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greater_point.hh
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// Copyright (C) 2005, 2008, 2009 EPITA Research and Development 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_UTIL_GREATER_POINT_HH
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# define MLN_UTIL_GREATER_POINT_HH
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# include <mln/core/concept/image.hh>
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namespace
mln {
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namespace
util {
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template
<
typename
I>
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class
greater_point
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{
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public
:
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typedef
mln_psite(I) point;
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greater_point
(
const
Image<I>
& ima);
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bool
operator()
(
const
point& x,
const
point& y);
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private
:
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const
I& ima_;
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};
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/* FIXME: To be moved into mln/make/? */
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template
<
typename
I>
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greater_point<I>
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make_greater_point
(
const
Image<I>
& ima);
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# ifndef MLN_INCLUDE_ONLY
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template
<
typename
I>
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greater_point<I>::greater_point
(
const
Image<I>
& ima)
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: ima_ (exact(ima))
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{
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}
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template
<
typename
I>
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bool
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greater_point<I>::operator()
(
const
point& x,
const
point& y)
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{
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return
ima_(x) > ima_(y);
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}
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template
<
typename
I>
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greater_point<I>
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make_greater_point
(
const
Image<I>
& ima)
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{
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return
greater_point<I>
(ima);
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}
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# endif // ! MLN_INCLUDE_ONLY
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}
// end of namespace mln::util
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}
// end of namespace mln
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#endif // ! MLN_UTIL_GREATER_POINT_HH
mln
util
greater_point.hh
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