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Improving performance of openfermion to pyquil qubit op conversion #19

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Improving performance of openfermion to pyquil qubit op conversion #19

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9 changes: 5 additions & 4 deletions forestopenfermion/pyquil_connector.py
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Original file line number Diff line number Diff line change
Expand Up @@ -32,15 +32,16 @@ def qubitop_to_pyquilpauli(qubit_operator):
raise TypeError("qubit_operator must be a OpenFermion "
"QubitOperator object")

transformed_term = PauliTerm("I", 0, 0.0)
terms = []
for qubit_terms, coefficient in qubit_operator.terms.items():
base_term = PauliTerm('I', 0)
for tensor_term in qubit_terms:
base_term *= PauliTerm(tensor_term[1], tensor_term[0])
terms.append(base_term * coefficient)

transformed_term += base_term * coefficient

return transformed_term
paulisum = PauliSum(terms)
return paulisum.simplify()


def pyquilpauli_to_qubitop(pyquil_pauli):
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