internal_merge_by_indices

internal_merge_by_indices#

ssip.coequalisers.internal_merge_by_indices(C: CSScode, indices1: list[int], indices2: list[int], basis: str = 'Z', depth: int = 1, return_data: bool = False) → CSScode | MergeResult | None[source]#

Construct an internal merge within one CSS codeblock, along two disjoint logical operators.

Parameters:

  • C – The CSScode to merge within.

  • indices1 – The qubits in the support of the first logical operator.

  • indices2 – The qubits in the support of the second logical operator.

  • basis – The basis, X or Z, to perform the logical measurement in.

  • depth – The depth of the merge, i.e. how large to make the tensor product intermediate code.

  • return_data – Whether to calculate a MergeResult rather than a CSScode output. The MergeResult includes substantially more data about the merge.

Returns:

The merged CSScode, or the MergeResult object which contains the CSScode, or None if no merge can be found.

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