text: #include "Utility/Timer.h"
  
  namespace ph
  {
  
  void Timer::start()
  {
  	m_startTime = Clock::now();
  }
  
  void Timer::finish()
  {
  	m_finishTime = Clock::now();
  }
  
  uint64 Timer::getDeltaS() const
  {
  	return getDelta<std::chrono::seconds>();
  }
  
  uint64 Timer::getDeltaMs() const
  {
  	return getDelta<std::chrono::milliseconds>();
  }
  
  uint64 Timer::getDeltaUs() const
  {
  	return getDelta<std::chrono::microseconds>();
  }
  
  uint64 Timer::getDeltaNs() const
  {
  	return getDelta<std::chrono::nanoseconds>();
  }
  
  }// end namespace ph