#ifndef __PERFORMANCE_COUNTER_H__
#define __PERFORMANCE_COUNTER_H__

#include <windows.h>

class HPTimer
{

private:
	LARGE_INTEGER tFreq, tStart, tEnd;
	
public:
	HPTimer(void)
	{
		QueryPerformanceFrequency(&tFreq);
		return;
	}

	void start(void)
	{
		QueryPerformanceCounter(&tStart);
	}

	void stop(void)
	{
		QueryPerformanceCounter(&tEnd);
	}

	long TimeInTicks(void)
	{
		return((long)(tEnd.QuadPart - tStart.QuadPart));
	}

	double TimeInSeconds(void)
	{
		return ((double)(tEnd.QuadPart - tStart.QuadPart)/(tFreq.QuadPart));
	}
};

#endif