imaginaryTimestep2ndDerivative Function

public function imaginaryTimestep2ndDerivative(this_func, x, params) result(ret)

Arguments

Type	Intent	Optional	Attributes		Name
procedure(ScalarFunction)				::	this_func
real(kind=real64),	intent(in)			::	x
real(kind=real64),	intent(in)			::	params(:)

Return Value real(kind=real64)