Re: [computer-go] Pattern Matcher (was M.Boon-Library)

["Chris Fant" <fantius75@xxxxxxxxxxx>]

I have said I think our approaches are very similar, but one way that my 
pattern matcher differes from other peoples' (but probably not yours) is 
that I cannot represent any type of wildcard in the pattern.  Can you do 
that in your 44 bits?  I suspect not.  If so, please enlighten me.

From: "Frank de Groot" <frank@xxxxxxxxxxxxxxxxx>
> Reply-To: computer-go <computer-go@xxxxxxxxxxxxxxxxx>
> To: "computer-go" <computer-go@xxxxxxxxxxxxxxxxx>
> Subject: Re: [computer-go] Pattern Matcher (was M.Boon-Library)
> Date: Wed, 27 Oct 2004 18:00:27 +0200
>
> > One example, for half board pattern, I only need a
> > line of 10 numbers to represent a pattern.
> >
> > I thought other people do similar things. Seems it is
> > not?
> >
> > I am not sure if this is efficient or not from
> > expert's view.
>
>
> It is quite inefficient.
> I use 44 bits for any pattern, even huge patterns with e.g. 40 or 50 stones
> in them that span an area of half the board or even the entire board.
>
> So, I use one 44-bit number for any pattern.
>
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