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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include <armnn/Tensor.hpp>
#include <boost/assert.hpp>
#include <DataLayoutIndexed.hpp>
namespace armnn
{
// Utility class providing access to raw tensor memory based on indices along each dimension.
template <typename DataType>
class TensorBufferArrayView
{
public:
TensorBufferArrayView(const TensorShape& shape, DataType* data,
armnnUtils::DataLayoutIndexed dataLayout = DataLayout::NCHW)
: m_Shape(shape)
, m_Data(data)
, m_DataLayout(dataLayout)
{
BOOST_ASSERT(m_Shape.GetNumDimensions() == 4);
}
DataType& Get(unsigned int b, unsigned int c, unsigned int h, unsigned int w) const
{
return m_Data[m_DataLayout.GetIndex(m_Shape, b, c, h, w)];
}
private:
const TensorShape m_Shape;
DataType* m_Data;
armnnUtils::DataLayoutIndexed m_DataLayout;
};
} //namespace armnn
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