//	Ex530.cc

//	Sec. 5.3 of lecture
//	Union

#include <iostream.h>

main()
{
//				new union
 union operand
  {
    int    i;
    float  f;
    double d;
  };
//				Variable of union type
 operand u;
//				Data input 
 
 cout << endl << "Size (operand) : " << sizeof(u) << " Bytes" << endl; 
 
 u.i = 123;
 
 cout << endl << u.i << "  " << u.f << "  " << u.d << endl;
 
 u.f = 123;
 
 cout << endl << u.i << "  " << u.f << "  " << u.d << endl;

 u.d = 123;
 
 cout << endl << u.i << "  " << u.f << "  " << u.d << endl;
}