00001 // Copyright (C) 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_FUN_V2B_THRESHOLD_HH 00027 # define MLN_FUN_V2B_THRESHOLD_HH 00028 00032 00033 # include <mln/core/concept/function.hh> 00034 00035 00036 namespace mln 00037 { 00038 00039 namespace fun 00040 { 00041 00042 namespace v2b 00043 { 00044 00047 template <typename V> 00048 struct threshold : public Function_v2b< threshold<V> > 00049 { 00050 typedef bool result; 00051 bool operator()(const V& v) const; 00052 00053 threshold(const V& a); 00054 V a; 00055 }; 00056 00057 00058 # ifndef MLN_INCLUDE_ONLY 00059 00060 template <typename V> 00061 inline 00062 threshold<V>::threshold(const V& a) 00063 : a(a) 00064 { 00065 } 00066 00067 template <typename V> 00068 inline 00069 bool 00070 threshold<V>::operator()(const V& v) const 00071 { 00072 return v >= a; 00073 } 00074 00075 # endif // ! MLN_INCLUDE_ONLY 00076 00077 } // end of namespace mln::fun::v2b 00078 00079 } // end of namespace mln::fun 00080 00081 } // end of namespace mln 00082 00083 00084 #endif // ! MLN_FUN_V2B_THRESHOLD_HH