def test_from_rotation_other_type(self):
r = RotationD()
r_cpy = RotationF(r)
numpy.testing.assert_array_almost_equal(r.quaternion(), r_cpy.quaternion(), 6)
r = RotationD([1, 2, 3, 4])
r_cpy = RotationF(r)
numpy.testing.assert_array_almost_equal(r.quaternion(), r_cpy.quaternion(), 6)
r = RotationF()
r_cpy = RotationD(r)
numpy.testing.assert_array_almost_equal(r.quaternion(), r_cpy.quaternion(), 6)
r = RotationF([1, 2, 3, 4])
r_cpy = RotationD(r)
numpy.testing.assert_array_almost_equal(r.quaternion(), r_cpy.quaternion(), 6)
def test_from_quaternion(self):
q = array_normalize([+2, -1, -3, +0], float)
r = RotationD(q)
numpy.testing.assert_equal(r.quaternion(), q)
def test_to_quaternion(self):
rot_d = RotationD()
numpy.testing.assert_array_equal(rot_d.quaternion(), [0, 0, 0, 1])
rot_f = RotationF()
numpy.testing.assert_array_equal(rot_f.quaternion(), [0, 0, 0, 1])
