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-rw-r--r--src/Bottleneck/concept/Persistence_diagram.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/Bottleneck/concept/Persistence_diagram.h b/src/Bottleneck/concept/Persistence_diagram.h
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+++ b/src/Bottleneck/concept/Persistence_diagram.h
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+typedef typename std::pair<double,double> Diagram_point;
+
+struct Persistence_Diagram
+{
+ const_iterator<Diagram_point> cbegin() const;
+ const_iterator<Diagram_point> cend() const;
+};