1 /* 2 * Copyright (c) 2018-2021 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_NE_SLICE_H 25 #define ARM_COMPUTE_NE_SLICE_H 26 27 #include "arm_compute/runtime/IFunction.h" 28 #include "arm_compute/runtime/NEON/INEOperator.h" 29 30 namespace arm_compute 31 { 32 // Forward Declarations 33 class ITensor; 34 35 /** Basic function to perform tensor slicing */ 36 class NESlice : public IFunction 37 { 38 public: 39 /** Default Constructor */ 40 NESlice(); 41 /** Default Destructor */ 42 ~NESlice(); 43 /** Prevent instances of this class from being copied (As this class contains pointers) */ 44 NESlice(const NESlice &) = delete; 45 /** Default move constructor */ 46 NESlice(NESlice &&); 47 /** Prevent instances of this class from being copied (As this class contains pointers) */ 48 NESlice &operator=(const NESlice &) = delete; 49 /** Default move assignment operator */ 50 NESlice &operator=(NESlice &&); 51 52 /** Configure kernel 53 * 54 * Valid data layouts: 55 * - All 56 * 57 * Valid data type configurations: 58 * |src |dst | 59 * |:------|:------| 60 * |All |All | 61 * 62 * @note Supported tensor rank: up to 4 63 * @note Start indices must be non-negative. 0 <= starts[i] 64 * @note End coordinates can be negative, which represents the number of elements before the end of that dimension. 65 * @note End indices are not inclusive unless negative. 66 * 67 * @param[in] input Source tensor. Data type supported: All 68 * @param[out] output Destination tensor. Data type supported: Same as @p input 69 * @param[in] starts The starts of the dimensions of the input tensor to be sliced. The length must be of rank(input). 70 * @param[in] ends The ends of the dimensions of the input tensor to be sliced. The length must be of rank(input). 71 */ 72 void configure(const ITensor *input, ITensor *output, const Coordinates &starts, const Coordinates &ends); 73 74 /** Static function to check if given info will lead to a valid configuration of @ref NESlice 75 * 76 * @note Supported tensor rank: up to 4 77 * @note Start indices must be non-negative. 0 <= starts[i] 78 * @note End coordinates can be negative, which represents the number of elements before the end of that dimension. 79 * @note End indices are not inclusive unless negative. 80 * 81 * @param[in] input Source tensor info. Data type supported: All 82 * @param[in] output Destination tensor info. Data type supported: Same as @p input 83 * @param[in] starts The starts of the dimensions of the input tensor to be sliced. The length must be of rank(input). 84 * @param[in] ends The ends of the dimensions of the input tensor to be sliced. The length must be of rank(input). 85 * 86 * @return A status 87 */ 88 static Status validate(const ITensorInfo *input, const ITensorInfo *output, const Coordinates &starts, const Coordinates &ends); 89 90 // Inherited methods overridden: 91 void run() override; 92 93 private: 94 struct Impl; 95 std::unique_ptr<Impl> _impl; 96 }; 97 98 namespace experimental 99 { 100 /** Basic function to perform tensor slicing */ 101 class NESlice : public INEOperator 102 { 103 public: 104 /** Configure kernel 105 * 106 * @note Supported tensor rank: up to 4 107 * @note Start indices must be non-negative. 0 <= starts[i] 108 * @note End coordinates can be negative, which represents the number of elements before the end of that dimension. 109 * @note End indices are not inclusive unless negative. 110 * 111 * @param[in] input Source tensor info. Data type supported: All 112 * @param[out] output Destination tensor info. Data type supported: Same as @p input 113 * @param[in] starts The starts of the dimensions of the input tensor to be sliced. The length must be of rank(input). 114 * @param[in] ends The ends of the dimensions of the input tensor to be sliced. The length must be of rank(input). 115 */ 116 void configure(const ITensorInfo *input, ITensorInfo *output, const Coordinates &starts, const Coordinates &ends); 117 118 /** Static function to check if given info will lead to a valid configuration of @ref NESlice 119 * 120 * @note Supported tensor rank: up to 4 121 * @note Start indices must be non-negative. 0 <= starts[i] 122 * @note End coordinates can be negative, which represents the number of elements before the end of that dimension. 123 * @note End indices are not inclusive unless negative. 124 * 125 * @param[in] input Source tensor info. Data type supported: All 126 * @param[in] output Destination tensor info. Data type supported: Same as @p input 127 * @param[in] starts The starts of the dimensions of the input tensor to be sliced. The length must be of rank(input). 128 * @param[in] ends The ends of the dimensions of the input tensor to be sliced. The length must be of rank(input). 129 * 130 * @return A status 131 */ 132 static Status validate(const ITensorInfo *input, const ITensorInfo *output, const Coordinates &starts, const Coordinates &ends); 133 }; 134 } // namespace experimental 135 } // namespace arm_compute 136 #endif /* ARM_COMPUTE_NE_SLICE_H */ 137