sstev(3) on Linux
The text 7edc2ab8ea23, as Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm) shipped it.
compute all eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix A
The text 7edc2ab8ea23, as Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm) shipped it.
compute all eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix A