Function cblas_sgbmv

pub unsafe extern "C" fn cblas_sgbmv(
    layout: CBLAS_LAYOUT,
    transa: CBLAS_TRANSPOSE,
    m: c_int,
    n: c_int,
    kl: c_int,
    ku: c_int,
    alpha: c_float,
    a: *const c_float,
    lda: c_int,
    x: *const c_float,
    incx: c_int,
    beta: c_float,
    y: *mut c_float,
    incy: c_int,
)