Function rgsl::jacobian_elliptic::elljac_e

pub fn elljac_e(u: f64, m: f64) -> Result<(f64, f64, f64), Value>

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

Returns (sn, cn, dn).