Averager1.h

#ifndef _theplu_yat_statistics_averager1
#define _theplu_yat_statistics_averager1

// $Id: Averager1.h 2810 2012-08-07 08:43:11Z peter $

/*
  Copyright (C) 2012 Peter Johansson

  This file is part of the yat library, http://dev.thep.lu.se/yat

  The yat 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 3 of the
  License, or (at your option) any later version.

  The yat 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 yat. If not, see <http://www.gnu.org/licenses/>.
*/

#include "averager_base.h"

namespace theplu {
namespace yat {
namespace statistics {

  class Averager1 : public averager_base<Averager1>
  {
  public:
    Averager1(void);

    template<class Derived>
    const Averager1& operator+=(const averager_base<Derived>& rhs);
  private:
    friend class averager_base<Averager1>;
    // static virtual function in averager_base
    void add_impl(double, long int n);
    void rescale_impl(double);

    // using compiler generated copy and assignment
    // Averager1(const Averager1&)
    // Averager1& operator=(const Averager1& rhs);
  };


  template<class Derived>
  const Averager1& Averager1::operator+=(const averager_base<Derived>& rhs)
  {
    this->add1(rhs.mean(), rhs.n());
    return *this;
  }

}}} // of namespace statistics, yat, and theplu
#endif