Function libR_sys::dspmv_

pub unsafe extern "C" fn dspmv_(
    uplo: *const c_char,
    n: *const c_int,
    alpha: *const f64,
    ap: *const f64,
    x: *const f64,
    incx: *const c_int,
    Rf_beta: *const f64,
    y: *mut f64,
    incy: *const c_int
)