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/*
* Copyright (c) 2017-2019 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_SUBTENSOR_H
#define ARM_COMPUTE_SUBTENSOR_H
#include "arm_compute/core/SubTensorInfo.h"
#include "arm_compute/runtime/Tensor.h"
#include <cstdint>
namespace arm_compute
{
class ITensorInfo;
/** Basic implementation of the sub-tensor interface */
class SubTensor : public ITensor
{
public:
/** Default Constructor */
SubTensor();
/** Constructor
*
* @param[in] parent Parent tensor
* @param[in] tensor_shape Shape of the subtensor
* @param[in] coords Coordinates of the first subtensor element inside the parent tensor.
* @param[in] extend_parent (Optional) Extend parent with subtensor shape if subtensor indexes out of bounds
*/
SubTensor(ITensor *parent, const TensorShape &tensor_shape, const Coordinates &coords, bool extend_parent = false);
/** Destructor: free the tensor's memory */
~SubTensor() = default;
/** Restrict instances of this class to be copy constructed */
SubTensor(const SubTensor &) = delete;
/** Restrict instances of this class to be copied */
SubTensor &operator=(const SubTensor &) = delete;
/** Allow instances of this class to be move constructed */
SubTensor(SubTensor &&) = default;
/** Allow instances of this class to be moved */
SubTensor &operator=(SubTensor &&) = default;
/** Return the parent tensor of the subtensor
*
* @return Parent tensor
*/
ITensor *parent();
// Inherited methods overridden:
ITensorInfo *info() const override;
ITensorInfo *info() override;
uint8_t *buffer() const override;
private:
ITensor *_parent;
mutable SubTensorInfo _info;
};
}
#endif /*ARM_COMPUTE_SUBTENSOR_H */
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