zsteqr(3) on Linux
The text 0bb85d362610, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
compute all eigenvalues and, optionally, eigenvectors of a symmetric tridiagonal matrix using the implicit QL or QR method
The text 0bb85d362610, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
compute all eigenvalues and, optionally, eigenvectors of a symmetric tridiagonal matrix using the implicit QL or QR method