Rational (Mini Project) - Algorithms Source Code in C++

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Home » C++ Home » Algorithms Home » Rational (Mini Project)

A D V E R T I S E M E N T

Title	Rational (Mini Project)
Author	Fatemeh Nezhadian
Author Email	janwin63 [at] yahoo.com
Description	About overloading of operators
Category	C++ » Algorithms
Hits	381339
Code	Select and Copy the Code
Code : //main subject:operator-overloading #include <iostream.h> class rational { private: int a; int b; public: rational(int=1,int=1); void set_ab(int,int); void print_fraction(); void print_floating(); rational operator+(rational object); rational operator-(rational object); rational operator(rational object); rational operator/(rational object); rational operator=(rational object); friend ostream &operator<<(ostream &,rational &); friend istream &operator>>(istream &,rational &); int operator==(rational object); int operator!=(rational object); int operator>(rational object); int operator<(rational object); }; /--------------------------------------------------------/ rational::rational(int m,int n) { set_ab(m,n); } /--------------------------------------------------------/ void rational::set_ab(int x,int y) { int temporary,m,n; m=x; n=y; if(n>m) { temporary=n; n=m; m=temporary; } while(m!=0 && n!=0) { if(m%n==0) break; temporary=m%n; m=n; n=temporary; continue; } a=x/n; b=y/n; } /--------------------------------------------------------/ void rational::print_fraction() { cout<<a<<"/"<<b<<"="; } /--------------------------------------------------------/ void rational::print_floating() { cout<<(float)a/b<<endl; } /--------------------------------------------------------/ rational rational::operator+(rational object) { rational temporary; temporary.a=aobject.b+bobject.a; temporary.b=bobject.b; return(temporary); } /--------------------------------------------------------/ rational rational::operator-(rational object) { rational temporary; temporary.a=aobject.b-bobject.a; temporary.b=bobject.b; return(temporary); } /--------------------------------------------------------/ rational rational::operator(rational object) { rational temporary; temporary.a=aobject.a; temporary.b=bobject.b; return(temporary); } /--------------------------------------------------------/ /* rational rational::operator/(rational object) { rational temporary; temporary.a=aobject.b; temporary.b=bobject.a; return(temporary); } / /--------------------------------------------------------/ rational rational::operator/(rational object) { a=aobject.b; b=bobject.a; return(this); } /--------------------------------------------------------/ rational rational::operator=(rational object) { a=object.a; b=object.b; return(this); } /--------------------------------------------------------/ ostream &operator<<(ostream &output,rational &object) { output<<object.a<<"/"<<object.b<<endl; return output; } /--------------------------------------------------------/ istream &operator>>(istream &input,rational &object) { cout<<"Enter a,b:"<<endl; input>>object.a; input>>object.b; return input; } /--------------------------------------------------------/ int rational::operator==(rational object) { if(a==object.a && b==object.b) return(1); else return(0); } /--------------------------------------------------------/ int rational::operator!=(rational object) { if(a!=object.a \|\| b!=object.b) return(1); else return(0); } /--------------------------------------------------------/ int rational::operator>(rational object) { return((a/b)>(object.a/object.b) ? 1:0); } /--------------------------------------------------------/ int rational::operator<(rational object) { return((a/b)<(object.a/object.b) ? 1:0); } /--------------------------------------------------------/ int main() { rational x(3,4),y(3,4),z1,z2,z3,z4,z5; if(x==y) {cout<<"These 2 fractions are equl."<<endl;} if(x!=y) {cout<<"These 2 fractions are not equl."<<endl;} if(x>y) {cout<<"x is bigger than y."<<endl; } if(x<y) {cout<<"x is smaller than y."<<endl;} z1=x+y; cout<<"z1=x+y="; z1.print_fraction(); z1.print_floating(); z2=x-y; cout<<"z2=x-y="; z2.print_fraction(); z2.print_floating(); z3=xy; cout<<"z3=xy="; z3.print_fraction(); z3.print_floating(); z4=x/y; cout<<"z4=x/y="; z4.print_fraction(); z4.print_floating(); z5=y=x; cout<<"x="; x.print_fraction(); x.print_floating(); cout<<"y="; y.print_fraction(); y.print_floating(); cout<<"z5="; z5.print_fraction(); z5.print_floating(); / rational k(1,1),l(1,1),z6,z7,z8,z9,z10; cin>>k>>l; if(k==l) {cout<<"These 2 fractions are equl."<<endl;} if(k!=l) {cout<<"These 2 fractions are not equl."<<endl;} if(k>l) {cout<<"k is bigger than l."<<endl;} if(k<l) {cout<<"k is smaller than l."<<endl;} z6=k+l; z7=k-l; z8=kl; z9=k/l; z10=l=k; cout<<"z6="<<z6<<"z7="<<z7<<"z8="<<z8<<"z9="<<z9; cout<<"k="<<k<<"l="<<l<<"z10="<<z10; / return(0); }

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