diff --git a/contribution/branches/PhyloMOEA/PhyloMOEA/phylotreeIND.cpp b/contribution/branches/PhyloMOEA/PhyloMOEA/phylotreeIND.cpp
index c66c90a54..ff13f093f 100644
--- a/contribution/branches/PhyloMOEA/PhyloMOEA/phylotreeIND.cpp
+++ b/contribution/branches/PhyloMOEA/PhyloMOEA/phylotreeIND.cpp
@@ -253,7 +253,7 @@ edge phylotreeIND::choose_edge_fromside( int idx, bool side ) const
 // select and edge from a side of a split
 // true = inside
 // false = outside
-edge phylotreeIND::choose_edge_fromside_2( struct split_info &info, bool inside ) const
+edge phylotreeIND::choose_edge_fromside_2( struct split_info *info, bool inside ) const
 {
 	edge edgeaux;
 	bool chosen = false;
@@ -261,20 +261,21 @@ edge phylotreeIND::choose_edge_fromside_2( struct split_info &info, bool inside
 	{
 		edgeaux = select_edge();
 		struct split_info *info2 = interior_edge[edgeaux];
+		if ( info == NULL ) return edgeaux;
 		if( is_internal(edgeaux) )
 		{
 		      int taxon_map = splitstable[ taxon_id(edgeaux.target()) ].map_to_node;
 		      if( inside)
-			  chosen = ( taxon_map  >= info.left  && taxon_map <= info.right );
+			  chosen = ( taxon_map  >= info->left  && taxon_map <= info->right );
 		      else
-			  chosen = ( taxon_map  < info.left  || taxon_map > info.right );
+			  chosen = ( taxon_map  < info->left  || taxon_map > info->right );
 		}
 	        else 
 		{
 		      if ( inside )
-			  chosen = ( info.left <= info2->left && info.right >= info2->right );
+			  chosen = ( info->left <= info2->left && info->right >= info2->right );
 		      else
-			  chosen = ( info.left > info2->right || info.right < info2->left );
+			  chosen = ( info->left > info2->right || info->right < info2->left );
 		}
 
 	}
@@ -371,6 +372,13 @@ void phylotreeIND::init()
 }
 
 
+bool phylotreeIND::split2(edge edgeaux)
+{
+      if (is_internal(edgeaux)) return 0;
+      struct split_info *part_info = interior_edge[edgeaux];
+      return (part_info->side == 0);
+}
+
 
 
 
diff --git a/contribution/branches/PhyloMOEA/PhyloMOEA/phylotreeIND.h b/contribution/branches/PhyloMOEA/PhyloMOEA/phylotreeIND.h
index 3f9c88aa8..738ff1436 100644
--- a/contribution/branches/PhyloMOEA/PhyloMOEA/phylotreeIND.h
+++ b/contribution/branches/PhyloMOEA/PhyloMOEA/phylotreeIND.h
@@ -111,7 +111,7 @@ class phylotreeIND
 		void mutate_branch_lenght ( float );
 		edge select_edge_outsidetree ( edge source_edge ) const;
 		edge choose_edge_fromside ( int id, bool side ) const;
-		edge choose_edge_fromside_2( struct split_info &info, bool inside ) const;
+		edge choose_edge_fromside_2( struct split_info *info, bool inside ) const;
 		edge choose_neighboor ( edge, node ) const;
 
 
@@ -204,6 +204,7 @@ class phylotreeIND
 		inline bool splits_valid() const { return valid_splits; }
 		inline bool split ( edge edgeaux, node nodeaux ) const
 		{ return split_bits[ edgeaux.id() * TREE.number_of_nodes() + nodeaux.id() ]; }
+		bool split2(edge edgeaux);
 
 		void read_newick ( string newickstring );
 		void read_newick2 ( string newickstring );