c++分数运算符重载

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1、《c++面向对象程序设计》大作业报告班级：计科1102班学号：0304110233姓名：张静成绩：题目：8—1内容：对分数的+-*/运算符,及输入、输出的重载。设计思路：分数的+-*/运算符定义为分数类的成员函数或友元函数，输入输出定义为分数类的友元函数。程序代码：#includeusingnamespacestd;classfactor;factoroperator+(factorc1,factorc2);factoroperator-(factorc1,factorc2);classfactor//分数

2、类声明{public://外部接口factor(intm=0,intd=0){mole=m;deno=d;}//构造函数friendfactoroperator+(factorc1,factorc2);//运算符+重载为友元函数friendfactoroperator-(factorc1,factorc2);//运算符-重载为友元函数factoroperator*(factorc2);//*重载为成员函数factoroperator/(factorc2);///重载为成员函数intM_C_divisor();friendist

3、ream&operator>>(istream&s,factor&z){cout<<"请输入一个分数的分子和分母(用空格分割分子分母)：";s>>z.mole>>z.deno;returns;}friendostream&operator<<(ostream&s,factor&z){z.M_C_divisor();s<<"("<

4、sor;};factoroperator+(factorc1,factorc2)//运算符重载友元函数实现{intm,n,r,b;m=c1.deno;n=c2.deno;b=m*n;r=m%n;while(r!=0){m=n;n=r;r=m%n;}b=b/n;c2.mole=c2.mole*b/c2.deno;c1.mole=c1.mole*b/c1.deno;returnfactor(c2.mole+c1.mole,b);}factoroperator-(factorc1,factorc2)//运算符重载友元函数实现{int

5、m,n,r,b;m=c1.deno;n=c2.deno;b=m*n;r=m%n;while(r!=0){m=n;n=r;r=m%n;}b=b/n;c2.mole=c2.mole*b/c2.deno;c1.mole=c1.mole*b/c1.deno;returnfactor(c1.mole-c2.mole,b);}factorfactor::operator*(factorc2)//重载函数实现{factorc;c.mole=c2.mole*mole;c.deno=c2.deno*deno;returnfactor(c.mol

6、e,c.deno);}factorfactor::operator/(factorc2)//重载函数实现{factorc;c.mole=c2.mole*deno;c.deno=c2.deno*mole;returnfactor(c.mole,c.deno);}intfactor::M_C_divisor(){intm,n,r;m=mole;n=deno;r=m%n;while(r!=0){m=n;n=r;r=m%n;}divisor=n;returndivisor;}intmain(){factorf1;cin>>f1;cou

7、t<<"f1="<>f2;cout<<"f2="<