boundary_cell_position_to_id_mapper.h

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/*    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):       Hannah Schreiber
 *
 *    Copyright (C) 2022-24 Inria
 *
 *    Modification(s):
 *      - YYYY/MM Author: Description of the modification
 */
 
#ifndef PM_ID_POS_MAPPER_H
#define PM_ID_POS_MAPPER_H
 
#include <unordered_map>
 
namespace Gudhi {
namespace persistence_matrix {
 
struct Dummy_pos_mapper {
  friend void swap([[maybe_unused]] Dummy_pos_mapper& d1, [[maybe_unused]] Dummy_pos_mapper& d2) {}
};
 
template<typename ID_index, typename Pos_index>
struct Cell_position_to_ID_mapper {
  using Index_map = std::unordered_map<Pos_index,ID_index>; //TODO: test other map types
 
  Index_map map_;
 
  friend void swap(Cell_position_to_ID_mapper& mapper1, Cell_position_to_ID_mapper& mapper2) {
    mapper1.map_.swap(mapper2.map_);
  }
};
 
}  // namespace persistence_matrix
}  // namespace Gudhi
 
#endif  // PM_ID_POS_MAPPER_H