Function _nfixed_complex_mat_mul_bound 

pub unsafe extern "C" fn _nfixed_complex_mat_mul_bound(
    bound: *mut f64,
    error: *mut f64,
    m: slong,
    n: slong,
    p: slong,
    A: f64,
    B: f64,
    C: f64,
    D: f64,
    nlimbs: slong,
)