题目内容
（请给出正确答案）
[主观题]
设有复数类COMPLEX，在复数类中重载乘法运算符。 下列哪项是运算符重载的正确的声明格式？
A、COMPLEX *(COMPLEX c1, COMPLEX c2);
B、COMPLEX * (COMPLEX c2);
C、COMPLEX operator * (COMPLEX c1, COMPLEX c2);
D、COMPLEX operator * (COMPLEX c2);
提问人：网友keny1104
发布时间：2022-01-06
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【说明】
以下【C++程序】实现一个简单的小型复数类MiniComplex，该复数类能进行输入、输出、复数的加法、减法、乘法和除法运算，还可以进行复数的相等比较。
【C++程序】
ifndef H_MiniComplex
define H_MiniComplex
include ＜iostream＞
using namespace std;
class MiniComplex{
public: //重载流插入和提取运算符
(1) ostream&operator＜＜(ostream &osObject,const MiniComplex&complex){
osObject＜＜"("＜＜complex.realPart＜＜"+"＜＜complex.imagPart＜＜"i"＜＜")";
return osObject;
}
(2) istream&operator＞＞(istream&isObject, MiniComplex&complex){
char ch;
isObject ＞＞complex.realPart＞＞ch＞＞complex.imagPart＞＞ch;
return isObject;
}
MiniComplex(double real=0,double imag=0); //构造函数
MiniComplex operator+(const MiniComplex&otherComplex)const; //重载运算符+
MiniComplex operator-(const MiniComplex&otherComplex)const; //重载运算符-
MiniComplex operator*(const MiniComplex&otherComplex)const; //重载运算符*
MiniComplex operator/(const MiniComplex&otherComplex)const; //重载运算符/
bool perator==(const MiniComplex&otherComplex)const; //重载运算符==
private :
double (3);
double imagPart;
};
end if
include "MiniComplex.h"
bool MiniComplex::operator==(const MiniComplex&otherComplex)const{
return(realPart==otherComplex.realPart&&imagPart==ortherComplex.imagPart);
}
MiniComplex::MiniComplex(double real,double imag){
realPart== real; imagPart==imagPart;
}
MiniComplex MiniComplex::operator+(const MiniComplex&otherComplex)const{
MiniComplex temp;
temp.realPart = realPart+ortherComplex. realPart;
temp.imagPart = imagPart +ortherComplex. imagPart;
return temp;
}
(4)
{ MiniComplex temp;
temp.realPart= realPart-ortherComplex. realPart;
temp.imagPart = imagPart-ortherComplex. imagPart;
return temp;
}
MiniComplex MiniComplex::operator*(const MiniComplex&otherComplex)const{
MiniComplex temp;
temp.realPart = (realPart*ortherComplex. realPart)-(imagPart *ortherComplex.imagPart);
temp.imagPart = (realPart*ortherComplex. imagPart)+(imagPart *ortherComplex.realPart);
return temp;
}
MiniComplex MiniComplex::operator/(const MiniComplex&otherComplex)const{
MiniComplex temp;
float tt;
tt=1/(ortherComplex.realPart*ortherComplex.realPart+ortherComplex.imagPart *ortherComplex. imagPart);
temp.realPart=((realPart*ortherComplex, realPart)+(imagPart *ortherComplex. imagPart))*tt;
temp.imagPart =((imagPart *ortherComplex. realPart)-(realPart*ortherComplex. imagPart))*tt;
return temp;
}
include ＜iostream＞
include ＜MiniComplex.h＞
using namespace std;
int main(){
MiniComplex numl(23, 34),num2(56, 35);
cout＜＜"Initial Value of num1="＜＜num1＜＜"\n Initial Value of num2="＜＜num2＜＜end1;
cout＜＜num1＜＜"+"＜＜num2＜＜"="＜＜num1+num2＜＜end1; //使用重载的加号运算符
cout＜＜num1＜＜"-"＜＜num2＜＜"="＜＜num
