| // |
| // Copyright © 2017 Arm Ltd. All rights reserved. |
| // SPDX-License-Identifier: MIT |
| // |
| |
| #include "PreluImpl.hpp" |
| #include "RefWorkloadUtils.hpp" |
| #include "Broadcast.hpp" |
| |
| namespace armnn |
| { |
| |
| void PreluImpl(const TensorInfo& inputInfo, |
| const TensorInfo& alphaInfo, |
| const TensorInfo& outputInfo, |
| Decoder<float>& inputData, |
| Decoder<float>& alphaData, |
| Encoder<float>& outputData) |
| { |
| const TensorShape& inputShape = inputInfo.GetShape(); |
| const TensorShape& alphaShape = alphaInfo.GetShape(); |
| const TensorShape& outputShape = outputInfo.GetShape(); |
| |
| // PReLU activation: f(x) = alpha * x for x < 0, f(x) = x for x >= 0 |
| auto prelu = [](float x, float alpha) |
| { |
| return x < 0 ? alpha * x : x; |
| }; |
| |
| BroadcastLoop(inputShape, alphaShape, outputShape).Unroll(prelu, 0, inputData, alphaData, outputData); |
| } |
| |
| } // namespace armnn |