Function rgsl::jacobian_elliptic::elljac_e

pub fn elljac_e(u: f64, m: f64, sn: &mut f64, cn: &mut f64, dn: &mut f64) -> Value

This function computes the Jacobian elliptic functions sn(u|m), cn(u|m), dn(u|m) by descending Landen transformations.