Method test_nonzero_radius

test/python/test_CutoffFunction.py:118–121

(self, c1, cf_type, cf_dvalue)

                             zip(cutoff_function_types,
                                 cutoff_function_dvalues))
    def test_nonzero_radius(self, c1, cf_type, cf_dvalue):
        c1.setCutoffType(cf_type)
        assert c1.df(test_radius) == pytest.approx(cf_dvalue), (
               "Wrong cutoff derivative value.")
    def test_nonfloat_argument(self, c1):
        with pytest.raises(TypeError):
            c1.df("a")