dlaed6(3) on Linux
The text 7d53ed868db8, as Debian 3.0 (Woody) shipped it.
compute the positive or negative root (closest to the origin) of z(1) z(2) z(3) f(x) = rho + --------- + ---------- + --------- d(1)-x d(2)-x d(3)-x It is assumed that if ORGATI = .true