1 | /* Copyright 2015 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_KERNELS_CONSTANT_OP_H_ |
17 | #define TENSORFLOW_CORE_KERNELS_CONSTANT_OP_H_ |
18 | |
19 | #include "third_party/eigen3/unsupported/Eigen/CXX11/Tensor" |
20 | #include "tensorflow/core/framework/op_kernel.h" |
21 | #include "tensorflow/core/framework/tensor_types.h" |
22 | #include "tensorflow/core/platform/macros.h" |
23 | |
24 | namespace tensorflow { |
25 | |
26 | // ConstantOp returns a tensor specified by ConstantOpDef. |
27 | class ConstantOp : public OpKernel { |
28 | public: |
29 | explicit ConstantOp(OpKernelConstruction* ctx); |
30 | void Compute(OpKernelContext* ctx) override; |
31 | bool IsExpensive() override { return false; } |
32 | const Tensor* const_tensor() const override { return &tensor_; }; |
33 | ~ConstantOp() override; |
34 | |
35 | private: |
36 | Tensor tensor_; |
37 | TF_DISALLOW_COPY_AND_ASSIGN(ConstantOp); |
38 | }; |
39 | |
40 | class PlaceholderOp : public OpKernel { |
41 | public: |
42 | explicit PlaceholderOp(OpKernelConstruction* ctx); |
43 | void Compute(OpKernelContext* ctx) override; |
44 | |
45 | private: |
46 | PartialTensorShape expected_shape_; |
47 | }; |
48 | |
49 | } // namespace tensorflow |
50 | |
51 | #endif // TENSORFLOW_CORE_KERNELS_CONSTANT_OP_H_ |
52 |