Function gsl_sys::cblas_dspmv

pub unsafe extern "C" fn cblas_dspmv(
    order: CBLAS_ORDER, 
    Uplo: CBLAS_UPLO, 
    N: c_int, 
    alpha: f64, 
    Ap: *const f64, 
    X: *const f64, 
    incX: c_int, 
    beta: f64, 
    Y: *mut f64, 
    incY: c_int
)