def METHOD_NAME():
    def _denier_fn(dt1, dt2):
        return False
    for fp64 in [
        True,
        False,
    ]:
        for fp16 in [True, False]:
            dev = MockDevice(fp16, fp64)
            arg1_dt = dpt.float64
            arg2_dt = dpt.complex64
            r = tu._find_buf_dtype2(
                arg1_dt, arg2_dt, _denier_fn, dev, tu._acceptance_fn_default
            )
            assert r == (
                None,
                None,
                None,
            )