Timer.h

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//
//
/*
    Copyright (C) 2000 PARAPET partners
    Copyright (C) 2000- 2009, Hammersmith Imanet Ltd
    Copyright (C) 2023, University College London
    This file is part of STIR.
 
    SPDX-License-Identifier: Apache-2.0 AND License-ref-PARAPET-license
 
    See STIR/LICENSE.txt for details
*/
 
#ifndef __stir_TIMER_H__
#define __stir_TIMER_H__
 
#include "stir/common.h"
 
START_NAMESPACE_STIR

class Timer
{
public:
  inline Timer();
  inline virtual ~Timer();

  inline void start(bool do_reset = false);
  inline void stop();

  inline void reset();
  inline double value() const;
 
protected:
  bool running;
  double previous_value;
  double previous_total_value;
 
  virtual double get_current_value() const = 0;
};
 
END_NAMESPACE_STIR
 
#include "stir/Timer.inl"
 
#endif // __TIMER_H__