spttrs(3) on Linux
The text 726c5da57a4e, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
solve a tridiagonal system of the form A * X = B using the L*D*L' factorization of A computed by SPTTRF
The text 726c5da57a4e, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
solve a tridiagonal system of the form A * X = B using the L*D*L' factorization of A computed by SPTTRF