Source code for qiskit.transpiler.passes.analysis.size

# This code is part of Qiskit.
# (C) Copyright IBM 2017, 2019.
# This code is licensed under the Apache License, Version 2.0. You may
# obtain a copy of this license in the LICENSE.txt file in the root directory
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"""Calculate the size of a DAG circuit."""

from qiskit.transpiler.basepasses import AnalysisPass

[docs]class Size(AnalysisPass): """Calculate the size of a DAG circuit. The result is saved in ``property_set['size']`` as an integer. """ def __init__(self, *, recurse=False): """ Args: recurse: whether to allow recursion into control flow. If this is ``False`` (default), the pass will throw an error when control flow is present, to avoid returning a number with little meaning. """ super().__init__() self.recurse = recurse
[docs] def run(self, dag): """Run the Size pass on `dag`.""" self.property_set["size"] = dag.size(recurse=self.recurse)