ru_pairing.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_RU_PAIRING_H
#define PM_RU_PAIRING_H
 
#include <utility>  //std::move
 
namespace Gudhi {
namespace persistence_matrix {
 
struct Dummy_ru_pairing {
  friend void swap([[maybe_unused]] Dummy_ru_pairing& d1, [[maybe_unused]] Dummy_ru_pairing& d2) {}
};
 
template <class Master_matrix>
class RU_pairing 
{
 public:
  using barcode_type = typename Master_matrix::barcode_type;  
  RU_pairing();
  RU_pairing(const RU_pairing& matrixToCopy);
  RU_pairing(RU_pairing&& other) noexcept;
 
  const barcode_type& get_current_barcode() const;
 
  RU_pairing& operator=(RU_pairing other);
  friend void swap(RU_pairing& pairing1, RU_pairing& pairing2) {
    pairing1.barcode_.swap(pairing2.barcode_);
    pairing1.indexToBar_.swap(pairing2.indexToBar_);
  }
 
 protected:
  using dictionnary_type = typename Master_matrix::bar_dictionnary_type;
 
  barcode_type barcode_;        
  dictionnary_type indexToBar_; 
};
 
template <class Master_matrix>
inline RU_pairing<Master_matrix>::RU_pairing() 
{}
 
template <class Master_matrix>
inline RU_pairing<Master_matrix>::RU_pairing(const RU_pairing& matrixToCopy)
    : barcode_(matrixToCopy.barcode_), indexToBar_(matrixToCopy.indexToBar_) 
{}
 
template <class Master_matrix>
inline RU_pairing<Master_matrix>::RU_pairing(RU_pairing<Master_matrix>&& other) noexcept
    : barcode_(std::move(other.barcode_)), indexToBar_(std::move(other.indexToBar_)) 
{}
 
template <class Master_matrix>
inline const typename RU_pairing<Master_matrix>::barcode_type& RU_pairing<Master_matrix>::get_current_barcode() const 
{
  return barcode_;
}
 
template <class Master_matrix>
inline RU_pairing<Master_matrix>& RU_pairing<Master_matrix>::operator=(RU_pairing<Master_matrix> other) 
{
  barcode_.swap(other.barcode_);
  indexToBar_.swap(other.indexToBar_);
  return *this;
}
 
}  // namespace persistence_matrix
}  // namespace Gudhi
 
#endif  // PM_RU_PAIRING_H