Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 2008, 2009, 2010 EPITA Research and Development 00002 // Laboratory (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_CONVERT_IMPL_FROM_INT_TO_VALUE_HH 00028 # define MLN_CONVERT_IMPL_FROM_INT_TO_VALUE_HH 00029 00035 00036 # include <utility> 00037 # include <mln/value/concept/integer.hh> 00038 # include <mln/core/concept/value.hh> 00039 # include <mln/math/round.hh> 00040 00041 00042 00043 00044 namespace mln 00045 { 00046 00047 namespace convert 00048 { 00049 00051 template <typename V> 00052 void 00053 from_to(const int& from, Value<V>& to); 00054 00055 00056 # ifndef MLN_INCLUDE_ONLY 00057 00058 namespace impl 00059 { 00060 00061 // Case 1: 00062 00063 template <typename V> 00064 inline 00065 void 00066 from_int_to_value(const int& from, 00067 mln::value::Integer<V>& to) 00068 { 00069 exact(to) = from; 00070 } 00071 00072 // Default: no conversion defined. 00073 00074 template <typename V> 00075 inline 00076 void 00077 from_int_to_value(const int& from, 00078 Value<V>& to) 00079 { 00080 (void) from; 00081 (void) to; 00082 mlc_abort(V)::check(); 00083 } 00084 00085 } // end of namespace mln::convert::impl 00086 00087 00088 namespace internal 00089 { 00090 00091 template <typename V> 00092 inline 00093 void 00094 from_int_to_value_dispatch(const int& from, Value<V>& to) 00095 { 00096 impl::from_int_to_value(from, exact(to)); 00097 } 00098 00099 } // end of namespace mln::convert::internal 00100 00101 00102 namespace over_load 00103 { 00104 00105 // Facades. 00106 // int-> Value 00107 template <typename V> 00108 void 00109 from_to_(const int& from, Value<V>& to) 00110 { 00111 internal::from_int_to_value_dispatch(from, to); 00112 } 00113 00114 } // end of namespace mln::convert::over_load 00115 00116 # endif // ! MLN_INCLUDE_ONLY 00117 00118 } // end of namespace mln::convert 00119 00120 } // end of namespace mln 00121 00122 00123 #endif // ! MLN_CONVERT_IMPL_FROM_INT_TO_VALUE_HH