| // -*- C++ -*- |
| |
| // Copyright (C) 2005, 2006 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the terms |
| // of the GNU General Public License as published by the Free Software |
| // Foundation; either version 2, or (at your option) any later |
| // version. |
| |
| // This library is distributed in the hope that it will be useful, but |
| // WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| // General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License |
| // along with this library; see the file COPYING. If not, write to |
| // the Free Software Foundation, 59 Temple Place - Suite 330, Boston, |
| // MA 02111-1307, USA. |
| |
| // As a special exception, you may use this file as part of a free |
| // software library without restriction. Specifically, if other files |
| // instantiate templates or use macros or inline functions from this |
| // file, or you compile this file and link it with other files to |
| // produce an executable, this file does not by itself cause the |
| // resulting executable to be covered by the GNU General Public |
| // License. This exception does not however invalidate any other |
| // reasons why the executable file might be covered by the GNU General |
| // Public License. |
| |
| // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. |
| |
| // Permission to use, copy, modify, sell, and distribute this software |
| // is hereby granted without fee, provided that the above copyright |
| // notice appears in all copies, and that both that copyright notice |
| // and this permission notice appear in supporting documentation. None |
| // of the above authors, nor IBM Haifa Research Laboratories, make any |
| // representation about the suitability of this software for any |
| // purpose. It is provided "as is" without express or implied |
| // warranty. |
| |
| /** |
| * @file sample_mean.hpp |
| * Contains a function for calculating a sample mean |
| */ |
| |
| #ifndef PB_DS_SAMPLE_MEAN_HPP |
| #define PB_DS_SAMPLE_MEAN_HPP |
| |
| #include <list> |
| #include <numeric> |
| #include <math.h> |
| #include <iterator> |
| |
| namespace pb_ds |
| { |
| namespace test |
| { |
| namespace detail |
| { |
| #define PB_DS_VTYPE typename std::iterator_traits<It>::value_type |
| |
| template<typename It> |
| PB_DS_VTYPE |
| sample_mean(It b, It e) |
| { |
| const PB_DS_VTYPE total = std::accumulate(b, e, PB_DS_VTYPE(0)); |
| const size_t num = std::distance(b, e); |
| return total / num; |
| } |
| |
| #undef PB_DS_VTYPE |
| |
| } // namespace detail |
| } // namespace test |
| } // namespace pb_ds |
| |
| #endif |
| |
