# -*- coding: utf-8 -*-
# @author: Longxing Tan, tanlongxing888@163.com
# @date: 2020-01

import numpy as np
import tensorflow as tf
from tensorflow.keras.layers import Conv1D, Dropout, Dense, LayerNormalization


class DRNN(tf.keras.layers.Layer):
    def __init__(self):
        pass

    def build(self, input_shape):
        super()

    def call(self, x):
        return


class ResidualDRNN(tf.keras.layers.Layer):
    def __init__(self):
        pass

    def build(self, input_shape):
        super()

    def call(self, x):
        return
