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ncols.hh
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// Copyright (C) 2007, 2008, 2009 EPITA Research and Development
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// Laboratory (LRDE)
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//
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// This file is part of Olena.
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//
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// Olena is free software: you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation, version 2 of the License.
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//
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// Olena is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Olena. If not, see <http://www.gnu.org/licenses/>.
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//
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// As a special exception, you may use this file as part of a free
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// software project without restriction. Specifically, if other files
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// instantiate templates or use macros or inline functions from this
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// file, or you compile this file and link it with other files to produce
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// an executable, this file does not by itself cause the resulting
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// executable to be covered by the GNU General Public License. This
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// exception does not however invalidate any other reasons why the
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// executable file might be covered by the GNU General Public License.
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#ifndef MLN_GEOM_NCOLS_HH
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# define MLN_GEOM_NCOLS_HH
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# include <mln/geom/min_col.hh>
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# include <mln/geom/max_col.hh>
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namespace
mln
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{
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namespace
geom
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{
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template
<
typename
I>
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unsigned
ncols
(
const
Image<I>& ima);
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template
<
typename
B>
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unsigned
ncols
(
const
Box<B>& b);
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# ifndef MLN_INCLUDE_ONLY
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template
<
typename
I>
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inline
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unsigned
ncols
(
const
Image<I>
& ima)
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{
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mln_precondition(exact(ima).is_valid());
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unsigned
ncols
=
geom::max_col
(ima) -
geom::min_col
(ima) + 1;
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return
ncols
;
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}
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template
<
typename
B>
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unsigned
ncols
(
const
Box<B>
& b)
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{
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metal::not_<metal::equal<metal::int_<B::dim>, metal::int_<1> > >::check();
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unsigned
ncols
=
geom::max_col
(b) -
geom::min_col
(b) + 1;
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return
ncols
;
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}
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# endif // ! MLN_INCLUDE_ONLY
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}
// end of namespace mln::geom
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}
// end of namespace mln
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#endif // ! MLN_GEOM_NCOLS_HH
mln
geom
ncols.hh
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