On Fri, Jul 25, 2003 at 04:30:24PM +0200, Jonas Maebe wrote: > > On vrijdag, jul 25, 2003, at 16:32 Europe/Brussels, James Mills wrote: > > >>In Pascal, all calculations are performed using the base type (which > >>is > >>longint in FPC), so if w > 255, then w shl 8 > high(word) and will > >>result in a range check error when assigning to swapWord. Even if we > >>calculated everything using words, you'd still get an overflow error, > >>this time when doing the shl. > > > >How can I correct this ? > > Use a typecast: > > function swapWord(w: Word): Word; > begin > swapWord := Word((w SHL 8) OR (w SHR 8)); > end;
Excellent thank you :) James > > > Jonas > > > _______________________________________________ > fpc-pascal maillist - [EMAIL PROTECTED] > http://lists.freepascal.org/mailman/listinfo/fpc-pascal -- - -Zero Defect Software Engineers Group - ZDSEG - -You need only two tools. WD-40 and duct tape. -If it doesn't move and it should, use WD-40. -If it moves and shouldn't, use the tape. _______________________________________________ fpc-pascal maillist - [EMAIL PROTECTED] http://lists.freepascal.org/mailman/listinfo/fpc-pascal
