// Driver Program for testing rational class
// for Problem 6.7 in D&D

#include "rational.h"
#include <iostream.h>
#include <iomanip.h>

main()
{
  rational r1, r2(1,2), r3(40,50);

  cout << "Initial Values: " << endl;
  cout << " r1 = ";
  r1.printfract();
  cout << " r1 = ";
  r1.printfloat();
  cout << " r2 = ";
  r2.printfract();
  cout << " r2 = ";
  r2.printfloat();
  cout << " r3 = ";
  r3.printfract();
  cout << " r3 = ";
  r3.printfloat();
  cout << endl;

  cout << "Setting r1 to r2 + r3.... " << endl;
  r1 = r2.add(r3);
  cout << "r1 = ";
  r1.printfract();
  
  // NOTE: can return directly to the print function
  // left to right evaluation
  cout << "r2 + r3 = ";
  r2.add(r3).printfract();

  cout << "r2 - r3 = ";
  r2.subtract(r3).printfract();

  cout << "r2 * r3 = ";
  r2.mult(r3).printfract();

  cout << "r2 / r3 = ";
  r2.divide(r3).printfract();

  return 0;
}