Clock.hpp

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#pragma once

#include <chrono>

namespace momentumopt {

  class Clock {
    public:
      Clock(){}
      ~Clock(){}

          void start() { ini_time_ = std::chrono::high_resolution_clock::now(); }
          double stop() {
            end_time_ = std::chrono::high_resolution_clock::now();
            duration_ = std::chrono::duration_cast<std::chrono::microseconds>(end_time_-ini_time_);
            return double(duration_.count())*1e-3;
          }

    private:
      std::chrono::microseconds duration_;
      std::chrono::high_resolution_clock::time_point ini_time_, end_time_;
  };
}