public static double JacobiCn(
	double u,
	double k
)Public Shared Function JacobiCn ( 
	u As Double,
	k As Double
) As Doublepublic:
static double JacobiCn(
	double u, 
	double k
)static member JacobiCn : 
        u : float * 
        k : float -> float Be aware that some authors use the parameter m = k^2 instead of the modulus k.
| ArgumentOutOfRangeException | k lies outside [0, 1]. |