Function DoubleToBits

MathExtras.h:333–340

DoubleToBits - This function takes a double and returns the bit equivalent 64-bit integer. Note that copying doubles around changes the bits of NaNs on some hosts, notably x86, so this routine cannot be used if these bits are needed.

/// changes the bits of NaNs on some hosts, notably x86, so this
/// routine cannot be used if these bits are needed.
static inline uint64_t DoubleToBits(double Double) {
	union {
		uint64_t L;
		double D;
	} T;
	T.D = Double;
	return T.L;
}

/// FloatToBits - This function takes a float and returns the bit
/// equivalent 32-bit integer.  Note that copying floats around