worker.py 文件源码

def is_connect_exist_nn(node_in, node_out, nn):
        """
        check if the connection between node_in and node_out exists

        :param node_in:
        :param node_out:
        :param nn: Neural network instance
        :return: True if exists, False if DNE
        """

        assert type(nn) == NeuralNetwork, "nn must be an instance of Neural Network"

        if nn.connect_genes is None:
            return False

        connect = [node_in, node_out]
        history = nn.connect_genes[:, :2]

        return any(np.equal(connect, history).all(1))