Cope if 'best' doesn't find anything any good.

diff --git a/bestmatch.c b/bestmatch.c
index 8a14b6b25ee9b230ae8452e44588afa4825daed8..3d7357777abb42c18c440c6baadf5b1cbc9df2f9 100644 (file)
--- a/bestmatch.c
+++ b/bestmatch.c
@@ -348,7 +348,8 @@ void remap(struct best *best, int cnt,
 
        if (a1.elcnt == 0 && a2.elcnt == 0) return;
 
-       for (b=1; b<cnt; b++) {
+       for (b=1; b<cnt; b++)
+          if (best[b].val>0) {
 #if 0
                printf("best %d,%d  %d,%d\n",
                       best[b].xlo,best[b].ylo,