zhpgvx(3) on Linux
The text 07d3a788c511, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
compute selected eigenvalues and, optionally, eigenvectors of a complex generalized Hermitian-definite eigenproblem, of the form A*x=(lambda)*B*x, A*Bx=(lambda)*x, or B*A*x=(lambda)*x