def test_add_circuit(self):
"""
Addition of a circuit to a `QubitCircuit`
"""
qc = QubitCircuit(6)
qc.add_gate("CNOT", targets=[1], controls=[0])
test_gate = Gate("SWAP", targets=[1, 4])
qc.add_gate(test_gate)
qc.add_gate("TOFFOLI", controls=[0, 1], targets=[2])
qc.add_gate("SNOT", targets=[3])
qc.add_gate(test_gate, index=[3])
qc.add_measurement("M0", targets=[0], classical_store=[1])
qc.add_1q_gate("RY", start=4, end=5, arg_value=1.570796)
qc1 = QubitCircuit(6)
qc1.add_circuit(qc)
# Test if all gates and measurements are added
assert len(qc1.gates) == len(qc.gates)
for i in range(len(qc1.gates)):
assert (qc1.gates[i].name == qc.gates[i].name)
assert (qc1.gates[i].targets == qc.gates[i].targets)
if (isinstance(qc1.gates[i], Gate)
and isinstance(qc.gates[i], Gate)):
assert (qc1.gates[i].controls == qc.gates[i].controls)
assert (qc1.gates[i].classical_controls ==
qc.gates[i].classical_controls)
elif (isinstance(qc1.gates[i], Measurement)
and isinstance(qc.gates[i], Measurement)):
assert (qc1.gates[i].classical_store ==
qc.gates[i].classical_store)
# Test exception when qubit out of range
pytest.raises(NotImplementedError, qc1.add_circuit, qc, start=4)
qc2 = QubitCircuit(8)
qc2.add_circuit(qc, start=2)
# Test if all gates are added
assert len(qc2.gates) == len(qc.gates)
# Test if the positions are correct
for i in range(len(qc2.gates)):
if qc.gates[i].targets is not None:
assert (qc2.gates[i].targets[0] == qc.gates[i].targets[0] + 2)
if (isinstance(qc.gates[i], Gate)
and qc.gates[i].controls is not None):
assert (qc2.gates[i].controls[0] == qc.gates[i].controls[0] +
2)
def test_add_circuit(self):
"""
Addition of a circuit to a `QubitCircuit`
"""
def customer_gate1(arg_values):
mat = np.zeros((4, 4), dtype=np.complex128)
mat[0, 0] = mat[1, 1] = 1.
mat[2:4, 2:4] = gates.rx(arg_values)
return Qobj(mat, dims=[[2, 2], [2, 2]])
qc = QubitCircuit(6)
qc.user_gates = {"CTRLRX": customer_gate1}
qc = QubitCircuit(6)
qc.add_gate("CNOT", targets=[1], controls=[0])
test_gate = Gate("SWAP", targets=[1, 4])
qc.add_gate(test_gate)
qc.add_gate("TOFFOLI", controls=[0, 1], targets=[2])
qc.add_gate("SNOT", targets=[3])
qc.add_gate(test_gate, index=[3])
qc.add_measurement("M0", targets=[0], classical_store=[1])
qc.add_1q_gate("RY", start=4, end=5, arg_value=1.570796)
qc.add_gate("CTRLRX", targets=[1, 2], arg_value=np.pi/2)
qc1 = QubitCircuit(6)
qc1.add_circuit(qc)
# Test if all gates and measurements are added
assert len(qc1.gates) == len(qc.gates)
# Test if the definitions of user gates are added
assert qc1.user_gates == qc.user_gates
for i in range(len(qc1.gates)):
assert (qc1.gates[i].name
== qc.gates[i].name)
assert (qc1.gates[i].targets
== qc.gates[i].targets)
if (isinstance(qc1.gates[i], Gate) and
isinstance(qc.gates[i], Gate)):
assert (qc1.gates[i].controls
== qc.gates[i].controls)
assert (qc1.gates[i].classical_controls
== qc.gates[i].classical_controls)
elif (isinstance(qc1.gates[i], Measurement) and
isinstance(qc.gates[i], Measurement)):
assert (qc1.gates[i].classical_store
== qc.gates[i].classical_store)
# Test exception when qubit out of range
pytest.raises(NotImplementedError, qc1.add_circuit, qc, start=4)
qc2 = QubitCircuit(8)
qc2.add_circuit(qc, start=2)
# Test if all gates are added
assert len(qc2.gates) == len(qc.gates)
# Test if the positions are correct
for i in range(len(qc2.gates)):
if qc.gates[i].targets is not None:
assert (qc2.gates[i].targets[0]
== qc.gates[i].targets[0]+2)
if (isinstance(qc.gates[i], Gate) and
qc.gates[i].controls is not None):
assert (qc2.gates[i].controls[0]
== qc.gates[i].controls[0]+2)
# Test exception when the operators to be added are not gates or measurements
qc.gates[-1] = 0
pytest.raises(TypeError, qc2.add_circuit, qc)
def test_add_gate(self):
"""
Addition of a gate object directly to a `QubitCircuit`
"""
qc = QubitCircuit(6)
qc.add_gate("CNOT", targets=[1], controls=[0])
test_gate = Gate("SWAP", targets=[1, 4])
qc.add_gate(test_gate)
qc.add_gate("TOFFOLI", controls=[0, 1], targets=[2])
qc.add_gate("SNOT", targets=[3])
qc.add_gate(test_gate, index=[3])
qc.add_1q_gate("RY", start=4, end=5, arg_value=1.570796)
# Test explicit gate addition
assert qc.gates[0].name == "CNOT"
assert qc.gates[0].targets == [1]
assert qc.gates[0].controls == [0]
# Test direct gate addition
assert qc.gates[1].name == test_gate.name
assert qc.gates[1].targets == test_gate.targets
# Test specified position gate addition
assert qc.gates[3].name == test_gate.name
assert qc.gates[3].targets == test_gate.targets
# Test adding 1 qubit gate on [start, end] qubits
assert qc.gates[5].name == "RY"
assert qc.gates[5].targets == [4]
assert qc.gates[5].arg_value == 1.570796
assert qc.gates[6].name == "RY"
assert qc.gates[6].targets == [5]
assert qc.gates[5].arg_value == 1.570796
dummy_gate1 = Gate("DUMMY1")
inds = [1, 3, 4, 6]
qc.add_gate(dummy_gate1, index=inds)
# Test adding gates at multiple (sorted) indices at once.
# NOTE: Every insertion shifts the indices in the original list of
# gates by an additional position to the right.
expected_gate_names = [
'CNOT', # 0
'DUMMY1', # 1
'SWAP', # 2
'TOFFOLI', # 3
'DUMMY1', # 4
'SWAP', # 5
'DUMMY1', # 6
'SNOT', # 7
'RY', # 8
'DUMMY1', # 9
'RY', # 10
]
actual_gate_names = [gate.name for gate in qc.gates]
assert actual_gate_names == expected_gate_names
dummy_gate2 = Gate("DUMMY2")
inds = [11, 0]
qc.add_gate(dummy_gate2, index=inds)
# Test adding gates at multiple (unsorted) indices at once.
expected_gate_names = [
'DUMMY2', # 0
'CNOT', # 1
'DUMMY1', # 2
'SWAP', # 3
'TOFFOLI', # 4
'DUMMY1', # 5
'SWAP', # 6
'DUMMY1', # 7
'SNOT', # 8
'RY', # 9
'DUMMY1', # 10
'RY', # 11
'DUMMY2', # 12
]
actual_gate_names = [gate.name for gate in qc.gates]
assert actual_gate_names == expected_gate_names
def test_add_gate(self):
"""
Addition of a gate object directly to a `QubitCircuit`
"""
qc = QubitCircuit(6)
qc.add_gate("CNOT", targets=[1], controls=[0])
test_gate = Gate("SWAP", targets=[1, 4])
qc.add_gate(test_gate)
qc.add_gate("TOFFOLI", controls=[0, 1], targets=[2])
qc.add_gate("SNOT", targets=[3])
qc.add_gate(test_gate, index=[3])
qc.add_1q_gate("RY", start=4, end=5, arg_value=1.570796)
# Test explicit gate addition
assert qc.gates[0].name == "CNOT"
assert qc.gates[0].targets == [1]
assert qc.gates[0].controls == [0]
# Test direct gate addition
assert qc.gates[1].name == test_gate.name
assert qc.gates[1].targets == test_gate.targets
# Test specified position gate addition
assert qc.gates[3].name == test_gate.name
assert qc.gates[3].targets == test_gate.targets
# Test adding 1 qubit gate on [start, end] qubits
assert qc.gates[5].name == "RY"
assert qc.gates[5].targets == [4]
assert qc.gates[5].arg_value == 1.570796
assert qc.gates[6].name == "RY"
assert qc.gates[6].targets == [5]
assert qc.gates[5].arg_value == 1.570796
# Test Exceptions # Global phase is not included
for gate in _single_qubit_gates:
if gate not in _para_gates:
# No target
pytest.raises(ValueError, qc.add_gate, gate, None, None)
# Multiple targets
pytest.raises(ValueError, qc.add_gate, gate, [0, 1, 2], None)
# With control
pytest.raises(ValueError, qc.add_gate, gate, [0], [1])
else:
# No target
pytest.raises(ValueError, qc.add_gate, gate, None, None, 1)
# Multiple targets
pytest.raises(ValueError, qc.add_gate, gate, [0, 1, 2], None,
1)
# With control
pytest.raises(ValueError, qc.add_gate, gate, [0], [1], 1)
for gate in _ctrl_gates:
if gate not in _para_gates:
# No target
pytest.raises(ValueError, qc.add_gate, gate, None, [1])
# No control
pytest.raises(ValueError, qc.add_gate, gate, [0], None)
else:
# No target
pytest.raises(ValueError, qc.add_gate, gate, None, [1], 1)
# No control
pytest.raises(ValueError, qc.add_gate, gate, [0], None, 1)
for gate in _swap_like:
if gate not in _para_gates:
# Single target
pytest.raises(ValueError, qc.add_gate, gate, [0], None)
# With control
pytest.raises(ValueError, qc.add_gate, gate, [0, 1], [3])
else:
# Single target
pytest.raises(ValueError, qc.add_gate, gate, [0], None, 1)
# With control
pytest.raises(ValueError, qc.add_gate, gate, [0, 1], [3], 1)
for gate in _fredkin_like:
# Single target
pytest.raises(ValueError, qc.add_gate, gate, [0], [2])
# No control
pytest.raises(ValueError, qc.add_gate, gate, [0, 1], None)
for gate in _toffoli_like:
# No target
pytest.raises(ValueError, qc.add_gate, gate, None, [1, 2])
# Single control
pytest.raises(ValueError, qc.add_gate, gate, [0], [1])
