|> On Fri, 2002-12-20 at 04:17, Andreas Schwab wrote:
|> > This is useless. Assigning -1 to any unsigned type is garanteed to give
|> > you all bits one, and with two's complement this also holds for any signed
|> > type.
|>
|> Only if the -1 is the same size as the unsigned type. Otherwise it will
|> be 0-extended.
Wrong. Unsigned arithmetics is defined as modulo MAX+1, and -1 equals MAX
modulo MAX+1 for every MAX.
Andreas.
-- Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux AG, Deutschherrnstr. 15-19, D-90429 Nürnberg Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/