#include <iostream>
#include "rat.h"

//private members

rational::rational(){
     numer = 0;
     denom = 1;
}

rational::rational (int num, int den){
    numer = num;
    denom = den;
}

void rational::print() const {
    cout << numer << "/" << denom;
}

int rational::numerator() const {
    return(numer);
}

int rational::denominator() const{
    return(denom);
}


float rational::value() const{
    return(float(numer)/float(denom));
}

int rational::compare( rational b) const{
       // return -1 if this one is smaller
       // return 0 if they are the same
       // return 1 if this one is bigger

     return(0);
}

rational rational::add(rational b) const{
      rational rv;

      return(rv);
}

rational rational::subtract(rational b) const{
      rational rv;

      return(rv);
}

rational rational::mpy(rational b) const{
     rational rv;
 
     rv.numer = numer * b.numer;
     rv.denom = denom * b.denom;

     return(rv);
}

rational rational::divide(rational b) const{
      // divide this value by   b and return the reslult
    return(b);
}

void rational::read() {
      // read in a rational number
      // in the form a/b
      
}

int find_gcf(int numer,int denom) {
   return(1);
}

      //  remove common factors from numerator and denominator
void rational::reduce() {
       int gcf;

       gcf = find_gcf(numer, denom);
       numer = numer/ gcf;
       denom = denom / gcf;
}

bool rational::operator ==(rational b) {
    if ((numer==b.numer) && (denom == b.denom) ) {
       return(true);
    } else {
       return(false);
    }
}

rational rational::operator +( rational b) {
     rational rv;
     rv.numer = numer* b.denom + b.numer * denom;
     rv.denom = denom * b.denom;

     return(rv);
}

rational rational::operator +( int b) {
     rational rv;
     rv.numer = numer + b *denom;
     rv.denom = denom;

     return(rv);
}

ostream& operator <<(ostream & s, rational a) {
     s << a.numer;
     s << "/";
     s << a.denom;

     return(s);
}