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_TEST_IACCESSOR_H 25 #define ARM_COMPUTE_TEST_IACCESSOR_H 26 27 #include "arm_compute/core/Coordinates.h" 28 #include "arm_compute/core/Types.h" 29 30 namespace arm_compute 31 { 32 namespace test 33 { 34 /** Common interface to provide information and access to tensor like 35 * structures. 36 */ 37 class IAccessor 38 { 39 public: 40 /** Virtual destructor. */ 41 virtual ~IAccessor() = default; 42 43 /** Shape of the tensor. 44 * 45 * @return the shape of the tensor. 46 */ 47 virtual TensorShape shape() const = 0; 48 49 /** Size of each element in the tensor in bytes. 50 * 51 * @return the size of each element in the tensor in bytes. 52 */ 53 virtual size_t element_size() const = 0; 54 55 /** Total size of the tensor in bytes. 56 * 57 * @return the total size of the tensor in bytes. 58 */ 59 virtual size_t size() const = 0; 60 61 /** Image format of the tensor. 62 * 63 * @return the format of the tensor. 64 */ 65 virtual Format format() const = 0; 66 67 /** Data layout of the tensor. 68 * 69 * @return the data layout of the tensor. 70 */ 71 virtual DataLayout data_layout() const = 0; 72 73 /** Data type of the tensor. 74 * 75 * @return the data type of the tensor. 76 */ 77 virtual DataType data_type() const = 0; 78 79 /** Number of channels of the tensor. 80 * 81 * @return the number of channels of the tensor. 82 */ 83 virtual int num_channels() const = 0; 84 85 /** Number of elements of the tensor. 86 * 87 * @return the number of elements of the tensor. 88 */ 89 virtual int num_elements() const = 0; 90 91 /** Available padding around the tensor. 92 * 93 * @return the available padding around the tensor. 94 */ 95 virtual PaddingSize padding() const = 0; 96 97 /** Quantization info in case of asymmetric quantized type 98 * 99 * @return 100 */ 101 virtual QuantizationInfo quantization_info() const = 0; 102 103 /** Read only access to the specified element. 104 * 105 * @param[in] coord Coordinates of the desired element. 106 * 107 * @return A pointer to the desired element. 108 */ 109 virtual const void *operator()(const Coordinates &coord) const = 0; 110 111 /** Access to the specified element. 112 * 113 * @param[in] coord Coordinates of the desired element. 114 * 115 * @return A pointer to the desired element. 116 */ 117 virtual void *operator()(const Coordinates &coord) = 0; 118 }; 119 } // namespace test 120 } // namespace arm_compute 121 #endif /* ARM_COMPUTE_TEST_IACCESSOR_H */ 122