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-/* This file is part of the Gudhi Library. The Gudhi library
- * (Geometric Understanding in Higher Dimensions) is a generic C++
- * library for computational topology.
- *
- * Author: François Godi
- *
- * Copyright (C) 2015 Inria
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef CONCEPT_BOTTLENECK_DISTANCE_PERSISTENCE_DIAGRAM_H_
-#define CONCEPT_BOTTLENECK_DISTANCE_PERSISTENCE_DIAGRAM_H_
-
-namespace Gudhi {
-
-namespace persistence_diagram {
-
-/** \brief Concept of point in a persistence diagram. std::get<0>(point) must return the birth of the corresponding component and std::get<1>(point) its death.
- * Both should be convertible to `double`.
- * A valid implementation of this concept is std::pair<double,double>.
- * Death should be larger than birth, death can be std::numeric_limits<double>::infinity() for components which stay alive.
- *
- * \ingroup bottleneck_distance
- */
-struct DiagramPoint{};
-
-/** \brief Concept of persistence diagram. It is a range of `DiagramPoint`.
- * std::begin(diagram) and std::end(diagram) must return corresponding iterators.
- *
- * \ingroup bottleneck_distance
- */
-struct PersistenceDiagram{};
-
-} // namespace persistence_diagram
-
-} // namespace Gudhi
-
-#endif // CONCEPT_BOTTLENECK_DISTANCE_PERSISTENCE_DIAGRAM_H_