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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_SUBTENSORINFO_H
#define ARM_COMPUTE_SUBTENSORINFO_H
#include "arm_compute/core/ITensorInfo.h"
#include "arm_compute/core/Coordinates.h"
#include "arm_compute/core/Helpers.h"
#include "arm_compute/core/Strides.h"
#include "arm_compute/core/TensorInfo.h"
#include "arm_compute/core/TensorShape.h"
#include "arm_compute/core/Validate.h"
#include <cstddef>
#include <memory>
namespace arm_compute
{
/** Store the sub tensor's metadata */
class SubTensorInfo final : public ITensorInfo
{
public:
/** Default constructor */
SubTensorInfo();
/** Default constructor
*
* @param[in] parent Metadata of parent tensor.
* @param[in] tensor_shape Tensor shape. Shape must fit inside parent's shape.
* X and Y dimensions must match the parent's ones.
* @param[in] coords Coordinates of starting element inside parent tensor.
* @param[in] extend_parent (Optional) Extend parent with subtensor shape if subtensor indexes out of bounds
*/
SubTensorInfo(ITensorInfo *parent, TensorShape tensor_shape, Coordinates coords, bool extend_parent = false);
/** Default destructor */
~SubTensorInfo() = default;
/** Allow instances of this class to be copy constructed */
SubTensorInfo(const SubTensorInfo &) = default;
/** Allow instances of this class to be copied */
SubTensorInfo &operator=(const SubTensorInfo &) = default;
/** Allow instances of this class to be move constructed */
SubTensorInfo(SubTensorInfo &&) = default;
/** Allow instances of this class to be moved */
SubTensorInfo &operator=(SubTensorInfo &&) = default;
/** Returns the coordinates of the sub-tensor inside the parent tensor
*
* @return Sub-tensor coordinates
*/
Coordinates coords() const
{
return _coords;
}
// Inherited methods overridden:
std::unique_ptr<ITensorInfo> clone() const override;
ITensorInfo &set_data_type(DataType data_type) override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
_parent->set_data_type(data_type);
return *this;
};
ITensorInfo &set_data_layout(const DataLayout &data_layout) override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
_parent->set_data_layout(data_layout);
return *this;
};
ITensorInfo &set_num_channels(int num_channels) override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
_parent->set_num_channels(num_channels);
return *this;
};
ITensorInfo &set_format(Format format) override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
_parent->set_format(format);
return *this;
};
ITensorInfo &set_tensor_shape(const TensorShape &shape) override;
ITensorInfo &set_quantization_info(const QuantizationInfo &quantization_info) override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
_parent->set_quantization_info(quantization_info);
return *this;
}
ITensorInfo &reset_padding() override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
_parent->reset_padding();
return *this;
}
bool auto_padding() override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
return _parent->auto_padding();
};
bool extend_padding(const PaddingSize &padding) override;
size_t dimension(size_t index) const override
{
return _tensor_shape[index];
}
size_t dimension(DataLayoutDimension dimension) const override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
return get_data_layout_dimension_index(_parent->data_layout(), dimension);
}
const Strides &strides_in_bytes() const override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
return _parent->strides_in_bytes();
}
size_t offset_first_element_in_bytes() const override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
return _parent->offset_element_in_bytes(_coords);
}
int32_t offset_element_in_bytes(const Coordinates &pos) const override;
size_t element_size() const override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
return _parent->element_size();
}
size_t num_dimensions() const override
{
return _tensor_shape.num_dimensions();
}
size_t num_channels() const override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
return _parent->num_channels();
}
const TensorShape &tensor_shape() const override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
return _tensor_shape;
}
DataType data_type() const override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
return _parent->data_type();
}
Format format() const override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
return _parent->format();
}
size_t total_size() const override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
return _parent->total_size();
}
PaddingSize padding() const override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
return _parent->padding();
}
bool has_padding() const override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
return _parent->has_padding();
}
bool is_resizable() const override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
return _parent->is_resizable();
}
bool is_dynamic() const override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
return _parent->is_dynamic();
}
ITensorInfo &set_is_resizable(bool is_resizable) override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
_parent->set_is_resizable(is_resizable);
return *this;
}
ITensorInfo &set_is_dynamic(bool is_dynamic) override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
_parent->set_is_dynamic(is_dynamic);
return *this;
}
ValidRegion valid_region() const override
{
return _valid_region;
}
void set_valid_region(const ValidRegion &valid_region) override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
// Check if subtensor is valid if parent is configured
if(_parent->tensor_shape().total_size() != 0)
{
ARM_COMPUTE_ERROR_ON_INVALID_SUBTENSOR_VALID_REGION(_parent->valid_region(), valid_region);
}
_valid_region = valid_region;
}
QuantizationInfo quantization_info() const override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
return _parent->quantization_info();
}
DataLayout data_layout() const override
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
return _parent->data_layout();
}
private:
ITensorInfo *_parent;
TensorShape _tensor_shape;
Coordinates _coords;
ValidRegion _valid_region;
bool _extend_parent;
};
} // namespace arm_compute
#endif /*ARM_COMPUTE_SUBTENSORINFO_H */
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