Milena (Olena)
User documentation 2.0a Id
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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 #ifndef MLN_CORE_CONCEPT_POINT_HH 00027 # define MLN_CORE_CONCEPT_POINT_HH 00028 00034 # include <mln/core/concept/point_site.hh> 00035 # include <mln/core/concept/dpoint.hh> 00036 # include <mln/value/concept/scalar.hh> 00037 00038 00039 namespace mln 00040 { 00041 00042 // Fwd decl. 00043 template <typename E> struct Point; 00044 00045 00046 // Point category flag type. 00047 template <> 00048 struct Point<void> 00049 { 00050 typedef Point_Site<void> super; 00051 }; 00052 00053 00061 template <typename P> 00062 struct Point : public Point_Site<P> 00063 { 00066 typedef P point; 00067 00070 const P& to_point() const; 00071 00072 protected: 00073 Point(); 00074 }; 00075 00076 00088 template <typename P, typename D> 00089 P& operator+=(Point<P>& p, const Dpoint<D>& dp); 00090 00091 00103 template <typename P, typename D> 00104 P& operator-=(Point<P>& p, const Dpoint<D>& dp); 00105 00114 template <typename P, typename D> 00115 P& operator/(Point<P>& p, const value::Scalar<D>& dp); 00116 00117 // FIXME : add operators and traits? 00118 00119 # ifndef MLN_INCLUDE_ONLY 00120 00121 template <typename P> 00122 inline 00123 Point<P>::Point() 00124 { 00125 } 00126 00127 template <typename P> 00128 inline 00129 const P& 00130 Point<P>::to_point() const 00131 { 00132 return exact(*this); 00133 } 00134 00135 template <typename P, typename D> 00136 inline 00137 P& operator+=(Point<P>& p_, const Dpoint<D>& dp_) 00138 { 00139 P& p = exact(p_); 00140 const D& dp = exact(dp_); 00141 // FIXME: Use to_vec()! 00142 for (unsigned i = 0; i < P::dim; ++i) 00143 p[i] += dp[i]; 00144 return p; 00145 } 00146 00147 template <typename P, typename D> 00148 inline 00149 P& operator-=(Point<P>& p_, const Dpoint<D>& dp_) 00150 { 00151 P& p = exact(p_); 00152 const D& dp = exact(dp_); 00153 // FIXME: Use to_vec()! 00154 for (unsigned i = 0; i < P::dim; ++i) 00155 p[i] -= dp[i]; 00156 return p; 00157 } 00158 00159 00160 template <typename P, typename D> 00161 inline 00162 P& 00163 operator/(Point<P>& p_, const value::Scalar<D>& s_) 00164 { 00165 P& p = exact(p_); 00166 const D& s = exact(s_); 00167 for (unsigned i = 0; i < P::dim; ++i) 00168 p[i] /= s; 00169 return p; 00170 } 00171 00172 # endif // ! MLN_INCLUDE_ONLY 00173 00174 } // end of namespace mln 00175 00176 00177 00178 #endif // ! MLN_CORE_CONCEPT_POINT_HH