| /* |
| * Copyright (c) 2017 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #ifndef __ARM_COMPUTE_TEST_RAW_TENSOR_H__ |
| #define __ARM_COMPUTE_TEST_RAW_TENSOR_H__ |
| |
| #include "arm_compute/core/TensorShape.h" |
| #include "arm_compute/core/Types.h" |
| |
| #include <cstddef> |
| #include <cstdint> |
| #include <memory> |
| |
| namespace arm_compute |
| { |
| namespace test |
| { |
| /** Simple tensor object that stores elements in a consecutive chunk of memory. |
| * |
| * It can be created by either loading an image from a file which also |
| * initialises the content of the tensor or by explcitly specifying the size. |
| * The latter leaves the content uninitialised. |
| * |
| * Furthermore, the class provides methods to convert the tensor's values into |
| * different image format. |
| */ |
| class RawTensor final |
| { |
| public: |
| /** Create an uninitialised tensor of the given @p shape and @p format. |
| * |
| * @param[in] shape Shape of the new raw tensor. |
| * @param[in] format Format of the new raw tensor. |
| * @param[in] fixed_point_position (Optional) Number of bits for the fractional part of the fixed point numbers |
| */ |
| RawTensor(TensorShape shape, Format format, int fixed_point_position = 0); |
| |
| /** Create an uninitialised tensor of the given @p shape and @p data type. |
| * |
| * @param[in] shape Shape of the new raw tensor. |
| * @param[in] data_type Data type of the new raw tensor. |
| * @param[in] num_channels (Optional) Number of channels (default = 1). |
| * @param[in] fixed_point_position (Optional) Number of bits for the fractional part of the fixed point numbers (default = 0). |
| */ |
| RawTensor(TensorShape shape, DataType data_type, int num_channels = 1, int fixed_point_position = 0); |
| |
| /** Create a deep copy of the given @p tensor. |
| * |
| * @param[in] tensor To be copied tensor. |
| */ |
| RawTensor(const RawTensor &tensor); |
| |
| /** Create a deep copy of the given @p tensor. |
| * |
| * @param[in] tensor To be copied tensor. |
| */ |
| RawTensor &operator =(RawTensor tensor); |
| RawTensor(RawTensor &&) = default; |
| ~RawTensor() = default; |
| |
| using BufferType = uint8_t; |
| using Buffer = std::unique_ptr<BufferType[]>; |
| |
| /** Return value at @p offset in the buffer. |
| * |
| * @param[in] offset Offset within the buffer. |
| */ |
| BufferType &operator[](size_t offset); |
| |
| /** Return constant value at @p offset in the buffer. |
| * |
| * @param[in] offset Offset within the buffer. |
| */ |
| const BufferType &operator[](size_t offset) const; |
| |
| /** Shape of the tensor. */ |
| TensorShape shape() const; |
| |
| /** Size of each element in the tensor in bytes. */ |
| size_t element_size() const; |
| |
| /** Total size of the tensor in bytes. */ |
| size_t size() const; |
| |
| /** Image format of the tensor. */ |
| Format format() const; |
| |
| /** Data type of the tensor. */ |
| DataType data_type() const; |
| |
| /** Number of channels of the tensor. */ |
| int num_channels() const; |
| |
| /** Number of elements of the tensor. */ |
| int num_elements() const; |
| |
| /** The number of bits for the fractional part of the fixed point numbers. */ |
| int fixed_point_position() const; |
| |
| /** Constant pointer to the underlying buffer. */ |
| const BufferType *data() const; |
| |
| /** Pointer to the underlying buffer. */ |
| BufferType *data(); |
| |
| /** Read only access to the specified element. |
| * |
| * @param[in] coord Coordinates of the desired element. |
| * |
| * @return A pointer to the desired element. |
| */ |
| const BufferType *operator()(const Coordinates &coord) const; |
| |
| /** Access to the specified element. |
| * |
| * @param[in] coord Coordinates of the desired element. |
| * |
| * @return A pointer to the desired element. |
| */ |
| BufferType *operator()(const Coordinates &coord); |
| |
| /** Swaps the content of the provided tensors. |
| * |
| * @param[in, out] tensor1 Tensor to be swapped. |
| * @param[in, out] tensor2 Tensor to be swapped. |
| */ |
| friend void swap(RawTensor &tensor1, RawTensor &tensor2); |
| |
| private: |
| Buffer _buffer{ nullptr }; |
| TensorShape _shape{}; |
| Format _format{ Format::UNKNOWN }; |
| DataType _data_type{ DataType::UNKNOWN }; |
| int _num_channels{ 0 }; |
| int _fixed_point_position{ 0 }; |
| }; |
| } // namespace test |
| } // namespace arm_compute |
| #endif /* __ARM_COMPUTE_TEST_RAW_TENSOR_H__ */ |