| /* Copyright 2016 The TensorFlow Authors. All Rights Reserved. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ==============================================================================*/ |
| |
| #ifndef TENSORFLOW_CORE_KERNELS_DILATION_OPS_H_ |
| #define TENSORFLOW_CORE_KERNELS_DILATION_OPS_H_ |
| |
| #include "third_party/eigen3/unsupported/Eigen/CXX11/Tensor" |
| #include "tensorflow/core/framework/tensor_types.h" |
| #include "tensorflow/core/platform/types.h" |
| |
| namespace tensorflow { |
| namespace functor { |
| |
| template <typename Device, typename T> |
| struct Dilation { |
| // We assume that the tensor sizes are correct. |
| void operator()(const Device& d, typename TTypes<T, 4>::ConstTensor input, |
| typename TTypes<T, 3>::ConstTensor filter, int stride_rows, |
| int stride_cols, int rate_rows, int rate_cols, int pad_top, |
| int pad_left, typename TTypes<T, 4>::Tensor output); |
| }; |
| |
| template <typename Device, typename T> |
| struct DilationBackpropInput { |
| // We assume that the tensor sizes are correct. |
| // To avoid storing the argmax values during forward computation, we recompute |
| // the argmax during backward computation, which is the reason why we provide |
| // filter as argument to the backward computation routine. |
| void operator()(const Device& d, typename TTypes<T, 4>::ConstTensor input, |
| typename TTypes<T, 3>::ConstTensor filter, |
| typename TTypes<T, 4>::ConstTensor out_backprop, |
| int stride_rows, int stride_cols, int rate_rows, |
| int rate_cols, int pad_top, int pad_left, |
| typename TTypes<T, 4>::Tensor in_backprop); |
| }; |
| |
| template <typename Device, typename T> |
| struct DilationBackpropFilter { |
| // We assume that the tensor sizes are correct. |
| // To avoid storing the argmax values during forward computation, we recompute |
| // the argmax during backward computation, which is the reason why we provide |
| // filter as argument to the backward computation routine. |
| void operator()(const Device& d, typename TTypes<T, 4>::ConstTensor input, |
| typename TTypes<T, 3>::ConstTensor filter, |
| typename TTypes<T, 4>::ConstTensor out_backprop, |
| int stride_rows, int stride_cols, int rate_rows, |
| int rate_cols, int pad_top, int pad_left, |
| typename TTypes<T, 3>::Tensor filter_backprop); |
| }; |
| |
| } // namespace functor |
| } // namespace tensorflow |
| |
| #endif // TENSORFLOW_CORE_KERNELS_DILATION_OPS_H_ |