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Allow StandardRB to handle a V2 backend without a coupling map #1293

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Merged
wshanks merged 4 commits into from
Oct 30, 2023
Merged

Allow StandardRB to handle a V2 backend without a coupling map #1293

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d30259a
Allow StandardRB to handle a V2 backend without a coupling map
wshanks Oct 27, 2023
391414e
Merge branch 'main' into rb-v2-none-coupling
wshanks Oct 30, 2023
d54c89f
Add release note
wshanks Oct 30, 2023
f4e02f4
Merge remote-tracking branch 'origin/rb-v2-none-coupling' into rb-v2-…
wshanks Oct 30, 2023
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3 changes: 3 additions & 0 deletions qiskit_experiments/library/randomized_benchmarking/standard_rb.py
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Original file line number Diff line number Diff line change
Expand Up @@ -241,6 +241,9 @@ def _get_basis_gates(self) -> Optional[Tuple[str, ...]]:
return tuple(sorted(basis_gates)) if basis_gates else None

def is_bidirectional(coupling_map):
if coupling_map is None:
# None for a coupling map implies all-to-all coupling
return True
return len(coupling_map.reduce(self.physical_qubits).get_edges()) == 2

# 2 qubits case: Return all basis gates except for one-way directed 2q-gates.
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