Milena (Olena)
User documentation 2.0a Id
|
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_FUN_V2W_W2V_NORM_HH 00027 # define MLN_FUN_V2W_W2V_NORM_HH 00028 00034 00035 # include <mln/core/concept/function.hh> 00036 # include <mln/trait/value_.hh> 00037 00038 # include <mln/norm/all.hh> 00039 00040 00041 namespace mln 00042 { 00043 00044 namespace fun 00045 { 00046 00047 namespace v2w_w2v 00048 { 00049 00055 template <typename V, typename R> 00056 struct l1_norm : public Function_v2v< l1_norm<V, R> > 00057 { 00058 typedef R result; 00059 R operator()(const V& v) const; 00060 V f_1(const V& v, const R& r) const; 00061 }; 00062 00068 template <typename V, typename R> 00069 struct l2_norm : public Function_v2v< l2_norm<V, R> > 00070 { 00071 typedef R result; 00072 R operator()(const V& v) const; 00073 V f_1(const V& v, const R& r) const; 00074 }; 00075 00081 template <typename V, typename R> 00082 struct linfty_norm : public Function_v2v< linfty_norm<V, R> > 00083 { 00084 typedef R result; 00085 R operator()(const V& v) const; 00086 V f_1(const V& v, const R& r) const; 00087 }; 00088 00089 00090 # ifndef MLN_INCLUDE_ONLY 00091 00092 template <typename V, typename R> 00093 inline 00094 R 00095 l1_norm<V, R>::operator()(const V& v) const 00096 { 00097 return mln::norm::l1 (v); 00098 } 00099 00100 template <typename V, typename R> 00101 inline 00102 V 00103 l1_norm<V, R>::f_1(const V& v, const R& r) const 00104 { 00105 return v / mln::norm::l1 (v) * r; 00106 } 00107 00108 template <typename V, typename R> 00109 inline 00110 R 00111 l2_norm<V, R>::operator()(const V& v) const 00112 { 00113 return mln::norm::l2 (v); 00114 } 00115 00116 template <typename V, typename R> 00117 inline 00118 V 00119 l2_norm<V, R>::f_1(const V& v, const R& r) const 00120 { 00121 return v / mln::norm::l2 (v) * r; 00122 } 00123 00124 template <typename V, typename R> 00125 inline 00126 R 00127 linfty_norm<V, R>::operator()(const V& v) const 00128 { 00129 return mln::norm::linfty (v); 00130 } 00131 00132 template <typename V, typename R> 00133 inline 00134 V 00135 linfty_norm<V, R>::f_1(const V& v, const R& r) const 00136 { 00137 return v / mln::norm::linfty (v) * r; 00138 } 00139 00140 # endif // ! MLN_INCLUDE_ONLY 00141 00142 } // end of namespace mln::fun::v2w_w2v 00143 00144 } // end of namespace mln::fun 00145 00146 } // end of namespace mln 00147 00148 00149 #endif // ! MLN_FUN_V2W_W2V_NORM_HH