Function Sqrt

TSDualNum.h:269–273

	}

	DualNum Sqrt(const DualNum& d)
	{
		float a = InverseSqrt(d.s);
		return (DualNum(d.s * a, d.t * (a * 0.5F)));
	}

	DualNum InverseSqrt(const DualNum& d)
	{