factorial – PARALLAX

public pure function factorial(n) result(res)

Factorial of integer n; wrapper around intrinsic gamma function. Output is real to increase overflow threshold. For overflow case, result = Infinity; for n < 0, result = NaN.

Arguments

Type	Intent	Optional	Attributes		Name
integer,	intent(in)			::	n	Integer to take the factorial of

factorial Function

Contents

public pure function factorial(n) result(res)

Arguments

Return Value real(kind=fp)