On Thu, 2009-12-03 at 04:22 -0800, John (Eljay) Love-Jensen wrote: > Hi Hajo, > > Normal promotion rules apply. > > You have both: > 1 << 31 (which is a signed int) Correct (on a machine with 32 bit int) > 0xFFFFFFFF (which is an unsigned int) wrong. That's an int with a bit pattern that's all 1's. On a two's complement machine with 32-bit ints that's equivalent to -1. If you want an unsigned value you need 0xFFFFFFFFU R.
