[討論] 計程作業我的寫法

[stradivaris (Bach's Largo..........)]

作業6-6，我的含有三個檔
第一，Complex.h
#ifndef COMPLEX_H
#define COMPLEX_H
class Complex{
public:
        Complex(double=0.0,double=0.0);
        void setComplex(double,double);
        void addition(Complex,Complex);
        void subsubtraction(Complex,Complex);
        void print();
private:
        double realpart;
        double imaginarypart;
};
#endif

第二，class Complex 的.cpp檔(含它的function)
#include<iostream>
using namespace std;
#include"complex.h"
Complex::Complex(double rp,double ip)
{       setComplex(rp,ip);}
void Complex::setComplex(double r,double i)
{
        realpart=r;
        imaginarypart=i;
}

void Complex::addition(Complex x,Complex y)
{
        realpart=x.realpart+y.realpart;
        imaginarypart=x.imaginarypart+y.imaginarypart;
}
void Complex::subsubtraction(Complex x,Complex y)
{
        realpart=x.realpart-y.realpart;
        imaginarypart=x.imaginarypart-y.imaginarypart;
}

void Complex::print()
{
        cout<<'('<<realpart<<','<<imaginarypart<<')';
}

第三，main，也是.cpp
#include<iostream>
using namespace std;
#include"complex.h"

int main()
{
        double a=1.23,b=2.34,c=3.45,d=4.56;
        Complex num1(a,b);
        Complex num2(c,d);
        Complex num3;
        cout<<"\nnum1= ";
        num1.print();
        cout<<"\nnum2= ";
        num2.print();
        cout<<"\nnum3= ";
        num3.print();
        num3.addition(num1,num2);
        cout<<"\nnum3=num1+num2= ";
        num3.print();
        num3.subsubtraction(num1,num2);
    cout<<"\nnum3=num1-num2= ";
        num3.print();
        return 0;
}

--
Bach partita & sonata for violin solo
My favorite:
Henryk Szerying, Arthur Grumiaux, Nathan Milstein

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