def test_aqt_sampler_wrong_gate():
repetitions = 100
num_qubits = 4
device, qubits = get_aqt_device(num_qubits)
sampler = AQTRemoteSimulator()
circuit = Circuit(device=device)
circuit.append(Y(qubits[0])**0.5)
circuit.append(Z(qubits[0])**0.5)
with pytest.raises(ValueError):
_results = sampler.run(circuit, repetitions=repetitions)
def test_aqt_sampler_ms():
repetitions = 1000
num_qubits = 4
device, qubits = get_aqt_device(num_qubits)
sampler = AQTRemoteSimulator()
circuit = Circuit(device=device)
for _dummy in range(9):
circuit.append(XX(qubits[0], qubits[1])**0.5)
results = sampler.run(circuit, repetitions=repetitions)
hist = (results.histogram(key='m'))
print(hist)
assert hist[12] > repetitions / 3
assert hist[0] > repetitions / 3
def test_aqt_sampler_sim_xtalk():
num_points = 10
max_angle = np.pi
repetitions = 100
num_qubits = 4
device, qubits = get_aqt_device(num_qubits)
sampler = AQTRemoteSimulator()
sampler.simulate_ideal = False
circuit = Circuit(X(qubits[0]), X(qubits[3]), X(qubits[2]), device=device)
sweep = study.Linspace(key='theta',
start=0.1,
stop=max_angle / np.pi,
length=num_points)
_results = sampler.run_sweep(circuit, params=sweep, repetitions=repetitions)
def test_aqt_sampler_sim():
theta = sympy.Symbol('theta')
num_points = 10
max_angle = np.pi
repetitions = 1000
num_qubits = 4
device, qubits = get_aqt_device(num_qubits)
sampler = AQTRemoteSimulator()
sampler.simulate_ideal = True
circuit = Circuit.from_ops(X(qubits[3])**theta, device=device)
sweep = study.Linspace(key='theta',
start=0.1,
stop=max_angle / np.pi,
length=num_points)
results = sampler.run_sweep(circuit, params=sweep, repetitions=repetitions)
excited_state_probs = np.zeros(num_points)
for i in range(num_points):
excited_state_probs[i] = np.mean(results[i].measurements['m'])
assert excited_state_probs[-1] == 0.25