Add basic support for feedback operations to stimcirq#1055
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Strilanc
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Apr 15, 2026
Strilanc
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- Currently fails to round trip while preserving simulability
- cirq->stim can handle cirq.ClassicallyControlledOperation (wrapping Paulis with a single control) and turns it in "CX rec[-1] 0" or similar
- stim->cirq produces a stimcirq.FeedbackPauli which is not simulable (due to not knowing how to lookup the measurement)
- Currently fails to round trip while preserving simulability - cirq->stim can handle cirq.ClassicallyControlledOperation (wrapping Paulis with a single control) and turns it in "CX rec[-1] 0" or similar - stim->cirq produces a stimcirq.FeedbackPauli which is not simulable (due to not knowing how to lookup the measurement)
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