Author: Reinhard Scharnagl
Date: 11:51:04 03/02/06
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On February 28, 2006 at 15:31:52, Gerd Isenberg wrote: >On February 28, 2006 at 08:04:06, Reinhard Scharnagl wrote: > >>On February 28, 2006 at 07:07:23, h.g.muller wrote: >> >>>On February 28, 2006 at 02:57:37, Reinhard Scharnagl wrote: >>> >>>> >>>>When I had been working with a 0x88 structure I used to iterate by: >>>> >>>>coor = ((coor | ~0x77) + 1) & 0x77; >> >>Those days I missed to do the following (valid only in that context): >> >>((coor | ~0x77) + 1) & 0x77 == >>( coor + ~0x77 + 1) & 0x77 == >>(coor + (~0x77 + 1)) & 0x77 == >>(coor + (-0x77) ) & 0x77 == >>(coor - 0x77) & 0x77 >> >>what would have had the suggested form then. >> >>Reinhard. > >Oups - and i missed that you found the solution already! > >Sorry, >Gerd See also at: http://f51.parsimony.net/cgi-bin/topic-flat.cgi?Nummer=203932&Phase=Phase1&ThreadNummer=31 Reinhard.
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