复数类的实现,写出三种构造函数,算术运算符、关系运算符、逻辑运算符重载尝试实现自增、自减运算符的重载
cpp
#include <iostream>
using namespace std;
class Num
{
int rel; //实部
int vir; //虚部
public:
Num():rel(2),vir(1){}
Num(int rel,int vir):rel(rel),vir(vir){}
Num &operator=(const Num &other)
{
cout << "Num的拷贝赋值函数" << endl;
this->rel = other.rel;
this->vir = other.vir;
return *this;
}
friend Num operator+(const Num n1,const Num n2);
Num operator-(Num &other);
friend Num operator*(const Num n1,const Num n2);
Num operator/(const Num n1);
friend Num operator%(const Num n1,const Num n2);
friend bool operator>(const Num n1,const Num n2);
bool operator<(const Num n1);
friend bool operator>=(const Num n1,const Num n2);
bool operator==(const Num n1);
friend bool operator<=(const Num n1,const Num n2);
friend bool operator&&(const Num n1,const Num n2);
bool operator||(const Num n1);
bool operator!();
friend Num operator++(Num &n1);
Num operator++(int);
friend Num operator--(Num &n1);
Num operator--(int);
void show();
};
Num operator+(const Num n1,const Num n2)
{
Num temp;
temp.rel = n1.rel+n2.rel;
temp.vir = n1.vir+n2.vir;
return temp;
}
Num Num::operator-(Num &other)
{
Num temp;
temp.rel = this->rel-other.rel;
temp.vir = this->vir-other.vir;
return temp;
}
Num operator*(const Num n1,const Num n2)
{
Num temp;
temp.rel = n1.rel*n2.rel;
temp.vir = n1.vir*n2.vir;
return temp;
}
Num Num::operator/(const Num n1)
{
Num temp;
temp.rel = this->rel/n1.rel;
temp.vir = this->vir/n1.vir;
return temp;
}
Num operator%(const Num n1,const Num n2)
{
Num temp;
temp.rel = n1.rel%n2.rel;
temp.vir = n1.vir%n2.vir;
return temp;
}
bool operator>(const Num n1,const Num n2)
{
if(n1.rel>n2.rel)
{
return n1.rel>=n2.rel;
}
else if(n1.rel==n2.rel)
{
return n1.vir>=n2.vir;
}
return n1.rel>=n2.rel;
}
bool Num::operator<(const Num n1)
{
if(this->rel<n1.rel)
{
return this->rel<n1.rel;
}
else if(this->rel==n1.rel)
{
return this->vir<n1.vir;
}
return this->rel<n1.rel;
}
bool operator>=(const Num n1,const Num n2)
{
if(n1.rel>n2.rel)
{
return n1.rel>n2.rel;
}
else if(n1.rel==n2.rel)
{
return n1.vir>=n2.vir;
}
return n1.vir>n2.vir;
}
bool Num::operator==(const Num n1)
{
return (this->rel==n1.rel)&&(this->vir==n1.vir);
}
bool operator<=(const Num n1,const Num n2)
{
if(n1.rel<n2.rel)
{
return n1.rel<n2.rel;
}
else if(n1.rel==n2.rel)
{
return n1.vir<=n2.vir;
}
return n1.vir<n2.vir;
}
bool operator&&(const Num n1,const Num n2)
{
return (n1.rel&&n2.rel)||(n1.vir&&n2.vir);
}
bool Num::operator||(const Num n1)
{
return (this->rel||n1.rel)&&(this->vir||n1.vir);
}
bool Num::operator!()
{
return !(this->rel||this->vir);
}
Num operator++(Num &n1)
{
++(n1.rel);
++(n1.vir);
return n1;
}
Num Num::operator++(int)
{
Num temp;
temp.rel=this->rel++;
temp.vir=this->vir++;
return temp;
}
Num operator--(Num &n1)
{
--(n1.rel);
--(n1.vir);
return n1;
}
Num Num::operator--(int)
{
Num temp;
temp.rel=this->rel--;
temp.vir=this->vir--;
return temp;
}
void Num::show()
{
cout << rel << " + " << vir << "i" << endl;
}
int main()
{
Num n1;
Num n2(1,4);
Num n3;
n3 = n1+n2;
n3.show();
Num n4;
n4=n1-n2;
n4.show();
n4++;
n4.show();
--n4;
n4.show();
cout<<(n4>=n3)<<endl;
Num n5;
n5--;
n5.show();
++n5;
n5.show();
cout<<(n2&&n3)<<endl;
cout<<(n2||n5)<<endl;
return 0;
}