| /* |
| * Copyright (c) 2019 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_MISC_INFO_HELPERS_H |
| #define ARM_COMPUTE_MISC_INFO_HELPERS_H |
| |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/core/Types.h" |
| |
| namespace arm_compute |
| { |
| namespace utils |
| { |
| namespace info_helpers |
| { |
| /** Checks if activation information correspond to a relu activation function |
| * |
| * @param[in] activation_info Activation metadata |
| * |
| * @return True if activation metadata correspond to a relu activation else false |
| */ |
| inline bool is_relu(ActivationLayerInfo activation_info) |
| { |
| return activation_info.enabled() && activation_info.activation() == ActivationLayerInfo::ActivationFunction::RELU; |
| } |
| |
| /** Checks if activation information correspond to a relu6 activation function |
| * |
| * @param[in] activation_info Activation metadata |
| * |
| * @return True if activation metadata correspond to a relu6 activation else false |
| */ |
| inline bool is_relu6(ActivationLayerInfo activation_info) |
| { |
| const bool is_lu_bounded_relu = activation_info.activation() == ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU |
| && activation_info.a() == 6.f && activation_info.b() == 0.f; |
| const bool is_bounded_relu = activation_info.activation() == ActivationLayerInfo::ActivationFunction::BOUNDED_RELU |
| && activation_info.a() == 6.f; |
| return activation_info.enabled() && (is_lu_bounded_relu || is_bounded_relu); |
| } |
| } // namespace info_helpers |
| } // namespace utils |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_MISC_INFO_HELPERS_H */ |