def test_angle_to_ortho(): a = Wire(1, 0, 0.5) b = Wire(0, 1, 0.5) assert a.angle_to(b) == approx(0.5 * np.pi)
def test_angle_to(): a = Wire(-1, 0, 0.5) b = Wire(1, 0, 0.5) assert a.angle_to(b) == approx(-np.pi) assert b.angle_to(a) == approx(np.pi)