def test_rv_r_equiv(self):
"""Test R(v) gate is equivalent to R gate."""
theta = np.pi / 5
phi = np.pi / 3
rgate = RGate(theta, phi)
axis = np.array([np.cos(phi), np.sin(phi), 0]) # RGate axis
rotvec = theta * axis
rv = RVGate(*rotvec)
rg_matrix = rgate.to_matrix()
rv_matrix = rv.to_matrix()
np.testing.assert_array_max_ulp(rg_matrix.real, rv_matrix.real, 4)
np.testing.assert_array_max_ulp(rg_matrix.imag, rv_matrix.imag, 4)
def test_rv_zero(self):
"""Test R(v) gate with zero vector returns identity
"""
rv = RVGate(0, 0, 0)
self.assertTrue(
np.array_equal(rv.to_matrix(), np.array([[1, 0], [0, 1]])))
