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Diffstat (limited to 'concept/Bottleneck_distance/Persistence_diagram.h')
-rw-r--r-- | concept/Bottleneck_distance/Persistence_diagram.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/concept/Bottleneck_distance/Persistence_diagram.h b/concept/Bottleneck_distance/Persistence_diagram.h new file mode 100644 index 00000000..b157f22a --- /dev/null +++ b/concept/Bottleneck_distance/Persistence_diagram.h @@ -0,0 +1,50 @@ +/* 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_ |