def METHOD_NAME(f, g, tlist, rtol=1e-12, atol=1e-12):
    """ Assert that to functions of t are equal at a list of specified times.
    """
    assert len(tlist) > 0
    np.testing.assert_allclose(
        [f(t) for t in tlist],
        [g(t) for t in tlist],
        rtol=rtol, atol=atol,
    )