# HG changeset patch
# User Peter Kovacs <kpeter@inf.elte.hu>
# Date 2008-11-03 22:30:21
# Node ID aa75d24ba7d085884a4f98a64cddfb7de1ab8925
# Parent  80a4d0742e985cb88650088846ddb8f0ab9f3534

Bug fix in FullDigraphBase::findArc()

diff --git a/lemon/full_graph.h b/lemon/full_graph.h
--- a/lemon/full_graph.h
+++ b/lemon/full_graph.h
@@ -75,7 +75,7 @@
     typedef True FindArcTag;
 
     Arc findArc(Node s, Node t, Arc prev = INVALID) const {
-      return prev != INVALID ? arc(s, t) : INVALID;
+      return prev == INVALID ? arc(s, t) : INVALID;
     }
 
     class Node {