Function zgtcon

pub unsafe fn zgtcon(
    norm: u8,
    n: i32,
    dl: &[c64],
    d: &[c64],
    du: &[c64],
    du2: &[c64],
    ipiv: &[i32],
    anorm: f64,
    rcond: &mut f64,
    work: &mut [c64],
    info: &mut i32,
)