timer2.hpp

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//
// Copyright (c) 2021 LAAS-CNRS
//
 
#ifndef __pinocchio_utils_timer2_hpp__
#define __pinocchio_utils_timer2_hpp__
 
#include <ctime>
 
namespace pinocchio
{
 
  class Timer
  {
  public:
    Timer()
    {
      clock_gettime(CLOCK_MONOTONIC, &start_);
    }
 
    inline void reset()
    {
      clock_gettime(CLOCK_MONOTONIC, &start_);
    }
 
    inline double get_duration()
    {
      clock_gettime(CLOCK_MONOTONIC, &finish_);
      duration_ = static_cast<double>(finish_.tv_sec - start_.tv_sec) * 1000000;
      duration_ += static_cast<double>(finish_.tv_nsec - start_.tv_nsec) / 1000;
      return duration_ / 1000.;
    }
 
    inline double get_us_duration()
    {
      clock_gettime(CLOCK_MONOTONIC, &finish_);
      duration_ = static_cast<double>(finish_.tv_sec - start_.tv_sec) * 1000000;
      duration_ += static_cast<double>(finish_.tv_nsec - start_.tv_nsec) / 1000;
      return duration_;
    }
 
  private:
    struct timespec start_;
    struct timespec finish_;
    double duration_;
  };
} // namespace pinocchio
 
#endif