BraintreeEncryption.Library.BouncyCastle.Math.BigInteger.Pow C# (CSharp) Method

		public BigInteger Pow(int exp)
		{
			if (exp < 0)
			{
				throw new ArithmeticException("Negative exponent");
			}

			if (exp == 0)
			{
				return One;
			}

			if (sign == 0 || Equals(One))
			{
				return this;
			}

			BigInteger y = One;
			BigInteger z = this;

			for (;;)
			{
				if ((exp & 0x1) == 1)
				{
					y = y.Multiply(z);
				}
				exp >>= 1;
				if (exp == 0) break;
				z = z.Multiply(z);
			}

			return y;
		}