# HG changeset patch
# User Balazs Dezso <deba@inf.elte.hu>
# Date 2009-11-18 21:21:26
# Node ID 921d5bf41ac2b1ce8c154148398bc3c40a68ced0
# Parent  a2d5fd4c309a4c4431d3c2377cff197ebe0bf476

Fix in HartmannOrlin algorithm (#333)

diff --git a/lemon/hartmann_orlin.h b/lemon/hartmann_orlin.h
--- a/lemon/hartmann_orlin.h
+++ b/lemon/hartmann_orlin.h
@@ -598,7 +598,9 @@
             }
           }
           level[u] = Pair(i, j);
-          u = _gr.source(_data[u][j].pred);
+          if (j != 0) {
+	    u = _gr.source(_data[u][j].pred);
+	  }
         }
       }