sspevx(3) on Linux
The text d934926dff72, as Debian 1.3 (Bo) shipped it.
compute selected eigenvalues and, optionally, eigenvectors of a real symmetric matrix A in packed storage
The text d934926dff72, as Debian 1.3 (Bo) shipped it.
compute selected eigenvalues and, optionally, eigenvectors of a real symmetric matrix A in packed storage