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C# BigInteger.Abs方法代码示例

本文整理汇总了C#中Org.BouncyCastle.Math.BigInteger.Abs方法的典型用法代码示例。如果您正苦于以下问题:C# BigInteger.Abs方法的具体用法?C# BigInteger.Abs怎么用?C# BigInteger.Abs使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Org.BouncyCastle.Math.BigInteger的用法示例。


在下文中一共展示了BigInteger.Abs方法的6个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: Remainder

		public BigInteger Remainder(
			BigInteger n)
		{
			if (n.sign == 0)
				throw new ArithmeticException("Division by zero error");

			if (this.sign == 0)
				return Zero;

			// For small values, use fast remainder method
			if (n.magnitude.Length == 1)
			{
				int val = n.magnitude[0];

				if (val > 0)
				{
					if (val == 1)
						return Zero;

					// TODO Make this func work on uint, and handle val == 1?
					int rem = Remainder(val);

					return rem == 0
						?	Zero
						:	new BigInteger(sign, new int[]{ rem }, false);
				}
			}

			if (CompareNoLeadingZeroes(0, magnitude, 0, n.magnitude) < 0)
				return this;

			int[] result;
			if (n.QuickPow2Check())  // n is power of two
			{
				// TODO Move before small values branch above?
				result = LastNBits(n.Abs().BitLength - 1);
			}
			else
			{
				result = (int[]) this.magnitude.Clone();
				result = Remainder(result, n.magnitude);
			}

			return new BigInteger(sign, result, true);
		}
开发者ID:VimalKumarS,项目名称:mono-tls,代码行数:45,代码来源:BigInteger.cs

示例2: Multiply

		public BigInteger Multiply(
			BigInteger val)
		{
			if (sign == 0 || val.sign == 0)
				return Zero;

			if (val.QuickPow2Check()) // val is power of two
			{
				BigInteger result = this.ShiftLeft(val.Abs().BitLength - 1);
				return val.sign > 0 ? result : result.Negate();
			}

			if (this.QuickPow2Check()) // this is power of two
			{
				BigInteger result = val.ShiftLeft(this.Abs().BitLength - 1);
				return this.sign > 0 ? result : result.Negate();
			}

			int resLength = (this.BitLength + val.BitLength) / BitsPerInt + 1;
			int[] res = new int[resLength];

			if (val == this)
			{
				Square(res, this.magnitude);
			}
			else
			{
				Multiply(res, this.magnitude, val.magnitude);
			}

			return new BigInteger(sign * val.sign, res, true);
		}
开发者ID:VimalKumarS,项目名称:mono-tls,代码行数:32,代码来源:BigInteger.cs

示例3: Gcd

		public BigInteger Gcd(
			BigInteger value)
		{
			if (value.sign == 0)
				return Abs();

			if (sign == 0)
				return value.Abs();

			BigInteger r;
			BigInteger u = this;
			BigInteger v = value;

			while (v.sign != 0)
			{
				r = u.Mod(v);
				u = v;
				v = r;
			}

			return u;
		}
开发者ID:VimalKumarS,项目名称:mono-tls,代码行数:22,代码来源:BigInteger.cs

示例4: DivideAndRemainder

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

			BigInteger[] biggies = new BigInteger[2];

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

				biggies[0] = val.sign == this.sign ? quotient : quotient.Negate();
				biggies[1] = new BigInteger(this.sign, remainder, true);
			}
			else
			{
				int[] remainder = (int[]) this.magnitude.Clone();
				int[] quotient = Divide(remainder, val.magnitude);

				biggies[0] = new BigInteger(this.sign * val.sign, quotient, true);
				biggies[1] = new BigInteger(this.sign, remainder, true);
			}

			return biggies;
		}
开发者ID:VimalKumarS,项目名称:mono-tls,代码行数:33,代码来源:BigInteger.cs

示例5: Divide

		public BigInteger Divide(
			BigInteger val)
		{
			if (val.sign == 0)
				throw new ArithmeticException("Division by zero error");

			if (sign == 0)
				return Zero;

			if (val.QuickPow2Check()) // val is power of two
			{
				BigInteger result = this.Abs().ShiftRight(val.Abs().BitLength - 1);
				return val.sign == this.sign ? result : result.Negate();
			}

			int[] mag = (int[]) this.magnitude.Clone();

			return new BigInteger(this.sign * val.sign, Divide(mag, val.magnitude), true);
		}
开发者ID:VimalKumarS,项目名称:mono-tls,代码行数:19,代码来源:BigInteger.cs

示例6: Multiply

        public BigInteger Multiply(
			BigInteger val)
		{
            if (val == this)
                return Square();

            if ((sign & val.sign) == 0)
				return Zero;

            if (val.QuickPow2Check()) // val is power of two
			{
				BigInteger result = this.ShiftLeft(val.Abs().BitLength - 1);
				return val.sign > 0 ? result : result.Negate();
			}

			if (this.QuickPow2Check()) // this is power of two
			{
				BigInteger result = val.ShiftLeft(this.Abs().BitLength - 1);
				return this.sign > 0 ? result : result.Negate();
			}

            int resLength = magnitude.Length + val.magnitude.Length;
            int[] res = new int[resLength];

            Multiply(res, this.magnitude, val.magnitude);

            int resSign = sign ^ val.sign ^ 1;
            return new BigInteger(resSign, res, true);
		}
开发者ID:haf,项目名称:bc-csharp,代码行数:29,代码来源:BigInteger.cs


注:本文中的Org.BouncyCastle.Math.BigInteger.Abs方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。