Function antic::fmpz_factor_ecm

pub unsafe extern "C" fn fmpz_factor_ecm(
    f: *mut fmpz, 
    curves: mp_limb_t, 
    B1: mp_limb_t, 
    B2: mp_limb_t, 
    state: *mut flint_rand_s, 
    n_in: *mut fmpz
) -> c_int