def METHOD_NAME():
    """Assert basic functionality of estimate_logg."""
    logg = estimate_logg(cnumax, cteff)
    # Check units
    assert logg.unit == u.dex
    # Check returns right answer
    assert np.isclose(logg.value, clogg.n, rtol=clogg.s)
    # Check units on parameters
    logg = estimate_logg(u.Quantity(cnumax, u.microhertz), cteff)
    assert np.isclose(logg.value, clogg.n, rtol=clogg.s)
    logg = estimate_logg(cnumax, u.Quantity(cteff, u.Kelvin))
    assert np.isclose(logg.value, clogg.n, rtol=clogg.s)
    # Check works with a random selection of appropriate units
    logg = estimate_logg(u.Quantity(cnumax, u.microhertz).to(1 / u.day), cteff)
    assert np.isclose(logg.value, clogg.n, rtol=clogg.s)