Re: [gnugo-devel] gnugo without computer

[Gunnar Farneback]

Arend wrote:
> >   gnugo_play_move(0,0,BLACK); /* first move */
> >   showboard(0);
> >   gnugo_play_move(3,2,WHITE);
> >   showboard(0);
> >   score_estimate=gnugo_estimate_score(score_upper,score_lower)
> >
> > causes a Segmentation Fault.
> 
> I think you need to call silent_examine_position(...) before calling
> gnugo_estimate_score(...).
> 
> You can peek at gtp_estimate_score() in play_gtp.c for how this works.

That's correct, but gnugo_estimate_score() really should be
self-contained. Otherwise there's not much point with the gnugo_*
stuff. Actually I'm not convinced there's all that much point anyway,
but that's another question.

Appended patch should solve the problem.

/Gunnar

Index: engine/interface.c
===================================================================
RCS file: /cvsroot/gnugo/gnugo/engine/interface.c,v
retrieving revision 1.38
diff -u -r1.38 interface.c
--- engine/interface.c  18 Jan 2003 03:05:31 -0000      1.38
+++ engine/interface.c  17 Mar 2003 21:37:37 -0000
@@ -335,6 +335,7 @@
 float
 gnugo_estimate_score(float *upper, float *lower)
 {
+  silent_examine_position(WHITE, EXAMINE_DRAGONS);
   return estimate_score(upper, lower);
 }