BigInteger.Factorial2 Method

Gets the double factorial of a number.

Definition

Namespace: Numerics.NET
Assembly: Numerics.NET (in Numerics.NET.dll) Version: 9.0.3
C#
public static BigInteger Factorial2(
	int value
)

Parameters

value  Int32
An integer.

Return Value

BigInteger
The product of all numbers from value down to 1, skipping every other number.

Exceptions

ArgumentOutOfRangeExceptionvalue is less than zero.

See Also