Function cgtcon

pub unsafe fn cgtcon(
    norm: u8,
    n: i32,
    dl: &[c32],
    d: &[c32],
    du: &[c32],
    du2: &[c32],
    ipiv: &[i32],
    anorm: f32,
    rcond: &mut f32,
    work: &mut [c32],
    info: &mut i32,
)