00001 // Copyright (C) 2007, 2008, 2009 EPITA Research and Development Laboratory (LRDE) 00002 // 00003 // This file is part of Olena. 00004 // 00005 // Olena is free software: you can redistribute it and/or modify it under 00006 // the terms of the GNU General Public License as published by the Free 00007 // Software Foundation, version 2 of the License. 00008 // 00009 // Olena is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 // General Public License for more details. 00013 // 00014 // You should have received a copy of the GNU General Public License 00015 // along with Olena. If not, see <http://www.gnu.org/licenses/>. 00016 // 00017 // As a special exception, you may use this file as part of a free 00018 // software project without restriction. Specifically, if other files 00019 // instantiate templates or use macros or inline functions from this 00020 // file, or you compile this file and link it with other files to produce 00021 // an executable, this file does not by itself cause the resulting 00022 // executable to be covered by the GNU General Public License. This 00023 // exception does not however invalidate any other reasons why the 00024 // executable file might be covered by the GNU General Public License. 00025 00026 #ifndef MLN_METAL_MATH_MAX_HH 00027 # define MLN_METAL_MATH_MAX_HH 00028 00034 # include <mln/metal/bool.hh> 00035 # include <mln/metal/int.hh> 00036 00037 # define mlc_max(X, Y) typename mln::metal::math::max< X, Y >::ret 00038 # define mlc_max_int(x, y) mln::metal::math::max_int< x, y >::value 00039 00040 namespace mln 00041 { 00042 00043 namespace metal 00044 { 00045 00046 namespace math 00047 { 00048 00049 // max_int<x, y> 00050 00051 template <int x, int y> 00052 struct max_int 00053 { 00054 enum { value = (x > y ? x : y) }; 00055 }; 00056 00057 00058 // max<X, Y> 00059 00060 template <typename X, typename Y> 00061 struct max; 00062 00063 template <int x, int y> 00064 struct max< int_<x>, int_<y> > 00065 { 00066 typedef int_< max_int<x, y>::value > ret; 00067 }; 00068 00069 00070 } // end of namespace mln::metal::math 00071 00072 } // end of namespace mln::metal 00073 00074 } // end of namespace mln 00075 00076 00077 #endif // ! MLN_METAL_MATH_MAX_HH
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