Timer.h

Go to the documentation of this file.

#ifndef _TIMER_H
#define _TIMER_H

#include <ctime>

struct TimerInfo 
{
  double clock_start_value;

  double clock_end_value;

  double duration_sec;
};

inline void timer_start (TimerInfo *timer) 
{

  struct timespec system_time_; 
  clock_gettime(CLOCK_REALTIME, &system_time_);

  timer->clock_start_value = static_cast<double>(system_time_.tv_sec) + static_cast<double>(system_time_.tv_nsec) * 1.e-9;
}

inline double timer_stop (TimerInfo *timer) 
{
  struct timespec system_time_; 
  clock_gettime(CLOCK_REALTIME, &system_time_);

  timer->clock_end_value = static_cast<double>(system_time_.tv_sec) + static_cast<double>(system_time_.tv_nsec) * 1.e-9;

  timer->duration_sec = timer->clock_end_value - timer->clock_start_value;

  return timer->duration_sec;
}

#endif