Looked it up in Wikipedia (
http://en.wikipedia.org/wiki/Cyclic_redundancy_check) which had a number of
ways to calculate CRC. Not sure which one J supports. But there were several
there for 32 bit CRC.

On Fri, Nov 27, 2009 at 9:17 AM, bill lam <[email protected]> wrote:

> On Fri, 27 Nov 2009, Don Guinn wrote:
> > The last 32 bits are the same. It's just that the number is too big for
> 32
> > bit representation.
> >
> >    (2x^32)+_3606737805x
> > 688229491
>
> If crc in J32 is 688229491 how can it tell if that for J64 will be
> _3606737805 or still be 688229491?
>
> --
> regards,
> ====================================================
> GPG key 1024D/4434BAB3 2008-08-24
> gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>
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