Author: Sune Fischer
Date: 08:02:23 12/05/01
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On December 05, 2001 at 10:52:39, Gerd Isenberg wrote: >You are completely right. i meant the normal subtraction via twos complement. I >intuitively made the totally wrong assumption, that the difference is unique if >no bits are common in both operands - specially in a 64 bit word where only bits >8-55 may set. > >Sorry for my nonsence and thanks for clarifying. > >Gerd Well maybe the AND would work after all, hard to imagine two pawns reversing squares but I guess it can happen. Prof. Hyatt has a good point though. -S.
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