stpsv(3) on Linux
The text 7d398d5b24ea, as Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
solve one of the systems of equations A*x = b, or A'*x = b,
The text 7d398d5b24ea, as Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
solve one of the systems of equations A*x = b, or A'*x = b,