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Fix WaitGate for multiple qubits in cirq_google proto #7189

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Merged
dstrain115 merged 1 commit into from
Mar 26, 2025
Merged

Fix WaitGate for multiple qubits in cirq_google proto #7189

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4 changes: 3 additions & 1 deletion cirq-google/cirq_google/serialization/circuit_serializer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -702,7 +702,9 @@ def _deserialize_gate_op(
total_nanos = arg_func_langs.float_arg_from_proto(
operation_proto.waitgate.duration_nanos, required_arg_name=None
)
op = cirq.WaitGate(duration=cirq.Duration(nanos=total_nanos or 0.0))(*qubits)
op = cirq.WaitGate(
duration=cirq.Duration(nanos=total_nanos or 0.0), num_qubits=len(qubits)
)(*qubits)
elif which_gate_type == 'resetgate':
dimensions_proto = operation_proto.resetgate.arguments.get('dimension', None)
if dimensions_proto is not None:
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6 changes: 6 additions & 0 deletions cirq-google/cirq_google/serialization/circuit_serializer_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -266,6 +266,12 @@ def circuit_proto(json: Dict, qubits: List[str]):
{'waitgate': {'duration_nanos': {'float_value': 15}}, 'qubit_constant_index': [0]}
),
),
(
cirq.WaitGate(duration=cirq.Duration(nanos=15), num_qubits=2)(Q0, Q1),
op_proto(
{'waitgate': {'duration_nanos': {'float_value': 15}}, 'qubit_constant_index': [0, 1]}
),
),
(
cirq.R(Q0),
op_proto(
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