| /* |
| * Copyright (c) 2018-2020, 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. |
| */ |
| #include "ElementwiseUnary.h" |
| #include "tests/validation/Helpers.h" |
| #include "utils/TypePrinter.h" |
| namespace arm_compute |
| { |
| namespace test |
| { |
| namespace validation |
| { |
| namespace reference |
| { |
| template <typename T> |
| SimpleTensor<T> elementwise_unary(const SimpleTensor<T> &src, SimpleTensor<T> &dst, ElementWiseUnary op) |
| { |
| for(int i = 0; i < src.num_elements(); ++i) |
| { |
| switch(op) |
| { |
| case ElementWiseUnary::RSQRT: |
| dst[i] = 1.f / std::sqrt(src[i]); |
| break; |
| case ElementWiseUnary::EXP: |
| dst[i] = std::exp(src[i]); |
| break; |
| case ElementWiseUnary::NEG: |
| dst[i] = -src[i]; |
| break; |
| case ElementWiseUnary::LOG: |
| dst[i] = std::log(src[i]); |
| break; |
| case ElementWiseUnary::ABS: |
| dst[i] = std::abs(src[i]); |
| break; |
| case ElementWiseUnary::SIN: |
| dst[i] = std::sin(src[i]); |
| break; |
| case ElementWiseUnary::ROUND: |
| dst[i] = arm_compute::support::cpp11::nearbyint(src[i]); |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Not implemented"); |
| } |
| } |
| return dst; |
| } |
| template <> |
| SimpleTensor<int8_t> elementwise_unary(const SimpleTensor<int8_t> &src, SimpleTensor<int8_t> &dst, ElementWiseUnary op) |
| { |
| if(dst.data_type() == DataType::QASYMM8_SIGNED) |
| { |
| SimpleTensor<float> src_tmp = convert_from_asymmetric(src); |
| SimpleTensor<float> dst_tmp(src.shape(), DataType::F32); |
| for(int i = 0; i < src.num_elements(); ++i) |
| { |
| switch(op) |
| { |
| case ElementWiseUnary::RSQRT: |
| if(src_tmp[i] != 0) |
| { |
| dst_tmp[i] = 1.f / std::sqrt(src_tmp[i]); |
| } |
| else |
| { |
| // rsqrt(0) give 'inf' so set to the maximum in int8: 127 |
| dst_tmp[i] = (127.0f - dst.quantization_info().uniform().offset) * dst.quantization_info().uniform().scale ; |
| } |
| break; |
| |
| case ElementWiseUnary::LOG: |
| if(src_tmp[i] != 0) |
| { |
| dst_tmp[i] = std::log(src_tmp[i]); |
| } |
| else |
| { |
| dst_tmp[i] = (-128.0f - dst.quantization_info().uniform().offset) * dst.quantization_info().uniform().scale ; |
| } |
| break; |
| |
| default: |
| elementwise_unary(src_tmp, dst_tmp, op); |
| break; |
| } |
| } |
| dst = convert_to_asymmetric<int8_t>(dst_tmp, dst.quantization_info()); |
| } |
| else |
| { |
| ARM_COMPUTE_ERROR("Not implemented"); |
| } |
| return dst; |
| } |
| template <> |
| SimpleTensor<uint8_t> elementwise_unary(const SimpleTensor<uint8_t> &src, SimpleTensor<uint8_t> &dst, ElementWiseUnary op) |
| { |
| if(dst.data_type() == DataType::QASYMM8) |
| { |
| SimpleTensor<float> src_tmp = convert_from_asymmetric(src); |
| SimpleTensor<float> dst_tmp(src.shape(), DataType::F32); |
| for(int i = 0; i < src.num_elements(); ++i) |
| { |
| switch(op) |
| { |
| case ElementWiseUnary::RSQRT: |
| if(src_tmp[i] != 0) |
| { |
| dst_tmp[i] = 1.f / std::sqrt(src_tmp[i]); |
| } |
| else |
| { |
| // rsqrt(0) give 'inf' so set to the maximum in uint8: 255 |
| dst_tmp[i] = (255.0f - dst.quantization_info().uniform().offset)* dst.quantization_info().uniform().scale; |
| } |
| break; |
| |
| case ElementWiseUnary::LOG: |
| if(src_tmp[i] != 0) |
| { |
| dst_tmp[i] = std::log(src_tmp[i]); |
| } |
| else |
| { |
| dst_tmp[i] = -dst.quantization_info().uniform().offset * dst.quantization_info().uniform().scale; |
| } |
| break; |
| |
| default: |
| elementwise_unary(src_tmp, dst_tmp, op); |
| break; |
| } |
| } |
| dst = convert_to_asymmetric<uint8_t>(dst_tmp, dst.quantization_info()); |
| } |
| else |
| { |
| ARM_COMPUTE_ERROR("Not implemented"); |
| } |
| return dst; |
| } |
| |
| template SimpleTensor<float> elementwise_unary(const SimpleTensor<float> &src, SimpleTensor<float> &dst, ElementWiseUnary op); |
| template SimpleTensor<half> elementwise_unary(const SimpleTensor<half> &src, SimpleTensor<half> &dst, ElementWiseUnary op); |
| template SimpleTensor<int32_t> elementwise_unary(const SimpleTensor<int32_t> &src, SimpleTensor<int32_t> &dst, ElementWiseUnary op); |
| |
| } // namespace reference |
| } // namespace validation |
| } // namespace test |
| } // namespace arm_compute |