ra_util.hpp

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#ifndef MLPACK_METHODS_RANN_RA_UTIL_HPP
#define MLPACK_METHODS_RANN_RA_UTIL_HPP

#include <mlpack/prereqs.hpp>

namespace mlpack {
namespace neighbor {

class RAUtil
{
 public:
  static size_t MinimumSamplesReqd(const size_t n,
                                   const size_t k,
                                   const double tau,
                                   const double alpha);

  static double SuccessProbability(const size_t n,
                                   const size_t k,
                                   const size_t m,
                                   const size_t t);

  static void ObtainDistinctSamples(const size_t numSamples,
                                    const size_t rangeUpperBound,
                                    arma::uvec& distinctSamples);
};

} // namespace neighbor
} // namespace mlpack

#endif