Function rgsl::cblas::level2::dspmv

pub fn dspmv(
    order: CblasOrder, 
    uplo: CblasUplo, 
    N: i32, 
    alpha: f64, 
    Ap: &[f64], 
    x: &[f64], 
    incx: i32, 
    beta: f64, 
    y: &mut [f64], 
    incy: i32
)