def test_noise_operators(init, gate_time, rate):
"""Test PRAGMA operators applying noise with PyQuEST interface"""
op = init[0]
(Gate_time, Rate, q0) = ('gate_time',
'rate', 0)
operation = op(qubit=q0, gate_time=Gate_time, rate=Rate)
substitution_dict = {'gate_time': gate_time, 'rate': rate}
operation = operation.substitute_parameters(substitution_dict)
env = utils.createQuestEnv()()
qureg = utils.createDensityQureg()(1, env)
cheat.initPlusState()(qureg=qureg)
init[2](qureg=qureg, probability=operation.probability().float(), qubit=0)
density_matrix_ref = cheat.getDensityMatrix()(qureg)
test_dict = {'ro': list()}
cheat.initPlusState()(qureg)
pyquest_call_operation(operation=operation.substitute_parameters(substitution_dict),
qureg=qureg,
classical_bit_registers=dict(),
classical_float_registers=dict(),
classical_complex_registers=test_dict,
output_bit_register_dict=dict(),
)
density_matrix_test = cheat.getDensityMatrix()(qureg)
npt.assert_array_almost_equal(density_matrix_ref, density_matrix_test)
utils.destroyQureg().call_interactive(qureg, env)
utils.destroyQuestEnv().call_interactive(env)
operation = operation.substitute_parameters(substitution_dict)
env = utils.createQuestEnv()()
qureg = utils.createDensityQureg()(1, env)
cheat.initPlusState()(qureg=qureg)
init[2](qureg=qureg, probability=operation.probability().float(), qubit=0)
density_matrix_ref = cheat.getDensityMatrix()(qureg)
cheat.initPlusState()(qureg)
pyquest_call_operation(operation=operation, qureg=qureg, classical_bit_registers=dict(),
classical_float_registers=dict(),
classical_complex_registers=test_dict,
output_bit_register_dict=dict(),)
density_matrix_test = cheat.getDensityMatrix()(qureg)
npt.assert_array_almost_equal(density_matrix_ref, density_matrix_test)
utils.destroyQureg().call_interactive(qureg, env)
utils.destroyQuestEnv().call_interactive(env)
def test_random_noise_operator(gate_time, depolarisation_rate, dephasing_rate):
"""Test PRAGMA operators applying random noise (stochastic unravelling) with PyQuEST interface"""
op = ops.PragmaRandomNoise
test_dict = {'ro': list()}
(Gate_time, depol_Rate, dephasing_Rate) = ('gate_time',
'depolarisation_rate',
'dephasing_rate',
)
operation = op(qubit=0, gate_time=Gate_time,
depolarising_rate=depol_Rate, dephasing_rate=dephasing_Rate)
substitution_dict = {'gate_time': gate_time,
'depolarisation_rate': depolarisation_rate,
'dephasing_rate': dephasing_rate}
env = utils.createQuestEnv()()
qureg = utils.createQureg()(1, env)
state_vec_ref = cheat.getStateVector()(qureg)
pyquest_call_operation(operation=operation.substitute_parameters(substitution_dict),
qureg=qureg,
classical_bit_registers=dict(),
classical_float_registers=dict(),
classical_complex_registers=test_dict,
output_bit_register_dict=dict(),
)
if gate_time == 0 or (dephasing_rate == 0 and depolarisation_rate == 0):
state_vec = cheat.getStateVector()(qureg)
npt.assert_array_almost_equal(state_vec_ref, state_vec)
utils.destroyQureg().call_interactive(qureg, env)
utils.destroyQuestEnv().call_interactive(env)
operation.substitute_parameters(substitution_dict)
env = utils.createQuestEnv()()
qureg = utils.createQureg()(1, env)
state_vec_ref = cheat.getStateVector()(qureg)
pyquest_call_operation(operation=operation.substitute_parameters(substitution_dict),
qureg=qureg, classical_bit_registers=dict(),
classical_float_registers=dict(),
classical_complex_registers=test_dict,
output_bit_register_dict=dict(),)
if gate_time == 0 or (dephasing_rate == 0 and depolarisation_rate == 0):
state_vec = cheat.getStateVector()(qureg)
npt.assert_array_almost_equal(state_vec_ref, state_vec)
utils.destroyQureg().call_interactive(qureg, env)
utils.destroyQuestEnv().call_interactive(env)
def test_measurement():
"""Test gate operations without free parameters with PyQuEST interface"""
op = ops.MeasureQubit(qubit=0, readout='test', readout_index=0)
test_dict = {'test': np.array([0, 0, 0, 0])}
env = utils.createQuestEnv()()
qubits = utils.createQureg()(2, env)
state = np.array([0, 1, 0, 0])
cheat.initStateFromAmps()(qubits, np.real(state), np.imag(state))
pyquest_call_operation(op, qubits,
classical_bit_registers=test_dict,
classical_float_registers=dict(),
classical_complex_registers=dict(),
output_bit_register_dict=dict(),)
utils.destroyQureg()(qubits, env=env)
utils.destroyQuestEnv()(env)
assert test_dict['test'][0]
def test_pragma_repeated_measurement_pyquest() -> None:
"""Test repeated measurement with PyQuEST interface"""
op = ops.PragmaRepeatedMeasurement
operation = op(readout='ro',
qubit_mapping={0: 0},
number_measurements=100)
test_dict: Dict[str, List[List[bool]]] = {'ro': list(list())}
test_dict2: Dict[str, List[bool]] = {'ro': list()}
env = utils.createQuestEnv()()
qubits = utils.createQureg()(2, env)
state = 1 / np.sqrt(2) * np.array([1, 1, 0, 0])
cheat.initStateFromAmps()(qubits, np.real(state), np.imag(state))
pyquest_call_operation(operation=operation, qureg=qubits, classical_bit_registers=test_dict2,
classical_float_registers=dict(),
classical_complex_registers=dict(),
output_bit_register_dict=test_dict,)
utils.destroyQureg()(qubits, env=env)
utils.destroyQuestEnv()(env)
assert len(test_dict['ro']) == 100
def test_pragma_get_occupation_probability_pyquest(init) -> None:
"""Test get occupation probability with PyQuEST interface"""
op = ops.PragmaGetOccupationProbability
test_dict: Dict[str, List[float]] = {'ro': [0, 0]}
operation = op(readout='ro',
circuit=Circuit()
)
env = utils.createQuestEnv()()
qubits = utils.createQureg()(2, env)
state = np.array([0, 1, 0, 0])
cheat.initStateFromAmps()(qubits, np.real(state), np.imag(state))
pyquest_call_operation(operation=operation, qureg=qubits, classical_bit_registers=dict(),
classical_float_registers=test_dict,
classical_complex_registers=dict(),
output_bit_register_dict=dict(),)
utils.destroyQureg()(qubits=qubits, env=env)
utils.destroyQuestEnv()(env)
npt.assert_array_almost_equal(test_dict['ro'], init[1])
def test_pragma_get_statevec_pyquest(init) -> None:
"""Test get state vector with PyQuEST interface"""
op = ops.PragmaGetStateVector
test_dict: Dict[str, List[complex]] = {'ro': [0, 0, 0, 0]}
operation = op(readout='ro',
circuit=Circuit(),
)
env = utils.createQuestEnv()()
qubits = utils.createQureg()(2, env)
state = 1 / np.sqrt(2) * np.array([1, 1, 0, 0])
cheat.initStateFromAmps()(qubits, np.real(state), np.imag(state))
pyquest_call_operation(operation=operation, qureg=qubits, classical_bit_registers=dict(),
classical_float_registers=dict(),
classical_complex_registers=test_dict,
output_bit_register_dict=dict(),)
utils.destroyQureg()(qubits=qubits, env=env)
utils.destroyQuestEnv()(env)
npt.assert_array_almost_equal(test_dict['ro'], init[1], decimal=4)
def test_pragma_get_densitymatrix_pyquest() -> None:
"""Test get density matrix with PyQuEST interface"""
op = ops.PragmaGetDensityMatrix
test_dict: Dict[str, List[complex]] = {'ro': [0, 0, 0, 0]}
operation = op(readout='ro',
circuit=Circuit()
)
env = utils.createQuestEnv()()
qubits = utils.createQureg()(1, env)
state = 1 / np.sqrt(2) * np.array([1, 1])
density_matrix = 1 / 2 * np.array([[1, 1], [1, 1]]).flatten()
cheat.initStateFromAmps()(qubits, np.real(state), np.imag(state))
pyquest_call_operation(operation=operation, qureg=qubits, classical_bit_registers=dict(),
classical_float_registers=dict(),
classical_complex_registers=test_dict,
output_bit_register_dict=dict(),)
utils.destroyQureg()(qubits=qubits, env=env)
utils.destroyQuestEnv()(env)
npt.assert_array_almost_equal(test_dict['ro'], density_matrix)
def test_pragma_get_pauli_prod_measurement_pyquest(init) -> None:
"""Test measuring product of pauli operators with PyQuEST interface"""
test_dict: Dict[str, List[float]] = {'ro': [0, 0, 0, 0]}
op = ops.PragmaGetPauliProduct
env = utils.createQuestEnv()()
qubits = utils.createQureg()(2, env)
state = init[0]
cheat.initStateFromAmps()(qubits, np.real(state), np.imag(state))
operation = op(readout='ro',
qubit_paulis=init[2],
circuit=Circuit())
pyquest_call_operation(operation=operation, qureg=qubits, classical_bit_registers=dict(),
classical_float_registers=test_dict,
classical_complex_registers=dict(),
output_bit_register_dict=dict(),)
npt.assert_array_almost_equal(test_dict['ro'], init[1])
utils.destroyQureg()(qubits, env=env)
utils.destroyQuestEnv()(env)
def test_set_qureg():
"""Test set qureg PRAGMA with PyQuEST interface"""
env = utils.createQuestEnv()()
qureg_density = utils.createDensityQureg()(2, env)
qureg_wave = utils.createQureg()(2, env)
cheat.initBlankState()(qureg=qureg_density)
cheat.initBlankState()(qureg=qureg_wave)
density_start = cheat.getDensityMatrix()(qureg_density)
wave_start = cheat.getStateVector()(qureg_wave)
set_wave = np.array([2, 1, 0, 1], dtype=complex)
set_density = np.array([[1, 0, 2, 0],
[0, 2, 3, 3],
[3, 1, 0, 0],
[0, 1, 2, 0]], dtype=complex)
pyquest_call_operation(operation=ops.PragmaSetStateVector(set_wave),
qureg=qureg_wave,
classical_bit_registers=dict(),
classical_float_registers=dict(),
classical_complex_registers=dict(),
output_bit_register_dict=dict(),)
pyquest_call_operation(operation=ops.PragmaSetDensityMatrix(set_density),
qureg=qureg_density,
classical_bit_registers=dict(),
classical_float_registers=dict(),
classical_complex_registers=dict(),
output_bit_register_dict=dict(),)
npt.assert_array_equal(density_start, [[0] * 4] * 4)
npt.assert_array_equal(wave_start, [0] * 4)
npt.assert_array_equal(set_wave, cheat.getStateVector()(qureg_wave))
npt.assert_array_equal(set_density, cheat.getDensityMatrix()(qureg_density))
utils.destroyQureg().call_interactive(qureg_wave, env)
utils.destroyQureg().call_interactive(qureg_density, env)
utils.destroyQuestEnv().call_interactive(env)
def test_conditional_pragma():
"""Test PRAGMA conditional operation"""
test_dict = {'ro': [False, False],
'cond': [True, False]}
circuit0 = Circuit()
circuit0 += ops.PauliX(qubit=0)
circuit0 += ops.MeasureQubit(readout='ro', qubit=0, readout_index=0)
circuit1 = Circuit()
circuit1 += ops.PauliX(qubit=1)
circuit1 += ops.MeasureQubit(readout='ro', qubit=1, readout_index=1)
operation = ops.PragmaConditional(
condition_register='cond',
condition_index=0,
circuit=circuit0)
env = utils.createQuestEnv()()
qureg = utils.createQureg()(2, env)
test_dict = {'ro': [False, False],
'cond': [True, False]}
pyquest_call_operation(operation=operation,
qureg=qureg,
classical_bit_registers=test_dict,
classical_float_registers=dict(),
classical_complex_registers=dict(),
output_bit_register_dict=dict(),
)
utils.destroyQureg().call_interactive(qureg, env)
utils.destroyQuestEnv().call_interactive(env)
assert test_dict['ro'] == [True, False]
operation = ops.PragmaConditional(
condition_register='cond',
condition_index=0,
circuit=circuit1)
env = utils.createQuestEnv()()
qureg = utils.createQureg()(2, env)
test_dict = {'ro': [False, False],
'cond': [True, False]}
pyquest_call_operation(operation=operation,
qureg=qureg,
classical_bit_registers=test_dict,
classical_float_registers=dict(),
classical_complex_registers=dict(),
output_bit_register_dict=dict(),
)
utils.destroyQureg().call_interactive(qureg, env)
utils.destroyQuestEnv().call_interactive(env)
assert test_dict['ro'] == [False, True]
operation = ops.PragmaConditional(
condition_register='not_in',
condition_index=0,
circuit=circuit1)
env = utils.createQuestEnv()()
qureg = utils.createQureg()(2, env)
with pytest.raises(RuntimeError):
pyquest_call_operation(operation=operation,
qureg=qureg,
classical_bit_registers=dict(),
classical_float_registers=dict(),
classical_complex_registers=test_dict,
output_bit_register_dict=dict(),
)
utils.destroyQureg().call_interactive(qureg, env)
utils.destroyQuestEnv().call_interactive(env)
def test_pragma_get_pauli_product_pyquest() -> None:
"""Test repeated measurement with PyQuEST interface"""
operation = ops.PragmaGetPauliProduct(readout='ro',
qubit_paulis={0: 3},
circuit=Circuit()
)
test_dict: Dict[str, List[float]] = {'ro': [0.0]}
env = utils.createQuestEnv()()
qubits = utils.createQureg()(2, env)
state = np.array([1, 0, 0, 0])
cheat.initStateFromAmps()(qubits, np.real(state), np.imag(state))
pyquest_call_operation(operation=operation, qureg=qubits, classical_bit_registers=dict(),
classical_float_registers=test_dict,
classical_complex_registers=dict(),
output_bit_register_dict=dict(),)
assert test_dict['ro'][0] == 1
test_dict = {'ro': list()}
state = np.array([0, 1, 0, 0])
cheat.initStateFromAmps()(qubits, np.real(state), np.imag(state))
pyquest_call_operation(operation=operation, qureg=qubits, classical_bit_registers=dict(),
classical_float_registers=test_dict,
classical_complex_registers=dict(),
output_bit_register_dict=dict(),)
assert test_dict['ro'][0] == -1
test_dict = {'ro': list()}
state = 1 / np.sqrt(2) * np.array([1, 1, 0, 0])
cheat.initStateFromAmps()(qubits, np.real(state), np.imag(state))
pyquest_call_operation(operation=operation, qureg=qubits, classical_bit_registers=dict(),
classical_float_registers=test_dict,
classical_complex_registers=dict(),
output_bit_register_dict=dict(),)
assert test_dict['ro'][0] == 0
operation = ops.PragmaGetPauliProduct(readout='ro',
qubit_paulis={0: 3, 1: 3},
circuit=Circuit()
)
test_dict = {'ro': list()}
state = 1 / np.sqrt(2) * np.array([0, 1, 1, 0])
cheat.initStateFromAmps()(qubits, np.real(state), np.imag(state))
pyquest_call_operation(operation=operation, qureg=qubits, classical_bit_registers=dict(),
classical_float_registers=test_dict,
classical_complex_registers=dict(),
output_bit_register_dict=dict(),)
assert np.isclose(test_dict['ro'][0], -1)
test_dict = {'ro': list()}
state = 1 / np.sqrt(2) * np.array([0, 1, -1, 0])
cheat.initStateFromAmps()(qubits, np.real(state), np.imag(state))
pyquest_call_operation(operation=operation, qureg=qubits, classical_bit_registers=dict(),
classical_float_registers=test_dict,
classical_complex_registers=dict(),
output_bit_register_dict=dict(),)
assert np.isclose(test_dict['ro'][0], -1)
utils.destroyQureg()(qubits=qubits, env=env)
utils.destroyQuestEnv()(env)