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_DINDEX_HH 00027 # define MLN_UTIL_DINDEX_HH 00028 00038 # include <mln/util/index.hh> 00039 # include <mln/literal/zero.hh> 00040 # include <mln/literal/one.hh> 00041 00042 00043 namespace mln 00044 { 00045 00046 namespace util 00047 { 00048 00049 // Fwd decl. 00050 template <typename Tag> struct dindex_; 00051 00052 00056 template <typename Tag = void> 00057 struct dindex_ // : public Object< dindex_<Tag> > 00058 { 00059 typedef Object<void> category; 00060 00061 typedef index_<Tag> psite; 00062 typedef index_<Tag> site; 00063 00064 typedef int coord; 00065 enum { dim = 1 }; 00066 00067 int i_; 00068 00069 dindex_() 00070 { 00071 } 00072 00073 dindex_(int i) 00074 : i_(i) 00075 { 00076 } 00077 00079 dindex_(const literal::zero_t&) 00080 : i_(0) 00081 { 00082 } 00083 dindex_<Tag>& operator=(const literal::zero_t&) 00084 { 00085 i_ = 0; 00086 return *this; 00087 } 00088 00089 dindex_(const literal::one_t&) 00090 : i_(1) 00091 { 00092 } 00093 dindex_<Tag>& operator=(const literal::one_t&) 00094 { 00095 i_ = 1; 00096 return *this; 00097 } 00099 00100 bool operator<(const dindex_& rhs) const 00101 { 00102 return i_ < rhs.i_; 00103 } 00104 00105 operator int() const 00106 { 00107 return i_; 00108 } 00109 }; 00110 00111 typedef dindex_<void> dindex; 00112 00113 00114 00115 # ifndef MLN_INCLUDE_ONLY 00116 00117 // FIXME 00118 00119 # endif // ! MLN_INCLUDE_ONLY 00120 00121 } // end of namespace mln::util 00122 00123 } // end of namespace mln 00124 00125 00126 #endif // ! MLN_UTIL_DINDEX_HH
1.7.1