1 files changed, 32 insertions, 0 deletions
diff --git a/src/Persistence_representations/concept/Topological_data_with_averages.h b/src/Persistence_representations/concept/Topological_data_with_averages.h
new file mode 100644
index 00000000..d8fe98b7
--- /dev/null
+++ b/src/Persistence_representations/concept/Topological_data_with_averages.h
@@ -0,0 +1,32 @@
+
+/*    This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
+ *    See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
+ *    Author(s):       Pawel Dlotko
+ *
+ *    Copyright (C) 2016 Inria
+ *
+ *    Modification(s):
+ *      - YYYY/MM Author: Description of the modification
+ */
+
+#ifndef CONCEPT_TOPOLOGICAL_DATA_WITH_AVERAGES_H_
+#define CONCEPT_TOPOLOGICAL_DATA_WITH_AVERAGES_H_
+
+namespace Gudhi {
+
+namespace Persistence_representations {
+
+/** \brief The concept Topological_data_with_averages describes the requirements
+  * for a type to implement a container that allows computations of averages.
+  * Note that the average object after being computed is stored in *this.
+  */
+class Topological_data_with_averages {
+ public:
+  void compute_average(const std::vector<Topological_data_with_averages*>& to_average);
+};
+
+}  // namespace Persistence_representations
+
+}  // namespace Gudhi
+
+#endif  // CONCEPT_TOPOLOGICAL_DATA_WITH_AVERAGES_H_