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_P2B_BIG_CHESS_HH 00027 # define MLN_FUN_P2B_BIG_CHESS_HH 00028 00034 # include <mln/core/concept/function.hh> 00035 # include <mln/core/alias/point2d.hh> 00036 00037 00038 namespace mln 00039 { 00040 00041 namespace fun 00042 { 00043 00044 namespace p2b 00045 { 00046 00047 // FIXME: Doc! 00048 template <typename B> 00049 struct big_chess : public Function_v2b< big_chess<B> > 00050 { 00051 typedef bool result; 00052 typedef mln_psite(B) P; 00053 00054 big_chess(const B& box, const unsigned div); 00055 00056 bool operator()(const P& p) const; 00057 00058 const B& box; 00059 const unsigned div; 00060 }; 00061 00062 00063 # ifndef MLN_INCLUDE_ONLY 00064 00065 template < typename B> 00066 big_chess<B>::big_chess(const B& box, const unsigned div) 00067 : box(box), div(div) 00068 { 00069 } 00070 00071 template < typename B> 00072 inline 00073 bool 00074 big_chess<B>::operator()(const P& p) const 00075 { 00076 mln_coord(P) ret = 0; 00077 00078 for (short i = 0; i < P::dim; i++) 00079 ret += p[i] / ((box.pmax()[i] - 1) / div); 00080 00081 return ret % 2; 00082 } 00083 00084 # endif // ! MLN_INCLUDE_ONLY 00085 00086 } // end of namespace mln::fun::p2b 00087 00088 } // end of namespace mln::fun 00089 00090 } // end of namespace mln 00091 00092 00093 #endif // ! MLN_FUN_P2B_BIG_CHESS_HH