Method test_nonfloat_argument

test/python/test_CutoffFunction.py:122–124

(self, c1)

        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")

class Test_fdf:
    @pytest.mark.parametrize("cf_type", cutoff_function_types)