| /* 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_BETAINC_OP_H_ |
| #define TENSORFLOW_CORE_KERNELS_BETAINC_OP_H_ |
| // Functor definition for BetaincOp, must be compilable by nvcc. |
| |
| #include "third_party/eigen3/unsupported/Eigen/CXX11/Tensor" |
| #include "tensorflow/core/framework/tensor_types.h" |
| |
| namespace tensorflow { |
| namespace functor { |
| |
| // Functor used by BetaincOp to do the computations. |
| template <typename Device, typename T, int NDIM> |
| struct Betainc { |
| void operator()(const Device& d, typename TTypes<T, NDIM>::ConstTensor a, |
| typename TTypes<T, NDIM>::ConstTensor b, |
| typename TTypes<T, NDIM>::ConstTensor x, |
| typename TTypes<T, NDIM>::Tensor output) { |
| output.device(d) = Eigen::betainc(a, b, x); |
| } |
| |
| void BCast(const Device& d, typename TTypes<T, NDIM>::ConstTensor a, |
| const typename Eigen::array<Eigen::DenseIndex, NDIM>& bcast_a, |
| typename TTypes<T, NDIM>::ConstTensor b, |
| const typename Eigen::array<Eigen::DenseIndex, NDIM>& bcast_b, |
| typename TTypes<T, NDIM>::ConstTensor x, |
| const typename Eigen::array<Eigen::DenseIndex, NDIM>& bcast_x, |
| typename TTypes<T, NDIM>::Tensor output) { |
| output.device(d) = Eigen::betainc( |
| a.broadcast(bcast_a), b.broadcast(bcast_b), x.broadcast(bcast_x)); |
| } |
| }; |
| |
| } // namespace functor |
| } // namespace tensorflow |
| |
| #endif // TENSORFLOW_CORE_KERNELS_BETAINC_OP_H_ |