MNN/test/expr/ReplaceTest.cpp

//
//  ReplaceTest.cpp
//  MNNTests
//
//  Created by MNN on 2019/09/10.
//  Copyright © 2018, Alibaba Group Holding Limited
//

#include <MNN/expr/ExprCreator.hpp>
#include "MNNTestSuite.h"

using namespace MNN::Express;

class ReplaceTest : public MNNTestCase {
public:
    virtual bool run() {
        auto c1 = MNN::Express::_Const(1.f, {1, 1, 1, 1}, MNN::Express::NHWC);
        auto c2 = MNN::Express::_Const(2.f, {1, 1, 1, 1}, MNN::Express::NHWC);
        auto c3 = MNN::Express::_Const(3.f, {1, 1, 1, 1}, MNN::Express::NHWC);
        auto c4 = MNN::Express::_Const(4.f, {1, 1, 1, 1}, MNN::Express::NHWC);
        auto c5 = MNN::Express::_Const(5.f, {1, 1, 1, 1}, MNN::Express::NHWC);
        auto b1 = MNN::Express::_Add(c1, c2);
        auto b2 = MNN::Express::_Multiply(c3, c4);

        auto r1 = b1->readMap<float>();
        if (3.0f != r1[0]) {
            MNN_PRINT("1 + 2 = %f\n", r1[0]);
            return false;
        }

        MNN::Express::Variable::replace(c2, b2);
        auto r2 = b1->readMap<float>();
        if (13.0f != r2[0]) {
            MNN_PRINT("1 + 3 x 4 = %f\n", r2[0]);
            return false;
        }
        MNN::Express::Variable::replace(c3, c5);
        auto r3 = b1->readMap<float>();
        if (21.0f != r3[0]) {
            MNN_PRINT("1 + 5 x 4 = %f\n", r3[0]);
            return false;
        }
        auto d0 = _Const(7.f, {1, 3, 1, 1}, NHWC);
        auto d = _Split(d0, {1, 1, 1}, 1)[0];
        Variable::replace(c3, d);
        r3 = b1->readMap<float>();
        if (29.0f != r3[0]) {
            MNN_PRINT("1 + 7 x 4 = %f\n", r3[0]);
            return false;
        }
        return true;
    }
};
MNNTestSuiteRegister(ReplaceTest, "expr/Replace");