Synthesize a permutation circuit for a linear nearest-neighbor architecture using the Kutin, Moulton, Smithline method.
This is the permutation synthesis algorithm from https://arxiv.org/abs/quant-ph/0701194, Chapter 6. It synthesizes any permutation of n qubits over linear nearest-neighbor architecture using SWAP gates with depth at most n and size at most n(n-1)/2 (where both depth and size are measured with respect to SWAPs).
pattern (Union[list[int], np.ndarray]) – permutation pattern, describing which qubits occupy the positions 0, 1, 2, etc. after applying the permutation. That is,
pattern[k] = mwhen the permutation maps qubit
k. As an example, the pattern
[2, 4, 3, 0, 1]means that qubit
2goes to position
4goes to position
the synthesized quantum circuit.
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