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annotate scripts/deprecated/is_duplicate_entry.m @ 12556:88558b8eb8a7

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Add deprecated entry for cquad() pointing to quadcc(). HG Enter commit message. Lines beginning with 'HG:' are removed.
author Rik <octave@nomad.inbox5.com>
date Thu, 31 Mar 2011 09:57:11 -0700
parents 294c0927c762
children 72c96de7a403
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fd0a3ac60b0e update copyright notices
John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 1996-2011 A. S. Hodel
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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} {} is_duplicate_entry (@var{x})
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21 ## Return non-zero if any entries in @var{x} are duplicates of one
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22 ## another.
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0d9640d755b1 Improve docstrings for all isXXX functions.
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23 ## @seealso{unique}
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24 ## @end deftypefn
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25
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26 ## Author: A. S. Hodel <scotte@eng.auburn.edu>
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27
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28 function retval = is_duplicate_entry (x)
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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 "is_duplicate_entry is obsolete and will be removed from a future version of Octave; see the function unique for equivalent functionality");
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35 endif
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36
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37
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38 if (nargin == 1)
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39 if (ismatrix (x))
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40 lx = numel (x);
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41 lx1 = lx-1;
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42 x = sort (reshape (x, 1, lx));
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43 dx = x(1:lx1) - x(2:lx);
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44 retval = sum (dx == 0);
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45 else
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46 error ("is_duplicate_entry: expecting matrix argument");
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47 endif
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48 else
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49 print_usage ();
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50 endif
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51
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52 endfunction
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