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annotate scripts/deprecated/intersection.m @ 8920:eb63fbe60fab

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update copyright notices
author John W. Eaton <jwe@octave.org>
date Sat, 07 Mar 2009 10:41:27 -0500
parents 1cdb42b372e8
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John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 1996, 1997, 2006, 2007, 2008 John W. Eaton
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} intersection (@var{x}, @var{y})
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21 ## This function has been deprecated. Use intersect instead.
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22 ## @end deftypefn
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23
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24 ## Author: jwe
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25
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26 ## Deprecated in version 3.0
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28 function y = intersection (varargin)
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29
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30 persistent warned = false;
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31 if (! warned)
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32 warned = true;
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33 warning ("Octave:deprecated-function",
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34 "intersection is obsolete and will be removed from a future version of Octave; please use intersect instead");
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35 endif
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36
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37 y = intersect (varargin{:});
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38
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39 endfunction
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41 %!assert(all (all (intersection ([1, 2, 3], [2, 3, 5]) == [2, 3])));
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43 %!assert(all (all (intersection ([1; 2; 3], [2, 3, 5]) == [2, 3])));
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45 %!assert(isempty (intersection ([1, 2, 3], [4; 5; 6])));
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46
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47 %!error intersection (1);
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49 %!error intersection (1, 2, 5);
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