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/*
* 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.
*/
#include "arm_compute/core/SubTensorInfo.h"
#include "arm_compute/core/Error.h"
#include "arm_compute/core/Helpers.h"
#include "arm_compute/core/Validate.h"
using namespace arm_compute;
SubTensorInfo::SubTensorInfo()
: _parent(nullptr), _tensor_shape(), _coords(), _valid_region{ Coordinates(), _tensor_shape }
{
}
SubTensorInfo::SubTensorInfo(ITensorInfo *parent, const TensorShape &tensor_shape, const Coordinates &coords)
: _parent(parent), _tensor_shape(tensor_shape), _coords(coords), _valid_region{ Coordinates(), _tensor_shape }
{
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(parent->tensor_shape(), coords, tensor_shape);
}
// Initialize valid region
Coordinates coordinates;
coordinates.set_num_dimensions(_tensor_shape.num_dimensions());
_valid_region = ValidRegion{ coordinates, _tensor_shape };
}
void SubTensorInfo::set_tensor_shape(TensorShape shape)
{
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(_parent->tensor_shape(), _coords, shape);
}
_tensor_shape = shape;
}
bool SubTensorInfo::extend_padding(const PaddingSize &padding)
{
ARM_COMPUTE_ERROR_ON(_parent == nullptr);
ARM_COMPUTE_ERROR_ON(!_parent->is_resizable());
// Extend parent padding if required
return _parent->extend_padding(padding);
}
size_t SubTensorInfo::offset_element_in_bytes(const Coordinates &pos) const
{
ARM_COMPUTE_ERROR_ON_COORDINATES_DIMENSIONS_GTE(pos, _tensor_shape.num_dimensions());
size_t offset = offset_first_element_in_bytes();
const Strides &strides = strides_in_bytes();
for(size_t i = 0; i < _tensor_shape.num_dimensions(); ++i)
{
offset += pos[i] * strides[i];
}
return offset;
}
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