Milena (Olena)
User documentation 2.0a Id
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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_P2P_TRANSLATION_HH 00027 # define MLN_FUN_P2P_TRANSLATION_HH 00028 00032 00033 # include <mln/core/concept/function.hh> 00034 # include <mln/core/concept/gdpoint.hh> 00035 00036 00037 namespace mln 00038 { 00039 00040 namespace fun 00041 { 00042 00043 namespace p2p 00044 { 00045 00046 template <typename P> 00047 struct translation_t : public Function_v2v< translation_t<P> > 00048 { 00049 typedef P result; 00050 typedef P argument; 00051 00052 translation_t(const mln_delta(P)& dp); 00053 00054 P operator()(const P& p) const; 00055 P inverse(const P& p) const; 00056 00057 protected: 00058 mln_delta(P) dp_; 00059 }; 00060 00061 00062 template <typename D> 00063 translation_t<mln_site(D)> 00064 translation(const Gdpoint<D>& dp); 00065 00066 00067 00068 # ifndef MLN_INCLUDE_ONLY 00069 00070 template <typename P> 00071 inline 00072 translation_t<P>::translation_t(const mln_delta(P)& dp) 00073 : dp_(dp) 00074 { 00075 } 00076 00077 template <typename P> 00078 inline 00079 P 00080 translation_t<P>::operator()(const P& p) const 00081 { 00082 return p + dp_; 00083 } 00084 00085 template <typename P> 00086 inline 00087 P 00088 translation_t<P>::inverse(const P& p) const 00089 { 00090 return p - dp_; 00091 } 00092 00093 00094 template <typename D> 00095 inline 00096 translation_t<mln_site(D)> 00097 translation(const Gdpoint<D>& dp) 00098 { 00099 translation_t<mln_site(D)> tmp(exact(dp)); 00100 return tmp; 00101 } 00102 00103 00104 # endif // ! MLN_INCLUDE_ONLY 00105 00106 } // end of namespace mln::fun::p2p 00107 00108 } // end of namespace mln::fun 00109 00110 } // end of namespace mln 00111 00112 00113 #endif // ! MLN_FUN_P2P_TRANSLATION_HH