e871556bad89d632b549f0c5184a5c5159d34930,qiskit_aqua/algorithms/single_sample/iqpe/iqpe.py,IQPE,_estimate_phase_iteratively,#IQPE#,219

Before Change

    def _estimate_phase_iteratively(self):
        Iteratively construct the different order of controlled evolution circuit to carry out phase estimation
        if self._quantum_instance.is_statevector:
            raise ValueError("Selected backend does not support measurements.")

        self._ret["top_measurement_label"] = ""

        omega_coef = 0

After Change

            omega_coef /= 2
            qc = self.construct_circuit(k, -2 * np.pi * omega_coef)
            if self._quantum_instance.is_statevector:
                result = self._quantum_instance.execute(qc)
                complete_state_vec = result.get_statevector(qc, decimals=16)
                state_vec = get_subsystem_statevector(
                    complete_state_vec,
                    range(self._operator.num_qubits)

Instances