On 14.04.2009, at 01:44, Luca C. wrote:
You can put every (unsigned) value you want in there, though in general it's used passing (unsigned)time(NULL) as parameter. This way you'll always get a different int.
No you won't. It's a *random* number generator. The seed simply means you get a different sequence of random numbers. However, random really means RANDOM. I.e. it's perfectly possible to get the same number three times in a row during a sequence. That would still be random.
I think it would be best if Eric told us what he's trying to do. For example, in some cases, (e.g. sorting) you actually want to build a new list and shuffle that by returning random numbers from your sort function. In that case, since your list only contains each item once, and your random numbers only affect their order, it's perfectly OK to just return a random number. You'll still get a shuffled list with each item only once.
OTOH, in other cases, you might actually have to do the looping thing and just keep asking for a new random number until you get one that isn't the previous number.
Cheers, -- Uli Kusterer "The Witnesses of TeachText are everywhere..." http://www.zathras.de _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
