On Tue, 8 Feb 2005 15:23:06 +0100, Lourens Veen <[EMAIL PROTECTED]> wrote: > On Tuesday 08 February 2005 13:02, Lourens Veen wrote: > > > > Do note that what you're using is not the best possible linear > > approximation. Thinking graphically, you're drawing a straight line between > > the first and last point of the interval, so that you're always a little > > high in the approximation. If you draw that line a little lower, then > > you'll still be high in the middle, but low at the ends, and the error is > > more balanced. The real maximum error is thus about half that, so you get > > one bit more precision. > > Erm, of course not. The interval remains the same, so you don't have any extra > precision at all. It's just that you eliminate the systematic error.
We need a table and an algorithm that produces good results. Even with a fixed implementation, the table will be accessible in case someone comes up with better numbers. _______________________________________________ Open-graphics mailing list [email protected] http://lists.duskglow.com/mailman/listinfo/open-graphics List service provided by Duskglow Consulting, LLC (www.duskglow.com)
