algohelper.hpp

/*
 * algohelper.hpp
 *
 * Created on: 3 Oct 2012
 * Author: Holger Schmitz
 * Email: holger@notjustphysics.com
 *
 * Copyright 2012 Holger Schmitz
 *
 * This file is part of Schnek.
 *
 * Schnek 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.
 *
 * Schnek 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 Schnek.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef SCHNEK_ALGOHELPER_HPP
#define SCHNEK_ALGOHELPER_HPP

namespace schnek {

template<typename T>
class calcsum
{
  private:
    T sum;
  public:
    calcsum() : sum(0) {}
    calcsum(const calcsum &csum) : sum(csum.sum) {}
    
    void operator()(const T& x) { sum += x; }
    T result() { return sum; }
};

} // namespace schnek

#endif // SCHNEK_ALGOHELPER_HPP