Function klu_scale 

pub unsafe extern "C" fn klu_scale(
    scale: c_int,
    n: i32,
    Ap: *mut i32,
    Ai: *mut i32,
    Ax: *mut f64,
    Rs: *mut f64,
    W: *mut i32,
    Common: *mut klu_common,
) -> c_int