1 /* 2 * Copyright (c) 2019-2020 Arm Limited. 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 */ 24 #ifndef ARM_COMPUTE_NEFFTSCALEKERNEL_H 25 #define ARM_COMPUTE_NEFFTSCALEKERNEL_H 26 27 #include "src/core/NEON/INEKernel.h" 28 29 #include "arm_compute/core/KernelDescriptors.h" 30 31 namespace arm_compute 32 { 33 // Forward declarations 34 class ITensor; 35 36 /** Interface for the inverse fft scale kernel. */ 37 class NEFFTScaleKernel : public INEKernel 38 { 39 public: name()40 const char *name() const override 41 { 42 return "NEFFTScaleKernel"; 43 } 44 /** Constructor */ 45 NEFFTScaleKernel(); 46 /** Prevent instances of this class from being copied (As this class contains pointers) */ 47 NEFFTScaleKernel(const NEFFTScaleKernel &) = delete; 48 /** Prevent instances of this class from being copied (As this class contains pointers) */ 49 NEFFTScaleKernel &operator=(const NEFFTScaleKernel &) = delete; 50 /** Default Move Constructor. */ 51 NEFFTScaleKernel(NEFFTScaleKernel &&) = default; 52 /** Default move assignment operator */ 53 NEFFTScaleKernel &operator=(NEFFTScaleKernel &&) = default; 54 /** Default destructor */ 55 ~NEFFTScaleKernel() = default; 56 /** Set the input and output tensors. 57 * 58 * @param[in,out] input Source tensor. Data types supported: F32. Number of channels supported: 2 (complex tensor). 59 * @param[out] output Destination tensor. Data type supported: same as @p input. Number of channels supported: 1 (real tensor) or 2 (complex tensor). 60 * @param[in] config Kernel configuration 61 */ 62 void configure(ITensor *input, ITensor *output, const FFTScaleKernelInfo &config); 63 /** Static function to check if given info will lead to a valid configuration of @ref NEFFTScaleKernel 64 * 65 * @param[in] input Source tensor info. Data types supported: F32. Number of channels supported: 2 (complex tensor). 66 * @param[in] output Destination tensor info. Data type supported: same as @p input. Number of channels supported: 1 (real tensor) or 2 (complex tensor). 67 * @param[in] config Kernel configuration 68 * 69 * @return a status 70 */ 71 static Status validate(const ITensorInfo *input, const ITensorInfo *output, const FFTScaleKernelInfo &config); 72 73 // Inherited methods overridden: 74 void run(const Window &window, const ThreadInfo &info) override; 75 76 private: 77 ITensor *_input; 78 ITensor *_output; 79 float _scale; 80 bool _run_in_place; 81 bool _is_conj; 82 }; 83 } // namespace arm_compute 84 #endif /*ARM_COMPUTE_NEFFTSCALEKERNEL_H */ 85