timer2.hpp

//
// 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