24 lines
620 B
C++
24 lines
620 B
C++
/*
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* @Author: iR
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* @Date: 2022-03-12 13:36:15
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* @LastEditors: iR
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* @LastEditTime: 2022-03-12 13:37:15
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* @FilePath: \Code\1-1b\main.cpp
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* @Description:
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*
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* Copyright (c) 2022 by iR, All Rights Reserved.
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*/
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#include "../inc/matrix.hpp"
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#include <stdio.h>
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int main()
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{
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double data[] = {1, 2, 3, 4};
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Matrix<double> a(2, 2, data);
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std::cout << a.at(0, 0) << std::endl;
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a.at(0, 0) = 9;
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std::cout << a.at(0, 0) << std::endl;
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const Matrix<double> &ref_a = a; // 只读引用，因此ref_a只能调用以const结尾的成员函数
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std::cout << ref_a.at(0, 0) << std::endl;
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return 0;
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} |