utility.py 文件源码

def place_x(self, circuit, quantum_r):
        sorted_c = sorted(self.__connected.items(), key=operator.itemgetter(0))
        logger.log(logging.VERBOSE, 'place_x() - sorted_c:\n%s', str(sorted_c))
        s_0 = self.__n_qubits // 2
        i = 0
        count = self.__n_qubits - 1
        for qubit in sorted_c:
            if count <= 0:
                break
            if i >= s_0:
                circuit.x(quantum_r[qubit[0]])
            else:
                circuit.iden(quantum_r[qubit[0]])
            i += 1
        i = 0
        for qubit in sorted_c:
            if i >= s_0:
                circuit.iden(quantum_r[qubit[0]])
            else:
                circuit.x(quantum_r[qubit[0]])
            i += 1

    # final measure