Function antic::_fmpz_mod_poly_gcd_hgcd

pub unsafe extern "C" fn _fmpz_mod_poly_gcd_hgcd(
    G: *mut fmpz, 
    A: *const fmpz, 
    lenA: mp_limb_signed_t, 
    B: *const fmpz, 
    lenB: mp_limb_signed_t, 
    mod_: *mut fmpz
) -> mp_limb_signed_t