WallclockTimer.h

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// ************************************************************************** //
//
//  BornAgain: simulate and fit scattering at grazing incidence
//
//! @file      Fit/Tools/WallclockTimer.h
//! @brief     Defines WallclockTimer class.
//!
//! @homepage  http://www.bornagainproject.org
//! @license   GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************** //
 
#ifndef BORNAGAIN_FIT_TOOLS_WALLCLOCKTIMER_H
#define BORNAGAIN_FIT_TOOLS_WALLCLOCKTIMER_H
 
#include <memory>
 
struct WallclockTimerState;
 
//! A timer for measuring real (wall-clock) time spent between 'start' and 'stop' commands.
 
class WallclockTimer
{
public:
    WallclockTimer();
    ~WallclockTimer();
 
    void start();
    void stop();
 
    //! returns run time in sec.
    double runTime() const;
 
private:
    std::unique_ptr<WallclockTimerState> m_state;
};
 
#endif // BORNAGAIN_FIT_TOOLS_WALLCLOCKTIMER_H