On Sun, Jun 27, 2010 at 04:34:20PM -0400, Álvaro Begué wrote:
> 2010/6/27 Petr Baudis <[email protected]>
>
> > On Sun, Jun 27, 2010 at 12:23:08PM -0400, Álvaro Begué wrote:
> > > Precision is a tricky issue to deal with when implementing this. John
> > Tromp
> > > and I resorted to using integers as probabilities to avoid precision
> > > problems.
> >
> > Yes, precision is one thing I find tricky handling. I can't quite
> > imagine using integers right now, though. Do you mean doing fixed-point
> > arithmetic by that?
> >
>
> Yes. You can either use fixed-point arithmetic for the whole computation
> with gammas or you can just convert to fixed-point at the end.
BTW, I have converted the calculations to fixed-point and it cleaned up
the code a lot and made it tiny bit faster, but otherwise I noticed no
significant playing performance change.
Petr "Pasky" Baudis
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