pub unsafe extern "C" fn cblas_dgbmv( order: Order, trans: Transpose, m: u32, n: u32, kl: u32, ku: u32, alpha: c_double, a: *const c_double, lda: u32, x: *const c_double, inc_x: u32, beta: c_double, y: *mut c_double, inc_y: u32)