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 #include <iostream> 00027 00028 #include <mln/value/scalar.hh> 00029 #include <mln/value/int_u8.hh> 00030 00031 00032 namespace mln 00033 { 00034 namespace trait 00035 { 00036 00037 namespace op 00038 { 00039 00040 template <typename T> 00041 struct test; 00042 00043 template <typename L, typename R> 00044 struct test_2; 00045 00046 } 00047 00048 // unary 00049 00050 template < typename S > 00051 struct set_unary_< op::test, mln::value::Scalar, S > 00052 { 00053 typedef double ret; 00054 }; 00055 00056 // FIXME: Dead code? 00057 // template <typename I> 00058 // struct set_unary_< op::test, 00059 // mln::value::Integer, I > 00060 // { 00061 // typedef float ret; 00062 // }; 00063 00064 // template <typename I> 00065 // struct set_unary_< op::test, 00066 // mln::value::Built_In, I > 00067 // { 00068 // typedef bool ret; 00069 // }; 00070 00071 00072 // binary 00073 00074 template < typename S1, typename S2 > 00075 struct set_binary_< op::test_2, 00076 mln::value::Scalar, S1, 00077 mln::value::Scalar, S2 > 00078 { 00079 typedef double ret; 00080 }; 00081 00082 // FIXME: Dead code? 00083 // template < typename I, typename S > 00084 // struct set_binary_< op::test_2, 00085 // mln::value::Integer, I, 00086 // mln::value::Scalar, S > 00087 // { 00088 // typedef float ret; 00089 // }; 00090 00091 // template < typename B, typename S > 00092 // struct set_binary_< op::test_2, 00093 // mln::value::Built_In, B, 00094 // mln::value::Scalar, S > 00095 // { 00096 // typedef bool ret; 00097 // }; 00098 00099 } 00100 } 00101 00102 00103 int main() 00104 { 00105 using namespace mln; 00106 00107 { 00108 mln::trait::solve_binary< trait::op::test_2, int, value::scalar_< value::int_u8 > >::ret tmp; 00109 double& d = tmp; 00110 // Avoid a warning about unused variable D. 00111 d = d; 00112 } 00113 { 00114 mln::trait::solve_unary< trait::op::test, int >::ret tmp; 00115 double& d = tmp; 00116 // Avoid a warning about unused variable D. 00117 d = d; 00118 } 00119 }
1.7.1