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_ARGMAX_OP_H_ |
17 | #define TENSORFLOW_CORE_KERNELS_ARGMAX_OP_H_ |
18 | // Generator definition for ArgMaxOp, must be compilable by nvcc. |
19 | |
20 | #include "third_party/eigen3/unsupported/Eigen/CXX11/Tensor" |
21 | #include "tensorflow/core/framework/tensor_types.h" |
22 | #include "tensorflow/core/platform/types.h" |
23 | |
24 | namespace tensorflow { |
25 | |
26 | namespace functor { |
27 | |
28 | template <typename Device, typename T, typename Tout> |
29 | struct ArgMax { |
30 | #define DECLARE_COMPUTE_SPEC(Dims) \ |
31 | EIGEN_ALWAYS_INLINE static void Reduce##Dims( \ |
32 | const Device& d, typename TTypes<T, Dims>::ConstTensor input, \ |
33 | const int32 dimension, typename TTypes<Tout, Dims - 1>::Tensor output) { \ |
34 | output.device(d) = input.argmax(dimension).template cast<Tout>(); \ |
35 | } |
36 | |
37 | DECLARE_COMPUTE_SPEC(1); |
38 | DECLARE_COMPUTE_SPEC(2); |
39 | DECLARE_COMPUTE_SPEC(3); |
40 | DECLARE_COMPUTE_SPEC(4); |
41 | DECLARE_COMPUTE_SPEC(5); |
42 | DECLARE_COMPUTE_SPEC(6); |
43 | DECLARE_COMPUTE_SPEC(7); |
44 | |
45 | #undef DECLARE_COMPUTE_SPEC |
46 | }; |
47 | |
48 | template <typename Device, typename T, typename Tout> |
49 | struct ArgMin { |
50 | #define DECLARE_COMPUTE_SPEC(Dims) \ |
51 | EIGEN_ALWAYS_INLINE static void Reduce##Dims( \ |
52 | const Device& d, typename TTypes<T, Dims>::ConstTensor input, \ |
53 | const int32 dimension, typename TTypes<Tout, Dims - 1>::Tensor output) { \ |
54 | output.device(d) = input.argmin(dimension).template cast<Tout>(); \ |
55 | } |
56 | |
57 | DECLARE_COMPUTE_SPEC(1); |
58 | DECLARE_COMPUTE_SPEC(2); |
59 | DECLARE_COMPUTE_SPEC(3); |
60 | DECLARE_COMPUTE_SPEC(4); |
61 | DECLARE_COMPUTE_SPEC(5); |
62 | DECLARE_COMPUTE_SPEC(6); |
63 | DECLARE_COMPUTE_SPEC(7); |
64 | |
65 | #undef DECLARE_COMPUTE_SPEC |
66 | }; |
67 | |
68 | } // namespace functor |
69 | |
70 | } // namespace tensorflow |
71 | |
72 | #endif // TENSORFLOW_CORE_KERNELS_ARGMAX_OP_H_ |
73 | |