def test_correctness_3(self) -> None:
circuit = Circuit(5)
wide_gate = IdentityGate(3)
circuit.append_gate(HGate(), [1])
circuit.append_gate(CNOTGate(), [2, 3])
circuit.append_gate(wide_gate, [1, 2, 3])
circuit.append_gate(CNOTGate(), [1, 2])
circuit.append_gate(HGate(), [3])
circuit.append_gate(XGate(), [0])
circuit.append_gate(XGate(), [0])
circuit.append_gate(XGate(), [0])
circuit.append_gate(XGate(), [4])
circuit.append_gate(XGate(), [4])
circuit.append_gate(XGate(), [4])
utry = circuit.get_unitary()
circuit.fold(circuit.get_region([(0, 2), (1, 1), (2, 1)]))
assert circuit.get_num_operations() == 9
assert circuit.get_depth() == 3
assert circuit.count(HGate()) == 2
assert circuit.count(XGate()) == 6
assert isinstance(circuit[1, 1].gate, CircuitGate)
test_gate: CircuitGate = circuit[1, 1].gate
assert test_gate._circuit[0, 1].gate is CNOTGate()
assert test_gate._circuit[0, 2].gate is CNOTGate()
assert test_gate._circuit[1, 0].gate is wide_gate
assert test_gate._circuit[1, 1].gate is wide_gate
assert test_gate._circuit[1, 2].gate is wide_gate
check_no_idle_cycles(circuit)
assert np.allclose(utry.get_numpy(), circuit.get_unitary().get_numpy())
def get_value(
self,
circuit: Circuit,
target: UnitaryMatrix | StateVector,
) -> float:
"""Return the heuristic's value, see HeuristicFunction for more info."""
cost = 0.0
for gate in circuit.get_gate_set():
if gate.get_size() == 1:
continue
cost += float(circuit.count(gate))
return cost
def run(self, circuit: Circuit, data: dict[str, Any]) -> None:
"""Perform the pass's operation, see BasePass for more info."""
stats: dict[str, Any] = {}
stats['cycles'] = circuit.get_num_cycles()
stats['num_ops'] = circuit.get_num_operations()
stats['cgraph'] = circuit.get_coupling_graph()
stats['depth'] = circuit.get_depth()
stats['gate_counts'] = {
gate: circuit.count(gate)
for gate in circuit.get_gate_set()
}
if self.key not in data:
data[self.key] = []
data[self.key].append(stats)
def get_truth_value(self, circuit: Circuit, data: dict[str, Any]) -> bool:
"""Call this predicate, see PassPredicate for more info."""
gate_count = circuit.count(self.gate)
# If first call, record data and return true
if self.key not in data:
_logger.debug(f'Could not find {self.key} key.')
data[self.key] = gate_count
return True
# Otherwise, check for a change and return accordingly
if data[self.key] == gate_count:
_logger.debug('Counts match; no change detected.')
return False
data[self.key] = gate_count
_logger.debug('Counts do not match; change detected.')
return True
