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_NEMINMAXLOCATION_H 25 #define ARM_COMPUTE_NEMINMAXLOCATION_H 26 27 #include "arm_compute/core/IArray.h" 28 #include "arm_compute/runtime/Array.h" 29 #include "arm_compute/runtime/IFunction.h" 30 31 #include <cstdint> 32 #include <memory> 33 34 namespace arm_compute 35 { 36 class ITensor; 37 class NEMinMaxKernel; 38 class NEMinMaxLocationKernel; 39 using IImage = ITensor; 40 41 /** Basic function to execute min and max location. This function calls the following NEON kernels: 42 * 43 * -# NEMinMaxKernel 44 * -# NEMinMaxLocationKernel 45 * 46 * @deprecated This function is deprecated and is intended to be removed in 21.05 release 47 * 48 */ 49 class NEMinMaxLocation : public IFunction 50 { 51 public: 52 /** Constructor */ 53 NEMinMaxLocation(); 54 /** Prevent instances of this class from being copied (As this class contains pointers) */ 55 NEMinMaxLocation(const NEMinMaxLocation &) = delete; 56 /** Prevent instances of this class from being copied (As this class contains pointers) */ 57 NEMinMaxLocation &operator=(const NEMinMaxLocation &) = delete; 58 /** Prevent instances of this class from being moved (As this class contains non movable objects) */ 59 NEMinMaxLocation(NEMinMaxLocation &&) = delete; 60 /** Prevent instances of this class from being moved (As this class contains non movable objects) */ 61 NEMinMaxLocation &operator=(NEMinMaxLocation &&) = delete; 62 /** Default destructor */ 63 ~NEMinMaxLocation(); 64 /** Initialise the kernel's inputs and outputs. 65 * 66 * @param[in] input Input image. Data types supported: U8/S16/F32. 67 * @param[out] min Minimum value of image. Data types supported: S32 if input type is U8/S16, F32 if input type is F32. 68 * @param[out] max Maximum value of image. Data types supported: S32 if input type is U8/S16, F32 if input type is F32. 69 * @param[out] min_loc (Optional) Array of minimum value locations. 70 * @param[out] max_loc (Optional) Array of maximum value locations. 71 * @param[out] min_count (Optional) Number of minimum value encounters. 72 * @param[out] max_count (Optional) Number of maximum value encounters. 73 */ 74 void configure(const IImage *input, void *min, void *max, 75 ICoordinates2DArray *min_loc = nullptr, ICoordinates2DArray *max_loc = nullptr, 76 uint32_t *min_count = nullptr, uint32_t *max_count = nullptr); 77 78 // Inherited methods overridden: 79 void run() override; 80 81 private: 82 std::unique_ptr<NEMinMaxKernel> _min_max; /**< Kernel that performs min/max */ 83 std::unique_ptr<NEMinMaxLocationKernel> _min_max_loc; /**< Kernel that extracts min/max locations */ 84 }; 85 } 86 #endif /*ARM_COMPUTE_NEMINMAXLOCATION_H */ 87