log_factorial Interface

public interface log_factorial

ln(!n)

Module Procedures

private pure elemental module function log_factorial_i(n) result(res)

returns ln(n!) for integer n

Arguments

Type	Intent	Optional	Attributes		Name
integer,	intent(in)			::	n

Return Value real(kind=dp)

private pure elemental module function log_factorial_r(n) result(res)

returns ln(n!) for real n

Arguments

Type	Intent	Optional	Attributes		Name
real(kind=dp),	intent(in)			::	n

Return Value real(kind=dp)