#include "stdafx.h"
#include "MathFunctions.h"
#include <boost/numeric/conversion/cast.hpp>

BEGIN_CHCORE_NAMESPACE

namespace Math
{
	double Div64(unsigned long long ullNumber, unsigned long long ullDenominator)
	{
		if(ullDenominator == 0)
			return 0.0;

		const unsigned long long ullMaxInt32 = (unsigned long long)std::numeric_limits<int>::max();
		while(ullNumber > ullMaxInt32 || ullDenominator > ullMaxInt32)
		{
			ullNumber >>= 1;
			ullDenominator >>= 1;
		}

		return boost::numeric_cast<double>(ullNumber) / boost::numeric_cast<double>(ullDenominator);
	}
}

END_CHCORE_NAMESPACE