def test_ugates_cirq():
c1 = Circuit(3)
c1.add(gates.RX(0, 0.1))
c1.add(gates.RZ(1, 0.4))
c1.add(gates.U2(2, 0.5, 0.6))
final_state_c1 = c1()
c2 = circuit_from_qasm(c1.to_qasm())
c2depth = len(cirq.Circuit(c2.all_operations()))
assert c1.depth == c2depth
final_state_c2 = cirq.Simulator().simulate(c2).final_state
np.testing.assert_allclose(final_state_c1, final_state_c2, atol=_atol)
c3 = Circuit.from_qasm(c2.to_qasm())
assert c3.depth == c2depth
final_state_c3 = c3()
np.testing.assert_allclose(final_state_c3, final_state_c2, atol=_atol)
c1 = Circuit(3)
c1.add(gates.RX(0, 0.1))
c1.add(gates.RZ(1, 0.4))
c1.add(gates.U2(2, 0.5, 0.6))
c1.add(gates.CU3(2, 1, 0.2, 0.3, 0.4))
# catches unknown gate "cu3"
with pytest.raises(exception.QasmException):
c2 = circuit_from_qasm(c1.to_qasm())
def test_ugates_cirq(backend):
import qibo
original_backend = qibo.get_backend()
qibo.set_backend(backend)
c1 = Circuit(3)
c1.add(gates.RX(0, 0.1))
c1.add(gates.RZ(1, 0.4))
c1.add(gates.U2(2, 0.5, 0.6))
final_state_c1 = c1()
c2 = circuit_from_qasm(c1.to_qasm())
c2depth = len(cirq.Circuit(c2.all_operations()))
assert c1.depth == c2depth
final_state_c2 = cirq.Simulator().simulate(c2).final_state_vector # pylint: disable=no-member
np.testing.assert_allclose(final_state_c1, final_state_c2, atol=_atol)
c3 = Circuit.from_qasm(c2.to_qasm())
assert c3.depth == c2depth
final_state_c3 = c3()
np.testing.assert_allclose(final_state_c3, final_state_c2, atol=_atol)
c1 = Circuit(3)
c1.add(gates.RX(0, 0.1))
c1.add(gates.RZ(1, 0.4))
c1.add(gates.U2(2, 0.5, 0.6))
c1.add(gates.CU3(2, 1, 0.2, 0.3, 0.4))
# catches unknown gate "cu3"
with pytest.raises(exception.QasmException):
c2 = circuit_from_qasm(c1.to_qasm())
qibo.set_backend(original_backend)
def test_controlled_u3(backend):
theta, phi, lam = 0.1, 0.1234, 0.4321
initial_state = random_state(2)
c = Circuit(2)
c.add(gates.U3(1, theta, phi, lam).controlled_by(0))
final_state = c(np.copy(initial_state))
assert c.queue[0].__class__.__name__ == "CU3"
c = Circuit(2)
c.add(gates.CU3(0, 1, theta, phi, lam))
target_state = c(np.copy(initial_state))
K.assert_allclose(final_state, target_state)
# for coverage
gate = gates.U3(0, theta, phi, lam)
assert gate.parameters == (theta, phi, lam)
def test_ugates():
c = Circuit(3)
c.add(gates.RX(0, 0.1))
c.add(gates.RZ(1, 0.4))
c.add(gates.U2(2, 0.5, 0.6))
c.add(gates.CU1(0, 1, 0.7))
c.add(gates.CU3(2, 1, 0.2, 0.3, 0.4))
target = f"""// Generated by QIBO {__version__}
OPENQASM 2.0;
include "qelib1.inc";
qreg q[3];
rx(0.1) q[0];
rz(0.4) q[1];
u2(0.5, 0.6) q[2];
cu1(0.7) q[0],q[1];
cu3(0.2, 0.3, 0.4) q[2],q[1];"""
assert_strings_equal(c.to_qasm(), target)
c = Circuit(2)
c.add(gates.CU2(0, 1, 0.1, 0.2))
with pytest.raises(ValueError):
target = c.to_qasm()
def test_controlled_u3(backend):
"""Check controlled U3 fall backs to CU3."""
original_backend = qibo.get_backend()
qibo.set_backend(backend)
theta = 0.1
phi = 0.1234
lam = 0.4321
initial_state = utils.random_numpy_state(2)
c = Circuit(2)
c.add(gates.U3(1, theta, phi, lam).controlled_by(0))
final_state = c(np.copy(initial_state))
assert c.queue[0].__class__.__name__ == "CU3"
c = Circuit(2)
c.add(gates.CU3(0, 1, theta, phi, lam))
target_state = c(np.copy(initial_state))
np.testing.assert_allclose(final_state, target_state)
# for coverage
gate = gates.U3(0, theta, phi, lam)
assert gate.parameter == (theta, phi, lam)