C++综合实验——复数类的设计

#include <iostream.h> class MyComplex{ private: int real,imag; public: MyComplex(); MyComplex(int a); MyComplex(int a,int b); MyComplex(const MyComplex &v); MyComplex &operator=(const MyComplex &rhs); MyComplex &operator+=(const MyComplex& rhs); MyComplex &operator-=(const MyComplex& rhs); MyComplex &operator*=(const MyComplex& rhs); MyComplex &operator/=(const MyComplex& rhs); friend MyComplex operator+(MyComplex m,MyComplex n) ; friend MyComplex operator-(MyComplex m,MyComplex n) ; friend MyComplex operator*(MyComplex m,MyComplex n) ; friend MyComplex operator/(MyComplex m,MyComplex n) ; friend ostream &operator<<(ostream& s,MyComplex t); friend istream &operator>>(istream& s,MyComplex& t); }; MyComplex::MyComplex() { real=0; imag=0; } MyComplex::MyComplex(int a) { real=a; imag=0; } MyComplex::MyComplex(int a,int b) { real=a; imag=b; } MyComplex::MyComplex(const MyComplex& v){ real=v.real; imag=v.imag; } MyComplex& MyComplex::operator=(const MyComplex& rhs){ real=rhs.real; imag=rhs.imag; return *this; } MyComplex& MyComplex::operator+=(const MyComplex& rhs){ real+=rhs.real; imag+=rhs.imag; return *this; } MyComplex& MyComplex::operator-=(const MyComplex& rhs){ real-=rhs.real; imag-=rhs.imag; return *this; } MyComplex& MyComplex::operator*=(const MyComplex& rhs){ real*=rhs.real; imag*=rhs.imag; return *this; } MyComplex& MyComplex::operator/=(const MyComplex& rhs){ /*MyComplex x; x.real=(real*rhs.real+imag*rhs.imag)/(rhs.real*rhs.real+rhs.imag*rhs.imag); x.imag=(imag*rhs.real-real*rhs.imag)/(rhs.real*rhs.real+rhs.imag*rhs.imag); return x;*/ real/=rhs.real; imag/=rhs.imag; return *this; } MyComplex operator+(MyComplex m,MyComplex n){ return MyComplex(m.real+n.real,m.imag+n.imag); } MyComplex operator-(MyComplex m,MyComplex n) { return MyComplex(m.real-n.real,m.imag-n.imag); } MyComplex operator*(MyComplex m,MyComplex n) { return MyComplex(m.real*n.real-m.imag*n.imag,m.real*n.imag+m.imag*n.real); } MyComplex operator/(MyComplex m,MyComplex n) { MyComplex z ; z.real=(m.real*n.real+m.imag*n.imag)/(n.real*n.real+n.imag*n.imag); z.imag=(m.imag*n.real-m.real*n.imag)/(n.real*n.real+n.imag*n.imag); return z; } ostream &operator<<(ostream& s,MyComplex t) { if(t.imag!=0) { s<<t.real; s<<"+"<<t.imag<<"i"<<endl; } else s<<t.real<<endl; return s; } istream& operator>>(istream& s,MyComplex& t) { s>>t.real>>t.imag; return s; } void main() { MyComplex a,b; //int i,j,m,n; cout<<"please input the first MyComplex a:"<<endl; cin>>a; cout<<"please input the second MyComplex b:"<<endl; cin>>b; //MyComplex a(m,n),b(i,j),c,d,e; cout<<"a="<<a; cout<<"b="<<b; //c=a+b; cout<<"a+b="<<a+b; //d=a-b; cout<<"a-b="<<a-b; //e=a*b; cout<<"a*b="<<a*b; cout<<"a/b="<<a/b; }