Isabella Gottardi | ee7c15d | 2018-12-17 16:15:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2018-2019 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_NESTACKLAYER_H__ |
| 25 | #define __ARM_COMPUTE_NESTACKLAYER_H__ |
| 26 | |
| 27 | #include "arm_compute/core/Types.h" |
| 28 | #include "arm_compute/runtime/IFunction.h" |
| 29 | |
| 30 | #include "arm_compute/core/NEON/kernels/NEStackLayerKernel.h" |
| 31 | |
| 32 | #include <memory> |
| 33 | #include <vector> |
| 34 | |
| 35 | namespace arm_compute |
| 36 | { |
| 37 | class ITensor; |
| 38 | |
| 39 | /** Basic function to stack tensors along an axis. This function calls the following kernel: |
| 40 | * |
| 41 | * -# @ref NEStackLayerKernel |
| 42 | * |
| 43 | */ |
| 44 | class NEStackLayer : public IFunction |
| 45 | { |
| 46 | public: |
| 47 | /** Default constructor */ |
| 48 | NEStackLayer(); |
| 49 | /** Initialise the kernel's inputs vector and output. |
| 50 | * |
| 51 | * @note Supported input tensor rank: up to 4 |
| 52 | * |
| 53 | * @param[in] input The vectors containing all the tensors with the same shape to stack. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32 |
| 54 | * @param[in] axis The dimension to stack the tensors along. It must be smaller than the number of input dimensions. |
| 55 | * Negative values wrap around |
| 56 | * @param[out] output Output tensor. Data types supported: Same as @p input. |
| 57 | */ |
| 58 | void configure(const std::vector<ITensor *> &input, int axis, ITensor *output); |
| 59 | /** Static function to check if given info will lead to a valid configuration of @ref NEStackLayerKernel |
| 60 | * |
| 61 | * @note Supported input tensor rank: up to 4 |
| 62 | * |
| 63 | * @param[in] input The vectors containing all the tensors info with the same shape to stack. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32 |
| 64 | * @param[in] axis The dimension to stack the tensors along. It must be smaller than the number of input dimensions. |
| 65 | * Negative values wrap around |
| 66 | * @param[in] output Output tensor info. Data types supported: Same as @p input. |
| 67 | * |
| 68 | * @return a status |
| 69 | */ |
| 70 | static Status validate(const std::vector<ITensorInfo *> &input, int axis, const ITensorInfo *output); |
| 71 | |
| 72 | // Inherited methods overridden: |
| 73 | void run() override; |
| 74 | |
| 75 | private: |
Michalis Spyrou | bcfd09a | 2019-05-01 13:03:59 +0100 | [diff] [blame] | 76 | std::vector<ITensor *> _input; |
| 77 | std::vector<NEStackLayerKernel> _stack_kernels; |
| 78 | unsigned int _num_inputs; |
Isabella Gottardi | ee7c15d | 2018-12-17 16:15:34 +0000 | [diff] [blame] | 79 | }; |
| 80 | } // namespace arm_compute |
| 81 | #endif /* __ARM_COMPUTE_NESTACKLAYER_H__ */ |