Function lapacke::dgtsv_work

pub unsafe fn dgtsv_work(
    layout: Layout, 
    n: i32, 
    nrhs: i32, 
    dl: &mut [f64], 
    d: &mut [f64], 
    du: &mut [f64], 
    b: &mut [f64], 
    ldb: i32
) -> i32