面向对象程序设计(C++)-大作业

华北科技学院计算机系综合性实验

实验报告

课程名称《面向对象程序设计(C++)》

实验学期 2012 至 2013 学年第一学期学生所在院部计算机学院

年级 2011 专业班级计科B11-1 学生姓名学号

任课教师

实验成绩

计算机系制

《面向对象程序设计(C++)》课程综合性实验报告

//********************************************************************************// // 复数类的设计// // 2007/11/27 华北科技学院// //********************************************************************************// #include

using namespace std;

class MyComplex;

MyComplex operator+(const MyComplex&,const MyComplex&);

MyComplex operator-(const MyComplex&,const MyComplex&);

MyComplex operator*(const MyComplex&,const MyComplex&);

MyComplex operator/(const MyComplex&,const MyComplex&);

ostream& operator<<(ostream&,MyComplex);

istream& operator>>(istream&,MyComplex&);

bool operator==(const MyComplex&,const MyComplex&);

bool operator!=(const MyComplex&,const MyComplex&);

class MyComplex

{

public:

MyComplex();

MyComplex(int);

MyComplex(int,int);

MyComplex(const MyComplex&);

MyComplex& operator=(const MyComplex&);

MyComplex& operator+=(const MyComplex&);

MyComplex& operator-=(const MyComplex&);

MyComplex& operator*=(const MyComplex&);

friend MyComplex operator+(const MyComplex&,const MyComplex&);

friend MyComplex operator-(const MyComplex&,const MyComplex&);

friend MyComplex operator*(const MyComplex&,const MyComplex&);

friend MyComplex operator/(const MyComplex&,const MyComplex&);

friend bool operator==(const MyComplex&,const MyComplex&);

friend bool operator!=(const MyComplex&,const MyComplex&);

friend ostream& operator<<(ostream&,MyComplex);

friend istream& operator>>(istream&,MyComplex&);

private:

int rem,imp;

};

//---------------------------------------------------------------

MyComplex::MyComplex()

{

rem=0;

imp=0;

}

MyComplex::MyComplex(int a)

{

rem=a;

imp=0;

}

MyComplex::MyComplex(int a,int b)

{

rem=a;

imp=b;

}

{

rem=v.rem;

imp=v.imp;

}

//---------------------------------------------------------------

MyComplex& MyComplex::operator=(const MyComplex& n) {

rem=n.rem;

imp=n.imp;

return *this;

}

MyComplex& MyComplex::operator+=(const MyComplex& n) {

rem+=n.rem;

imp+=n.imp;

return *this;

}

MyComplex& MyComplex::operator-=(const MyComplex& n) {

rem-=n.rem;

imp-=n.imp;

return *this;

}

MyComplex& MyComplex::operator*=(const MyComplex& n) {

return *this;

}

MyComplex& MyComplex::operator/=(const MyComplex& n)

{

return *this;

}

//------------------------------------------------------------------------------ MyComplex operator+(const MyComplex& m,const MyComplex& n) {

MyComplex t;

t.rem=m.rem+n.rem;

t.imp=m.imp+n.imp;

return t;

}

MyComplex operator-(const MyComplex& m,const MyComplex& n) {

MyComplex t;

t.rem=m.rem-n.rem;

t.imp=m.imp-n.imp;

return t;

}

MyComplex operator*(const MyComplex& m,const MyComplex& n) {

MyComplex t;

t.rem=m.rem*n.rem-m.imp*n.imp;

t.imp=m.rem*n.imp+m.imp*n.rem;

return t;

}

MyComplex operator/(const MyComplex& m,const MyComplex& n) {

MyComplex t;

t.rem=(m.rem*n.rem+m.imp*n.imp)/(n.rem*n.rem+n.imp*n.imp);

t.imp=(m.imp*n.rem-m.rem*n.imp)/(n.rem*n.rem+n.imp*n.imp);

return t;

}

//-------------------------------------------------------------------------

bool operator==(const MyComplex& m,const MyComplex& n) {

return((m.rem==n.rem)&&(m.imp==n.imp));

}

bool operator!=(const MyComplex& m,const MyComplex& n) {

return((m.rem!=n.rem)||(m.imp!=n.imp));

}

//------------------------------------------------------------------------- ostream& operator<<(ostream& s,MyComplex t)

{

if(t.imp==0)

s<

else

s<

return s;

}

istream& operator>>(istream& s,MyComplex& t)

{

s>>t.rem>>t.imp;

return s;

}

//-------------------------------------------------------------------------- void main()

{

MyComplex a,b;

cout<<"please input the first MyComplex a:"<>a;

cout<<"please input the second MyComplex b:"<>b;

cout<<"a="<

cout<<"a+b="<

cout<<"a-b="<

cout<<"a*b="<

cout<<"a/b="<

cout<<"---------------"<

cout<<"a="<

cout<<"a+=b is"<<(a+=b);

cout<<"a-=b is"<<(a-=b);

cout<<"a*=b is"<<(a*=b);

cout<<"a/=b is"<<(a/=b);

cout<<"---------------"<

cout<<"a==b is "<<(a==b)<

cout<<"a!=b is "<<(a!=b)<

}