Function gsl_sys::gsl_linalg_QR_band_unpack_L2

pub unsafe extern "C" fn gsl_linalg_QR_band_unpack_L2(
    p: usize, 
    q: usize, 
    QRB: *const gsl_matrix, 
    tau: *const gsl_vector, 
    Q: *mut gsl_matrix, 
    R: *mut gsl_matrix
) -> c_int