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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 2020.
author John W. Eaton <jwe@octave.org>
date Mon, 06 Jan 2020 22:29:51 -0500
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children bd51beb6205e
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27919
1891570abac8 update Octave Project Developers copyright for the new year
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1 ## Copyright (C) 2013-2020 The Octave Project Developers
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2 ##
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3 ## See the file COPYRIGHT.md in the top-level directory of this distribution
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4 ## or <https://octave.org/COPYRIGHT.html/>.
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5 ##
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6 ##
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7 ## This file is part of Octave.
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8 ##
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9 ## Octave is free software: you can redistribute it and/or modify it
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10 ## under the terms of the GNU General Public License as published by
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11 ## the Free Software Foundation, either version 3 of the License, or
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12 ## (at your option) any later version.
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13 ##
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14 ## Octave is distributed in the hope that it will be useful, but
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15 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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16 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 ## GNU General Public License for more details.
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18 ##
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19 ## You should have received a copy of the GNU General Public License
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20 ## along with Octave; see the file COPYING. If not, see
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21 ## <https://www.gnu.org/licenses/>.
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22
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23 %!function r = sigma (opt)
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24 %! global sigma_call;
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25 %! if (nargin == 0)
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26 %! sigma_call = "function";
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27 %! r = 1;
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28 %! elseif (ischar (opt))
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29 %! sigma_call = "command";
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30 %! r = 1;
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31 %! else
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32 %! sigma_call = "unexpected";
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33 %! endif
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34 %!endfunction
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35 %!
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36 %!function f1 ()
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37 %! ## ERROR; sigma used as variable and later parsed as command
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38 %! sigma = svd (1);
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39 %! eval ("sigma -1;");
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40 %!endfunction
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41 %!
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42 %!function f1a ()
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43 %! ## Assignment of eval result means eval code is not parsed as command.
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44 %! sigma = svd (1);
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45 %! val = eval ("sigma -1;");
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46 %!endfunction
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47 %!
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48 %!function f2 ()
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49 %! ## ERROR; sigma used as variable and later parsed as command
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50 %! [u, sigma, v] = svd (1);
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51 %! eval ("sigma -1;");
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52 %!endfunction
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53 %!
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54 %!function f2a ()
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55 %! ## Assignment of eval result means eval code is not parsed as command.
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56 %! [u, sigma, v] = svd (1);
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57 %! val = eval ("sigma -1;");
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58 %!endfunction
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59 %!
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60 %!function f3 (sigma)
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61 %! ## No assignment of eval result means eval code is parsed as command.
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62 %! ## If f3 is called with a value for sigma, it will be used. Otherwise,
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63 %! ## search for the function sigma and call with no arguments.
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64 %! eval ("sigma -1;");
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65 %!endfunction
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66 %!
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67 %!function f3a (sigma)
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68 %! ## Assignment of eval result means eval code is not parsed as command.
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69 %! val = eval ("sigma -1;");
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70 %!endfunction
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71 %!
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72 %!function f4 ()
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73 %! ## No assignment of eval result means eval code is parsed as command.
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74 %! eval ("sigma -1;");
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75 %!endfunction
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76 %!
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77 %!function f4a ()
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78 %! ## Assignment of eval result means eval code is not parsed as command.
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79 %! val = eval ("sigma -1;");
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80 %!endfunction
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81 %!
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82 %!test <55610>
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83 %! global sigma_call;
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84 %! sigma_call = "none";
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85 %! ## Matlab complains about sigma previously being used as a variable
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86 %! ## before being used as a command.
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87 %! fail ("f1 ()", "used as variable and later as function");
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88 %! assert (sigma_call, "none");
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89 %! clear -global sigma_call
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90 %!
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91 %!test <55610>
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92 %! global sigma_call;
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93 %! sigma_call = "none";
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94 %! f1a ();
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95 %! assert (sigma_call, "none");
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96 %! clear -global sigma_call
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97 %!
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98 %!test <55610>
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99 %! global sigma_call;
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100 %! sigma_call = "none";
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101 %! ## Matlab complains about sigma previously being used as a variable
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102 %! ## before being used as a command.
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103 %! fail ("f2 ()", "used as variable and later as function");
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104 %! assert (sigma_call, "none");
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105 %! clear -global sigma_call
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106 %!
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107 %!test <55610>
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108 %! global sigma_call;
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109 %! sigma_call = "none";
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110 %! f2a ();
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111 %! assert (sigma_call, "none");
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112 %! clear -global sigma_call
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113 %!
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114 %!test <55610>
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115 %! global sigma_call;
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116 %! sigma_call = "none";
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117 %! f3 ();
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118 %! assert (sigma_call, "command");
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119 %! clear -global sigma_call
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120 %!
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121 %!test <55610>
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122 %! global sigma_call;
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123 %! sigma_call = "none";
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124 %! f3a ();
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125 %! assert (sigma_call, "function");
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126 %! clear -global sigma_call
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127 %!
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128 %!test <55610>
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129 %! global sigma_call;
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130 %! sigma_call = "none";
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131 %! ## NOTE: this result disagrees with Matlab, which evaluates sigma
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132 %! ## as a command-style function even though there is a variable named
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133 %! ## sigma defined in the workspace prior to evaluating the function
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134 %! ## call (compare with f1() and f2() above).
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135 %! fail ("f3 (1)", "used as variable and later as function");
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136 %! assert (sigma_call, "none");
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137 %! clear -global sigma_call
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138 %!
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139 %!test <55610>
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140 %! global sigma_call;
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141 %! sigma_call = "none";
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142 %! f3a (1);
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143 %! assert (sigma_call, "none");
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144 %! clear -global sigma_call
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145 %!
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146 %!test <55610>
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147 %! global sigma_call;
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148 %! sigma_call = "none";
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149 %! f4 ();
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150 %! assert (sigma_call, "command");
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151 %! clear -global sigma_call
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152 %!
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153 %!test <55610>
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154 %! global sigma_call;
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155 %! sigma_call = "none";
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156 %! f4a ();
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157 %! assert (sigma_call, "function");
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158 %! clear -global sigma_call