1 /* Copyright 2018 The TensorFlow Authors. All Rights Reserved.
2 
3 Licensed under the Apache License, Version 2.0 (the "License");
4 you may not use this file except in compliance with the License.
5 You may obtain a copy of the License at
6 
7     http://www.apache.org/licenses/LICENSE-2.0
8 
9 Unless required by applicable law or agreed to in writing, software
10 distributed under the License is distributed on an "AS IS" BASIS,
11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 See the License for the specific language governing permissions and
13 limitations under the License.
14 ==============================================================================*/
15 
16 #ifndef TENSORFLOW_CORE_GRAPPLER_OPTIMIZERS_DATA_VECTORIZATION_WRAPPED_TENSOR_H_
17 #define TENSORFLOW_CORE_GRAPPLER_OPTIMIZERS_DATA_VECTORIZATION_WRAPPED_TENSOR_H_
18 
19 #include "tensorflow/core/graph/graph.h"
20 
21 namespace tensorflow {
22 namespace grappler {
23 
24 // Represents a tensor that has been vectorized.
25 struct WrappedTensor {
26   Node* const node;
27   const int output_index;
28 
29   // Whether the tensor is stacked, i.e. represents the results of applying
30   // the operation on all slices of the input, where each row i of the
31   // tensor corresponds to the op's output on slice i of the input. False
32   // if the tensor is not stacked, i.e. represents the result of the op on
33   // a single slice of the input, where the result does not vary between
34   // slices.
35   bool stacked;
36 
WrappedTensorWrappedTensor37   WrappedTensor(Node* node, int output_index, bool stacked)
38       : node(node), output_index(output_index), stacked(stacked) {}
39 };
40 
41 }  // namespace grappler
42 }  // namespace tensorflow
43 
44 #endif  // TENSORFLOW_CORE_GRAPPLER_OPTIMIZERS_DATA_VECTORIZATION_WRAPPED_TENSOR_H_
45