Re: [gnugo-devel] optics patch

[Paul Pogonyshev]

Gunnar wrote:
> Paul wrote (on January 2):
> > this patch fixes ninestones:290 (one of the tests i've submitted
> > recently). it has no other impact on regressions.
> >
> > - evaluate_diagonal_intersection() tries additional moves to
> >   defend a diagonal
> > - does_secure() made global and moved to reading.c
>
> It causes an assertion failure in the appended game.

sorry. here is the fix.

Paul


Index: engine/optics.c
===================================================================
RCS file: /cvsroot/gnugo/gnugo/engine/optics.c,v
retrieving revision 1.67
diff -u -p -r1.67 optics.c
--- engine/optics.c     23 Jan 2003 21:59:03 -0000      1.67
+++ engine/optics.c     27 Jan 2003 23:21:56 -0000
@@ -1731,7 +1731,7 @@ evaluate_diagonal_intersection(int m, in
          int lib;
 
          if (board[diagonal] == other && findlib(diagonal, 1, &lib) == 1) {
-           if (does_secure(color, lib, pos)) {
+           if (lib != pos && does_secure(color, lib, pos)) {
              value = 1.0;
              apos = lib;
              break;