rnn_cell.py 文件源码

def __call__(self, inputs, state, scope=None):
    """Gated recurrent unit (GRU) with nunits cells."""
    with vs.variable_scope(scope or type(self).__name__):  # "GRUCell"
      with vs.variable_scope("Gates"):  # Reset gate and update gate.
        # We start with bias of 1.0 to not reset and not update.
        r, u = array_ops.split(1, 2, linear([inputs, state],
                                            2 * self._num_units, True, 1.0))
        r, u = sigmoid(r), sigmoid(u)
      with vs.variable_scope("Candidate"):
        c = tanh(linear([inputs, r * state], self._num_units, True))
      new_h = u * state + (1 - u) * c
    return new_h, new_h