example_tree.hpp

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#ifndef MLPACK_CORE_TREE_EXAMPLE_TREE_HPP
#define MLPACK_CORE_TREE_EXAMPLE_TREE_HPP
 
namespace mlpack {
namespace tree {
 
template<typename MetricType = metric::LMetric<2, true>,
         typename StatisticType = EmptyStatistic,
         typename MatType = arma::mat>
class ExampleTree
{
 public:
  ExampleTree(const MatType& dataset,
              MetricType& metric);
 
  size_t NumChildren() const;
 
  const ExampleTree& Child(const size_t i) const;
  ExampleTree& Child(const size_t i);
 
  ExampleTree* Parent() const;
 
  size_t NumPoints() const;
 
  size_t Point(const size_t i) const;
 
  size_t NumDescendants() const;
 
  size_t Descendant(const size_t i) const;
 
  const StatisticType& Stat() const;
  StatisticType& Stat();
 
  const MetricType& Metric() const;
  MetricType& Metric();
 
  double MinDistance(const MatType& point) const;
 
  double MinDistance(const ExampleTree& other) const;
 
  double MaxDistance(const MatType& point) const;
 
  double MaxDistance(const ExampleTree& other) const;
 
  math::Range RangeDistance(const MatType& point) const;
 
  math::Range RangeDistance(const ExampleTree& other) const;
 
  void Centroid(arma::vec& centroid) const;
 
  double FurthestDescendantDistance() const;
 
  double ParentDistance() const;
 
 private:
  StatisticType stat;
 
  MetricType& metric;
};
 
} // namespace tree
} // namespace mlpack
 
#endif