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.