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Make the docstring for graph_to_swaps a bit clearer. #175

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Oct 30, 2023
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Make the docstring for graph_to_swaps a bit clearer. #175

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5 changes: 3 additions & 2 deletions pyzx/extract.py
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Original file line number Diff line number Diff line change
Expand Up @@ -780,8 +780,9 @@ def extract_simple(g: BaseGraph[VT, ET], up_to_perm: bool = True) -> Circuit:


def graph_to_swaps(g: BaseGraph[VT, ET], no_swaps: bool = False) -> Circuit:
"""Converts a graph containing only normal and Hadamard edges into a circuit of Hadamard
and SWAP gates. If 'no_swaps' is True, only add Hadamards where needed"""
"""Converts a graph containing only normal and Hadamard edges (i.e., no vertices other than
inputs and outputs) into a circuit of Hadamard and SWAP gates. If 'no_swaps' is True, only add
Hadamards where needed"""
swap_map = {}
leftover_swaps = False
inputs = g.inputs()
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