TF_Tensor* tensor_1X1X6 = Int32Tensor({1, 1, 6});
  CHECK_EQ(TF_OK, TF_GetCode(status_)) << TF_Message(status_);

  TFE_Op* reshape_op = TFE_NewOp(tfe_context_, "Reshape", status_);
  CHECK_EQ(TF_OK, TF_GetCode(status_)) << TF_Message(status_);
  TFE_OpSetAttrType(reshape_op, "T", TF_FLOAT);
  TFE_OpSetAttrType(reshape_op, "Tshape", TF_INT32);
  CheckOutputShapes(reshape_op,

    *   Add `tf.contrib.distributions.bijectors.Permute`.
    *   Add `tf.contrib.distributions.bijectors.Gumbel`.
    *   Add `tf.contrib.distributions.bijectors.Reshape`.
    *   Support shape inference (i.e., shapes containing -1) in the Reshape
        bijector.
*   Add `streaming_precision_recall_at_equal_thresholds,` a method for computing
    streaming precision and recall with `O(num_thresholds + size of