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McEs, A Hacker Life

[behdad@home ~]$ cat a.c                                                                                                             
#include 

#define OVERFLOWS(x) ((long long)(x) != ((long long) x))

int
main (void)
{
  printf ("4*1073741828 overflows? %d\n", OVERFLOWS (4*1073741828));
  printf ("1073741828*4 overflows? %d\n", OVERFLOWS (1073741828*4));
  printf ("4*107741828  overflows? %d\n", OVERFLOWS (107741828*4 ));

  return 0;
}
[behdad@home ~]$ ./a
4*1073741828 overflows? 1
1073741828*4 overflows? 1
4*107741828  overflows? 0