Method test_correct_result

test/python/test_Vec3D.py:202–205

(self, v1)

class Test_norm2():
    def test_correct_result(self, v1):
        assert v1.norm2() == pytest.approx(v1x * v1x +
                                           v1y * v1y +
                                           v1z * v1z), "Norm incorrect."

class Test_normalize():
    def test_correct_result(self, v1):