piclist 1996\05\28\194155a >
Thread: 16bit divide by 10
www.piclist.com/techref/method/math.htm?key=divide
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face BY : Steve Hardy email (remove spam text)



> From: James Musselman <TakeThisOuTjamesspam_OUTspamSTOPspamRADIXGROUP.COM>
>
> Scott Dattalo wrote:
>
> > 1/10 = 0.00011001100110011001100110011001100 ..... (base 2)
> >
> > This can be rewritten to emphasize the optimization:
> > 1/10 = 2 * (3/16 + 3/256 + 3/4096 + ... + 3/(2^(4*m)) )
>
> Isn't the above line wrong?  Isn't 2 * 3/16 greater than 1/10?  Or am I
missing
>  something?
> James
>

Scott meant the initial coefficient to be 1/2 not 2.  Scott
must have had an April 1 calculator since he also claimed that

> > 1/10 = 6* [1/ (1 -1/16) - 1] = 6 ( 16/15 - 1) = 1/10  (The check is good!)


SJH
<9605282342.AA23281@keeper.stortek.com>

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