dual_tree_traverser.hpp

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#ifndef MLPACK_CORE_TREE_OCTREE_DUAL_TREE_TRAVERSER_HPP
#define MLPACK_CORE_TREE_OCTREE_DUAL_TREE_TRAVERSER_HPP

#include <mlpack/prereqs.hpp>
#include "octree.hpp"

namespace mlpack {
namespace tree {

template<typename MetricType,
         typename StatisticType,
         typename MatType>
template<typename RuleType>
class Octree<MetricType, StatisticType, MatType>::DualTreeTraverser
{
 public:
  DualTreeTraverser(RuleType& rule);

  void Traverse(Octree& queryNode, Octree& referenceNode);

  size_t NumPrunes() const { return numPrunes; }
  size_t& NumPrunes() { return numPrunes; }

  size_t NumVisited() const { return numVisited; }
  size_t& NumVistied() { return numVisited; }

  size_t NumScores() const { return numScores; }
  size_t& NumScores() { return numScores; }

  size_t NumBaseCases() const { return numBaseCases; }
  size_t& NumBaseCases() { return numBaseCases; }

 private:
  RuleType& rule;

  size_t numPrunes;
  size_t numVisited;
  size_t numScores;
  size_t numBaseCases;

  typename RuleType::TraversalInfoType traversalInfo;
};

} // namespace tree
} // namespace mlpack

// Include implementation.
#include "dual_tree_traverser_impl.hpp"

#endif