Timer.h

// Copyright (C) 2008 Anders Logg, 2015 Jan Blechta
//
// This file is part of DOLFIN.
//
// DOLFIN is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// DOLFIN 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// First added:  2008-06-13
// Last changed: 2010-11-16

#ifndef __TIMER_H
#define __TIMER_H

#include <string>
#include <tuple>
#include <boost/timer/timer.hpp>

namespace dolfin
{


  class Timer
  {
  public:

    Timer();

    Timer(std::string task);

    ~Timer();

    void start();

    void resume();

    double stop();

    std::tuple<double, double, double> elapsed() const;

  private:

    // Name of task
    std::string _task;

    // Implementation of timer
    boost::timer::cpu_timer _timer;

  };

}

#endif