| /* |
| * Copyright (c) 2017-2019 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. |
| */ |
| #include "QuantizationLayer.h" |
| |
| #include <cmath> |
| |
| namespace arm_compute |
| { |
| namespace test |
| { |
| namespace validation |
| { |
| namespace reference |
| { |
| template <typename Tin, typename Tout> |
| SimpleTensor<Tout> quantization_layer(const SimpleTensor<Tin> &src, DataType output_data_type, const QuantizationInfo &quantization_info) |
| { |
| // Create reference |
| SimpleTensor<Tout> dst{ src.shape(), output_data_type, 1, quantization_info }; |
| |
| const UniformQuantizationInfo qinfo = quantization_info.uniform(); |
| |
| #ifdef __aarch64__ |
| constexpr auto rounding_policy = RoundingPolicy::TO_NEAREST_EVEN; |
| #else // __aarch64__ |
| constexpr auto rounding_policy = RoundingPolicy::TO_ZERO; |
| #endif // __aarch64__ |
| |
| switch(output_data_type) |
| { |
| case DataType::QASYMM8: |
| for(int i = 0; i < src.num_elements(); ++i) |
| { |
| dst[i] = quantize_qasymm8((src[i]), qinfo, rounding_policy); |
| } |
| break; |
| case DataType::QASYMM8_SIGNED: |
| for(int i = 0; i < src.num_elements(); ++i) |
| { |
| dst[i] = quantize_qasymm8_signed((src[i]), qinfo, rounding_policy); |
| } |
| break; |
| case DataType::QASYMM16: |
| for(int i = 0; i < src.num_elements(); ++i) |
| { |
| dst[i] = quantize_qasymm16((src[i]), qinfo, rounding_policy); |
| } |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Unsupported output data type"); |
| } |
| return dst; |
| } |
| |
| template SimpleTensor<uint8_t> quantization_layer(const SimpleTensor<half> &src, DataType output_data_type, const QuantizationInfo &quantization_info); |
| template SimpleTensor<uint8_t> quantization_layer(const SimpleTensor<float> &src, DataType output_data_type, const QuantizationInfo &quantization_info); |
| template SimpleTensor<uint16_t> quantization_layer(const SimpleTensor<half> &src, DataType output_data_type, const QuantizationInfo &quantization_info); |
| template SimpleTensor<uint16_t> quantization_layer(const SimpleTensor<float> &src, DataType output_data_type, const QuantizationInfo &quantization_info); |
| template SimpleTensor<int8_t> quantization_layer(const SimpleTensor<half> &src, DataType output_data_type, const QuantizationInfo &quantization_info); |
| template SimpleTensor<int8_t> quantization_layer(const SimpleTensor<float> &src, DataType output_data_type, const QuantizationInfo &quantization_info); |
| } // namespace reference |
| } // namespace validation |
| } // namespace test |
| } // namespace arm_compute |