func Abstract Interface

abstract interface
public function func(x, k)

Arguments

Type	Intent	Optional	Attributes		Name
real(kind=psb_dpk_),	intent(in)			::	x	Value to be computed
integer(kind=psb_ipk_),	intent(in),	optional		::	k	Computes kth derivative $f^{(k)}(x)$

Return Value real(kind=psb_dpk_)