public static UInt64 FromFixedPoint32(int mantissa, int numDigits)
{
// TODO: Unsigned comparison could be slightly faster, maybe
return(numDigits + (Int32.MinValue + BiasedExponentMaxValue - BaseExponent) > (Int32.MinValue + BiasedExponentMaxValue)
? NativeImpl.fromFixedPoint32(mantissa, numDigits)
: FromFixedPointFastUnchecked(mantissa, numDigits));
}