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_UTIL_ORD_HH 00027 # define MLN_UTIL_ORD_HH 00028 00032 00033 00034 # include <mln/core/concept/object.hh> 00035 # include <mln/trait/op/ord.hh> 00036 00037 00038 00039 namespace mln 00040 { 00041 00042 namespace util 00043 { 00044 00047 template <typename T> 00048 struct ord 00049 { 00050 bool operator()(const T& lhs, const T& rhs) const; 00051 }; 00052 00053 00054 00056 template <typename T> 00057 bool ord_strict(const T& lhs, const T& rhs); 00058 00059 00061 template <typename T> 00062 bool ord_weak(const T& lhs, const T& rhs); 00063 00064 00065 template <typename T1, typename T2> 00066 bool ord_lexi_strict(const T1& lhs_1, const T2& lhs_2, 00067 const T1& rhs_1, const T2& rhs_2); 00068 00069 00070 00071 # ifndef MLN_INCLUDE_ONLY 00072 00073 // ord<T> 00074 00075 template <typename T> 00076 inline 00077 bool 00078 ord<T>::operator()(const T& lhs, const T& rhs) const 00079 { 00080 typedef typename mln::trait::op::ord<T>::ret F; 00081 static const F f_ord = F(); 00082 return f_ord.strict(lhs, rhs); 00083 } 00084 00085 // ord_strict 00086 00087 template <typename T> 00088 inline 00089 bool 00090 ord_strict(const T& lhs, const T& rhs) 00091 { 00092 typedef typename mln::trait::op::ord<T>::ret F; 00093 static const F f_ord = F(); 00094 return f_ord.strict(lhs, rhs); 00095 } 00096 00097 // ord_weak 00098 00099 template <typename T> 00100 inline 00101 bool ord_weak(const T& lhs, const T& rhs) 00102 { 00103 typedef typename mln::trait::op::ord<T>::ret F; 00104 static const F f_ord = F(); 00105 return f_ord.weak(lhs, rhs); 00106 } 00107 00108 // ord_lex_strict 00109 00110 template <typename T1, typename T2> 00111 inline 00112 bool 00113 ord_lexi_strict(const T1& lhs_1, const T2& lhs_2, 00114 const T1& rhs_1, const T2& rhs_2) 00115 { 00116 return 00117 util::ord_strict(lhs_1, rhs_1) || 00118 (lhs_1 == rhs_1 && util::ord_strict(lhs_2, rhs_2)); 00119 } 00120 00121 # endif // ! MLN_INCLUDE_ONLY 00122 00123 } // end of namespace mln::util 00124 00125 } // end of namespace mln 00126 00127 00128 #endif // ! MLN_UTIL_ORD_HH