def test_inverse_non_unit(self):
q = [1, 2, 3, 4]
result = quaternion.inverse(q)
expected = quaternion.conjugate(q) / quaternion.length(q)
np.testing.assert_almost_equal(result, expected, decimal=5)
def test_length(self):
result = quaternion.length([1., 1., 1., 1.])
np.testing.assert_almost_equal(result, 2., decimal=5)
def test_length_batch(self):
result = quaternion.length([
[0., 0., 0., 1.],
[1., 1., 1., 1.],
])
np.testing.assert_almost_equal(result, [1., 2.], decimal=5)
def test_inverse_non_unit(self):
q = [1, 2, 3, 4]
result = quaternion.inverse(q)
expected = quaternion.conjugate(q) / quaternion.length(q)
np.testing.assert_almost_equal(result, expected, decimal=5)
def test_length_identity(self):
result = quaternion.length([0., 0., 0., 1.])
np.testing.assert_almost_equal(result, 1., decimal=5)
def test_length_batch(self):
result = quaternion.length([
[0., 0., 0., 1.],
[1., 1., 1., 1.],
])
np.testing.assert_almost_equal(result, [1., 2.], decimal=5)
def test_length(self):
result = quaternion.length([1., 1., 1., 1.])
np.testing.assert_almost_equal(result, 2., decimal=5)
def test_length_identity(self):
result = quaternion.length([0., 0., 0., 1.])
np.testing.assert_almost_equal(result, 1., decimal=5)
def test_length(self):
q = Quaternion.from_x_rotation(np.pi / 2.0)
self.assertTrue(np.allclose(q.length, quaternion.length(q)))
def test_length(self):
q = Quaternion.from_x_rotation(np.pi / 2.0)
self.assertTrue(np.allclose(q.length, quaternion.length(q)))
