// File:	ratio.cpp
// Description:	Deklaracia metod triedy Ratio
// Project:	-
// Version:	1.00
// Revision:	A
// Content:	 
//		
//
// Language:	Zortech C++, ver. 3.0
// OS:		MS-DOS
// Date:	04.04.1997
// Author:	Peter Fabo
// e-Mail:	fabo@fmph.uniba.sk
// Phone:	00421 7 654 24 000 kl. 516
//

#include "ratio.hpp"

Ratio::Ratio(int n, int d)
{
  nominator  =n;
  denominator=d;
}

Ratio operator+(Ratio &a, Ratio &b)
{
 Ratio tmp;

 tmp.nominator=(a.nominator*b.denominator + a.denominator*b.nominator);
 tmp.denominator=a.denominator*b.denominator;
 return tmp;
}

ostream & operator<<(ostream &out, Ratio &r)
{
  r.kratenie();
  out<<"["<<r.nominator<<"/"<<r.denominator<<"]";
  return out;
}

Ratio & Ratio::operator=(Ratio &r)
{
  nominator=r.nominator;
  denominator=r.denominator;
  kratenie();
  return *this;
}

istream & operator>>(istream &inp, Ratio &r) 
{
  cout<<"nominator :";
  inp>>r.nominator;
  cout<<"denominator  :";
  inp>>r.denominator;
  return inp;
}

void Ratio::kratenie()
{
  int c=nsd(nominator,denominator);
  nominator/=c;
  denominator/=c;
}

int Ratio::nsd(int x, int y)
{
  return y ? nsd(y, x%y) : x;
}

// koniec suboru ratio.cpp