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annotate scripts/geometry/dsearch.m @ 11523:fd0a3ac60b0e

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update copyright notices
author John W. Eaton <jwe@octave.org>
date Fri, 14 Jan 2011 05:47:45 -0500
parents c776f063fefe
children c792872f8942
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fd0a3ac60b0e update copyright notices
John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 2007-2011 David Bateman
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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} {@var{idx} =} dsearch (@var{x}, @var{y}, @var{tri}, @var{xi}, @var{yi})
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21 ## @deftypefnx {Function File} {@var{idx} =} dsearch (@var{x}, @var{y}, @var{tri}, @var{xi}, @var{yi}, @var{s})
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22 ## Returns the index @var{idx} or the closest point in @code{@var{x}, @var{y}}
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23 ## to the elements @code{[@var{xi}(:), @var{yi}(:)]}. The variable @var{s} is
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24 ## accepted for compatibility but is ignored.
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25 ## @seealso{dsearchn, tsearch}
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26 ## @end deftypefn
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28 function idx = dsearch (x, y, tri, xi, yi, s)
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29 if (nargin < 5 || nargin > 6)
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30 print_usage ();
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31 endif
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32 idx = __dsearchn__ ([x(:), y(:)], [xi(:), yi(:)]);
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33 endfunction
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34
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35 %!shared x, y, tri
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36 %! x = [-1;-1;1];
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37 %! y = [-1;1;-1];
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38 %! tri = [1,2,3];
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39 %!assert (dsearch(x,y,tri,1,1/3), 3);
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40 %!assert (dsearch(x,y,tri,1/3,1), 2);