Python quaternion_from_axis_rotation Examples

Example #1

 def test_two_euler_angle_0987654321(self):
     """Quaternion should return a correct sequence of zyz representation
        in the case of rotations when there are only two non-zero Euler angle.
        angle = 0.987654321 """
     rand_rot_angle = 0.987654321
     some_quat = (quaternion_from_axis_rotation(rand_rot_angle, "z")
                  * quaternion_from_axis_rotation(np.pi, "y"))
     assert_allclose(some_quat.to_zyz(), np.array([rand_rot_angle, np.pi, 0]))

Example #2

File: test_quaternions.py Project: 1ucian0/qiskit-terra-fuzz

 def test_one_euler_angle(self):
     """Quaternion should return a correct sequence of zyz representation
        in the case of rotations when there is only one non-zero Euler angle."""
     rand_rot_angle = 0.123456789
     some_quat = quaternion_from_axis_rotation(rand_rot_angle, "z")
     self.assertTrue(
         np.allclose(some_quat.to_zyz(), np.array([rand_rot_angle, 0, 0])))