mirror of https://github.com/Qiskit/qiskit.git
19 lines
666 B
YAML
19 lines
666 B
YAML
---
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features:
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- |
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Introduced a new transpiler pass :obj:`.InverseCancellation` that generalizes the :obj:`.CXCancellation`
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pass to cancel any self-inverse gates or gate-inverse pairs. It can be used by
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initializing :obj:`.InverseCancellation` and passing a gate to cancel, for example::
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from qiskit.transpiler.passes import InverseCancellation
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from qiskit import QuantumCircuit
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from qiskit.circuit.library import HGate
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from qiskit.transpiler import PassManager
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qc = QuantumCircuit(2, 2)
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qc.h(0)
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qc.h(0)
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pass_ = InverseCancellation([HGate()])
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pm = PassManager(pass_)
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new_circ = pm.run(qc)
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