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_MATH_ROUND_HH 00027 # define MLN_MATH_ROUND_HH 00028 00032 00033 # include <cmath> 00034 00035 # include <mln/core/concept/function.hh> 00036 00037 00038 00039 namespace mln 00040 { 00041 00042 namespace math 00043 { 00044 00045 00046 template <typename R> 00047 struct round : public Function_v2v< round<R> > 00048 { 00049 typedef R result; 00050 00051 template <typename T> 00052 result operator()(const T& v) const; 00053 00054 }; 00055 00056 00057 # ifndef MLN_INCLUDE_ONLY 00058 00059 template <typename R> 00060 template <typename T> 00061 inline 00062 R round<R>::operator()(const T& v) const 00063 { 00064 return (long int)(v + 0.49999); // FIXME: !!! 00065 } 00066 00067 # endif // ! MLN_INCLUDE_ONLY 00068 00069 } // end of namespace mln::math 00070 00071 } // end of namespace mln 00072 00073 00074 #endif // ! MLN_MATH_ROUND_HH
1.7.1