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/* 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(s): Siargey Kachanovich
*
* Copyright (C) 2016 INRIA (France)
*
* 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 ACTIVE_WITNESS_ACTIVE_WITNESS_H_
#define ACTIVE_WITNESS_ACTIVE_WITNESS_H_
#include <gudhi/Active_witness/Active_witness_iterator.h>
#include <list>
namespace Gudhi {
namespace witness_complex {
/* \class Active_witness
* \brief Class representing a list of nearest neighbors to a given witness.
* \details Every element is a pair of a landmark identifier and the squared distance to it.
*/
template< typename Id_distance_pair,
typename INS_range >
class Active_witness {
public:
typedef Active_witness<Id_distance_pair, INS_range> ActiveWitness;
typedef typename INS_range::iterator INS_iterator;
typedef Active_witness_iterator< ActiveWitness, Id_distance_pair, INS_iterator > iterator;
typedef typename std::list<Id_distance_pair> Table;
Table nearest_landmark_table_;
INS_range search_range_;
INS_iterator iterator_next_;
INS_iterator iterator_end_;
Active_witness(const INS_range& search_range)
: search_range_(search_range), iterator_next_(search_range_.begin()), iterator_end_(search_range_.end()) {
}
iterator begin() {
return iterator(this, nearest_landmark_table_.begin());
}
iterator end() {
return iterator(this);
}
};
} // namespace witness_complex
} // namespace Gudhi
#endif // ACTIVE_WITNESS_ACTIVE_WITNESS_H_
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