1 /* 2 * Copyright (c) 2017-2019 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_STEPS_H 25 #define ARM_COMPUTE_STEPS_H 26 27 #include "arm_compute/core/Dimensions.h" 28 #include "arm_compute/core/Error.h" 29 #include "arm_compute/core/Types.h" 30 31 #include <algorithm> 32 #include <array> 33 #include <cstddef> 34 35 namespace arm_compute 36 { 37 /** Class to describe a number of elements in each dimension. Similar to @ref 38 * Strides but not in bytes but number of elements. 39 */ 40 class Steps : public Dimensions<uint32_t> 41 { 42 public: 43 /** Constructor to initialize the steps. 44 * 45 * @param[in] steps Values to initialize the steps. 46 */ 47 template <typename... Ts> Steps(Ts...steps)48 Steps(Ts... steps) 49 : Dimensions{ steps... } 50 { 51 // Initialize empty dimensions to 1 52 std::fill(_id.begin() + _num_dimensions, _id.end(), 1); 53 } 54 /** Allow instances of this class to be copy constructed */ 55 constexpr Steps(const Steps &) = default; 56 /** Allow instances of this class to be copied */ 57 Steps &operator=(const Steps &) = default; 58 /** Allow instances of this class to be move constructed */ 59 constexpr Steps(Steps &&) = default; 60 /** Allow instances of this class to be moved */ 61 Steps &operator=(Steps &&) = default; 62 /** Default destructor */ 63 ~Steps() = default; 64 }; 65 } 66 #endif /*ARM_COMPUTE_STEPS_H*/ 67