def test_kraus_error(self):
"""Test Kraus error when input is list instead of numpy array"""
A0 = [[1, 0], [0, np.sqrt(1 - 0.3)]]
A1 = [[0, 0], [0, np.sqrt(0.3)]]
kraus_mats = [A0, A1]
actual = kraus_error(kraus_mats)
expected_circ = QuantumCircuit(1)
expected_circ.append(qi.Kraus(kraus_mats), [0])
circ, p = actual.error_term(0)
self.assertEqual(circ, expected_circ)
self.assertEqual(p, 1)
def test_kraus_error(self):
"""Test Kraus error when input is list instead of numpy array"""
A0 = [[1, 0], [0, np.sqrt(1 - 0.3)]]
A1 = [[0, 0], [0, np.sqrt(0.3)]]
targets = [A0, A1]
error = kraus_error(targets)
circ, p = error.error_term(0)
self.assertEqual(p, 1)
kraus = circ[0]
self.assertEqual(kraus['name'], 'kraus')
self.assertEqual(kraus['qubits'], [0])
for op in kraus['params']:
self.remove_if_found(op, targets)
self.assertEqual(targets, [], msg="Incorrect kraus QuantumError")
def test_noise_models_equal(self):
"""Test two noise models are Equal"""
roerror = [[0.9, 0.1], [0.5, 0.5]]
error1 = kraus_error([np.diag([1, 0]), np.diag([0, 1])])
error2 = pauli_error([("I", 0.5), ("Z", 0.5)])
model1 = NoiseModel()
model1.add_all_qubit_quantum_error(error1, ['u3'], False)
model1.add_quantum_error(error1, ['u3'], [2], False)
with self.assertWarns(DeprecationWarning):
model1.add_nonlocal_quantum_error(error1, ['cx'], [0, 1], [3], False)
model1.add_all_qubit_readout_error(roerror, False)
model1.add_readout_error(roerror, [0], False)
model2 = NoiseModel()
model2.add_all_qubit_quantum_error(error2, ['u3'], False)
model2.add_quantum_error(error2, ['u3'], [2], False)
with self.assertWarns(DeprecationWarning):
model2.add_nonlocal_quantum_error(error2, ['cx'], [0, 1], [3], False)
model2.add_all_qubit_readout_error(roerror, False)
model2.add_readout_error(roerror, [0], False)
self.assertEqual(model1, model2)