Org.BouncyCastle.Math.BigInteger.ShiftRightOneInPlace C# (CSharp) Method

		private static void ShiftRightOneInPlace(
			int		start,
			int[]	mag)
		{
			int i = mag.Length;
			int m = mag[i - 1];

			while (--i > start)
			{
				int next = mag[i - 1];
				mag[i] = ((int)((uint)m >> 1)) | (next << 31);
				m = next;
			}

			mag[start] = (int)((uint)mag[start] >> 1);
		}