00001 // Copyright (C) 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_V2V_COMPONENT_HH 00027 # define MLN_FUN_V2V_COMPONENT_HH 00028 00032 00033 # include <mln/core/concept/function.hh> 00034 # include <mln/trait/value_.hh> 00035 # include <mln/trait/value/comp.hh> 00036 # include <mln/value/builtin/all.hh> 00037 00038 00039 namespace mln 00040 { 00041 00042 namespace fun 00043 { 00044 00045 namespace v2v 00046 { 00047 00049 // 00050 template <typename T, unsigned i> 00051 struct component : public Function_v2v< component<T,i> >, 00052 private metal::bool_<(i <= trait::value_<T>::dim)>::check_t 00053 { 00054 typedef mln_trait_value_comp(T, i) result; 00055 result operator()(const T& v) const; 00056 }; 00057 00058 00059 # ifndef MLN_INCLUDE_ONLY 00060 00061 template <typename T, unsigned i> 00062 inline 00063 typename component<T,i>::result 00064 component<T,i>::operator()(const T& v) const 00065 { 00066 return trait::value::internal::comp<T,i>::on(v); 00067 } 00068 00069 # endif // ! MLN_INCLUDE_ONLY 00070 00071 } // end of namespace mln::fun::v2v 00072 00073 } // end of namespace mln::fun 00074 00075 } // end of namespace mln 00076 00077 00078 #endif // ! MLN_FUN_V2V_COMPONENT_HH
1.7.1