def test_coords_to_spherical_with_sixth_octant(self):
coords = np.array([-1, 3, -5])
expected_theta = 1.8925
expected_phi = 2.5777
epsilon = 4
spherical_coords = coords_to_spherical(coords=coords)
theta = spherical_coords[0]
phi = spherical_coords[1]
self.assertAlmostEqual(expected_theta, theta, epsilon)
self.assertAlmostEqual(expected_phi, phi, epsilon)
def test_coords_to_spherical_with_fourth_octant(self):
coords = np.array([1, -3, 5])
expected_theta = 5.0341
expected_phi = 0.5639
epsilon = 4
spherical_coords = coords_to_spherical(coords=coords)
theta = spherical_coords[0]
phi = spherical_coords[1]
self.assertAlmostEqual(expected_theta, theta, epsilon)
self.assertAlmostEqual(expected_phi, phi, epsilon)