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

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C++

//
// TFApproximateEqual.cpp
// MNNConverter
//
// Created by MNN on 2019/12/16.
// Copyright © 2018, Alibaba Group Holding Limited
//
#include <MNN/expr/ExprCreator.hpp>
#include "MNN_generated.h"
#include "TFExtraManager.hpp"
namespace MNN {
namespace Express {
class ApproximateEqualTransform : public TFExtraManager::Transform {
public:
virtual EXPRP onExecute(EXPRP expr) const override {
auto op = expr->get();
auto inputs = expr->inputs();
float tolerance = 1e-5;
auto extra = op->main_as_Extra();
if (nullptr != extra->attr()) {
for (int i = 0; i < extra->attr()->size(); ++i) {
auto attr = extra->attr()->GetAs<Attribute>(i);
if (attr->key()->str() == "tolerance") {
tolerance = attr->f();
}
}
}
auto diff = _Abs(_Subtract(inputs[0], inputs[1]));
auto output = _Less(diff, _Const(tolerance));
auto newExpr = output->expr().first;
return newExpr;
}
};
static auto gRegister = []() {
TFExtraManager::get()->insert("ApproximateEqual",
std::shared_ptr<TFExtraManager::Transform>(new ApproximateEqualTransform));
return true;
}();
} // namespace Express
} // namespace MNN