| /* |
| * Copyright (c) 2016-2023 Arm Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #ifndef ARM_COMPUTE_ACTIVATIONLAYERINFO_H |
| #define ARM_COMPUTE_ACTIVATIONLAYERINFO_H |
| |
| #include "arm_compute/core/Coordinates.h" |
| #include "arm_compute/core/QuantizationInfo.h" |
| #include "arm_compute/core/Size2D.h" |
| #include "arm_compute/core/Size3D.h" |
| #include "arm_compute/core/Strides.h" |
| #include "arm_compute/core/TensorShape.h" |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/core/experimental/IPostOp.h" |
| #include "arm_compute/core/utils/misc/Macros.h" |
| #include "support/Bfloat16.h" |
| #include "support/Half.h" |
| |
| #include <cmath> |
| #include <cstddef> |
| #include <cstdint> |
| #include <map> |
| #include <string> |
| #include <utility> |
| |
| namespace arm_compute |
| { |
| /** Activation Layer Information class */ |
| class ActivationLayerInfo |
| { |
| public: |
| typedef arm_compute::ActivationFunction ActivationFunction; |
| |
| /** Lookup table */ |
| using LookupTable256 = std::array<qasymm8_t, 256>; |
| |
| ActivationLayerInfo() = default; |
| /** Default Constructor |
| * |
| * @param[in] f The activation function to use. |
| * @param[in] a (Optional) The alpha parameter used by some activation functions |
| * (@ref ActivationFunction::BOUNDED_RELU, @ref ActivationFunction::LU_BOUNDED_RELU, @ref ActivationFunction::LINEAR, @ref ActivationFunction::TANH). |
| * @param[in] b (Optional) The beta parameter used by some activation functions (@ref ActivationFunction::LINEAR, @ref ActivationFunction::LU_BOUNDED_RELU, @ref ActivationFunction::TANH). |
| */ |
| ActivationLayerInfo(ActivationFunction f, float a = 0.0f, float b = 0.0f) |
| : _act(f), _a(a), _b(b), _enabled(true) |
| { |
| } |
| /** Get the type of activation function */ |
| ActivationFunction activation() const |
| { |
| return _act; |
| } |
| /** Get the alpha value */ |
| float a() const |
| { |
| return _a; |
| } |
| /** Get the beta value */ |
| float b() const |
| { |
| return _b; |
| } |
| /** Check if initialised */ |
| bool enabled() const |
| { |
| return _enabled; |
| } |
| |
| #ifdef __aarch64__ |
| const LookupTable256 &lut() const |
| { |
| return _lut; |
| } |
| void setLookupTable256(LookupTable256 &lut) |
| { |
| _lut = std::move(lut); |
| } |
| #endif // __aarch64__ |
| private: |
| ActivationFunction _act = { ActivationLayerInfo::ActivationFunction::IDENTITY }; |
| float _a = {}; |
| float _b = {}; |
| bool _enabled = { false }; |
| |
| #ifdef __aarch64__ |
| LookupTable256 _lut = {}; |
| #endif // __aarch64__ |
| }; |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_ACTIVATIONLAYERINFO_H */ |