| /* |
| * Copyright (c) 2019-2020 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" |
| #include "arm_compute/runtime/common/LSTMParams.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); |
| } |
| |
| /** Build LSTMParams<ITensorInfo> object by extracting the metadata from each |
| * tensor. |
| * |
| * @param[in] lstm_params The LSTMParams<T> object containing the tensors. |
| * @param[out] lstm_params_info The LSTMParams<ITensorInfo> to be constructed. |
| * |
| */ |
| template <typename T> |
| inline void build_lstm_params_tensor_info(const LSTMParams<T> &lstm_params, |
| LSTMParams<ITensorInfo> *lstm_params_info) |
| { |
| if(lstm_params.has_peephole_opt()) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(lstm_params.cell_to_forget_weights(), lstm_params.cell_to_output_weights()); |
| lstm_params_info->set_peephole_params(lstm_params.cell_to_forget_weights()->info(), lstm_params.cell_to_output_weights()->info()); |
| } |
| if(lstm_params.has_projection()) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(lstm_params.projection_weights()); |
| lstm_params_info->set_projection_params(lstm_params.projection_weights()->info(), |
| lstm_params.projection_bias() != nullptr ? lstm_params.projection_bias()->info() : nullptr); |
| } |
| if(!lstm_params.has_cifg_opt()) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(lstm_params.input_to_input_weights(), lstm_params.recurrent_to_input_weights(), lstm_params.input_gate_bias()); |
| |
| const ITensorInfo *cell_to_input_weights_info = (lstm_params.has_peephole_opt()) ? lstm_params.cell_to_input_weights()->info() : nullptr; |
| lstm_params_info->set_cifg_params(lstm_params.input_to_input_weights()->info(), lstm_params.recurrent_to_input_weights()->info(), |
| cell_to_input_weights_info, lstm_params.input_gate_bias()->info()); |
| } |
| } |
| } // namespace info_helpers |
| } // namespace utils |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_MISC_INFO_HELPERS_H */ |