Subj : Re: faster approach to division
To   : comp.programming
From : Willem
Date : Tue Jul 12 2005 11:05 pm

Mark wrote:
) I assume then that the divisor was known to you at compile time.  My 
) situation is more like: x / f(...) where f(...) will always return +/-1 
) or +/-2, determined at run time.

*always* ?

In that case, I guess you can come up with something faster,
but you need to think beyond 'if' statements.

there may be some bit twiddling trick.


SaSW, Willem
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