wehub-resource-sync
53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
//
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// OnnxHardSigmoid.cpp
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// MNNConverter
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//
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// Created by MNN on 2019/12/05.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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#include <MNN/expr/Expr.hpp>
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#include "MNN_generated.h"
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#include "OnnxExtraManager.hpp"
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namespace MNN {
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namespace Express {
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class OnnxHardSigmoidTransform : public OnnxExtraManager::Transform {
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public:
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virtual EXPRP onExecute(EXPRP expr) const override {
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float alpha = 0.2f;
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float beta = 0.5f;
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auto op = expr->get();
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auto extra = op->main_as_Extra();
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MNN_ASSERT(nullptr != extra);
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auto attr = extra->attr();
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if (nullptr != attr) {
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for (int i = 0; i < attr->size(); ++i) {
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auto att = attr->GetAs<Attribute>(i);
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auto key = att->key()->str();
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if ("alpha" == key) {
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alpha = att->f();
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}
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if ("beta" == key) {
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beta = att->f();
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}
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}
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}
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auto input = expr->inputs()[0];
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auto res = _Add(input * _Const(alpha, {}, NCHW), _Const(beta, {}, NCHW));
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res = _Relu6(res, 0.0f, 1.0f);
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res->setName(expr->name());
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return res->expr().first;
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}
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};
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static auto gRegister = []() {
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OnnxExtraManager::get()->insert("HardSigmoid",
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std::shared_ptr<OnnxExtraManager::Transform>(new OnnxHardSigmoidTransform));
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return true;
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}();
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} // namespace Express
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} // namespace MNN
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