Persistence_intervals_with_distances.h

/*    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 PERSISTENCE_INTERVALS_WITH_DISTANCES_H_
#define PERSISTENCE_INTERVALS_WITH_DISTANCES_H_
 
#include <gudhi/Persistence_intervals.h>
#include <gudhi/Bottleneck.h>
 
#include <limits>
 
namespace Gudhi {
namespace Persistence_representations {
 
class Persistence_intervals_with_distances : public Persistence_intervals {
 public:
  using Persistence_intervals::Persistence_intervals;
 
  double distance(const Persistence_intervals_with_distances& second, double power = std::numeric_limits<double>::max(),
                  double tolerance = (std::numeric_limits<double>::min)()) const {
    if (power >= std::numeric_limits<double>::max()) {
      return Gudhi::persistence_diagram::bottleneck_distance(this->intervals, second.intervals, tolerance);
    } else {
      std::cerr << "At the moment Gudhi do not support Wasserstein distances. We only support Bottleneck distance."
                << std::endl;
      throw "At the moment Gudhi do not support Wasserstein distances. We only support Bottleneck distance.";
    }
  }
};
 
}  // namespace Persistence_representations
}  // namespace Gudhi
 
#endif  // PERSISTENCE_INTERVALS_WITH_DISTANCES_H_