Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 2007, 2009 EPITA Research and Development Laboratory 00002 // (LRDE) 00003 // 00004 // This file is part of Olena. 00005 // 00006 // Olena is free software: you can redistribute it and/or modify it under 00007 // the terms of the GNU General Public License as published by the Free 00008 // Software Foundation, version 2 of the License. 00009 // 00010 // Olena is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 // General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU General Public License 00016 // along with Olena. If not, see <http://www.gnu.org/licenses/>. 00017 // 00018 // As a special exception, you may use this file as part of a free 00019 // software project without restriction. Specifically, if other files 00020 // instantiate templates or use macros or inline functions from this 00021 // file, or you compile this file and link it with other files to produce 00022 // an executable, this file does not by itself cause the resulting 00023 // executable to be covered by the GNU General Public License. This 00024 // exception does not however invalidate any other reasons why the 00025 // executable file might be covered by the GNU General Public License. 00026 00027 #ifndef MLN_DATA_COMPARE_HH 00028 # define MLN_DATA_COMPARE_HH 00029 00033 00034 # include <mln/core/concept/image.hh> 00035 # include <mln/fun/vv2b/eq.hh> 00036 # include <mln/fun/vv2b/le.hh> 00037 # include <mln/fun/vv2b/lt.hh> 00038 # include <mln/test/predicate.hh> 00039 00040 00041 namespace mln 00042 { 00043 00051 // 00052 template <typename L, typename R> 00053 bool operator == (const Image<L>& lhs, const Image<R>& rhs); 00054 00055 00063 // 00064 template <typename L, typename R> 00065 bool operator < (const Image<L>& lhs, const Image<R>& rhs); 00066 00067 00075 // 00076 template <typename L, typename R> // required! 00077 bool operator <= (const Image<L>& lhs, const Image<R>& rhs); 00078 00079 00080 00081 # ifndef MLN_INCLUDE_ONLY 00082 00083 00084 template <typename L, typename R> 00085 inline 00086 bool operator == (const Image<L>& lhs_, const Image<R>& rhs_) 00087 { 00088 trace::entering("data::compare (==)"); 00089 00090 const L& lhs = exact(lhs_); 00091 const R& rhs = exact(rhs_); 00092 00093 mln_precondition(lhs.is_valid()); 00094 mln_precondition(rhs.is_valid()); 00095 mln_precondition(lhs.domain() == rhs.domain()); 00096 00097 typedef fun::vv2b::eq<mln_value(L), mln_value(R)> F; 00098 bool res = test::predicate(lhs, rhs, F()); 00099 00100 trace::exiting("data::compare (==)"); 00101 return res; 00102 } 00103 00104 00105 template <typename L, typename R> 00106 inline 00107 bool operator < (const Image<L>& lhs_, const Image<R>& rhs_) 00108 { 00109 trace::entering("data::compare (<)"); 00110 00111 const L& lhs = exact(lhs_); 00112 const R& rhs = exact(rhs_); 00113 00114 mln_precondition(lhs.domain() == rhs.domain()); 00115 00116 typedef fun::vv2b::lt<mln_value(L), mln_value(R)> F; 00117 bool res = test::predicate(lhs_, rhs_, F()); 00118 00119 trace::exiting("data::compare (<)"); 00120 return res; 00121 } 00122 00123 00124 template <typename L, typename R> // required! 00125 inline 00126 bool operator <= (const Image<L>& lhs_, const Image<R>& rhs_) 00127 { 00128 trace::entering("data::compare (<=)"); 00129 00130 const L& lhs = exact(lhs_); 00131 const R& rhs = exact(rhs_); 00132 00133 mln_precondition(lhs.domain() == rhs.domain()); 00134 00135 typedef fun::vv2b::le<mln_value(L), mln_value(R)> F; 00136 bool res = test::predicate(lhs_, rhs_, F()); 00137 00138 trace::exiting("data::compare (<=)"); 00139 return res; 00140 } 00141 00142 # endif // ! MLN_INCLUDE_ONLY 00143 00144 } // end of namespace mln 00145 00146 00147 #endif // ! MLN_DATA_COMPARE_HH