Re: swapping two numbers

Le vendredi 23 juin 2006 à 17:40, Samy Kamkar écrivait:
> Although x could overflow in this case, where it wouldn't with an xor, 
> right?

I've quickly tried to overflow it, but I didn't manage to break it.
It looks like even if you overflow x with the first addition, you
cross the border in the other direction when doing the substraction.

-- 
 Philippe "BooK" Bruhat

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