def _execute_GetOccupationProbability(
operation: Union[
ops.PragmaGetOccupationProbability],
qureg: tqureg,
classical_float_registers: Dict[str, List[float]],
) -> None:
tags = operation.tags()
quest_obj = qcheat.getOccupationProbability()
if 'PragmaGetRotatedOccupationProbability' in tags:
N = qureg.numQubitsRepresented
env = qutils.createQuestEnv()()
if qureg.isDensityMatrix:
workspace = qutils.createDensityQureg()(N, env)
else:
workspace = qutils.createQureg()(N, env)
qutils.cloneQureg()(workspace, qureg)
if operation.circuit() is not None:
pyquest_call_circuit(
circuit=operation.circuit(),
qureg=workspace,
classical_bit_registers=dict(),
classical_float_registers=dict(),
classical_complex_registers=dict(),
output_bit_register_dict=dict(),)
occ_probabilities = np.real(quest_obj(qureg=workspace))
qutils.destroyQureg()(qubits=workspace, env=env)
del workspace
qutils.destroyQuestEnv()(env)
del env
else:
occ_probabilities = np.real(quest_obj(qureg=qureg, ))
classical_float_registers[operation.readout()] = occ_probabilities
def _execute_GetPauliProduct(
operation: ops.PragmaGetPauliProduct,
qureg: tqureg,
classical_float_registers: Dict[str, List[float]],
) -> None:
if operation.qubit_paulis == {}:
classical_float_registers[operation.readout()] = [
1.0,
]
return None
N = qureg.numQubitsRepresented
env = qutils.createQuestEnv()()
if qureg.isDensityMatrix:
workspace = qutils.createDensityQureg()(N, env)
workspace_pp = qutils.createDensityQureg()(N, env)
else:
workspace = qutils.createQureg()(N, env)
workspace_pp = qutils.createQureg()(N, env)
qutils.cloneQureg()(workspace, qureg)
if operation.circuit() is not None:
pyquest_call_circuit(
circuit=operation.circuit(),
qureg=workspace,
classical_bit_registers=dict(),
classical_float_registers=dict(),
classical_complex_registers=dict(),
output_bit_register_dict=dict(),
)
qubits = list()
paulis = list()
for qubit, pauli in operation.qubit_paulis().items():
qubits.append(qubit)
paulis.append(pauli)
pp = qcheat.calcExpecPauliProd().call_interactive(qureg=workspace,
qubits=qubits,
paulis=paulis,
workspace=workspace_pp)
qutils.destroyQureg()(qubits=workspace_pp, env=env)
qutils.destroyQureg()(qubits=workspace, env=env)
del workspace
qutils.destroyQuestEnv()(env)
del env
classical_float_registers[operation.readout()] = [
pp,
]
def _execute_GetStateVector(
operation: Union[ops.PragmaGetStateVector, ops.PragmaGetDensityMatrix],
qureg: tqureg,
classical_complex_registers: Dict[str, List[complex]],
) -> None:
tags = operation.tags()
if 'PragmaGetStateVector' in tags:
is_state = True
quest_obj = qcheat.getStateVector()
if 'PragmaGetDensityMatrix' in tags:
is_state = False
quest_obj = qcheat.getDensityMatrix()
if operation.circuit() is None:
if is_state is True:
statevector = quest_obj(qureg=qureg, )
else:
density_matrix = quest_obj(qureg=qureg, )
else:
N = qureg.numQubitsRepresented
env = qutils.createQuestEnv()()
if qureg.isDensityMatrix:
workspace = qutils.createDensityQureg()(N, env)
else:
workspace = qutils.createQureg()(N, env)
qutils.cloneQureg()(workspace, qureg)
if operation.circuit() is not None:
pyquest_call_circuit(
circuit=operation.circuit(),
qureg=workspace,
classical_bit_registers=dict(),
classical_float_registers=dict(),
classical_complex_registers=dict(),
output_bit_register_dict=dict(),
)
if is_state is True:
statevector = quest_obj(qureg=workspace)
else:
density_matrix = quest_obj(qureg=workspace).flatten()
classical_complex_registers[operation.readout(
)] = statevector if is_state is True else density_matrix
def test_QuReg() -> None:
"""Testing the creation, cloning, destruction and reporting of a QuReg"""
env = utils.createQuestEnv()()
wave_qureg = utils.createQureg()(num_qubits=2, env=env)
cheat.initZeroState()(qureg=wave_qureg)
density_qureg = utils.createDensityQureg()(num_qubits=2, env=env)
cheat.initZeroState()(qureg=density_qureg)
cloned_qureg = utils.createCloneQureg()(qureg=density_qureg, env=env)
cheat.initZeroState()(qureg=cloned_qureg)
try:
[wave_string, density_string, cloned_string] = ['', '', '']
cheat.getEnvironmentString()(env=env,
qureg=wave_qureg,
string=wave_string)
cheat.getEnvironmentString()(env=env,
qureg=density_qureg,
string=density_string)
cheat.getEnvironmentString()(env=env,
qureg=cloned_qureg,
string=cloned_string)
assert cloned_string == density_string
cheat.getEnvironmentString()(env=env,
qureg=cloned_qureg,
string=cloned_string)
assert cloned_string == wave_string
except NotImplementedError:
pass # getEnvironmentString unittest not implemented
assert wave_qureg.isDensityMatrix == False
assert density_qureg.isDensityMatrix == True
assert cloned_qureg.isDensityMatrix == True
assert np.all(cheat.getDensityMatrix()(
qureg=density_qureg) == cheat.getDensityMatrix()(qureg=cloned_qureg))
assert not np.all(cheat.getStateVector()(
qureg=wave_qureg) == cheat.getDensityMatrix()(qureg=cloned_qureg))
npt.assert_raises(TypeError, utils.cloneQureg(), cloned_qureg, wave_qureg)
to_be_cloned = utils.createDensityQureg()(num_qubits=3, env=env)
cheat.initZeroState()(qureg=to_be_cloned)
clone_into = utils.createDensityQureg()(num_qubits=3, env=env)
cheat.initZeroState()(qureg=clone_into)
utils.cloneQureg()(clone_into, to_be_cloned)
assert clone_into.isDensityMatrix == True
result_type_list = ['', '', '']
argument_type_list = [[''], [''], ['']]
for qureg in [wave_qureg, density_qureg, cloned_qureg]:
utils.reportQuregParams()(qureg=qureg)
utils.reportState()(qureg=qureg)
utils.reportStateToScreen()(qureg=qureg, env=env)
result_type_list[0] = utils.reportQuregParams().restype
argument_type_list[0] = utils.reportQuregParams().argtype
result_type_list[1] = utils.reportState().restype
argument_type_list[1] = utils.reportState().argtype
result_type_list[2] = utils.reportStateToScreen().restype
argument_type_list[2] = utils.reportStateToScreen().argtype
npt.assert_array_equal(result_type_list, ["void", "void", "void"])
npt.assert_equal(argument_type_list,
[["Qureg"], ["Qureg"], ["Qureg", "QuESTEnv", "int"]])
for qureg in [wave_qureg, density_qureg, cloned_qureg]:
utils.destroyQureg()(env=env, qubits=qureg)