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_ESTIM_MEAN_HH 00027 # define MLN_ESTIM_MEAN_HH 00028 00032 00033 # include <mln/accu/stat/mean.hh> 00034 # include <mln/data/compute.hh> 00035 00036 00037 namespace mln 00038 { 00039 00040 namespace estim 00041 { 00042 00044 00048 template <typename I> 00049 mln_sum(mln_value(I)) mean(const Image<I>& input); 00050 00051 00053 00060 template <typename S, typename I, typename M> 00061 void mean(const Image<I>& input, M& result); 00062 00063 00064 # ifndef MLN_INCLUDE_ONLY 00065 00066 template <typename I> 00067 inline 00068 mln_sum(mln_value(I)) mean(const Image<I>& input) 00069 { 00070 mln_precondition(exact(input).is_valid()); 00071 return data::compute(accu::meta::stat::mean(), input); 00072 } 00073 00074 template <typename S, typename I, typename M> 00075 inline 00076 void mean(const Image<I>& input, M& result) 00077 { 00078 mln_precondition(exact(input).is_valid()); 00079 accu::stat::mean<mln_value(I), S, M> a; 00080 result = data::compute(a, input); 00081 } 00082 00083 # endif // ! MLN_INCLUDE_ONLY 00084 00085 } // end of namespace mln::estim 00086 00087 } // end of namespace mln 00088 00089 00090 #endif // ! MLN_ESTIM_MEAN_HH