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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include <armnn/Types.hpp>
namespace armnn
{
// Provides access to the appropriate indexes for Channels, Height and Width based on DataLayout
class DataLayoutIndexed
{
public:
DataLayoutIndexed(DataLayout dataLayout) : m_DataLayout(dataLayout)
{
switch (dataLayout)
{
case DataLayout::NHWC:
m_ChannelsIndex = 3;
m_HeightIndex = 1;
m_WidthIndex = 2;
break;
case DataLayout::NCHW:
m_ChannelsIndex = 1;
m_HeightIndex = 2;
m_WidthIndex = 3;
break;
default:
throw InvalidArgumentException("Unknown DataLayout value: " +
std::to_string(static_cast<int>(dataLayout)));
}
}
DataLayout GetDataLayout() const { return m_DataLayout; }
unsigned int GetChannelsIndex() const { return m_ChannelsIndex; }
unsigned int GetHeightIndex() const { return m_HeightIndex; }
unsigned int GetWidthIndex() const { return m_WidthIndex; }
private:
DataLayout m_DataLayout;
unsigned int m_ChannelsIndex;
unsigned int m_HeightIndex;
unsigned int m_WidthIndex;
};
// Equality methods
bool operator==(const DataLayout& dataLayout, const DataLayoutIndexed& indexed);
bool operator==(const DataLayoutIndexed& indexed, const DataLayout& dataLayout);
}
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