def test_rotated_around(self):
vec = Vec(1, 0, 0)
axis = Vec(0, 0, 1)
res = vec.rotated_around(axis, pi/4)
self.assertEqual(res, Vec(1, 1, 0).normalized())
axis = Vec(1, 1, 1).normalized()
res = vec.rotated_around(axis, pi/4)
# for the sake of this comparison, let's lower the equality threshold
res.set_comparison_accuracy(0.00001)
self.assertEqual(res, Vec(0.804738, 0.505879, -0.310617))
