Add num_vertices method

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/toplex_map@3951 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: f91b42722e47c05da799ac40038f9f12eb70f974

2 files changed, 10 insertions, 1 deletions

diff --git a/src/Toplex_map/include/gudhi/Lazy_Toplex_map.h b/src/Toplex_map/include/gudhi/Lazy_Toplex_map.h
index 9aa163f9..434fea47 100644
--- a/src/Toplex_map/include/gudhi/Lazy_Toplex_map.h
+++ b/src/Toplex_map/include/gudhi/Lazy_Toplex_map.h
@@ -57,6 +57,10 @@ public:
     /** \brief Number of maximal simplices. */
     std::size_t num_maximal_simplices() const;
 
+  /** \brief Number of vertices. */
+  std::size_t num_vertices() const{
+    return t0.size();
+  }
     std::unordered_map<Vertex, std::size_t> gamma0_lbounds;
 
 private:
diff --git a/src/Toplex_map/include/gudhi/Toplex_map.h b/src/Toplex_map/include/gudhi/Toplex_map.h
index 4c6c4b02..565415e1 100644
--- a/src/Toplex_map/include/gudhi/Toplex_map.h
+++ b/src/Toplex_map/include/gudhi/Toplex_map.h
@@ -74,7 +74,12 @@ public:
     /** \brief Number of maximal simplices. */
     std::size_t num_maximal_simplices() const;
 
-    std::set<Toplex_map::Vertex> unitary_collapse(const Toplex_map::Vertex k, const Toplex_map::Vertex d);
+  /** \brief Number of vertices. */
+  std::size_t num_vertices() const{
+    return t0.size();
+  }
+
+  std::set<Toplex_map::Vertex> unitary_collapse(const Toplex_map::Vertex k, const Toplex_map::Vertex d);
 
 protected:
     /** \internal Gives an index in order to look for a simplex quickly. */