1 /* 2 * Copyright (c) 2018-2020 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_NEFLATTENLAYERKERNEL_H 25 #define ARM_COMPUTE_NEFLATTENLAYERKERNEL_H 26 27 #include "src/core/NEON/INEKernel.h" 28 29 namespace arm_compute 30 { 31 class ITensor; 32 33 /** Interface for the flatten layer kernel. */ 34 class NEFlattenLayerKernel : public INEKernel 35 { 36 public: name()37 const char *name() const override 38 { 39 return "NEFlattenLayerKernel"; 40 } 41 /** Default constructor */ 42 NEFlattenLayerKernel(); 43 /** Prevent instances of this class from being copied (As this class contains pointers) */ 44 NEFlattenLayerKernel(const NEFlattenLayerKernel &) = delete; 45 /** Prevent instances of this class from being copied (As this class contains pointers) */ 46 NEFlattenLayerKernel &operator=(const NEFlattenLayerKernel &) = delete; 47 /** Allow instances of this class to be moved */ 48 NEFlattenLayerKernel(NEFlattenLayerKernel &&) = default; 49 /** Allow instances of this class to be moved */ 50 NEFlattenLayerKernel &operator=(NEFlattenLayerKernel &&) = default; 51 /** Default destructor */ 52 ~NEFlattenLayerKernel() = default; 53 54 /** Set the input and output of the kernel. 55 * 56 * @param[in] input First input tensor to flatten with at least 3 dimensions. 57 * The dimensions above the third will be interpreted as batches. Data types supported: All 58 * @param[out] output Output tensor with shape [w*h*d, input_batches] where: 59 * w = width input tensor, h = height input tensor and d = depth input tensor. Data type supported: same as @p input 60 */ 61 void configure(const ITensor *input, ITensor *output); 62 /** Static function to check if given info will lead to a valid configuration of @ref NEFlattenLayerKernel 63 * 64 * @param[in] input First input tensor to flatten with at least 3 dimensions. 65 * The dimensions above the third will be interpreted as batches. Data types supported: All 66 * @param[out] output Output tensor with shape [w*h*d, input_batches] where: 67 * w = width input tensor, h = height input tensor and d = depth input tensor. Data type supported: same as @p input 68 * 69 * @return a status 70 */ 71 static Status validate(const ITensorInfo *input, const ITensorInfo *output); 72 73 // Inherited methods overridden: 74 void run(const Window &window, const ThreadInfo &info) override; 75 76 private: 77 const ITensor *_input; 78 ITensor *_output; 79 }; 80 } // namespace arm_compute 81 #endif /*ARM_COMPUTE_NEFLATTENLAYERKERNEL_H */ 82