1 files changed, 13 insertions, 2 deletions
diff --git a/src/Bottleneck_distance/concept/Persistence_diagram.h b/src/Bottleneck_distance/concept/Persistence_diagram.h
index 4951af32..27a258d8 100644
--- a/src/Bottleneck_distance/concept/Persistence_diagram.h
+++ b/src/Bottleneck_distance/concept/Persistence_diagram.h
@@ -1,7 +1,18 @@
+namespace Gudhi {
+namespace Bottleneck_distance {
+namespace Concept {
 
+struct Diagram_point{
+    double first;
+    double second;
+};
 
 struct Persistence_Diagram
 {
-    const_iterator<Your_Diagram_point_model> cbegin() const;
-    const_iterator<Your_Diagram_point_model> cend() const;
+    const_iterator<Diagram_point> cbegin() const;
+    const_iterator<Diagram_point> cend() const;
 };
+
+} //namespace Concept
+} //namespace Bottleneck_distance
+} //namespace Gudhi