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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
*
* Modification(s):
* - YYYY/MM Author: Description of the modification
*/
#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_
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