strings;
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85
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86 for (int i = 0; i < nargin; i++)
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87 {
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88 string_vector s = args(i).all_strings ();
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89
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90 if (error_state)
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91 {
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92 error ("char: unable to convert some args to strings");
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93 return retval;
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94 }
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95
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96 if (s.length () > 0)
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97 n_elts += s.length ();
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98 else
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99 n_elts += 1;
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100
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101 int s_max_len = s.max_length ();
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102
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103 if (s_max_len > max_len)
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104 max_len = s_max_len;
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105
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106 args_as_strings.push (s);
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107 }
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108
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109 string_vector result (n_elts);
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110
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111 int k = 0;
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112
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113 for (int i = 0; i < nargin; i++)
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114 {
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115 string_vector s = args_as_strings.pop ();
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116
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117 int n = s.length ();
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118
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119 if (n > 0)
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120 {
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121 for (int j = 0; j < n; j++)
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122 {
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123 std::string t = s[j];
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124 int t_len = t.length ();
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125
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126 if (max_len > t_len)
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127 t += std::string (max_len - t_len, ' ');
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128
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129 result[k++] = t;
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130 }
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131 }
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132 else
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133 result[k++] = std::string (max_len, ' ');
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134 }
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135
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136 retval = octave_value (result, '\'');
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137 }
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138 else
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139 print_usage ();
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140
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141 return retval;
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142 }
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143
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144 /*
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145 %!error <Invalid call to char> char()
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146 %!assert (char (100) == "d");
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147 %!assert (all(char (100,100) == ["d";"d"]));
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148 %!assert (all(char ({100,100}) == ["d";"d"]));
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149 %!assert (all(char ([100,100]) == ["dd"]));
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150 %!assert (all(char ({100,{100}}) == ["d";"d"]));
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151 %!assert (all(char (100, [], 100) == ["d";" ";"d"]))
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152 %!assert (all(char ({100, [], 100}) == ["d";" ";"d"]))
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153 %!assert (all(char ({100,{100, {""}}}) == ["d";"d";" "]))
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154 %!assert (all(char (["a";"be"], {"c", 100}) == ["a";"be";"c";"d"]))
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155 %!assert(strcmp (char ("a", "bb", "ccc"), ["a "; "bb "; "ccc"]));
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156 */
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157
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158 DEFUN (strvcat, args, ,
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159 "-*- texinfo -*-\n\
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160 @deftypefn {Built-in Function} {} strvcat (@var{x})\n\
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161 @deftypefnx {Built-in Function} {} strvcat (@var{cell_array})\n\
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162 @deftypefnx {Built-in Function} {} strvcat (@var{s1}, @var{s2}, @dots{})\n\
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163 Create a character array from one or more numeric matrices, character\n\
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164 matrices or cell arrays. For numerical input, each element is converted\n\
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165 to the corresponding ASCII character. The arguments (and elements of\n\
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166 cell array(s)) are concatenated vertically.\n\
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167 The returned values are padded with blanks as needed to make each row\n\
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168 of the string array have the same length. Unlike @code{char}, empty\n\
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169 strings are removed.\n\
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170 For example,\n\
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171 \n\
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172 @example\n\
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173 @group\n\
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174 strvcat ([97, 98, 99], \"\", @{\"98\", \"99\", 100@}, [\"num\", \"bers\"])\n\
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175 @result{} [\"abc \"\n\
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176 \"98 \"\n\
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177 \"99 \"\n\
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178 \"d \"\n\
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179 \"numbers\"]\n\
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180 @end group\n\
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181 @end example\n\
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182 \n\
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183 @seealso{char, strcat, cstrcat}\n\
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184 @end deftypefn")
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185 {
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186 octave_value retval;
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187
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188 int nargin = args.length ();
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189
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190 if (nargin > 0)
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191 {
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192 int n_elts = 0;
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193
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194 int max_len = 0;
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195
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196 std::queue<string_vector> args_as_strings;
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197
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198 for (int i = 0; i < nargin; i++)
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199 {
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200 string_vector s = args(i).all_strings ();
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201
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202 if (error_state)
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203 {
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204 error ("strvcat: unable to convert some args to strings");
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205 return retval;
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206 }
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207
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208 int n = s.length ();
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209
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210 // do not count empty strings in calculation of number of elements
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211 if (n > 0)
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212 {
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213 for (int j = 0; j < n; j++)
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214 {
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215 if (s[j].length () > 0)
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216 n_elts++;
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217 }
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218 }
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219
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220 int s_max_len = s.max_length ();
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221
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222 if (s_max_len > max_len)
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223 max_len = s_max_len;
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224
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225 args_as_strings.push (s);
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226 }
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227
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228 string_vector result (n_elts);
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229
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230 int k = 0;
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231
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232 for (int i = 0; i < nargin; i++)
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233 {
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234 string_vector s = args_as_strings.pop ();
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235
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236 int n = s.length ();
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237
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238 if (n > 0)
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239 {
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240 for (int j = 0; j < n; j++)
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241 {
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242 std::string t = s[j];
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243 if (t.length () > 0)
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244 {
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245 int t_len = t.length ();
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246
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247 if (max_len > t_len)
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248 t += std::string (max_len - t_len, ' ');
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249
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250 result[k++] = t;
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251 }
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252 }
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253 }
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254 }
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255
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256 retval = octave_value (result, '\'');
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257 }
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258 else
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259 print_usage ();
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260
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261 return retval;
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262 }
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263
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264 /*
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265 %!error <Invalid call to strvcat> strvcat()
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266 %!assert (strvcat (""), "");
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267 %!assert (strvcat (100) == "d");
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268 %!assert (all(strvcat (100,100) == ["d";"d"]));
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269 %!assert (all(strvcat ({100,100}) == ["d";"d"]));
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270 %!assert (all(strvcat ([100,100]) == ["dd"]));
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271 %!assert (all(strvcat ({100,{100}}) == ["d";"d"]));
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272 %!assert (all(strvcat (100, [], 100) == ["d";"d"]))
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273 %!assert (all(strvcat ({100, [], 100}) == ["d";"d"]))
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274 %!assert (all(strvcat ({100,{100, {""}}}) == ["d";"d"]))
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275 %!assert (all(strvcat (["a";"be"], {"c", 100}) == ["a";"be";"c";"d"]))
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276 %!assert(strcmp (strvcat ("a", "bb", "ccc"), ["a "; "bb "; "ccc"]));
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277 */
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278
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279
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280 DEFUN (ischar, args, ,
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281 "-*- texinfo -*-\n\
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282 @deftypefn {Built-in Function} {} ischar (@var{a})\n\
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283 Return 1 if @var{a} is a character array. Otherwise, return 0.\n\
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284 @end deftypefn")
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285 {
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286 octave_value retval;
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287
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288 int nargin = args.length ();
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289
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290 if (nargin == 1 && args(0).is_defined ())
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291 retval = args(0).is_string ();
807
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diff changeset
292 else
5823
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diff changeset
293 print_usage ();
807
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diff changeset
294
c03b179482fc [project @ 1994-10-14 14:21:58 by jwe]
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295 return retval;
c03b179482fc [project @ 1994-10-14 14:21:58 by jwe]
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diff changeset
296 }
c03b179482fc [project @ 1994-10-14 14:21:58 by jwe]
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297
8461
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
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298 /*
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
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299
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
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300 %!assert (ischar ("a"), logical (1));
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301 %!assert (ischar (["ab";"cd"]), logical (1));
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Thorsten Meyer <thorsten.meyier@gmx.de>
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302 %!assert (ischar ({"ab"}), logical (0));
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303 %!assert (ischar (1), logical (0));
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304 %!error <Invalid call to ischar.*> ischar ();
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305
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306 */
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Thorsten Meyer <thorsten.meyier@gmx.de>
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diff changeset
307
5415
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308 DEFUN (strcmp, args, ,
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
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diff changeset
309 "-*- texinfo -*-\n\
6678
49724abe1236 [project @ 2007-05-31 19:44:45 by jwe]
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310 @deftypefn {Built-in Function} {} strcmp (@var{s1}, @var{s2})\n\
5415
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311 Return 1 if the character strings @var{s1} and @var{s2} are the same,\n\
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
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312 and 0 otherwise.\n\
5674
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313 \n\
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314 If either @var{s1} or @var{s2} is a cell array of strings, then an array\n\
86adc85cc471 [project @ 2006-03-16 03:46:45 by jwe]
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315 of the same size is returned, containing the values described above for\n\
86adc85cc471 [project @ 2006-03-16 03:46:45 by jwe]
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diff changeset
316 every member of the cell array. The other argument may also be a cell\n\
86adc85cc471 [project @ 2006-03-16 03:46:45 by jwe]
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diff changeset
317 array of strings (of the same size or with only one element), char matrix\n\
86adc85cc471 [project @ 2006-03-16 03:46:45 by jwe]
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diff changeset
318 or character string.\n\
86adc85cc471 [project @ 2006-03-16 03:46:45 by jwe]
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diff changeset
319 \n\
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320 @strong{Caution:} For compatibility with @sc{Matlab}, Octave's strcmp\n\
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diff changeset
321 function returns 1 if the character strings are equal, and 0 otherwise.\n\
86adc85cc471 [project @ 2006-03-16 03:46:45 by jwe]
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diff changeset
322 This is just the opposite of the corresponding C library function.\n\
86adc85cc471 [project @ 2006-03-16 03:46:45 by jwe]
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323 @seealso{strcmpi, strncmp, strncmpi}\n\
5415
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diff changeset
324 @end deftypefn")
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diff changeset
325 {
5531
ad2e70544c77 [project @ 2005-11-07 19:12:21 by jwe]
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diff changeset
326 octave_value retval;
5415
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327
5416
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diff changeset
328 if (args.length () == 2)
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parents: 5415
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329 {
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diff changeset
330 bool s1_string = args(0).is_string ();
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diff changeset
331 bool s1_cell = args(0).is_cell ();
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diff changeset
332 bool s2_string = args(1).is_string ();
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diff changeset
333 bool s2_cell = args(1).is_cell ();
5415
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diff changeset
334
5416
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diff changeset
335 if (s1_string && s2_string)
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parents: 5415
diff changeset
336 {
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diff changeset
337 // Must match exactly in all dimensions.
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diff changeset
338
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diff changeset
339 const dim_vector dv1 = args(0).dims ();
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diff changeset
340 const dim_vector dv2 = args(1).dims ();
5415
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341
5416
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diff changeset
342 if (dv1.length () == dv2.length ())
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parents: 5415
diff changeset
343 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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diff changeset
344 for (int i = 0; i < dv1.length (); i++)
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parents: 5415
diff changeset
345 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
346 if (dv1(i) != dv2(i))
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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diff changeset
347 {
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parents: 5415
diff changeset
348 retval = false;
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diff changeset
349 return retval;
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parents: 5415
diff changeset
350 }
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diff changeset
351 }
5415
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diff changeset
352
5416
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diff changeset
353 if (dv1(0) == 0)
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diff changeset
354 retval = true;
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parents: 5415
diff changeset
355 else
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parents: 5415
diff changeset
356 {
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diff changeset
357 charNDArray s1 = args(0).char_array_value ();
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diff changeset
358 charNDArray s2 = args(1).char_array_value ();
5415
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diff changeset
359
5416
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diff changeset
360 for (int i = 0; i < dv1.numel (); i++)
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parents: 5415
diff changeset
361 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
362 if (s1(i) != s2(i))
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
363 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
364 retval = false;
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
365 return retval;
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
366 }
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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diff changeset
367 }
5415
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diff changeset
368
5416
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diff changeset
369 retval = true;
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parents: 5415
diff changeset
370 }
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
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diff changeset
371 }
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parents: 5307
diff changeset
372 }
5416
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diff changeset
373 else if ((s1_string && s2_cell) || (s1_cell && s2_string))
5415
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diff changeset
374 {
5416
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parents: 5415
diff changeset
375 string_vector str;
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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diff changeset
376 Cell cell;
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diff changeset
377 int r;
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
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diff changeset
378
5416
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parents: 5415
diff changeset
379 if (s1_string)
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
380 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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diff changeset
381 str = args(0).all_strings ();
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
382 r = args(0).rows ();
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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diff changeset
383 cell = args(1).cell_value ();
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
384 }
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
385 else
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
386 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
387 str = args(1).all_strings ();
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parents: 5415
diff changeset
388 r = args(1).rows ();
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diff changeset
389 cell = args(0).cell_value ();
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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diff changeset
390 }
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
391
5862
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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parents: 5823
diff changeset
392 if (r == 0 || r == 1)
5416
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
393 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
394 // Broadcast the string.
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
395
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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diff changeset
396 boolNDArray output (cell.dimensions);
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
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parents: 5307
diff changeset
397
5862
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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parents: 5823
diff changeset
398 std::string s = r == 0 ? std::string () : str[0];
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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parents: 5823
diff changeset
399
5416
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diff changeset
400 for (int i = 0; i < cell.length (); i++)
6250
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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parents: 5911
diff changeset
401 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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parents: 5911
diff changeset
402 if (cell(i).is_string ())
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
403 output(i) = (cell(i).string_value () == s);
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
404 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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parents: 5911
diff changeset
405 output(i) = false;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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parents: 5911
diff changeset
406 }
5416
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parents: 5415
diff changeset
407
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
408 retval = output;
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
409 }
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
410 else if (r > 1)
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
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parents: 5307
diff changeset
411 {
5416
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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diff changeset
412 if (cell.length () == 1)
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
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parents: 5307
diff changeset
413 {
5416
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
414 // Broadcast the cell.
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
415
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
416 const dim_vector dv (r, 1);
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
417 boolNDArray output (dv);
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
418
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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diff changeset
419 if (cell(0).is_string ())
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
420 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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diff changeset
421 const std::string str2 = cell(0).string_value ();
5415
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diff changeset
422
5416
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diff changeset
423 for (int i = 0; i < r; i++)
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
424 output(i) = (str[i] == str2);
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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diff changeset
425 }
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
426 else
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
427 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
428 for (int i = 0; i < r; i++)
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
429 output(i) = false;
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
430 }
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
431
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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diff changeset
432 retval = output;
5415
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diff changeset
433 }
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
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parents: 5307
diff changeset
434 else
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
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parents: 5307
diff changeset
435 {
5416
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diff changeset
436 // Must match in all dimensions.
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
437
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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diff changeset
438 boolNDArray output (cell.dimensions);
5415
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parents: 5307
diff changeset
439
5416
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diff changeset
440 if (cell.length () == r)
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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parents: 5415
diff changeset
441 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
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diff changeset
442 for (int i = 0; i < r; i++)
6250
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parents: 5911
diff changeset
443 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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parents: 5911
diff changeset
444 if (cell(i).is_string ())
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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parents: 5911
diff changeset
445 output(i) = (str[i] == cell(i).string_value ());
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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parents: 5911
diff changeset
446 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
447 output(i) = false;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
448 }
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
449
5416
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
450 retval = output;
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
451 }
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
452 else
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
453 retval = false;
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
454 }
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
455 }
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
456 }
5416
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
457 else if (s1_cell && s2_cell)
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
458 {
5416
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
459 Cell cell1;
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
460 Cell cell2;
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
461
5416
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
462 int r1 = args(0).numel ();
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
463 int r2;
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
464
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
465 if (r1 == 1)
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
466 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
467 // Make the singleton cell2.
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
468
5416
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
469 cell1 = args(1).cell_value ();
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
470 cell2 = args(0).cell_value ();
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
471 r1 = cell1.length ();
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
472 r2 = 1;
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
473 }
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
474 else
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
475 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
476 cell1 = args(0).cell_value ();
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
477 cell2 = args(1).cell_value ();
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
478 r2 = cell2.length ();
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
479 }
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
480
5416
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
481 const dim_vector size1 = cell1.dimensions;
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
482 const dim_vector size2 = cell2.dimensions;
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
483
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
484 boolNDArray output (size1);
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
485
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
486 if (r2 == 1)
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
487 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
488 // Broadcast cell2.
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
489
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
490 if (! cell2(0).is_string ())
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
491 {
5416
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
492 for (int i = 0; i < r1; i++)
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
493 output(i) = false;
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
494 }
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
495 else
5416
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
496 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
497 const std::string str2 = cell2(0).string_value ();
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
498
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
499 for (int i = 0; i < r1; i++)
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
500 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
501 if (cell1(i).is_string ())
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
502 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
503 const std::string str1 = cell1(i).string_value ();
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
504 output(i) = (str1 == str2);
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
505 }
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
506 else
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
507 output(i) = false;
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
508 }
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
509 }
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
510 }
5416
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
511 else
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
512 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
513 if (size1 != size2)
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
514 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
515 error ("strcmp: nonconformant cell arrays");
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
516 return retval;
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
517 }
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
518
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
519 for (int i = 0; i < r1; i++)
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
520 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
521 if (cell1(i).is_string () && cell2(i).is_string ())
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
522 {
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
523 const std::string str1 = cell1(i).string_value ();
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
524 const std::string str2 = cell2(i).string_value ();
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
525 output(i) = (str1 == str2);
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
526 }
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
527 else
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
528 output(i) = false;
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
529 }
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
530 }
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
531
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
532 retval = output;
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
533 }
5531
ad2e70544c77 [project @ 2005-11-07 19:12:21 by jwe]
jwe
parents: 5530
diff changeset
534 else
ad2e70544c77 [project @ 2005-11-07 19:12:21 by jwe]
jwe
parents: 5530
diff changeset
535 retval = false;
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
536 }
5416
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
537 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5765
diff changeset
538 print_usage ();
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
539
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
540 return retval;
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
541 }
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
542
5862
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
543 /*
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
544 %!shared x
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
545 %! x = char (zeros (0, 2));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
546 %!assert (strcmp ('', x) == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
547 %!assert (strcmp (x, '') == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
548 %!assert (strcmp (x, x) == true);
5911
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
549 ## %!assert (strcmp ({''}, x) == false);
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
550 ## %!assert (strcmp ({x}, '') == false);
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
551 ## %!assert (strcmp ({x}, x) == true);
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
552 ## %!assert (strcmp ('', {x}) == false);
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
553 ## %!assert (strcmp (x, {''}) == false);
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
554 ## %!assert (strcmp (x, {x}) == true);
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
555 ## %!assert (all (strcmp ({x; x}, '') == [false; false]));
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
556 ## %!assert (all (strcmp ({x; x}, {''}) == [false; false]));
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
557 ## %!assert (all (strcmp ('', {x; x}) == [false; false]));
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
558 ## %!assert (all (strcmp ({''}, {x; x}) == [false; false]));
5862
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
559 %!assert (strcmp ({'foo'}, x) == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
560 %!assert (strcmp ({'foo'}, 'foo') == true);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
561 %!assert (strcmp ({'foo'}, x) == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
562 %!assert (strcmp (x, {'foo'}) == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
563 %!assert (strcmp ('foo', {'foo'}) == true);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
564 %!assert (strcmp (x, {'foo'}) == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
565 %!shared y
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
566 %! y = char (zeros (2, 0));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
567 %!assert (strcmp ('', y) == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
568 %!assert (strcmp (y, '') == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
569 %!assert (strcmp (y, y) == true);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
570 %!assert (all (strcmp ({''}, y) == [true; true]));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
571 %!assert (strcmp ({y}, '') == true);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
572 %!assert (all (strcmp ({y}, y) == [true; true]));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
573 %!assert (all (strcmp ('', {y}) == [true; true]));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
574 %!assert (all (strcmp (y, {''}) == [true; true]));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
575 %!assert (all (strcmp (y, {y}) == [true; true]));
5911
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
576 ## %!assert (all (strcmp ({y; y}, '') == [false; false]));
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
577 ## %!assert (all (strcmp ({y; y}, {''}) == [false; false]));
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
578 ## %!assert (all (strcmp ('', {y; y}) == [false; false]));
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
579 ## %!assert (all (strcmp ({''}, {y; y}) == [false; false]));
5862
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
580 %!assert (all (strcmp ({'foo'}, y) == [false; false]));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
581 %!assert (all (strcmp ({'foo'}, y) == [false; false]));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
582 %!assert (all (strcmp (y, {'foo'}) == [false; false]));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
583 %!assert (all (strcmp (y, {'foo'}) == [false; false]));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
584 */
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
585
6250
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
586 DEFUN (strncmp, args, ,
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
587 "-*- texinfo -*-\n\
6678
49724abe1236 [project @ 2007-05-31 19:44:45 by jwe]
jwe
parents: 6256
diff changeset
588 @deftypefn {Built-in Function} {} strncmp (@var{s1}, @var{s2}, @var{n})\n\
6250
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
589 Return 1 if the first @var{n} characters of strings @var{s1} and @var{s2} are the same,\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
590 and 0 otherwise.\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
591 \n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
592 @example\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
593 @group\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
594 strncmp (\"abce\", \"abcd\", 3)\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
595 @result{} 1\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
596 @end group\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
597 @end example\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
598 \n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
599 If either @var{s1} or @var{s2} is a cell array of strings, then an array\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
600 of the same size is returned, containing the values described above for\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
601 every member of the cell array. The other argument may also be a cell\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
602 array of strings (of the same size or with only one element), char matrix\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
603 or character string.\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
604 \n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
605 @example\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
606 @group\n\
6256
83949ae13b2c [project @ 2007-01-30 18:45:59 by jwe]
jwe
parents: 6250
diff changeset
607 strncmp (\"abce\", @{\"abcd\", \"bca\", \"abc\"@}, 3)\n\
6250
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
608 @result{} [1, 0, 1]\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
609 @end group\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
610 @end example\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
611 \n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
612 @strong{Caution:} For compatibility with @sc{Matlab}, Octave's strncmp\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
613 function returns 1 if the character strings are equal, and 0 otherwise.\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
614 This is just the opposite of the corresponding C library function.\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
615 @seealso{strncmpi, strcmp, strcmpi}\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
616 @end deftypefn")
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
617 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
618 octave_value retval;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
619
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
620 if (args.length () == 3)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
621 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
622 bool s1_string = args(0).is_string ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
623 bool s1_cell = args(0).is_cell ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
624 bool s2_string = args(1).is_string ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
625 bool s2_cell = args(1).is_cell ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
626
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
627 // Match only first n strings.
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
628 int n = args(2).int_value ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
629
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
630 if (n <= 0)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
631 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
632 error ("strncmp: N must be greater than 0");
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
633 return retval;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
634 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
635
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
636 if (s1_string && s2_string)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
637 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
638 // The only restriction here is that each string has equal or
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
639 // greater than n characters
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
640
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
641 const dim_vector dv1 = args(0).dims ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
642 const dim_vector dv2 = args(1).dims ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
643
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
644 if (dv1.numel () >= n && dv2.numel () >= n)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
645 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
646 // Follow Matlab in the sense that the first n characters of
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
647 // the two strings (in column major order) need to be the same.
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
648 charNDArray s1 = args(0).char_array_value ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
649 charNDArray s2 = args(1).char_array_value ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
650
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
651 for (int i = 0; i < n; i++)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
652 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
653 if (s1(i) != s2(i))
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
654 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
655 retval = false;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
656 return retval;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
657 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
658 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
659
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
660 retval = true;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
661 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
662 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
663 retval = false;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
664 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
665 else if ((s1_string && s2_cell) || (s1_cell && s2_string))
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
666 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
667 string_vector str;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
668 Cell cell;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
669 int r, c;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
670
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
671 if (s1_string)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
672 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
673 str = args(0).all_strings ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
674 r = args(0).rows ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
675 c = args(0).columns ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
676 cell = args(1).cell_value ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
677 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
678 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
679 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
680 str = args(1).all_strings ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
681 r = args(1).rows ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
682 c = args(1).columns ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
683 cell = args(0).cell_value ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
684 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
685
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
686 if (r == 1)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
687 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
688 // Broadcast the string.
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
689
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
690 boolNDArray output (cell.dimensions);
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
691
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
692 if (c < n)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
693 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
694 for (int i = 0; i < cell.length (); i++)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
695 output(i) = false;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
696 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
697 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
698 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
699 for (int i = 0; i < cell.length (); i++)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
700 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
701 if (cell(i).is_string ())
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
702 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
703 const std::string str2 = cell(i).string_value ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
704
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
705 if (str2.length() >= n)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
706 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
707 if (str2.compare (0, n, str[0], 0, n) == 0)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
708 output(i) = true;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
709 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
710 output(i) = false;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
711 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
712 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
713 output(i) = false;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
714 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
715 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
716 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
717
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
718 retval = output;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
719 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
720 else if (r > 1)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
721 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
722 if (cell.length () == 1)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
723 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
724 // Broadcast the cell.
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
725
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
726 const dim_vector dv (r, 1);
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
727 boolNDArray output (dv);
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
728
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
729 if (cell(0).is_string () && c >= n)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
730 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
731 const std::string str2 = cell(0).string_value ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
732
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
733 if (str2.length () >= n)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
734 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
735 for (int i = 0; i < r; i++)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
736 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
737 if (str[i].compare (0, n, str2, 0, n) == 0)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
738 output(i) = true;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
739 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
740 output(i) = false;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
741 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
742 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
743 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
744 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
745 for (int i = 0; i < r; i++)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
746 output(i) = false;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
747 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
748 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
749 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
750 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
751 for (int i = 0; i < r; i++)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
752 output(i) = false;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
753 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
754
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
755 retval = output;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
756 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
757 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
758 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
759 // Must match in all dimensions.
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
760
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
761 boolNDArray output (cell.dimensions);
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
762
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
763 if (cell.numel () == r)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
764 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
765 for (int i = 0; i < r; i++)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
766 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
767 output(i) = false;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
768
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
769 if (cell(i).is_string () && c >= n)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
770 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
771 std::string str2 = cell(i).string_value ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
772
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
773 if (str2.length () >= n
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
774 && str2.compare (0, n, str[i], 0, n) == 0)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
775 output(i) = true;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
776 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
777 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
778
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
779 retval = output;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
780 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
781 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
782 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
783 error ("strncmp: the number of rows of the string matrix must match the number of elements in the cell");
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
784 return retval;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
785 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
786 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
787 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
788 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
789 else if (s1_cell && s2_cell)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
790 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
791 Cell cell1;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
792 Cell cell2;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
793
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
794 int r1 = args(0).numel ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
795 int r2;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
796
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
797 if (r1 == 1)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
798 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
799 // Make the singleton cell2.
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
800
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
801 cell1 = args(1).cell_value ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
802 cell2 = args(0).cell_value ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
803 r1 = cell1.length ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
804 r2 = 1;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
805 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
806 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
807 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
808 cell1 = args(0).cell_value ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
809 cell2 = args(1).cell_value ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
810 r2 = cell2.length ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
811 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
812
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
813 const dim_vector size1 = cell1.dimensions;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
814 const dim_vector size2 = cell2.dimensions;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
815
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
816 boolNDArray output (size1);
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
817
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
818 if (r2 == 1)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
819 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
820 // Broadcast cell2.
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
821
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
822 if (! cell2(0).is_string ())
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
823 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
824 for (int i = 0; i < r1; i++)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
825 output(i) = false;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
826 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
827 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
828 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
829 const std::string str2 = cell2(0).string_value ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
830
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
831 for (int i = 0; i < r1; i++)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
832 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
833 if (cell1(i).is_string ())
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
834 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
835 const std::string str1 = cell1(i).string_value ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
836
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
837 if (str1.length () >= n && str2.length () >= n
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
838 && str1.compare (0, n, str2, 0, n) == 0)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
839 output(i) = true;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
840 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
841 output(i) = false;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
842 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
843 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
844 output(i) = false;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
845 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
846 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
847 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
848 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
849 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
850 if (size1 != size2)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
851 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
852 error ("strncmp: nonconformant cell arrays");
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
853 return retval;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
854 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
855
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
856 for (int i = 0; i < r1; i++)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
857 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
858 if (cell1(i).is_string () && cell2(i).is_string ())
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
859 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
860 const std::string str1 = cell1(i).string_value ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
861 const std::string str2 = cell2(i).string_value ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
862
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
863 if (str1.length () >= n && str2.length () >= n
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
864 && str1.compare (0, n, str2, 0, n) == 0)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
865 output(i) = true;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
866 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
867 output(i) = false;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
868 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
869 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
870 output(i) = false;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
871 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
872 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
873
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
874 retval = output;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
875 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
876 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
877 retval = false;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
878 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
879 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
880 print_usage ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
881
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
882 return retval;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
883 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
884
8461
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
885 /*
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
886 %!error <Invalid call to strncmp.*> strncmp ();
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
887 %!error <Invalid call to strncmp.*> strncmp ("abc", "def");
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
888 %!assert (strncmp ("abce", "abc", 3) == 1)
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
889 %!assert (strncmp (100, 100, 1) == 0)
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
890 %!assert (all (strncmp ("abce", {"abcd", "bca", "abc"}, 3) == [1, 0, 1]))
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
891 %!assert (all (strncmp ("abc", {"abcd", "bca", "abc"}, 4) == [0, 0, 0]))
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
892 %!assert (all (strncmp ({"abcd", "bca", "abc"},"abce", 3) == [1, 0, 1]))
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
893 %!assert (all (strncmp ({"abcd", "bca", "abc"},{"abcd", "bca", "abe"}, 3) == [1, 1, 0]))
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
894 */
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
895
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
896
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
897 DEFUN (list_in_columns, args, ,
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
898 "-*- texinfo -*-\n\
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
899 @deftypefn {Built-in Function} {} list_in_columns (@var{arg}, @var{width})\n\
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
900 Return a string containing the elements of @var{arg} listed in\n\
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
901 columns with an overall maximum width of @var{width}. The argument\n\
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
902 @var{arg} must be a cell array of character strings or a character array.\n\
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
903 If @var{width} is not specified, the width of the terminal screen is used.\n\
8461
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
904 Newline characters are used to break the lines in the output string.\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
905 For example:\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
906 \n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
907 @example\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
908 @group\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
909 list_in_columns (@{\"abc\", \"def\", \"ghijkl\", \"mnop\", \"qrs\", \"tuv\"@}, 20)\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
910 @result{} ans = abc mnop\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
911 def qrs\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
912 ghijkl tuv\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
913 \n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
914 whos ans\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
915 @result{}\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
916 Variables in the current scope:\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
917 \n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
918 Attr Name Size Bytes Class\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
919 ==== ==== ==== ===== =====\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
920 ans 1x37 37 char\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
921 \n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
922 Total is 37 elements using 37 bytes\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
923 @end group\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
924 @end example\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
925 \n\
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
926 @seealso{terminal_size}\n\
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
927 @end deftypefn")
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
928 {
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
929 octave_value retval;
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
930
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
931 int nargin = args.length ();
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
932
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
933 if (nargin == 1 || nargin == 2)
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
934 {
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
935 string_vector s = args(0).all_strings ();
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
936
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
937 if (! error_state)
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
938 {
5765
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe]
jwe
parents: 5707
diff changeset
939 std::ostringstream buf;
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
940
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
941 if (nargin == 1)
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
942 // Let list_in_columns query terminal width.
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
943 s.list_in_columns (buf);
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
944 else
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
945 {
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
946 int width = args(1).int_value ();
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
947
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
948 if (! error_state)
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
949 s.list_in_columns (buf, width);
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
950 else
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
951 error ("list_in_columns: expecting width to be an integer");
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
952 }
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
953
5765
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe]
jwe
parents: 5707
diff changeset
954 retval = buf.str ();
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
955 }
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
956 else
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
957 error ("list_in_columns: expecting cellstr or char array");
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
958 }
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
959 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5765
diff changeset
960 print_usage ();
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
961
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
962 return retval;
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
963 }
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
964
807
c03b179482fc [project @ 1994-10-14 14:21:58 by jwe]
jwe
parents:
diff changeset
965 /*
8461
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
966 %!error <Invalid call to list_in_columns.*> list_in_columns ();
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
967 %!error <Invalid call to list_in_columns.*> list_in_columns (["abc", "def"], 20, 2);
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
968 %!error <invalid conversion from string to real scalar.*> list_in_columns (["abc", "def"], "a");
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
969 %!test
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
970 %! input = {"abc", "def", "ghijkl", "mnop", "qrs", "tuv"};
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
971 %! result = "abc mnop\ndef qrs\nghijkl tuv\n";
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
972 %! assert (list_in_columns (input, 20) == result);
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
973 %!test
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
974 %! input = ["abc"; "def"; "ghijkl"; "mnop"; "qrs"; "tuv"];
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
975 %! result = "abc mnop \ndef qrs \nghijkl tuv \n";
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
976 %! assert (list_in_columns (input, 20) == result);
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
977 */
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
978
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
979 /*
807
c03b179482fc [project @ 1994-10-14 14:21:58 by jwe]
jwe
parents:
diff changeset
980 ;;; Local Variables: ***
c03b179482fc [project @ 1994-10-14 14:21:58 by jwe]
jwe
parents:
diff changeset
981 ;;; mode: C++ ***
c03b179482fc [project @ 1994-10-14 14:21:58 by jwe]
jwe
parents:
diff changeset
982 ;;; End: ***
c03b179482fc [project @ 1994-10-14 14:21:58 by jwe]
jwe
parents:
diff changeset
983 */