#include <stdio.h>
void printBits( void *ptr );


int f( int x)
{
   printf("   f: x = %d , in binary: ", x);
   printBits(&x);
   printf("\n");

   float r;

   r = x*x;

   printf("   f: r = %f , in binary: ", r);
   printBits(&r);
   printf("\n");

   return(r);
}