| /* Copyright 2020 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. |
| ==============================================================================*/ |
| #include "tensorflow/c/experimental/gradients/not_differentiable.h" |
| |
| namespace tensorflow { |
| namespace gradients { |
| Status NotDifferentiableGradientFunction::Compute( |
| AbstractContext* ctx, absl::Span<AbstractTensorHandle* const> grad_outputs, |
| absl::Span<AbstractTensorHandle*> grad_inputs) { |
| for (int i = 0; i < grad_inputs.size(); i++) { |
| grad_inputs[i] = nullptr; |
| } |
| return OkStatus(); |
| } |
| |
| Status RegisterNotDifferentiable(GradientRegistry* registry, const string& op) { |
| return registry->Register(op, [](const ForwardOperation& op) { |
| return new NotDifferentiableGradientFunction; |
| }); |
| } |
| } // namespace gradients |
| } // namespace tensorflow |