X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Fm%2Fgeometry%2Fdsearch.m;fp=octave_packages%2Fm%2Fgeometry%2Fdsearch.m;h=0648b8764703ec7a6e2688c7f3d70e778ef359e7;hp=0000000000000000000000000000000000000000;hb=1c0469ada9531828709108a4882a751d2816994a;hpb=63de9f36673d49121015e3695f2c336ea92bc278 diff --git a/octave_packages/m/geometry/dsearch.m b/octave_packages/m/geometry/dsearch.m new file mode 100644 index 0000000..0648b87 --- /dev/null +++ b/octave_packages/m/geometry/dsearch.m @@ -0,0 +1,40 @@ +## Copyright (C) 2007-2012 David Bateman +## +## This file is part of Octave. +## +## Octave is free software; you can redistribute it and/or modify it +## under the terms of the GNU General Public License as published by +## the Free Software Foundation; either version 3 of the License, or (at +## your option) any later version. +## +## Octave is distributed in the hope that it will be useful, but +## WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +## General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with Octave; see the file COPYING. If not, see +## . + +## -*- texinfo -*- +## @deftypefn {Function File} {@var{idx} =} dsearch (@var{x}, @var{y}, @var{tri}, @var{xi}, @var{yi}) +## @deftypefnx {Function File} {@var{idx} =} dsearch (@var{x}, @var{y}, @var{tri}, @var{xi}, @var{yi}, @var{s}) +## Return the index @var{idx} or the closest point in @code{@var{x}, @var{y}} +## to the elements @code{[@var{xi}(:), @var{yi}(:)]}. The variable @var{s} is +## accepted for compatibility but is ignored. +## @seealso{dsearchn, tsearch} +## @end deftypefn + +function idx = dsearch (x, y, tri, xi, yi, s) + if (nargin < 5 || nargin > 6) + print_usage (); + endif + idx = __dsearchn__ ([x(:), y(:)], [xi(:), yi(:)]); +endfunction + +%!shared x, y, tri +%! x = [-1;-1;1]; +%! y = [-1;1;-1]; +%! tri = [1,2,3]; +%!assert (dsearch(x,y,tri,1,1/3), 3); +%!assert (dsearch(x,y,tri,1/3,1), 2);