+++ /dev/null
-int
-f (unsigned bitcount, int mant)
-{
- int mask = -1 << bitcount;
- {
- if (! (mant & -mask))
- goto ab;
- if (mant & ~mask)
- goto auf;
- }
-ab:
- return 0;
-auf:
- return 1;
-}
-
-main ()
-{
- if (f (0, -1))
- abort ();
- exit (0);
-}