Lidgren.Network.NetBigInteger.QuickPow2Check C# (CSharp) Method

        private bool QuickPow2Check()
        {
            return m_sign > 0 && m_numBits == 1;
        }

		public NetBigInteger[] DivideAndRemainder(
			NetBigInteger val)
		{
			if (val.m_sign == 0)
				throw new ArithmeticException("Division by zero error");

			NetBigInteger[] biggies = new NetBigInteger[2];

			if (m_sign == 0)
			{
				biggies[0] = Zero;
				biggies[1] = Zero;
			}
			else if (val.QuickPow2Check()) // val is power of two
			{
				int e = val.Abs().BitLength - 1;
				NetBigInteger quotient = Abs().ShiftRight(e);
				int[] remainder = LastNBits(e);

				biggies[0] = val.m_sign == m_sign ? quotient : quotient.Negate();
				biggies[1] = new NetBigInteger(m_sign, remainder, true);
			}
			else
			{
				int[] remainder = (int[])m_magnitude.Clone();
				int[] quotient = Divide(remainder, val.m_magnitude);

				biggies[0] = new NetBigInteger(m_sign * val.m_sign, quotient, true);
				biggies[1] = new NetBigInteger(m_sign, remainder, true);
			}

			return biggies;
		}