/******************************************************************************
 *
 * AMDiS - Adaptive multidimensional simulations
 *
 * Copyright (C) 2013 Dresden University of Technology. All Rights Reserved.
 * Web: https://fusionforge.zih.tu-dresden.de/projects/amdis
 *
 * Authors:
 * Simon Vey, Thomas Witkowski, Andreas Naumann, Simon Praetorius, et al.
 *
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *
 * This file is part of AMDiS
 *
 * See also license.opensource.txt in the distribution.
 *
 ******************************************************************************/
#ifndef AMDIS_TIMER_H
#define AMDIS_TIMER_H

#include "boost/date_time/posix_time/posix_time.hpp"

namespace AMDiS {

  /// Helper class to distinguish between different time measurement methods
  class Timer
  {
  private:
    /// begin value for sequentiell measurement
    boost::posix_time::ptime first_seq;

    /// begin value for parallel measurement
    double first_mpi;

  public:
    /// initializes the timer with current time
    Timer();

    /// resets the timer to current time
    void reset();

    /// returns the elapsed time (from construction or last reset) to now in seconds
    double elapsed() const;
  };
}

#endif // AMDIS_TIMER_H