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metal/math/max.hh
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// Copyright (C) 2007, 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_METAL_MATH_MAX_HH
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# define MLN_METAL_MATH_MAX_HH
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# include <mln/metal/bool.hh>
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# include <mln/metal/int.hh>
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# define mlc_max(X, Y) typename mln::metal::math::max< X, Y >::ret
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# define mlc_max_int(x, y) mln::metal::math::max_int< x, y >::value
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namespace
mln
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{
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namespace
metal
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{
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namespace
math
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{
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// max_int<x, y>
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template
<
int
x,
int
y>
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struct
max_int
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{
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enum
{
value
= (x > y ? x : y) };
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};
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// max<X, Y>
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template
<
typename
X,
typename
Y>
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struct
max
;
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template
<
int
x,
int
y>
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struct
max
< int_<x>, int_<y> >
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{
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typedef
int_< max_int<x, y>::value > ret;
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};
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}
// end of namespace mln::metal::math
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}
// end of namespace mln::metal
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}
// end of namespace mln
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#endif // ! MLN_METAL_MATH_MAX_HH
mln
metal
math
max.hh
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