| /* |
| * 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. |
| */ |
| #include "arm_compute/core/NEON/kernels/NEFFTDigitReverseKernel.h" |
| |
| #include "arm_compute/core/ITensor.h" |
| #include "arm_compute/core/TensorInfo.h" |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/core/Validate.h" |
| #include "arm_compute/core/Window.h" |
| |
| namespace arm_compute |
| { |
| namespace |
| { |
| Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output, const ITensorInfo *idx, unsigned int axis) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 2, DataType::F32); |
| ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(idx, 1, DataType::U32); |
| ARM_COMPUTE_RETURN_ERROR_ON(axis != 0); |
| |
| // Checks performed when output is configured |
| if((output != nullptr) && (output->total_size() != 0)) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(input, output); |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); |
| } |
| |
| return Status{}; |
| } |
| |
| std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITensorInfo *output, ITensorInfo *idx, unsigned int axis) |
| { |
| ARM_COMPUTE_UNUSED(idx, axis); |
| |
| auto_init_if_empty(*output, *input); |
| |
| Window win = calculate_max_window(*output, Steps()); |
| output->set_valid_region(ValidRegion(Coordinates(), output->tensor_shape())); |
| |
| return std::make_pair(Status{}, win); |
| } |
| } // namespace |
| |
| NEFFTDigitReverseKernel::NEFFTDigitReverseKernel() |
| : _input(nullptr), _output(nullptr), _idx(nullptr), _axis(0) |
| { |
| } |
| |
| void NEFFTDigitReverseKernel::configure(const ITensor *input, ITensor *output, const ITensor *idx, unsigned int axis) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(input, output, idx); |
| ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input->info(), output->info(), idx->info(), axis)); |
| |
| _input = input; |
| _output = output; |
| _idx = idx; |
| _axis = axis; |
| |
| // Configure kernel window |
| auto win_config = validate_and_configure_window(input->info(), output->info(), idx->info(), axis); |
| ARM_COMPUTE_ERROR_THROW_ON(win_config.first); |
| INEKernel::configure(win_config.second); |
| } |
| |
| Status NEFFTDigitReverseKernel::validate(const ITensorInfo *input, const ITensorInfo *output, const ITensorInfo *idx, unsigned int axis) |
| { |
| ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, output, idx, axis)); |
| ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(input->clone().get(), output->clone().get(), idx->clone().get(), axis).first); |
| return Status{}; |
| } |
| |
| void NEFFTDigitReverseKernel::run(const Window &window, const ThreadInfo &info) |
| { |
| ARM_COMPUTE_UNUSED(info); |
| Iterator out(_output, window); |
| const size_t element_size = _input->info()->element_size(); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| unsigned int in_index_1d = *reinterpret_cast<unsigned int *>(_idx->ptr_to_element(Coordinates(id.x()))); |
| |
| auto reverse_id = id; |
| reverse_id.set(_axis, in_index_1d); |
| |
| memcpy(out.ptr(), _input->ptr_to_element(reverse_id), 2 * element_size); |
| |
| }, |
| out); |
| |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window); |
| } |
| } // namespace arm_compute |