# HG changeset patch
# User Balazs Dezso <deba@inf.elte.hu>
# Date 2010-04-12 13:59:41
# Node ID 1aa7eba26af5b7d5d7962840670e1d73299ce7ee
# Parent  1f2a734581f85bc001cc12ab13e3ecc31ecdf838

Fix PredMatrixMapPath::empty() (#366)

diff --git a/lemon/bits/path_dump.h b/lemon/bits/path_dump.h
--- a/lemon/bits/path_dump.h
+++ b/lemon/bits/path_dump.h
@@ -120,7 +120,7 @@
     }
 
     bool empty() const {
-      return source != target;
+      return predMatrixMap(source, target) == INVALID;
     }
 
     class RevArcIt {