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_FUN_POINT_ROW_HH 00027 # define MLN_FUN_POINT_ROW_HH 00028 00032 00033 # include <mln/fun/unary.hh> 00034 # include <mln/core/point.hh> 00035 00036 namespace mln 00037 { 00038 00039 namespace fun 00040 { 00041 00042 struct row : unary<row> {}; 00043 00044 } // end of namespace mln::fun 00045 00046 # ifndef MLN_INCLUDE_ONLY 00047 00048 namespace trait 00049 { 00050 00051 namespace next 00052 { 00053 00054 template <typename G, typename C> 00055 struct set_precise_unary_<fun::row, point<G,C> > 00056 { 00057 typedef set_precise_unary_ ret; 00058 typedef point<G,C> argument; 00059 typedef typename argument::coord result; 00060 typedef argument& lvalue; 00061 00062 static result read(const argument& p) 00063 { 00064 return p.row(); 00065 } 00066 00067 static void write(lvalue l, const result& r) 00068 { 00069 l.row() = r; 00070 } 00071 }; 00072 00073 } // end of namespace mln::trait::next 00074 00075 } // end of namespace mln::trait 00076 00077 # endif // ! MLN_INCLUDE_ONLY 00078 00079 } // end of namespace mln 00080 00081 #endif // ! MLN_FUN_POINT_ROW_HH