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Re: [Bug-gnubg] Experimental rollout feature - error linking

From: Nardy Pillards
Subject: Re: [Bug-gnubg] Experimental rollout feature - error linking
Date: Tue, 24 Jun 2003 01:11:55 +0200

From: "Jim Segrave" <address@hidden>
Sent: Monday, June 23, 2003 11:53 PM

> I've added an option to the Rollout general settings page. It allows
> you to tell gnubg to terminate a rollout if, for all the displayed values:
> win/win gammon/win backgammon/lose gammon/lose backgammon/cubeless
> equity/[cubeful equity]
> the standard deviation is less than a user chosen fraction of the
> value. You can also set a minimum number of games, to try to ensure
> that a fluke run or rollouts doesn't give a temporarily low standard
> deviation with misleading results.
> Default is for the option to be off, the minimum number of games to be
> 144 and (if the option were enabled) to stop when the standard
> deviation is less than 10% of the value.
> It's only been lightly tested, but it does appear to work.
> This is part of the work I want to do in general on rollouts - saving
> positions, adding a batch rollout option and saving and restoring
> enough data to allow extending a rollout with little or no loss in
> accuracy.
> -- 
> Jim Segrave           address@hidden

ChangeLog 1.1124, Win32 build, GTK+ 1.3

Warning compiling:

gtkgame.c: In function `SetRolloutsOK':
gtkgame.c:5053: warning: implicit declaration of function

Error while linking:

gtkgame.o(.text+0x11b80):gtkgame.c: undefined reference to
gtkgame.o(.text+0x11ba9):gtkgame.c: undefined reference to


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