"""Python wrappers around TensorFlow ops.

This file is MACHINE GENERATED! Do not edit.
"""

import collections as _collections
import six as _six

from tensorflow.python import pywrap_tensorflow as _pywrap_tensorflow
from tensorflow.python.eager import context as _context
from tensorflow.python.eager import core as _core
from tensorflow.python.eager import execute as _execute
from tensorflow.python.framework import dtypes as _dtypes
from tensorflow.python.framework import errors as _errors
from tensorflow.python.framework import tensor_shape as _tensor_shape

from tensorflow.core.framework import op_def_pb2 as _op_def_pb2
# Needed to trigger the call to _set_call_cpp_shape_fn.
from tensorflow.python.framework import common_shapes as _common_shapes
from tensorflow.python.framework import op_def_registry as _op_def_registry
from tensorflow.python.framework import ops as _ops
from tensorflow.python.framework import op_def_library as _op_def_library
from tensorflow.python.util.tf_export import tf_export


_cudnn_rnn_outputs = ["output", "output_h", "output_c", "reserve_space"]
_CudnnRNNOutput = _collections.namedtuple(
    "CudnnRNN", _cudnn_rnn_outputs)


def cudnn_rnn(input, input_h, input_c, params, rnn_mode="lstm", input_mode="linear_input", direction="unidirectional", dropout=0, seed=0, seed2=0, is_training=True, name=None):
  r"""A RNN backed by cuDNN.

  Computes the RNN from the input and initial states, with respect to the params
  buffer.

  rnn_mode: Indicates the type of the RNN model.
  input_mode: Indicate whether there is a linear projection between the input and
    The actual computation before the first layer. 'skip_input' is only allowed
    when input_size == num_units; 'auto_select' implies 'skip_input' when
    input_size == num_units; otherwise, it implies 'linear_input'.
  direction: Indicates whether a bidirectional model will be used.
    dir = (direction == bidirectional) ? 2 : 1
  dropout: dropout probability. When set to 0., dropout is disabled.
  seed: the 1st part of a seed to initialize dropout.
  seed2: the 2nd part of a seed to initialize dropout.
  input: a 3-D tensor with the shape of [seq_length, batch_size, input_size].
  input_h: a 3-D tensor with the shape of [num_layer * dir, batch_size,
      num_units].
  input_c: For LSTM, a 3-D tensor with the shape of
      [num_layer * dir, batch, num_units]. For other models, it is ignored.
  params: a 1-D tensor that contains the weights and biases in an opaque layout.
      The size must be created through CudnnRNNParamsSize, and initialized
      separately. Note that they might not be compatible across different
      generations. So it is a good idea to save and restore
  output: a 3-D tensor with the shape of [seq_length, batch_size,
      dir * num_units].
  output_h: the same shape has input_h.
  output_c: the same shape as input_c for LSTM. An empty tensor for other models.
  is_training: Indicates whether this operation is used for inferenece or
    training.
  reserve_space: an opaque tensor that can be used in backprop calculation. It
    is only produced if is_training is false.

  Args:
    input: A `Tensor`. Must be one of the following types: `half`, `float32`, `float64`.
    input_h: A `Tensor`. Must have the same type as `input`.
    input_c: A `Tensor`. Must have the same type as `input`.
    params: A `Tensor`. Must have the same type as `input`.
    rnn_mode: An optional `string` from: `"rnn_relu", "rnn_tanh", "lstm", "gru"`. Defaults to `"lstm"`.
    input_mode: An optional `string` from: `"linear_input", "skip_input", "auto_select"`. Defaults to `"linear_input"`.
    direction: An optional `string` from: `"unidirectional", "bidirectional"`. Defaults to `"unidirectional"`.
    dropout: An optional `float`. Defaults to `0`.
    seed: An optional `int`. Defaults to `0`.
    seed2: An optional `int`. Defaults to `0`.
    is_training: An optional `bool`. Defaults to `True`.
    name: A name for the operation (optional).

  Returns:
    A tuple of `Tensor` objects (output, output_h, output_c, reserve_space).

    output: A `Tensor`. Has the same type as `input`.
    output_h: A `Tensor`. Has the same type as `input`.
    output_c: A `Tensor`. Has the same type as `input`.
    reserve_space: A `Tensor`. Has the same type as `input`.
  """
  _ctx = _context._context
  if _ctx is None or not _ctx._eager_context.is_eager:
    if rnn_mode is None:
      rnn_mode = "lstm"
    rnn_mode = _execute.make_str(rnn_mode, "rnn_mode")
    if input_mode is None:
      input_mode = "linear_input"
    input_mode = _execute.make_str(input_mode, "input_mode")
    if direction is None:
      direction = "unidirectional"
    direction = _execute.make_str(direction, "direction")
    if dropout is None:
      dropout = 0
    dropout = _execute.make_float(dropout, "dropout")
    if seed is None:
      seed = 0
    seed = _execute.make_int(seed, "seed")
    if seed2 is None:
      seed2 = 0
    seed2 = _execute.make_int(seed2, "seed2")
    if is_training is None:
      is_training = True
    is_training = _execute.make_bool(is_training, "is_training")
    _, _, _op = _op_def_lib._apply_op_helper(
        "CudnnRNN", input=input, input_h=input_h, input_c=input_c,
        params=params, rnn_mode=rnn_mode, input_mode=input_mode,
        direction=direction, dropout=dropout, seed=seed, seed2=seed2,
        is_training=is_training, name=name)
    _result = _op.outputs[:]
    _inputs_flat = _op.inputs
    _attrs = ("T", _op.get_attr("T"), "rnn_mode", _op.get_attr("rnn_mode"),
              "input_mode", _op.get_attr("input_mode"), "direction",
              _op.get_attr("direction"), "dropout", _op.get_attr("dropout"),
              "seed", _op.get_attr("seed"), "seed2", _op.get_attr("seed2"),
              "is_training", _op.get_attr("is_training"))
    _execute.record_gradient(
      "CudnnRNN", _inputs_flat, _attrs, _result, name)
    _result = _CudnnRNNOutput._make(_result)
    return _result

  else:
    try:
      _result = _pywrap_tensorflow.TFE_Py_FastPathExecute(
        _ctx._context_handle, _ctx._eager_context.device_name, "CudnnRNN",
        name, _ctx._post_execution_callbacks, input, input_h, input_c, params,
        "rnn_mode", rnn_mode, "input_mode", input_mode, "direction",
        direction, "dropout", dropout, "seed", seed, "seed2", seed2,
        "is_training", is_training)
      _result = _CudnnRNNOutput._make(_result)
      return _result
    except _core._FallbackException:
      return cudnn_rnn_eager_fallback(
          input, input_h, input_c, params, rnn_mode=rnn_mode,
          input_mode=input_mode, direction=direction, dropout=dropout,
          seed=seed, seed2=seed2, is_training=is_training, name=name,
          ctx=_ctx)
    except _core._NotOkStatusException as e:
      if name is not None:
        message = e.message + " name: " + name
      else:
        message = e.message
      _six.raise_from(_core._status_to_exception(e.code, message), None)


def cudnn_rnn_eager_fallback(input, input_h, input_c, params, rnn_mode="lstm", input_mode="linear_input", direction="unidirectional", dropout=0, seed=0, seed2=0, is_training=True, name=None, ctx=None):
  r"""This is the slowpath function for Eager mode.
  This is for function cudnn_rnn
  """
  _ctx = ctx if ctx else _context.context()
  if rnn_mode is None:
    rnn_mode = "lstm"
  rnn_mode = _execute.make_str(rnn_mode, "rnn_mode")
  if input_mode is None:
    input_mode = "linear_input"
  input_mode = _execute.make_str(input_mode, "input_mode")
  if direction is None:
    direction = "unidirectional"
  direction = _execute.make_str(direction, "direction")
  if dropout is None:
    dropout = 0
  dropout = _execute.make_float(dropout, "dropout")
  if seed is None:
    seed = 0
  seed = _execute.make_int(seed, "seed")
  if seed2 is None:
    seed2 = 0
  seed2 = _execute.make_int(seed2, "seed2")
  if is_training is None:
    is_training = True
  is_training = _execute.make_bool(is_training, "is_training")
  _attr_T, _inputs_T = _execute.args_to_matching_eager([input, input_h, input_c, params], _ctx)
  (input, input_h, input_c, params) = _inputs_T
  _inputs_flat = [input, input_h, input_c, params]
  _attrs = ("T", _attr_T, "rnn_mode", rnn_mode, "input_mode", input_mode,
  "direction", direction, "dropout", dropout, "seed", seed, "seed2", seed2,
  "is_training", is_training)
  _result = _execute.execute(b"CudnnRNN", 4, inputs=_inputs_flat,
                             attrs=_attrs, ctx=_ctx, name=name)
  _execute.record_gradient(
      "CudnnRNN", _inputs_flat, _attrs, _result, name)
  _result = _CudnnRNNOutput._make(_result)
  return _result


_cudnn_rnn_backprop_outputs = ["input_backprop", "input_h_backprop",
                              "input_c_backprop", "params_backprop"]
_CudnnRNNBackpropOutput = _collections.namedtuple(
    "CudnnRNNBackprop", _cudnn_rnn_backprop_outputs)


def cudnn_rnn_backprop(input, input_h, input_c, params, output, output_h, output_c, output_backprop, output_h_backprop, output_c_backprop, reserve_space, rnn_mode="lstm", input_mode="linear_input", direction="unidirectional", dropout=0, seed=0, seed2=0, name=None):
  r"""Backprop step of CudnnRNN.

  Compute the backprop of both data and weights in a RNN.

  rnn_mode: Indicates the type of the RNN model.
  input_mode: Indicate whether there is a linear projection between the input and
      The actual computation before the first layer. 'skip_input' is only allowed
      when input_size == num_units; 'auto_select' implies 'skip_input' when
      input_size == num_units; otherwise, it implies 'linear_input'.
  direction: Indicates whether a bidirectional model will be used.
      dir = (direction == bidirectional) ? 2 : 1
  dropout: dropout probability. When set to 0., dropout is disabled.
  seed: the 1st part of a seed to initialize dropout.
  seed2: the 2nd part of a seed to initialize dropout.
  input: a 3-D tensor with the shape of [seq_length, batch_size, input_size].
  input_h: a 3-D tensor with the shape of [num_layer * dir, batch_size,
      num_units].
  input_c: For LSTM, a 3-D tensor with the shape of
      [num_layer * dir, batch, num_units]. For other models, it is ignored.
  params: a 1-D tensor that contains the weights and biases in an opaque layout.
      The size must be created through CudnnRNNParamsSize, and initialized
      separately. Note that they might not be compatible across different
      generations. So it is a good idea to save and restore
  output: a 3-D tensor with the shape of [seq_length, batch_size,
      dir * num_units].
  output_h: the same shape has input_h.
  output_c: the same shape as input_c for LSTM. An empty tensor for other models.
  output_backprop: A 3-D tensor with the same shape as output in the forward pass.
  output_h_backprop: A 3-D tensor with the same shape as output_h in the forward
      pass.
  output_c_backprop: A 3-D tensor with the same shape as output_c in the forward
      pass.
  reserve_space: The same reserve_space produced in for forward operation.
  input_backprop: The backprop to input in the forward pass. Has the same shape
      as input.
  input_h_backprop: The backprop to input_h in the forward pass. Has the same
      shape as input_h.
  input_c_backprop: The backprop to input_c in the forward pass. Has the same
      shape as input_c.
  params_backprop: The backprop to the params buffer in the forward pass. Has the
      same shape as params.

  Args:
    input: A `Tensor`. Must be one of the following types: `half`, `float32`, `float64`.
    input_h: A `Tensor`. Must have the same type as `input`.
    input_c: A `Tensor`. Must have the same type as `input`.
    params: A `Tensor`. Must have the same type as `input`.
    output: A `Tensor`. Must have the same type as `input`.
    output_h: A `Tensor`. Must have the same type as `input`.
    output_c: A `Tensor`. Must have the same type as `input`.
    output_backprop: A `Tensor`. Must have the same type as `input`.
    output_h_backprop: A `Tensor`. Must have the same type as `input`.
    output_c_backprop: A `Tensor`. Must have the same type as `input`.
    reserve_space: A `Tensor`. Must have the same type as `input`.
    rnn_mode: An optional `string` from: `"rnn_relu", "rnn_tanh", "lstm", "gru"`. Defaults to `"lstm"`.
    input_mode: An optional `string` from: `"linear_input", "skip_input", "auto_select"`. Defaults to `"linear_input"`.
    direction: An optional `string` from: `"unidirectional", "bidirectional"`. Defaults to `"unidirectional"`.
    dropout: An optional `float`. Defaults to `0`.
    seed: An optional `int`. Defaults to `0`.
    seed2: An optional `int`. Defaults to `0`.
    name: A name for the operation (optional).

  Returns:
    A tuple of `Tensor` objects (input_backprop, input_h_backprop, input_c_backprop, params_backprop).

    input_backprop: A `Tensor`. Has the same type as `input`.
    input_h_backprop: A `Tensor`. Has the same type as `input`.
    input_c_backprop: A `Tensor`. Has the same type as `input`.
    params_backprop: A `Tensor`. Has the same type as `input`.
  """
  _ctx = _context._context
  if _ctx is None or not _ctx._eager_context.is_eager:
    if rnn_mode is None:
      rnn_mode = "lstm"
    rnn_mode = _execute.make_str(rnn_mode, "rnn_mode")
    if input_mode is None:
      input_mode = "linear_input"
    input_mode = _execute.make_str(input_mode, "input_mode")
    if direction is None:
      direction = "unidirectional"
    direction = _execute.make_str(direction, "direction")
    if dropout is None:
      dropout = 0
    dropout = _execute.make_float(dropout, "dropout")
    if seed is None:
      seed = 0
    seed = _execute.make_int(seed, "seed")
    if seed2 is None:
      seed2 = 0
    seed2 = _execute.make_int(seed2, "seed2")
    _, _, _op = _op_def_lib._apply_op_helper(
        "CudnnRNNBackprop", input=input, input_h=input_h, input_c=input_c,
        params=params, output=output, output_h=output_h, output_c=output_c,
        output_backprop=output_backprop, output_h_backprop=output_h_backprop,
        output_c_backprop=output_c_backprop, reserve_space=reserve_space,
        rnn_mode=rnn_mode, input_mode=input_mode, direction=direction,
        dropout=dropout, seed=seed, seed2=seed2, name=name)
    _result = _op.outputs[:]
    _inputs_flat = _op.inputs
    _attrs = ("T", _op.get_attr("T"), "rnn_mode", _op.get_attr("rnn_mode"),
              "input_mode", _op.get_attr("input_mode"), "direction",
              _op.get_attr("direction"), "dropout", _op.get_attr("dropout"),
              "seed", _op.get_attr("seed"), "seed2", _op.get_attr("seed2"))
    _execute.record_gradient(
      "CudnnRNNBackprop", _inputs_flat, _attrs, _result, name)
    _result = _CudnnRNNBackpropOutput._make(_result)
    return _result

  else:
    try:
      _result = _pywrap_tensorflow.TFE_Py_FastPathExecute(
        _ctx._context_handle, _ctx._eager_context.device_name,
        "CudnnRNNBackprop", name, _ctx._post_execution_callbacks, input,
        input_h, input_c, params, output, output_h, output_c, output_backprop,
        output_h_backprop, output_c_backprop, reserve_space, "rnn_mode",
        rnn_mode, "input_mode", input_mode, "direction", direction, "dropout",
        dropout, "seed", seed, "seed2", seed2)
      _result = _CudnnRNNBackpropOutput._make(_result)
      return _result
    except _core._FallbackException:
      return cudnn_rnn_backprop_eager_fallback(
          input, input_h, input_c, params, output, output_h, output_c,
          output_backprop, output_h_backprop, output_c_backprop,
          reserve_space, rnn_mode=rnn_mode, input_mode=input_mode,
          direction=direction, dropout=dropout, seed=seed, seed2=seed2,
          name=name, ctx=_ctx)
    except _core._NotOkStatusException as e:
      if name is not None:
        message = e.message + " name: " + name
      else:
        message = e.message
      _six.raise_from(_core._status_to_exception(e.code, message), None)


def cudnn_rnn_backprop_eager_fallback(input, input_h, input_c, params, output, output_h, output_c, output_backprop, output_h_backprop, output_c_backprop, reserve_space, rnn_mode="lstm", input_mode="linear_input", direction="unidirectional", dropout=0, seed=0, seed2=0, name=None, ctx=None):
  r"""This is the slowpath function for Eager mode.
  This is for function cudnn_rnn_backprop
  """
  _ctx = ctx if ctx else _context.context()
  if rnn_mode is None:
    rnn_mode = "lstm"
  rnn_mode = _execute.make_str(rnn_mode, "rnn_mode")
  if input_mode is None:
    input_mode = "linear_input"
  input_mode = _execute.make_str(input_mode, "input_mode")
  if direction is None:
    direction = "unidirectional"
  direction = _execute.make_str(direction, "direction")
  if dropout is None:
    dropout = 0
  dropout = _execute.make_float(dropout, "dropout")
  if seed is None:
    seed = 0
  seed = _execute.make_int(seed, "seed")
  if seed2 is None:
    seed2 = 0
  seed2 = _execute.make_int(seed2, "seed2")
  _attr_T, _inputs_T = _execute.args_to_matching_eager([input, input_h, input_c, params, output, output_h, output_c, output_backprop, output_h_backprop, output_c_backprop, reserve_space], _ctx)
  (input, input_h, input_c, params, output, output_h, output_c, output_backprop, output_h_backprop, output_c_backprop, reserve_space) = _inputs_T
  _inputs_flat = [input, input_h, input_c, params, output, output_h, output_c, output_backprop, output_h_backprop, output_c_backprop, reserve_space]
  _attrs = ("T", _attr_T, "rnn_mode", rnn_mode, "input_mode", input_mode,
  "direction", direction, "dropout", dropout, "seed", seed, "seed2", seed2)
  _result = _execute.execute(b"CudnnRNNBackprop", 4, inputs=_inputs_flat,
                             attrs=_attrs, ctx=_ctx, name=name)
  _execute.record_gradient(
      "CudnnRNNBackprop", _inputs_flat, _attrs, _result, name)
  _result = _CudnnRNNBackpropOutput._make(_result)
  return _result


def cudnn_rnn_canonical_to_params(num_layers, num_units, input_size, weights, biases, rnn_mode="lstm", input_mode="linear_input", direction="unidirectional", dropout=0, seed=0, seed2=0, name=None):
  r"""Converts CudnnRNN params from canonical form to usable form.

  Writes a set of weights into the opaque params buffer so they can be used in
  upcoming training or inferences.

  Note that the params buffer may not be compatible across different GPUs. So any
  save and restoration should be converted to and from the canonical weights and
  biases.

  num_layers: Specifies the number of layers in the RNN model.
  num_units: Specifies the size of the hidden state.
  input_size: Specifies the size of the input state.
  weights: the canonical form of weights that can be used for saving
      and restoration. They are more likely to be compatible across different
      generations.
  biases: the canonical form of biases that can be used for saving
      and restoration. They are more likely to be compatible across different
      generations.
  num_params: number of parameter sets for all layers.
      Each layer may contain multiple parameter sets, with each set consisting of
      a weight matrix and a bias vector.
  rnn_mode: Indicates the type of the RNN model.
  input_mode: Indicate whether there is a linear projection between the input and
      The actual computation before the first layer. 'skip_input' is only allowed
      when input_size == num_units; 'auto_select' implies 'skip_input' when
      input_size == num_units; otherwise, it implies 'linear_input'.
  direction: Indicates whether a bidirectional model will be used.
      dir = (direction == bidirectional) ? 2 : 1
  dropout: dropout probability. When set to 0., dropout is disabled.
  seed: the 1st part of a seed to initialize dropout.
  seed2: the 2nd part of a seed to initialize dropout.

  Args:
    num_layers: A `Tensor` of type `int32`.
    num_units: A `Tensor` of type `int32`.
    input_size: A `Tensor` of type `int32`.
    weights: A list of at least 1 `Tensor` objects with the same type in: `half`, `float32`, `float64`.
    biases: A list with the same length as `weights` of `Tensor` objects with the same type as `weights`.
    rnn_mode: An optional `string` from: `"rnn_relu", "rnn_tanh", "lstm", "gru"`. Defaults to `"lstm"`.
    input_mode: An optional `string` from: `"linear_input", "skip_input", "auto_select"`. Defaults to `"linear_input"`.
    direction: An optional `string` from: `"unidirectional", "bidirectional"`. Defaults to `"unidirectional"`.
    dropout: An optional `float`. Defaults to `0`.
    seed: An optional `int`. Defaults to `0`.
    seed2: An optional `int`. Defaults to `0`.
    name: A name for the operation (optional).

  Returns:
    A `Tensor`. Has the same type as `weights`.
  """
  _ctx = _context._context
  if _ctx is None or not _ctx._eager_context.is_eager:
    if not isinstance(weights, (list, tuple)):
      raise TypeError(
          "Expected list for 'weights' argument to "
          "'cudnn_rnn_canonical_to_params' Op, not %r." % weights)
    _attr_num_params = len(weights)
    if not isinstance(biases, (list, tuple)):
      raise TypeError(
          "Expected list for 'biases' argument to "
          "'cudnn_rnn_canonical_to_params' Op, not %r." % biases)
    if len(biases) != _attr_num_params:
      raise ValueError(
          "List argument 'biases' to 'cudnn_rnn_canonical_to_params' Op with length %d "
          "must match length %d of argument 'weights'." %
          (len(biases), _attr_num_params))
    if rnn_mode is None:
      rnn_mode = "lstm"
    rnn_mode = _execute.make_str(rnn_mode, "rnn_mode")
    if input_mode is None:
      input_mode = "linear_input"
    input_mode = _execute.make_str(input_mode, "input_mode")
    if direction is None:
      direction = "unidirectional"
    direction = _execute.make_str(direction, "direction")
    if dropout is None:
      dropout = 0
    dropout = _execute.make_float(dropout, "dropout")
    if seed is None:
      seed = 0
    seed = _execute.make_int(seed, "seed")
    if seed2 is None:
      seed2 = 0
    seed2 = _execute.make_int(seed2, "seed2")
    _, _, _op = _op_def_lib._apply_op_helper(
        "CudnnRNNCanonicalToParams", num_layers=num_layers,
        num_units=num_units, input_size=input_size, weights=weights,
        biases=biases, rnn_mode=rnn_mode, input_mode=input_mode,
        direction=direction, dropout=dropout, seed=seed, seed2=seed2,
        name=name)
    _result = _op.outputs[:]
    _inputs_flat = _op.inputs
    _attrs = ("T", _op.get_attr("T"), "num_params",
              _op.get_attr("num_params"), "rnn_mode",
              _op.get_attr("rnn_mode"), "input_mode",
              _op.get_attr("input_mode"), "direction",
              _op.get_attr("direction"), "dropout", _op.get_attr("dropout"),
              "seed", _op.get_attr("seed"), "seed2", _op.get_attr("seed2"))
    _execute.record_gradient(
      "CudnnRNNCanonicalToParams", _inputs_flat, _attrs, _result, name)
    _result, = _result
    return _result

  else:
    try:
      _result = _pywrap_tensorflow.TFE_Py_FastPathExecute(
        _ctx._context_handle, _ctx._eager_context.device_name,
        "CudnnRNNCanonicalToParams", name, _ctx._post_execution_callbacks,
        num_layers, num_units, input_size, weights, biases, "rnn_mode",
        rnn_mode, "input_mode", input_mode, "direction", direction, "dropout",
        dropout, "seed", seed, "seed2", seed2)
      return _result
    except _core._FallbackException:
      return cudnn_rnn_canonical_to_params_eager_fallback(
          num_layers, num_units, input_size, weights, biases,
          rnn_mode=rnn_mode, input_mode=input_mode, direction=direction,
          dropout=dropout, seed=seed, seed2=seed2, name=name, ctx=_ctx)
    except _core._NotOkStatusException as e:
      if name is not None:
        message = e.message + " name: " + name
      else:
        message = e.message
      _six.raise_from(_core._status_to_exception(e.code, message), None)


def cudnn_rnn_canonical_to_params_eager_fallback(num_layers, num_units, input_size, weights, biases, rnn_mode="lstm", input_mode="linear_input", direction="unidirectional", dropout=0, seed=0, seed2=0, name=None, ctx=None):
  r"""This is the slowpath function for Eager mode.
  This is for function cudnn_rnn_canonical_to_params
  """
  _ctx = ctx if ctx else _context.context()
  if not isinstance(weights, (list, tuple)):
    raise TypeError(
        "Expected list for 'weights' argument to "
        "'cudnn_rnn_canonical_to_params' Op, not %r." % weights)
  _attr_num_params = len(weights)
  if not isinstance(biases, (list, tuple)):
    raise TypeError(
        "Expected list for 'biases' argument to "
        "'cudnn_rnn_canonical_to_params' Op, not %r." % biases)
  if len(biases) != _attr_num_params:
    raise ValueError(
        "List argument 'biases' to 'cudnn_rnn_canonical_to_params' Op with length %d "
        "must match length %d of argument 'weights'." %
        (len(biases), _attr_num_params))
  if rnn_mode is None:
    rnn_mode = "lstm"
  rnn_mode = _execute.make_str(rnn_mode, "rnn_mode")
  if input_mode is None:
    input_mode = "linear_input"
  input_mode = _execute.make_str(input_mode, "input_mode")
  if direction is None:
    direction = "unidirectional"
  direction = _execute.make_str(direction, "direction")
  if dropout is None:
    dropout = 0
  dropout = _execute.make_float(dropout, "dropout")
  if seed is None:
    seed = 0
  seed = _execute.make_int(seed, "seed")
  if seed2 is None:
    seed2 = 0
  seed2 = _execute.make_int(seed2, "seed2")
  _attr_T, _inputs_T = _execute.args_to_matching_eager(list(weights) + list(biases), _ctx)
  _inputs_T = [_inputs_T[:_attr_num_params]] + _inputs_T[_attr_num_params:]
  _inputs_T = _inputs_T[:1] + [_inputs_T[1:]]
  (weights, biases) = _inputs_T
  num_layers = _ops.convert_to_tensor(num_layers, _dtypes.int32)
  num_units = _ops.convert_to_tensor(num_units, _dtypes.int32)
  input_size = _ops.convert_to_tensor(input_size, _dtypes.int32)
  _inputs_flat = [num_layers, num_units, input_size] + list(weights) + list(biases)
  _attrs = ("T", _attr_T, "num_params", _attr_num_params, "rnn_mode",
  rnn_mode, "input_mode", input_mode, "direction", direction, "dropout",
  dropout, "seed", seed, "seed2", seed2)
  _result = _execute.execute(b"CudnnRNNCanonicalToParams", 1,
                             inputs=_inputs_flat, attrs=_attrs, ctx=_ctx,
                             name=name)
  _execute.record_gradient(
      "CudnnRNNCanonicalToParams", _inputs_flat, _attrs, _result, name)
  _result, = _result
  return _result


def cudnn_rnn_params_size(num_layers, num_units, input_size, T, S, rnn_mode="lstm", input_mode="linear_input", direction="unidirectional", dropout=0, seed=0, seed2=0, name=None):
  r"""Computes size of weights that can be used by a Cudnn RNN model.

  Return the params size that can be used by the Cudnn RNN model. Subsequent
  weight allocation and initialization should use this size.

  num_layers: Specifies the number of layers in the RNN model.
  num_units: Specifies the size of the hidden state.
  input_size: Specifies the size of the input state.
  rnn_mode: Indicates the type of the RNN model.
  input_mode: Indicate whether there is a linear projection between the input and
    The actual computation before the first layer. 'skip_input' is only allowed
    when input_size == num_units; 'auto_select' implies 'skip_input' when
    input_size == num_units; otherwise, it implies 'linear_input'.
  direction: Indicates whether a bidirectional model will be used.
    dir = (direction == bidirectional) ? 2 : 1
  dropout: dropout probability. When set to 0., dropout is disabled.
  seed: the 1st part of a seed to initialize dropout.
  seed2: the 2nd part of a seed to initialize dropout.
  params_size: The size of the params buffer that should be allocated and
    initialized for this RNN model. Note that this params buffer may not be
    compatible across GPUs. Please use CudnnRNNParamsWeights and
    CudnnRNNParamsBiases to save and restore them in a way that is compatible
    across different runs.

  Args:
    num_layers: A `Tensor` of type `int32`.
    num_units: A `Tensor` of type `int32`.
    input_size: A `Tensor` of type `int32`.
    T: A `tf.DType` from: `tf.half, tf.float32, tf.float64`.
    S: A `tf.DType` from: `tf.int32, tf.int64`.
    rnn_mode: An optional `string` from: `"rnn_relu", "rnn_tanh", "lstm", "gru"`. Defaults to `"lstm"`.
    input_mode: An optional `string` from: `"linear_input", "skip_input", "auto_select"`. Defaults to `"linear_input"`.
    direction: An optional `string` from: `"unidirectional", "bidirectional"`. Defaults to `"unidirectional"`.
    dropout: An optional `float`. Defaults to `0`.
    seed: An optional `int`. Defaults to `0`.
    seed2: An optional `int`. Defaults to `0`.
    name: A name for the operation (optional).

  Returns:
    A `Tensor` of type `S`.
  """
  _ctx = _context._context
  if _ctx is None or not _ctx._eager_context.is_eager:
    T = _execute.make_type(T, "T")
    S = _execute.make_type(S, "S")
    if rnn_mode is None:
      rnn_mode = "lstm"
    rnn_mode = _execute.make_str(rnn_mode, "rnn_mode")
    if input_mode is None:
      input_mode = "linear_input"
    input_mode = _execute.make_str(input_mode, "input_mode")
    if direction is None:
      direction = "unidirectional"
    direction = _execute.make_str(direction, "direction")
    if dropout is None:
      dropout = 0
    dropout = _execute.make_float(dropout, "dropout")
    if seed is None:
      seed = 0
    seed = _execute.make_int(seed, "seed")
    if seed2 is None:
      seed2 = 0
    seed2 = _execute.make_int(seed2, "seed2")
    _, _, _op = _op_def_lib._apply_op_helper(
        "CudnnRNNParamsSize", num_layers=num_layers, num_units=num_units,
        input_size=input_size, T=T, S=S, rnn_mode=rnn_mode,
        input_mode=input_mode, direction=direction, dropout=dropout,
        seed=seed, seed2=seed2, name=name)
    _result = _op.outputs[:]
    _inputs_flat = _op.inputs
    _attrs = ("T", _op.get_attr("T"), "S", _op.get_attr("S"), "rnn_mode",
              _op.get_attr("rnn_mode"), "input_mode",
              _op.get_attr("input_mode"), "direction",
              _op.get_attr("direction"), "dropout", _op.get_attr("dropout"),
              "seed", _op.get_attr("seed"), "seed2", _op.get_attr("seed2"))
    _execute.record_gradient(
      "CudnnRNNParamsSize", _inputs_flat, _attrs, _result, name)
    _result, = _result
    return _result

  else:
    try:
      _result = _pywrap_tensorflow.TFE_Py_FastPathExecute(
        _ctx._context_handle, _ctx._eager_context.device_name,
        "CudnnRNNParamsSize", name, _ctx._post_execution_callbacks,
        num_layers, num_units, input_size, "T", T, "S", S, "rnn_mode",
        rnn_mode, "input_mode", input_mode, "direction", direction, "dropout",
        dropout, "seed", seed, "seed2", seed2)
      return _result
    except _core._FallbackException:
      return cudnn_rnn_params_size_eager_fallback(
          num_layers, num_units, input_size, T=T, S=S, rnn_mode=rnn_mode,
          input_mode=input_mode, direction=direction, dropout=dropout,
          seed=seed, seed2=seed2, name=name, ctx=_ctx)
    except _core._NotOkStatusException as e:
      if name is not None:
        message = e.message + " name: " + name
      else:
        message = e.message
      _six.raise_from(_core._status_to_exception(e.code, message), None)


def cudnn_rnn_params_size_eager_fallback(num_layers, num_units, input_size, T, S, rnn_mode="lstm", input_mode="linear_input", direction="unidirectional", dropout=0, seed=0, seed2=0, name=None, ctx=None):
  r"""This is the slowpath function for Eager mode.
  This is for function cudnn_rnn_params_size
  """
  _ctx = ctx if ctx else _context.context()
  T = _execute.make_type(T, "T")
  S = _execute.make_type(S, "S")
  if rnn_mode is None:
    rnn_mode = "lstm"
  rnn_mode = _execute.make_str(rnn_mode, "rnn_mode")
  if input_mode is None:
    input_mode = "linear_input"
  input_mode = _execute.make_str(input_mode, "input_mode")
  if direction is None:
    direction = "unidirectional"
  direction = _execute.make_str(direction, "direction")
  if dropout is None:
    dropout = 0
  dropout = _execute.make_float(dropout, "dropout")
  if seed is None:
    seed = 0
  seed = _execute.make_int(seed, "seed")
  if seed2 is None:
    seed2 = 0
  seed2 = _execute.make_int(seed2, "seed2")
  num_layers = _ops.convert_to_tensor(num_layers, _dtypes.int32)
  num_units = _ops.convert_to_tensor(num_units, _dtypes.int32)
  input_size = _ops.convert_to_tensor(input_size, _dtypes.int32)
  _inputs_flat = [num_layers, num_units, input_size]
  _attrs = ("T", T, "S", S, "rnn_mode", rnn_mode, "input_mode", input_mode,
  "direction", direction, "dropout", dropout, "seed", seed, "seed2", seed2)
  _result = _execute.execute(b"CudnnRNNParamsSize", 1, inputs=_inputs_flat,
                             attrs=_attrs, ctx=_ctx, name=name)
  _execute.record_gradient(
      "CudnnRNNParamsSize", _inputs_flat, _attrs, _result, name)
  _result, = _result
  return _result


_cudnn_rnn_params_to_canonical_outputs = ["weights", "biases"]
_CudnnRNNParamsToCanonicalOutput = _collections.namedtuple(
    "CudnnRNNParamsToCanonical", _cudnn_rnn_params_to_canonical_outputs)


def cudnn_rnn_params_to_canonical(num_layers, num_units, input_size, params, num_params, rnn_mode="lstm", input_mode="linear_input", direction="unidirectional", dropout=0, seed=0, seed2=0, name=None):
  r"""Retrieves CudnnRNN params in canonical form.

  Retrieves a set of weights from the opaque params buffer that can be saved and
  restored in a way compatible with future runs.

  Note that the params buffer may not be compatible across different GPUs. So any
  save and restoration should be converted to and from the canonical weights and
  biases.

  num_layers: Specifies the number of layers in the RNN model.
  num_units: Specifies the size of the hidden state.
  input_size: Specifies the size of the input state.
  num_params: number of parameter sets for all layers.
      Each layer may contain multiple parameter sets, with each set consisting of
      a weight matrix and a bias vector.
  weights: the canonical form of weights that can be used for saving
      and restoration. They are more likely to be compatible across different
      generations.
  biases: the canonical form of biases that can be used for saving
      and restoration. They are more likely to be compatible across different
      generations.
  rnn_mode: Indicates the type of the RNN model.
  input_mode: Indicate whether there is a linear projection between the input and
      The actual computation before the first layer. 'skip_input' is only allowed
      when input_size == num_units; 'auto_select' implies 'skip_input' when
      input_size == num_units; otherwise, it implies 'linear_input'.
  direction: Indicates whether a bidirectional model will be used.
      dir = (direction == bidirectional) ? 2 : 1
  dropout: dropout probability. When set to 0., dropout is disabled.
  seed: the 1st part of a seed to initialize dropout.
  seed2: the 2nd part of a seed to initialize dropout.

  Args:
    num_layers: A `Tensor` of type `int32`.
    num_units: A `Tensor` of type `int32`.
    input_size: A `Tensor` of type `int32`.
    params: A `Tensor`. Must be one of the following types: `half`, `float32`, `float64`.
    num_params: An `int` that is `>= 1`.
    rnn_mode: An optional `string` from: `"rnn_relu", "rnn_tanh", "lstm", "gru"`. Defaults to `"lstm"`.
    input_mode: An optional `string` from: `"linear_input", "skip_input", "auto_select"`. Defaults to `"linear_input"`.
    direction: An optional `string` from: `"unidirectional", "bidirectional"`. Defaults to `"unidirectional"`.
    dropout: An optional `float`. Defaults to `0`.
    seed: An optional `int`. Defaults to `0`.
    seed2: An optional `int`. Defaults to `0`.
    name: A name for the operation (optional).

  Returns:
    A tuple of `Tensor` objects (weights, biases).

    weights: A list of `num_params` `Tensor` objects with the same type as `params`.
    biases: A list of `num_params` `Tensor` objects with the same type as `params`.
  """
  _ctx = _context._context
  if _ctx is None or not _ctx._eager_context.is_eager:
    num_params = _execute.make_int(num_params, "num_params")
    if rnn_mode is None:
      rnn_mode = "lstm"
    rnn_mode = _execute.make_str(rnn_mode, "rnn_mode")
    if input_mode is None:
      input_mode = "linear_input"
    input_mode = _execute.make_str(input_mode, "input_mode")
    if direction is None:
      direction = "unidirectional"
    direction = _execute.make_str(direction, "direction")
    if dropout is None:
      dropout = 0
    dropout = _execute.make_float(dropout, "dropout")
    if seed is None:
      seed = 0
    seed = _execute.make_int(seed, "seed")
    if seed2 is None:
      seed2 = 0
    seed2 = _execute.make_int(seed2, "seed2")
    _, _, _op = _op_def_lib._apply_op_helper(
        "CudnnRNNParamsToCanonical", num_layers=num_layers,
        num_units=num_units, input_size=input_size, params=params,
        num_params=num_params, rnn_mode=rnn_mode, input_mode=input_mode,
        direction=direction, dropout=dropout, seed=seed, seed2=seed2,
        name=name)
    _result = _op.outputs[:]
    _inputs_flat = _op.inputs
    _attrs = ("T", _op.get_attr("T"), "num_params",
              _op.get_attr("num_params"), "rnn_mode",
              _op.get_attr("rnn_mode"), "input_mode",
              _op.get_attr("input_mode"), "direction",
              _op.get_attr("direction"), "dropout", _op.get_attr("dropout"),
              "seed", _op.get_attr("seed"), "seed2", _op.get_attr("seed2"))
    _execute.record_gradient(
      "CudnnRNNParamsToCanonical", _inputs_flat, _attrs, _result, name)
    _result = [_result[:num_params]] + _result[num_params:]
    _result = _result[:1] + [_result[1:]]
    _result = _CudnnRNNParamsToCanonicalOutput._make(_result)
    return _result

  else:
    try:
      _result = _pywrap_tensorflow.TFE_Py_FastPathExecute(
        _ctx._context_handle, _ctx._eager_context.device_name,
        "CudnnRNNParamsToCanonical", name, _ctx._post_execution_callbacks,
        num_layers, num_units, input_size, params, "num_params", num_params,
        "rnn_mode", rnn_mode, "input_mode", input_mode, "direction",
        direction, "dropout", dropout, "seed", seed, "seed2", seed2)
      _result = _CudnnRNNParamsToCanonicalOutput._make(_result)
      return _result
    except _core._FallbackException:
      return cudnn_rnn_params_to_canonical_eager_fallback(
          num_layers, num_units, input_size, params, num_params=num_params,
          rnn_mode=rnn_mode, input_mode=input_mode, direction=direction,
          dropout=dropout, seed=seed, seed2=seed2, name=name, ctx=_ctx)
    except _core._NotOkStatusException as e:
      if name is not None:
        message = e.message + " name: " + name
      else:
        message = e.message
      _six.raise_from(_core._status_to_exception(e.code, message), None)


def cudnn_rnn_params_to_canonical_eager_fallback(num_layers, num_units, input_size, params, num_params, rnn_mode="lstm", input_mode="linear_input", direction="unidirectional", dropout=0, seed=0, seed2=0, name=None, ctx=None):
  r"""This is the slowpath function for Eager mode.
  This is for function cudnn_rnn_params_to_canonical
  """
  _ctx = ctx if ctx else _context.context()
  num_params = _execute.make_int(num_params, "num_params")
  if rnn_mode is None:
    rnn_mode = "lstm"
  rnn_mode = _execute.make_str(rnn_mode, "rnn_mode")
  if input_mode is None:
    input_mode = "linear_input"
  input_mode = _execute.make_str(input_mode, "input_mode")
  if direction is None:
    direction = "unidirectional"
  direction = _execute.make_str(direction, "direction")
  if dropout is None:
    dropout = 0
  dropout = _execute.make_float(dropout, "dropout")
  if seed is None:
    seed = 0
  seed = _execute.make_int(seed, "seed")
  if seed2 is None:
    seed2 = 0
  seed2 = _execute.make_int(seed2, "seed2")
  _attr_T, (params,) = _execute.args_to_matching_eager([params], _ctx)
  num_layers = _ops.convert_to_tensor(num_layers, _dtypes.int32)
  num_units = _ops.convert_to_tensor(num_units, _dtypes.int32)
  input_size = _ops.convert_to_tensor(input_size, _dtypes.int32)
  _inputs_flat = [num_layers, num_units, input_size, params]
  _attrs = ("T", _attr_T, "num_params", num_params, "rnn_mode", rnn_mode,
  "input_mode", input_mode, "direction", direction, "dropout", dropout,
  "seed", seed, "seed2", seed2)
  _result = _execute.execute(b"CudnnRNNParamsToCanonical", num_params +
                             num_params, inputs=_inputs_flat, attrs=_attrs,
                             ctx=_ctx, name=name)
  _execute.record_gradient(
      "CudnnRNNParamsToCanonical", _inputs_flat, _attrs, _result, name)
  _result = [_result[:num_params]] + _result[num_params:]
  _result = _result[:1] + [_result[1:]]
  _result = _CudnnRNNParamsToCanonicalOutput._make(_result)
  return _result

def _InitOpDefLibrary(op_list_proto_bytes):
  op_list = _op_def_pb2.OpList()
  op_list.ParseFromString(op_list_proto_bytes)
  _op_def_registry.register_op_list(op_list)
  op_def_lib = _op_def_library.OpDefLibrary()
  op_def_lib.add_op_list(op_list)
  return op_def_lib
# op {
#   name: "CudnnRNN"
#   input_arg {
#     name: "input"
#     type_attr: "T"
#   }
#   input_arg {
#     name: "input_h"
#     type_attr: "T"
#   }
#   input_arg {
#     name: "input_c"
#     type_attr: "T"
#   }
#   input_arg {
#     name: "params"
#     type_attr: "T"
#   }
#   output_arg {
#     name: "output"
#     type_attr: "T"
#   }
#   output_arg {
#     name: "output_h"
#     type_attr: "T"
#   }
#   output_arg {
#     name: "output_c"
#     type_attr: "T"
#   }
#   output_arg {
#     name: "reserve_space"
#     type_attr: "T"
#   }
#   attr {
#     name: "T"
#     type: "type"
#     allowed_values {
#       list {
#         type: DT_HALF
#         type: DT_FLOAT
#         type: DT_DOUBLE
#       }
#     }
#   }
#   attr {
#     name: "rnn_mode"
#     type: "string"
#     default_value {
#       s: "lstm"
#     }
#     allowed_values {
#       list {
#         s: "rnn_relu"
#         s: "rnn_tanh"
#         s: "lstm"
#         s: "gru"
#       }
#     }
#   }
#   attr {
#     name: "input_mode"
#     type: "string"
#     default_value {
#       s: "linear_input"
#     }
#     allowed_values {
#       list {
#         s: "linear_input"
#         s: "skip_input"
#         s: "auto_select"
#       }
#     }
#   }
#   attr {
#     name: "direction"
#     type: "string"
#     default_value {
#       s: "unidirectional"
#     }
#     allowed_values {
#       list {
#         s: "unidirectional"
#         s: "bidirectional"
#       }
#     }
#   }
#   attr {
#     name: "dropout"
#     type: "float"
#     default_value {
#       f: 0
#     }
#   }
#   attr {
#     name: "seed"
#     type: "int"
#     default_value {
#       i: 0
#     }
#   }
#   attr {
#     name: "seed2"
#     type: "int"
#     default_value {
#       i: 0
#     }
#   }
#   attr {
#     name: "is_training"
#     type: "bool"
#     default_value {
#       b: true
#     }
#   }
#   is_stateful: true
# }
# op {
#   name: "CudnnRNNBackprop"
#   input_arg {
#     name: "input"
#     type_attr: "T"
#   }
#   input_arg {
#     name: "input_h"
#     type_attr: "T"
#   }
#   input_arg {
#     name: "input_c"
#     type_attr: "T"
#   }
#   input_arg {
#     name: "params"
#     type_attr: "T"
#   }
#   input_arg {
#     name: "output"
#     type_attr: "T"
#   }
#   input_arg {
#     name: "output_h"
#     type_attr: "T"
#   }
#   input_arg {
#     name: "output_c"
#     type_attr: "T"
#   }
#   input_arg {
#     name: "output_backprop"
#     type_attr: "T"
#   }
#   input_arg {
#     name: "output_h_backprop"
#     type_attr: "T"
#   }
#   input_arg {
#     name: "output_c_backprop"
#     type_attr: "T"
#   }
#   input_arg {
#     name: "reserve_space"
#     type_attr: "T"
#   }
#   output_arg {
#     name: "input_backprop"
#     type_attr: "T"
#   }
#   output_arg {
#     name: "input_h_backprop"
#     type_attr: "T"
#   }
#   output_arg {
#     name: "input_c_backprop"
#     type_attr: "T"
#   }
#   output_arg {
#     name: "params_backprop"
#     type_attr: "T"
#   }
#   attr {
#     name: "T"
#     type: "type"
#     allowed_values {
#       list {
#         type: DT_HALF
#         type: DT_FLOAT
#         type: DT_DOUBLE
#       }
#     }
#   }
#   attr {
#     name: "rnn_mode"
#     type: "string"
#     default_value {
#       s: "lstm"
#     }
#     allowed_values {
#       list {
#         s: "rnn_relu"
#         s: "rnn_tanh"
#         s: "lstm"
#         s: "gru"
#       }
#     }
#   }
#   attr {
#     name: "input_mode"
#     type: "string"
#     default_value {
#       s: "linear_input"
#     }
#     allowed_values {
#       list {
#         s: "linear_input"
#         s: "skip_input"
#         s: "auto_select"
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