/* 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 .
*/
#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.
* Death should be larger than birth, death can be std::numeric_limits::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_