698f23520da756cb76e796aafb283c6153366685,qiskit/aqua/components/iqfts/approximate.py,Approximate,construct_circuit,#Approximate#Any#Any#Any#,54

Before Change

        if mode == "vector":
            raise NotImplementedError()
        elif mode == "circuit":
            if register is None:
                register = QuantumRegister(self._num_qubits, name="q")
            if circuit is None:
                circuit = QuantumCircuit()
            if not circuit.has_register(register):
                circuit.add_register(register)

            for j in reversed(range(self._num_qubits)):

After Change

        if mode == "vector":
            raise NotImplementedError()
        elif mode == "circuit":
            if circuit:
                if not register:
                    raise AquaError("A QuantumRegister needs to be specified with the input QuantumCircuit.")
            else:
                circuit = QuantumCircuit()
                if not register:
                    register = QuantumRegister(self._num_qubits, name="q")
            if not circuit.has_register(register):
                circuit.add_register(register)

            for j in reversed(range(self._num_qubits)):

Instances