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Diffstat (limited to 'arm_compute/runtime/NEON/functions/NEUnstack.h')
-rw-r--r-- | arm_compute/runtime/NEON/functions/NEUnstack.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/arm_compute/runtime/NEON/functions/NEUnstack.h b/arm_compute/runtime/NEON/functions/NEUnstack.h new file mode 100644 index 0000000000..7210afa914 --- /dev/null +++ b/arm_compute/runtime/NEON/functions/NEUnstack.h @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2018-2019 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_NEUNSTACK_H__ +#define __ARM_COMPUTE_NEUNSTACK_H__ + +#include "arm_compute/core/Types.h" +#include "arm_compute/runtime/IFunction.h" + +#include "arm_compute/runtime/NEON/functions/NEStridedSlice.h" + +#include <memory> + +namespace arm_compute +{ +// Forward declarations +class ITensor; + +/** Basic function to unpack a rank-R tensor into rank-(R-1) tensors. This function calls the following functions: + * + * -# @ref NEStridedSlice + */ +class NEUnstack : public IFunction +{ +public: + /** Default constructor */ + NEUnstack(); + /** Set the input, output and unstacking axis. + * + * @param[in] input A tensor to be unstacked. Data type supported: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32. + * @param[in,out] output_vector A vector of tensors. Data types supported: Same as @p input. + * Note: The number of elements of the vector will be used as the number of slices to be taken from the axis. + * @param[in] axis The axis to unstack along. Valid values are [-R,R) where R is the input's rank. Negative values wrap around. + * + */ + void configure(const ITensor *input, const std::vector<ITensor *> &output_vector, int axis); + /** Static function to check if given info will lead to a valid configuration of @ref NEUnstack + * + * @param[in] input Input tensor info. Data type supported: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32 + * @param[in] output_vector Vector of output tensors' info. Data types supported: Same as @p input. + * @param[in] axis The axis to unstack along. Valid values are [-R,R) where R is the input's rank. Negative values wrap around. + * + * @return a status + */ + static Status validate(const ITensorInfo *input, const std::vector<ITensorInfo *> &output_vector, int axis); + + // Inherited methods overridden: + void run() override; + +private: + unsigned int _num_slices; + std::unique_ptr<NEStridedSlice[]> _strided_slice_vector; +}; +} // namespace arm_compute +#endif /* __ARM_COMPUTE_NEUNSTACK_H__ */ |