(C++)定义一个复数类Complex,重载运算符“+”,使之能用于复数的加法运算.定义一个复数类Complex,重载运算符“+”,使之能用于复数的加法运算.参加运算的两个运算量可以都是复数类对象,也可以
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![(C++)定义一个复数类Complex,重载运算符“+”,使之能用于复数的加法运算.定义一个复数类Complex,重载运算符“+”,使之能用于复数的加法运算.参加运算的两个运算量可以都是复数类对象,也可以](/uploads/image/z/7593615-63-5.jpg?t=%28C%2B%2B%29%E5%AE%9A%E4%B9%89%E4%B8%80%E4%B8%AA%E5%A4%8D%E6%95%B0%E7%B1%BBComplex%2C%E9%87%8D%E8%BD%BD%E8%BF%90%E7%AE%97%E7%AC%A6%E2%80%9C%2B%E2%80%9D%2C%E4%BD%BF%E4%B9%8B%E8%83%BD%E7%94%A8%E4%BA%8E%E5%A4%8D%E6%95%B0%E7%9A%84%E5%8A%A0%E6%B3%95%E8%BF%90%E7%AE%97.%E5%AE%9A%E4%B9%89%E4%B8%80%E4%B8%AA%E5%A4%8D%E6%95%B0%E7%B1%BBComplex%2C%E9%87%8D%E8%BD%BD%E8%BF%90%E7%AE%97%E7%AC%A6%E2%80%9C%2B%E2%80%9D%2C%E4%BD%BF%E4%B9%8B%E8%83%BD%E7%94%A8%E4%BA%8E%E5%A4%8D%E6%95%B0%E7%9A%84%E5%8A%A0%E6%B3%95%E8%BF%90%E7%AE%97.%E5%8F%82%E5%8A%A0%E8%BF%90%E7%AE%97%E7%9A%84%E4%B8%A4%E4%B8%AA%E8%BF%90%E7%AE%97%E9%87%8F%E5%8F%AF%E4%BB%A5%E9%83%BD%E6%98%AF%E5%A4%8D%E6%95%B0%E7%B1%BB%E5%AF%B9%E8%B1%A1%2C%E4%B9%9F%E5%8F%AF%E4%BB%A5)
(C++)定义一个复数类Complex,重载运算符“+”,使之能用于复数的加法运算.定义一个复数类Complex,重载运算符“+”,使之能用于复数的加法运算.参加运算的两个运算量可以都是复数类对象,也可以
(C++)定义一个复数类Complex,重载运算符“+”,使之能用于复数的加法运算.
定义一个复数类Complex,重载运算符“+”,使之能用于复数的加法运算.参加运算的两个运算量可以都是复数类对象,也可以其中一个是整数.例如:c1+c2,c1+i,i+c1均合法(其中i为整数,c1、c2为复数).在main函数中调用重载运算符,分别求两个复数之和、复数和整数之和
(C++)定义一个复数类Complex,重载运算符“+”,使之能用于复数的加法运算.定义一个复数类Complex,重载运算符“+”,使之能用于复数的加法运算.参加运算的两个运算量可以都是复数类对象,也可以
#include <iostream>
using namespace std;
class Complex
{
public:
Complex(double r=0,double i=0):real(r),imag(i)
{
};
friend Complex operator +(Complex &c1,Complex &c2);
friend Complex operator +(Complex &c,double i);
friend Complex operator +(double i,Complex &c);
friend ostream& operator << (ostream&,Complex&); //声明重载运算符“<<”
friend istream& operator >> (istream&,Complex&); //声明重载运算符“>>”
private:
double real;
double imag;
};
Complex operator +(Complex &c1,Complex &c2)
{
return Complex(c1.real+c2.real,c1.imag+c2.imag);
}
Complex operator +(Complex &c,double i)
{
return Complex(i+c.real,c.imag);
}
Complex operator +(double i,Complex &c)
{
return Complex(i+c.real,c.imag);
}
ostream& operator << (ostream& output,Complex& c) //定义重载运算符“<<”
{
output<<"("<<c.real<<"+"<<c.imag<<"i)";
return output;
}
istream& operator >> (istream& input,Complex& c) //定义重载运算符“>>”
{
cout<<"input real part and imaginary part of complex number:";
input>>c.real>>c.imag;
return input;
}
int main( )
{
Complex c1(3,4),c2(3,2),c3,c4,c5;
c3=c1+c2;
c4=5+c2;
c5=c1+5;
cout<<"c3="<<c3<<endl;
cout<<"c4="<<c4<<endl;
cout<<"c5="<<c5<<endl;
return 0;
}