def METHOD_NAME(self, maxrelerr, res1, res2):
    w1, v1, n1 = res1
    w2, v2, n2 = res2
    FeatureTest.compare_arrays(self, maxrelerr, w1, w2)
    FeatureTest.compare_arrays(self, maxrelerr, v1, v2)
    FeatureTest.compare_arrays(
        self, maxrelerr, array([n1], dtype=float), array([n2], dtype=float)
    )