Add face number access function

src/mesh/Connectivity.hpp

@@ -47,7 +47,7 @@ class ConnectivityDescriptor
   std::vector<std::vector<unsigned int>> cell_to_face_vector;
   std::vector<std::vector<bool>> cell_face_is_reversed_vector;
 
-  std::vector<std::vector<unsigned int>> face_to_cell_vector;
+  // std::vector<std::vector<unsigned int>> face_to_cell_vector;
   std::vector<std::vector<unsigned int>> face_to_node_vector;
 
   std::vector<CellType> cell_type_vector;
@@ -168,6 +168,12 @@ class Connectivity final
     return m_cell_number;
   }
 
+  PASTIS_INLINE
+  const FaceValue<const int>& faceNumber() const
+  {
+    return m_face_number;
+  }
+
   PASTIS_INLINE
   const EdgeValue<const int>& edgeNumber() const
   {
@@ -186,6 +192,12 @@ class Connectivity final
     return m_cell_owner;
   }
 
+  PASTIS_INLINE
+  const FaceValue<const int>& faceOwner() const
+  {
+    return m_face_owner;
+  }
+
   PASTIS_INLINE
   const NodeValue<const int>& nodeOwner() const
   {