/**
 * square a bunch of numbers.
 */

#include <stdio.h>

#ifndef MAXVAL
#define MAXVAL 10
#endif

#define SQUARE(X) ((X)*(X))


int
main ()
{
  int i;
  for (i = 0; i < MAXVAL; i++)
    {
      double d = i + 0.5;
      printf("%d squared is %d\n", i, SQUARE(i));
      printf("%lf squared is %lf\n", d, SQUARE(d));
    } // for
  printf("I expect 25, I get %d\n", SQUARE(2+3));
  int x = 3;
  printf("++x squared is %d\n", SQUARE(++x));
  printf("x= %d\n", x);


  return 0;
} // main