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/*
* Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file PermuteFactor.h
* @brief This file contains neurun::graph::operand::PermuteFactor class
* @ingroup COM_AI_RUNTIME
*/
#ifndef __NEURUN_GRAPH_OPERAND_PERMUTE_FACTOR_H__
#define __NEURUN_GRAPH_OPERAND_PERMUTE_FACTOR_H__
#include <functional>
#include "model/Layout.h"
namespace neurun
{
namespace backend
{
class Backend;
} // namespace backend
} // namespace neurun
namespace neurun
{
namespace graph
{
namespace operand
{
/**
* @brief Class that has factors of permutation
*/
class PermuteFactor
{
public:
/**
* @brief Construct PermuteFactor object.
* @param backend The backend factor
* @param backend The layout factor
*/
PermuteFactor(const backend::Backend *backend, model::Layout layout)
: _backend{backend}, _layout{layout}
{
// DO NOTHING
}
/**
* @brief Construct PermuteFactor object by copy semantics.
*/
PermuteFactor(const PermuteFactor &f) : _backend{f._backend}, _layout{f._layout}
{
// DO NOTHING
}
/**
* @brief Construct PermuteFactor object by move semantics.
*/
PermuteFactor(PermuteFactor &&) = default;
public:
/**
* @brief Get backend
*
* @return Backend factor
*/
const backend::Backend *backend() const { return _backend; }
/**
* @brief Get layout
*
* @return Layout factor
*/
model::Layout layout() const { return _layout; }
public:
/**
* @brief operator overloading function for `==`
*
* @return Whether two PermuteFactor are the same
*/
bool operator==(const PermuteFactor &other) const
{
return _backend == other.backend() && _layout == other.layout();
}
/**
* @brief operator overloading function for `!=`
*
* @return Whether two PermuteFactor are differenct
*/
bool operator!=(const PermuteFactor &other) const { return !(*this == other); }
private:
const backend::Backend *_backend{nullptr};
model::Layout _layout{model::Layout::UNKNOWN};
};
} // namespace operand
} // namespace graph
} // namespace neurun
namespace std
{
using PermuteFactor = ::neurun::graph::operand::PermuteFactor;
/**
* @brief Structure that provides hash value of PermuteFactor
*/
template <> struct hash<PermuteFactor>
{
size_t operator()(const PermuteFactor &factor) const noexcept
{
hash<const ::neurun::backend::Backend *> b_hash{};
hash<::neurun::model::Layout> l_hash{};
return b_hash(factor.backend()) ^ (l_hash(factor.layout()) << 1);
}
};
} // namespace std
#endif // __NEURUN_GRAPH_OPERAND_PERMUTE_FACTOR_H__
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