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Diffstat (limited to 'src/core/NEON/kernels/NEFFTDigitReverseKernel.h')
-rw-r--r-- | src/core/NEON/kernels/NEFFTDigitReverseKernel.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/NEFFTDigitReverseKernel.h b/src/core/NEON/kernels/NEFFTDigitReverseKernel.h new file mode 100644 index 0000000000..f436c364b2 --- /dev/null +++ b/src/core/NEON/kernels/NEFFTDigitReverseKernel.h @@ -0,0 +1,93 @@ +/* + * 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_NEFFTDIGITREVERSEKERNEL_H +#define ARM_COMPUTE_NEFFTDIGITREVERSEKERNEL_H + +#include "arm_compute/core/KernelDescriptors.h" +#include "src/core/NEON/INEKernel.h" + +namespace arm_compute +{ +// Forward declarations +class ITensor; + +/** Interface for the digit reverse operation kernel. */ +class NEFFTDigitReverseKernel : public INEKernel +{ +public: + const char *name() const override + { + return "NEFFTDigitReverseKernel"; + } + /** Constructor */ + NEFFTDigitReverseKernel(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEFFTDigitReverseKernel(const NEFFTDigitReverseKernel &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEFFTDigitReverseKernel &operator=(const NEFFTDigitReverseKernel &) = delete; + /** Default Move Constructor. */ + NEFFTDigitReverseKernel(NEFFTDigitReverseKernel &&) = default; + /** Default move assignment operator */ + NEFFTDigitReverseKernel &operator=(NEFFTDigitReverseKernel &&) = default; + /** Default destructor */ + ~NEFFTDigitReverseKernel() = default; + /** Set the input and output tensors. + * + * @param[in] input Source tensor. Data types supported: F32. Number of channels supported: 1 (real tensor) or 2 (complex tensor). + * @param[out] output Destination tensor. Data type supported: same as @p input. Number of channels supported: 2 (complex tensor). + * @param[in] idx Digit reverse index tensor. Data type supported: U32 + * @param[in] config Kernel configuration. + */ + void configure(const ITensor *input, ITensor *output, const ITensor *idx, const FFTDigitReverseKernelInfo &config); + + /** Static function to check if given info will lead to a valid configuration of @ref NEFFTDigitReverseKernel + * + * @param[in] input Source tensor info. Data types supported: F32. Number of channels supported: 1 (real tensor) or 2 (complex tensor). + * @param[in] output Destination tensor info. Data type supported: same as @p input. Number of channels supported: 2 (complex tensor). + * @param[in] idx Digit reverse index tensor info. Data type supported: U32 + * @param[in] config Kernel configuration + * + * @return a status + */ + static Status validate(const ITensorInfo *input, const ITensorInfo *output, const ITensorInfo *idx, const FFTDigitReverseKernelInfo &config); + + // Inherited methods overridden: + void run(const Window &window, const ThreadInfo &info) override; + +private: + using NEFFTDigitReverseKernelFunctionPtr = void (NEFFTDigitReverseKernel::*)(const Window &window); + + template <bool is_input_complex, bool is_conj> + void digit_reverse_kernel_axis_0(const Window &window); + + template <bool is_input_complex, bool is_conj> + void digit_reverse_kernel_axis_1(const Window &window); + + NEFFTDigitReverseKernelFunctionPtr _func; + const ITensor *_input; + ITensor *_output; + const ITensor *_idx; +}; +} // namespace arm_compute +#endif /*ARM_COMPUTE_NEFFTDIGITREVERSEKERNEL_H */ |