dgeqrf(3) on Linux
The text 98d613e7ae2a, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
compute a QR factorization of a real M-by-N matrix A
The text 98d613e7ae2a, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
compute a QR factorization of a real M-by-N matrix A