giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 1 | /* |
Sheri Zhang | ac6499a | 2021-02-10 15:32:38 +0000 | [diff] [blame^] | 2 | * Copyright (c) 2019-2021 Arm Limited. |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 24 | #ifndef ARM_COMPUTE_NEFFT1D_H |
| 25 | #define ARM_COMPUTE_NEFFT1D_H |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 26 | |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 27 | #include "arm_compute/runtime/IFunction.h" |
| 28 | |
| 29 | #include "arm_compute/runtime/FunctionDescriptors.h" |
| 30 | #include "arm_compute/runtime/MemoryGroup.h" |
| 31 | #include "arm_compute/runtime/Tensor.h" |
| 32 | |
Michalis Spyrou | ebcebf1 | 2020-10-21 00:04:14 +0100 | [diff] [blame] | 33 | #include <memory> |
| 34 | |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 35 | namespace arm_compute |
| 36 | { |
| 37 | // Forward declaration |
| 38 | class ITensor; |
Michalis Spyrou | ebcebf1 | 2020-10-21 00:04:14 +0100 | [diff] [blame] | 39 | class NEFFTDigitReverseKernel; |
| 40 | class NEFFTRadixStageKernel; |
| 41 | class NEFFTScaleKernel; |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 42 | |
Sheri Zhang | ac6499a | 2021-02-10 15:32:38 +0000 | [diff] [blame^] | 43 | /** Basic function to execute one dimensional FFT. This function calls the following Neon kernels: |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 44 | * |
giuros01 | 05fb448 | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 45 | * -# @ref NEFFTDigitReverseKernel Performs digit reverse |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 46 | * -# @ref NEFFTRadixStageKernel A list of FFT kernels depending on the radix decomposition |
giuros01 | 05fb448 | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 47 | * -# @ref NEFFTScaleKernel Performs output scaling in case of in inverse FFT |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 48 | */ |
| 49 | class NEFFT1D : public IFunction |
| 50 | { |
| 51 | public: |
| 52 | /** Default Constructor */ |
| 53 | NEFFT1D(std::shared_ptr<IMemoryManager> memory_manager = nullptr); |
Michalis Spyrou | ebcebf1 | 2020-10-21 00:04:14 +0100 | [diff] [blame] | 54 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 55 | NEFFT1D(const NEFFT1D &) = delete; |
| 56 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 57 | NEFFT1D &operator=(const NEFFT1D &) = delete; |
| 58 | /** Prevent instances of this class from being moved (As this class contains non movable objects) */ |
| 59 | NEFFT1D(NEFFT1D &&) = delete; |
| 60 | /** Prevent instances of this class from being moved (As this class contains non movable objects) */ |
| 61 | NEFFT1D &operator=(NEFFT1D &&) = delete; |
| 62 | /** Default destructor */ |
| 63 | ~NEFFT1D(); |
giuros01 | 05fb448 | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 64 | /** Initialise the function's source and destinations. |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 65 | * |
giuros01 | 154bc1c | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 66 | * @param[in] input Source tensor. Data types supported: F32. Number of channels supported: 1 (real tensor) or 2 (complex tensor). |
| 67 | * @param[out] output Destination tensor. Data types and data layouts supported: Same as @p input. |
| 68 | * Number of channels supported: 1 (real tensor) or 2 (complex tensor).If @p input is real, @p output must be complex. |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 69 | * @param[in] config FFT related configuration |
| 70 | */ |
| 71 | void configure(const ITensor *input, ITensor *output, const FFT1DInfo &config); |
giuros01 | 05fb448 | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 72 | /** Static function to check if given info will lead to a valid configuration of @ref NEFFT1D. |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 73 | * |
| 74 | * @param[in] input Source tensor info. Data types supported: F32. |
| 75 | * @param[in] output Destination tensor info. Data types and data layouts supported: Same as @p input. |
| 76 | * @param[in] config FFT related configuration |
| 77 | * |
| 78 | * @return a status |
| 79 | */ |
| 80 | static Status validate(const ITensorInfo *input, const ITensorInfo *output, const FFT1DInfo &config); |
| 81 | |
| 82 | // Inherited methods overridden: |
| 83 | void run() override; |
| 84 | |
| 85 | protected: |
Michalis Spyrou | ebcebf1 | 2020-10-21 00:04:14 +0100 | [diff] [blame] | 86 | MemoryGroup _memory_group; |
| 87 | std::unique_ptr<NEFFTDigitReverseKernel> _digit_reverse_kernel; |
| 88 | std::vector<std::unique_ptr<NEFFTRadixStageKernel>> _fft_kernels; |
| 89 | std::unique_ptr<NEFFTScaleKernel> _scale_kernel; |
| 90 | Tensor _digit_reversed_input; |
| 91 | Tensor _digit_reverse_indices; |
| 92 | unsigned int _num_ffts; |
| 93 | unsigned int _axis; |
| 94 | bool _run_scale; |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 95 | }; |
| 96 | } // namespace arm_compute |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 97 | #endif /*ARM_COMPUTE_NEFFT1D_H */ |