cherk(3) on Linux
The text 621d9a71d69a, as Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it.
perform one of the hermitian rank k operations C := alpha*A*conjg( A' ) + beta*C,
The text 621d9a71d69a, as Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it.
perform one of the hermitian rank k operations C := alpha*A*conjg( A' ) + beta*C,