{	sf::Clock c;	while (1) 	{		float a = 0.0f;		DWORD start = timeGetTime();		c.Reset();		for (int g=0; g<100000; g++)		{			float d = sqrtf(g);			a += d*d*d;		}		float dur =  c.GetElapsedTime();		float dur2 = (float)(timeGetTime()-start)/1000.0f;				if (abs(dur-dur2)>.01) 		{				char mess[256];			sprintf(mess, "detected anomalous time error greater than .01 sec");			MessageBox(NULL, mess, mess, MB_OK);		}	}}

void CGameEngine::Update(){											const float updateRate = 60.0f;	const float tick = 1.0f/updateRate;  //note the new tick measure	static float accumulator = 0.0f;	accumulator += timer.GetTime();	timer.Reset();								// NOTE: you have to sleep off the excess time if your updating too fast for 	// ur desired update rate, otherwise you'll just burn CPU waiting to update a single tick. 	if (accumulator < tick)	{		//NOTE: we add 1 because a sleep value of 0, gives a non-deterministic sleep time, which isn't 		//desirable, time is converted into miliseconds, for Sleep.		float sleepTimeMs = ((tick-accumulator)*1000)+1.0f;		Sleep((int)sleepTimeMs);	}	else	{		//this should occur at a near constant rate of 1 update, occasionally spiking if the interval is 		//longer than a tick.		numUpdates = 0;		while (accumulator >= tick )		{			UpdateSimulation(amount);					accumulator -= amount;			numUpdates++;		}	}	interpolator = accumulator / interpolator;}