text: /*
    This file is a part of KMC software distributed under GNU GPL 3 licence.
    The homepage of the KMC project is http://sun.aei.polsl.pl/kmc
    
    Authors: Marek Kokot
    
    Version: 3.1.1
    Date   : 2019-05-19
  */
  
  #ifndef _TIMER_H
  #define _TIMER_H
  
  #include <chrono>
  class CTimer
  {
  	using time_p = decltype(std::chrono::high_resolution_clock::now());
  	time_p _start, _end;
  public:
  	void start()
  	{
  		_start = std::chrono::high_resolution_clock::now();
  	}
  	double get_time()
  	{
  		auto time = std::chrono::high_resolution_clock::now() - _start;
  		return static_cast<double>(std::chrono::duration_cast<std::chrono::microseconds>(time).count() / 1000000.0);
  	}
  };
  
  
  
  #endif 
  