1 files changed, 3 insertions, 0 deletions
diff --git a/src/Persistent_cohomology/example/rips_multifield_persistence.cpp b/src/Persistent_cohomology/example/rips_multifield_persistence.cpp
index 95ef8809..2505897e 100644
--- a/src/Persistent_cohomology/example/rips_multifield_persistence.cpp
+++ b/src/Persistent_cohomology/example/rips_multifield_persistence.cpp
@@ -30,6 +30,7 @@
 #include <boost/program_options.hpp>
 
 using namespace Gudhi;
+using namespace Gudhi::persistent_cohomology;
 
 typedef int    Vertex_handle;
 typedef double Filtration_value;
@@ -69,6 +70,8 @@ int main (int argc, char * argv[])
   st.insert_graph(prox_graph); // insert the proximity graph in the simplex tree
   st.expansion( dim_max ); // expand the graph until dimension dim_max
 
+  std::cout << "st=" << st << std::endl;
+
 // Sort the simplices in the order of the filtration
   st.initialize_filtration();