请编写一个类Complex,定义复数的加法、减法、乘法和除法运算

发布网友发布时间：2022-05-01 20:50

共2个回答

热心网友时间：2022-06-23 05:03

#include
<iostream>
using
namespace
std;
class
Complex
{public:
Complex(){real=0;imag=0;}
Complex(double
r,double
i){real=r;imag=i;}
Complex
operator+(Complex
&c2);
Complex
operator-(Complex
&c2);
Complex
operator*(Complex
&c2);
Complex
operator/(Complex
&c2);
void
display();
private:
double
real;
double
imag;
};
Complex
Complex::operator+(Complex
&c2)
{Complex
c;
c.real=real+c2.real;
c.imag=imag+c2.imag;
return
c;}
Complex
Complex::operator-(Complex
&c2)
{Complex
c;
c.real=real-c2.real;
c.imag=imag-c2.imag;
return
c;}
Complex
Complex::operator*(Complex
&c2)
{Complex
c;
c.real=real*c2.real-imag*c2.imag;
c.imag=imag*c2.real+real*c2.imag;
return
c;}
Complex
Complex::operator/(Complex
&c2)
{Complex
c;
c.real=(real*c2.real+imag*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag);
c.imag=(imag*c2.real-real*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag);
return
c;}
void
Complex::display()
{cout<<"("<<real<<","<<imag<<"i)"<<endl;}
int
main()
{Complex
c1(3,4),c2(5,-10),c3;
c3=c1+c2;
cout<<"c1+c2=";
c3.display();
c3=c1-c2;
cout<<"c1-c2=";
c3.display();
c3=c1*c2;
cout<<"c1*c2=";
c3.display();
c3=c1/c2;
cout<<"c1/c2=";
c3.display();
return
0;
}

热心网友时间：2022-06-23 05:04

#include <iostream>
using namespace std;
class Complex
{public:
Complex(){real=0;imag=0;}
Complex(double r,double i){real=r;imag=i;}
Complex operator+(Complex &c2);
Complex operator-(Complex &c2);
Complex operator*(Complex &c2);
Complex operator/(Complex &c2);
void display();
private:
double real;
double imag;
};

Complex Complex::operator+(Complex &c2)
{Complex c;
c.real=real+c2.real;
c.imag=imag+c2.imag;
return c;}

Complex Complex::operator-(Complex &c2)
{Complex c;
c.real=real-c2.real;
c.imag=imag-c2.imag;
return c;}

Complex Complex::operator*(Complex &c2)
{Complex c;
c.real=real*c2.real-imag*c2.imag;
c.imag=imag*c2.real+real*c2.imag;
return c;}

Complex Complex::operator/(Complex &c2)
{Complex c;
c.real=(real*c2.real+imag*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag);
c.imag=(imag*c2.real-real*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag);
return c;}

void Complex::display()
{cout<<"("<<real<<","<<imag<<"i)"<<endl;}

int main()
{Complex c1(3,4),c2(5,-10),c3;
c3=c1+c2;
cout<<"c1+c2=";
c3.display();
c3=c1-c2;
cout<<"c1-c2=";
c3.display();
c3=c1*c2;
cout<<"c1*c2=";
c3.display();
c3=c1/c2;
cout<<"c1/c2=";
c3.display();
return 0;
}