00001 // Copyright (C) 2007, 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_CORE_CONCEPT_DPOINT_HH 00027 # define MLN_CORE_CONCEPT_DPOINT_HH 00028 00033 # include <mln/core/concept/delta_point_site.hh> 00034 # include <mln/core/grids.hh> 00035 00036 00037 namespace mln 00038 { 00039 00040 // Fwd decl. 00041 template <typename E> struct Dpoint; 00042 00043 00044 // Dpoint category flag type. 00045 template <> 00046 struct Dpoint<void> 00047 { 00048 typedef Delta_Point_Site<void> super; 00049 }; 00050 00051 00062 template <typename E> 00063 struct Dpoint : public Delta_Point_Site<E> 00064 { 00065 typedef Dpoint<void> category; 00066 00067 typedef E dpoint; 00068 00070 const E& to_dpoint() const; 00071 00072 protected: 00073 Dpoint(); 00074 }; 00075 00076 00077 # ifndef MLN_INCLUDE_ONLY 00078 00079 template <typename E> 00080 inline 00081 Dpoint<E>::Dpoint() 00082 { 00083 } 00084 00085 template <typename E> 00086 inline 00087 const E& 00088 Dpoint<E>::to_dpoint() const 00089 { 00090 return exact(*this); 00091 } 00092 00093 # endif // ! MLN_INCLUDE_ONLY 00094 00095 } // end of namespace mln 00096 00097 00098 #endif // ! MLN_CORE_CONCEPT_DPOINT_HH