Function lapacke::dstein

pub unsafe fn dstein(
    layout: Layout, 
    n: i32, 
    d: &[f64], 
    e: &[f64], 
    m: i32, 
    w: &[f64], 
    iblock: &[i32], 
    isplit: &[i32], 
    z: &mut [f64], 
    ldz: i32, 
    ifailv: &mut [i32]
) -> i32