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/*
* Copyright (c) 2020 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.
*/
#ifndef __LUCI_IR_LUCINODEMIXINS_H__
#define __LUCI_IR_LUCINODEMIXINS_H__
#include "luci/IR/AttrFusedActFunc.h"
#include <loco/IR/Node.h>
#include <loco/IR/NodeMixins.h>
namespace luci
{
/// @brief enumeration of mixin class
enum class LuciNodeTrait
{
FusedActFunc,
Bias
};
template <LuciNodeTrait T> class LuciNodeMixin;
template <> class LuciNodeMixin<LuciNodeTrait::FusedActFunc>
{
public:
LuciNodeMixin() = default;
public:
FusedActFunc fusedActivationFunction() const { return _fused_act_fun; }
void fusedActivationFunction(FusedActFunc fused_act_fun) { _fused_act_fun = fused_act_fun; }
private:
FusedActFunc _fused_act_fun = FusedActFunc::UNDEFINED;
};
/**
* @brief Mixin class for nodes that has a bias input
*/
template <> class LuciNodeMixin<LuciNodeTrait::Bias>
{
public:
LuciNodeMixin() = default;
public:
virtual loco::Node *bias(void) const = 0; /// @brief get the input for bias.
virtual void bias(loco::Node *node) = 0; /// @brief set the input for bias.
};
/**
* @brief Nodes with the fixed number of inputs
*
* TODO Deprecated this class, and use loco::FixedArity instead
*/
template <unsigned N, typename Base> class FixedArityNode : public Base
{
public:
FixedArityNode()
{
for (uint32_t n = 0; n < N; ++n)
{
_args[n] = std::make_unique<loco::Use>(this);
}
}
virtual ~FixedArityNode() = default;
public:
unsigned arity(void) const final { return N; }
loco::Node *arg(uint32_t n) const final { return _args.at(n)->node(); }
void drop(void) final
{
for (uint32_t n = 0; n < N; ++n)
{
_args.at(n)->node(nullptr);
}
}
protected:
// This API allows inherited classes to access "_args" field.
loco::Use *at(unsigned n) const { return _args.at(n).get(); }
private:
std::array<std::unique_ptr<loco::Use>, N> _args;
};
} // namespace luci
#endif // __LUCI_IR_LUCINODEMIXINS_H__
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