Function gsl_sys::gsl_stats_wskew_m_sd

pub unsafe extern "C" fn gsl_stats_wskew_m_sd(
    w: *const f64, 
    wstride: usize, 
    data: *const f64, 
    stride: usize, 
    n: usize, 
    wmean: f64, 
    wsd: f64
) -> f64