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update Octave Project Developers copyright for the new year In files that have the "Octave Project Developers" copyright notice, update for 2021. In all .txi and .texi files except gpl.txi and gpl.texi in the doc/liboctave and doc/interpreter directories, change the copyright to "Octave Project Developers", the same as used for other source files. Update copyright notices for 2022 (not done since 2019). For gpl.txi and gpl.texi, change the copyright notice to be "Free Software Foundation, Inc." and leave the date at 2007 only because this file only contains the text of the GPL, not anything created by the Octave Project Developers. Add Paul Thomas to contributors.in.
author John W. Eaton <jwe@octave.org>
date Tue, 28 Dec 2021 18:22:40 -0500
parents de40b395b9c3
children 597f3ee61a48
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1 ########################################################################
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2 ##
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3 ## Copyright (C) 2013-2022 The Octave Project Developers
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4 ##
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5 ## See the file COPYRIGHT.md in the top-level directory of this
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6 ## distribution or <https://octave.org/copyright/>.
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7 ##
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8 ## This file is part of Octave.
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9 ##
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10 ## Octave is free software: you can redistribute it and/or modify it
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11 ## under the terms of the GNU General Public License as published by
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12 ## the Free Software Foundation, either version 3 of the License, or
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13 ## (at your option) any later version.
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14 ##
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15 ## Octave is distributed in the hope that it will be useful, but
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16 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 ## GNU General Public License for more details.
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19 ##
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20 ## You should have received a copy of the GNU General Public License
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21 ## along with Octave; see the file COPYING. If not, see
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22 ## <https://www.gnu.org/licenses/>.
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23 ##
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24 ########################################################################
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25
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26 %!function r = sigma (opt)
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27 %! global sigma_call;
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28 %! if (nargin == 0)
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29 %! sigma_call = "function";
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30 %! r = 1;
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31 %! elseif (ischar (opt))
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32 %! sigma_call = "command";
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33 %! r = 1;
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34 %! else
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35 %! sigma_call = "unexpected";
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36 %! endif
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37 %!endfunction
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38 %!
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39 %!function f1 ()
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40 %! ## ERROR; sigma used as variable and later parsed as command
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41 %! sigma = svd (1);
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42 %! eval ("sigma -1;");
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43 %!endfunction
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44 %!
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45 %!function f1a ()
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46 %! ## Assignment of eval result means eval code is not parsed as command.
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47 %! sigma = svd (1);
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48 %! val = eval ("sigma -1;");
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49 %!endfunction
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50 %!
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51 %!function f2 ()
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52 %! ## ERROR; sigma used as variable and later parsed as command
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53 %! [u, sigma, v] = svd (1);
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54 %! eval ("sigma -1;");
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55 %!endfunction
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56 %!
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57 %!function f2a ()
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58 %! ## Assignment of eval result means eval code is not parsed as command.
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59 %! [u, sigma, v] = svd (1);
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60 %! val = eval ("sigma -1;");
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61 %!endfunction
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62 %!
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63 %!function f3 (sigma)
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64 %! ## No assignment of eval result means eval code is parsed as command.
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65 %! ## If f3 is called with a value for sigma, it will be used. Otherwise,
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66 %! ## search for the function sigma and call with no arguments.
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67 %! eval ("sigma -1;");
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68 %!endfunction
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69 %!
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70 %!function f3a (sigma)
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71 %! ## Assignment of eval result means eval code is not parsed as command.
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72 %! val = eval ("sigma -1;");
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73 %!endfunction
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74 %!
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75 %!function f4 ()
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76 %! ## No assignment of eval result means eval code is parsed as command.
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77 %! eval ("sigma -1;");
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78 %!endfunction
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79 %!
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80 %!function f4a ()
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81 %! ## Assignment of eval result means eval code is not parsed as command.
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82 %! val = eval ("sigma -1;");
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83 %!endfunction
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84 %!
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85 %!test <55610>
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86 %! global sigma_call;
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87 %! sigma_call = "none";
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88 %! ## Matlab complains about sigma previously being used as a variable
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89 %! ## before being used as a command.
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90 %! fail ("f1 ()", "used as variable and later as function");
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91 %! assert (sigma_call, "none");
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92 %! clear -global sigma_call
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93 %!
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94 %!test <55610>
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95 %! global sigma_call;
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96 %! sigma_call = "none";
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97 %! f1a ();
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98 %! assert (sigma_call, "none");
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99 %! clear -global sigma_call
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100 %!
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101 %!test <55610>
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102 %! global sigma_call;
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103 %! sigma_call = "none";
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104 %! ## Matlab complains about sigma previously being used as a variable
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105 %! ## before being used as a command.
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106 %! fail ("f2 ()", "used as variable and later as function");
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107 %! assert (sigma_call, "none");
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108 %! clear -global sigma_call
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109 %!
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110 %!test <55610>
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111 %! global sigma_call;
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112 %! sigma_call = "none";
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113 %! f2a ();
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114 %! assert (sigma_call, "none");
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115 %! clear -global sigma_call
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116 %!
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117 %!test <55610>
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118 %! global sigma_call;
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119 %! sigma_call = "none";
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120 %! f3 ();
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121 %! assert (sigma_call, "command");
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122 %! clear -global sigma_call
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123 %!
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124 %!test <55610>
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125 %! global sigma_call;
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126 %! sigma_call = "none";
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127 %! f3a ();
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128 %! assert (sigma_call, "function");
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129 %! clear -global sigma_call
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130 %!
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131 %!test <55610>
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132 %! global sigma_call;
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133 %! sigma_call = "none";
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134 %! ## NOTE: this result disagrees with Matlab, which evaluates sigma
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135 %! ## as a command-style function even though there is a variable named
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136 %! ## sigma defined in the workspace prior to evaluating the function
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137 %! ## call (compare with f1() and f2() above).
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138 %! fail ("f3 (1)", "used as variable and later as function");
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139 %! assert (sigma_call, "none");
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140 %! clear -global sigma_call
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141 %!
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142 %!test <55610>
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143 %! global sigma_call;
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144 %! sigma_call = "none";
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145 %! f3a (1);
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146 %! assert (sigma_call, "none");
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147 %! clear -global sigma_call
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148 %!
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149 %!test <55610>
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150 %! global sigma_call;
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151 %! sigma_call = "none";
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152 %! f4 ();
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153 %! assert (sigma_call, "command");
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154 %! clear -global sigma_call
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155 %!
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156 %!test <55610>
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157 %! global sigma_call;
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158 %! sigma_call = "none";
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159 %! f4a ();
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160 %! assert (sigma_call, "function");
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161 %! clear -global sigma_call
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162
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163 %!function r = f_eval_fun ()
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164 %! evalin_value = "this is f_eval_fun";
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165 %! r = evalin ("caller", "evalin_value");
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166 %!endfunction
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167 %!function r = g_eval_fun ()
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168 %! evalin_value = "this is g_eval_fun";
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169 %! r = evalin ("caller", "f_eval_fun ()");
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170 %!endfunction
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171 %!function r = h_eval_fun ()
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172 %! evalin_value = "this is h_eval_fun";
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173 %! r = f_eval_fun ();
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174 %!endfunction
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175
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176 %!shared evalin_value
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177 %! evalin_value = "this is the caller";
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178 %!assert <*59847> (f_eval_fun (), "this is the caller");
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179 %!assert <*59847> (g_eval_fun (), "this is the caller");
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180 %!assert <*59847> (h_eval_fun (), "this is h_eval_fun");
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181
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182 %!function r = f_asgn_fun ()
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183 %! asgnin_value = "this is f_asgn_fun";
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184 %! assignin ("caller", "asgnin_value", "f value");
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185 %! r = asgnin_value;
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186 %!endfunction
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187 %!function r = g_asgn_fun ()
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188 %! asgnin_value = "this is g_asgn_fun";
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189 %! evalin ("caller", "f_asgn_fun ();");
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190 %! r = asgnin_value;
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191 %!endfunction
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192 %!function r = h_asgn_fun ()
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193 %! asgnin_value = "this is h_asgn_fun";
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194 %! f_asgn_fun ();
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195 %! r = asgnin_value;
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196 %!endfunction
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197
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198 %!test <*59847>
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199 %! asgnin_value = "this is the caller";
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200 %! assert (f_asgn_fun (), "this is f_asgn_fun");
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201 %! assert (asgnin_value, "f value");
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202
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203 %!test <*59847>
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204 %! asgnin_value = "this is the caller";
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205 %! assert (g_asgn_fun (), "this is g_asgn_fun");
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206 %! assert (asgnin_value, "f value");
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207
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208 %!test <*59847>
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209 %! asgnin_value = "this is the caller";
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210 %! assert (h_asgn_fun (), "f value");
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211 %! assert (asgnin_value, "this is the caller");