1 /* 2 * Copyright (c) 2016-2020 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_NETHRESHOLDKERNEL_H 25 #define ARM_COMPUTE_NETHRESHOLDKERNEL_H 26 27 #include "arm_compute/core/KernelDescriptors.h" 28 #include "arm_compute/core/Types.h" 29 #include "src/core/NEON/INEKernel.h" 30 31 namespace arm_compute 32 { 33 class ITensor; 34 35 /** Interface for the thresholding kernel */ 36 class NEThresholdKernel : public INEKernel 37 { 38 public: name()39 const char *name() const override 40 { 41 return "NEThresholdKernel"; 42 } 43 /** Default constructor */ 44 NEThresholdKernel(); 45 /** Prevent instances of this class from being copied (As this class contains pointers) */ 46 NEThresholdKernel(const NEThresholdKernel &) = delete; 47 /** Prevent instances of this class from being copied (As this class contains pointers) */ 48 NEThresholdKernel &operator=(const NEThresholdKernel &) = delete; 49 /** Allow instances of this class to be moved */ 50 NEThresholdKernel(NEThresholdKernel &&) = default; 51 /** Allow instances of this class to be moved */ 52 NEThresholdKernel &operator=(NEThresholdKernel &&) = default; 53 /** Default destructor */ 54 ~NEThresholdKernel() = default; 55 /** Initialise the kernel's input, output and threshold parameters. 56 * 57 * @param[in] input An input tensor. Data type supported: U8 58 * @param[out] output The output tensor. Data type supported: U8. 59 * @param[in] info Threshold kernel descriptor 60 */ 61 void configure(const ITensor *input, ITensor *output, const ThresholdKernelInfo &info); 62 /** Static function to check if given info will lead to a valid configuration of @ref NEThresholdKernel 63 * 64 * @param[in] input Input tensor info. Data type supported: U8 65 * @param[in] output Output tensor info. Data type supported: U8 66 * @param[in] info Threshold kernel descriptor 67 * 68 * @return A status containing an error code in case of failure 69 */ 70 static Status validate(const ITensorInfo *input, const ITensorInfo *output, const ThresholdKernelInfo &info); 71 72 // Inherited methods overridden: 73 void run(const Window &window, const ThreadInfo &info) override; 74 75 private: 76 /** run binary thresholding on the given window */ 77 void run_binary(const Window &window); 78 /** run range thresholding on the given window */ 79 void run_range(const Window &window); 80 81 void (NEThresholdKernel::*_func)(const Window &window); 82 83 const ITensor *_input; /**< Input */ 84 ITensor *_output; /**< Output */ 85 ThresholdKernelInfo _info; /**< Threshold descriptor */ 86 }; 87 } // namespace arm_compute 88 #endif /*ARM_COMPUTE_NETHRESHOLDKERNEL_H */ 89