Or mult by 18, then divide by 256. Will not be any more accurate than
*9/128, but Divide by 256 is simply dropping the least sig byte.

<Mumbling to self> now I gotta buy a new calculator that has "dilberts" :-)

-- Mark

> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu]On Behalf
> Of David VanHorn
> Sent: Thursday, May 08, 2008 12:06 PM
> To: Microcontroller discussion list - Public.
> Subject: Re: [PIC] - Need fast divide by 14 constant routine? ( Random
> access8-bit data in PIC16F flash )
>
>
> Multiply by 9, then divide by 128?  (close..)
>
> It's not really apparent what you're trying to optimize.
> I had a problem once where I was trying to do bearing calculations,
> and I did NOT want to do 16 bit math, and I was able to do it in 8
> bit, forsaking degrees for "dilberts" where there are 256 dilberts of
> angle in a circle
> --
> http://www.piclist.com PIC/SX FAQ & list archive
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> http://mailman.mit.edu/mailman/listinfo/piclist
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>



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