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2026-07-13 13:33:03 +08:00

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C++

//
// TFPrelu.cpp
// MNNConverter
//
// Created by MNN on 2019/09/27.
// Copyright © 2018, Alibaba Group Holding Limited
//
#include "MNN_generated.h"
#include "TFExtraManager.hpp"
namespace MNN {
namespace Express {
class PreluTransform : public TFExtraManager::Transform {
public:
virtual EXPRP onExecute(EXPRP expr) const override {
auto inputs = expr->inputs();
auto op = expr->get();
std::vector<VARP> subInputs = {inputs[0]};
std::unique_ptr<MNN::OpT> PreluOp(new OpT);
PreluOp->type = OpType_PReLU;
PreluOp->name = op->name()->str();
PreluOp->main.type = OpParameter_PRelu;
PreluOp->main.value = new PReluT;
auto PreluParameter = PreluOp->main.AsPRelu();
{
auto PreluPoint = inputs[1];
auto PreluPointInfo = PreluPoint->getInfo();
auto PreluPointPtr = PreluPoint->readMap<float>();
if (nullptr == PreluPointInfo || nullptr == PreluPointPtr) {
MNN_ERROR("Don't support not const Prelu point\n");
return nullptr;
}
PreluParameter->slope.resize(PreluPointInfo->size);
::memcpy(PreluParameter->slope.data(), PreluPointPtr, PreluPointInfo->size * sizeof(float));
PreluParameter->slopeCount = PreluPointInfo->size;
}
auto newExpr = Expr::create(PreluOp.get(), subInputs, expr->outputSize());
return newExpr;
}
};
static auto gRegister = []() {
TFExtraManager::get()->insert("Prelu", std::shared_ptr<TFExtraManager::Transform>(new PreluTransform));
return true;
}();
} // namespace Express
} // namespace MNN