// BesselJ returns Jn(x) func BesselJ(n int, x float64) float64 { var y C.double switch n { case 0: y = C.gsl_sf_bessel_J0(C.double(x)) case 1: y = C.gsl_sf_bessel_J1(C.double(x)) default: y = C.gsl_sf_bessel_Jn(C.int(n), C.double(x)) } return float64(y) }
func BesselJn(order int, x float64) (result float64) { result = (float64)(C.gsl_sf_bessel_Jn((C.int)(order), (C.double)(x))) return }
func Jn(n int32, x float64) float64 { return float64(C.gsl_sf_bessel_Jn(C.int(n), C.double(x))) }