[boost] copying multigraphs

From: Mohamed Anouar Rachdi (marachdi_at_[hidden])
Date: 2006-10-05 14:33:49

#########################################################################
  typename graph_traits<Graph>::edge_descriptor    ed;
  bool                                exist;

  typename graph_traits<Graph>::edge_iterator     ei,  ei_end;

  Graph copyGraph;

 
  typename boost::property_map<Graph, edge_weight_t>::type weight =     
get(edge_weight, graph);
  typename boost::property_map<Graph, edge_index_t>::type edge_id =     
get(edge_index, graph);   

  typename boost::property_map<Graph, edge_weight_t>::type weightc =     
get(edge_weight, copyGraph);
  typename boost::property_map<Graph, edge_index_t>::type edge_idc =     
get(edge_index, copyGraph);   

  for ( tie(ei, ei_end)=edges(graph); ei != ei_end; ei++ )
    {
      tie(ed, exist)= add_edge( source(*ei,graph), target(*ei,graph), 
copyGraph);
      put(edge_idc, ed, edge_id[*ei]);
      put(weightc, ed, weight[*ei]);
    }

##############################################################################

hello everyone,

i have a problem with this code that is used inside a fonction wich a 
call in a loop

after 2 or 3 calls i have a segfault at the line with add_edge

i'm using multigraphs

Ps : i got the same probleme whiel using  copy_graph(graph,copyGraph)

is there any suggestions.....

thanx