1/* Copyright 2016 The TensorFlow Authors. All Rights Reserved.
2
3Licensed under the Apache License, Version 2.0 (the "License");
4you may not use this file except in compliance with the License.
5You may obtain a copy of the License at
6
7 http://www.apache.org/licenses/LICENSE-2.0
8
9Unless required by applicable law or agreed to in writing, software
10distributed under the License is distributed on an "AS IS" BASIS,
11WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12See the License for the specific language governing permissions and
13limitations under the License.
14==============================================================================*/
15
16#ifndef TENSORFLOW_CORE_KERNELS_SPARSE_TENSOR_DENSE_ADD_OP_H_
17#define TENSORFLOW_CORE_KERNELS_SPARSE_TENSOR_DENSE_ADD_OP_H_
18
19#include "third_party/eigen3/unsupported/Eigen/CXX11/Tensor"
20#include "tensorflow/core/framework/tensor_types.h"
21#include "tensorflow/core/framework/types.h"
22#include "tensorflow/core/kernels/scatter_functor.h"
23
24namespace tensorflow {
25namespace functor {
26
27// TODO(zongheng): this should be a general functor that powers SparseAdd and
28// ScatterNd ops. It should be moved to its own head file, once the other ops
29// are implemented.
30template <typename Device, typename T, typename Index, int NDIMS,
31 scatter_op::UpdateOp op>
32struct ScatterNdFunctor {
33 // Returns -1 on success or a nonnegative i s.t. indices[i] is a bad index.
34 Index operator()(const Device& d, typename TTypes<Index>::ConstMatrix indices,
35 typename TTypes<T>::ConstFlat updates,
36 typename TTypes<T, NDIMS>::Tensor out);
37};
38
39} // namespace functor
40} // namespace tensorflow
41
42#endif // TENSORFLOW_CORE_KERNELS_SPARSE_TENSOR_DENSE_ADD_OP_H_
43