source: trunk/yat/classifier/KNN_ReciprocalDistance.cc @ 2881

// $Id: KNN_ReciprocalDistance.cc 2881 2012-11-18 01:28:05Z peter $

// $Id: KNN_ReciprocalDistance.cc 2881 2012-11-18 01:28:05Z peter $

/*
  Copyright (C) 2008 Jari Häkkinen, Peter Johansson, Markus Ringnér

  This file is part of the yat library, http://dev.thep.lu.se/yat

  The yat library 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.

  The yat library 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 yat. If not, see <http://www.gnu.org/licenses/>.
*/

#include <config.h>

#include "KNN_ReciprocalDistance.h"
#include "Target.h"

#include "yat/utility/VectorBase.h"
#include "yat/utility/VectorMutable.h"

#include <vector>

namespace theplu {
namespace yat {
namespace classifier {

  void KNN_ReciprocalDistance::operator()(const utility::VectorBase& distance,
                                          const std::vector<size_t>& k_sorted, 
                                          const Target& target, 
                                          utility::VectorMutable& prediction) const
  {
    for(size_t j=0;j<k_sorted.size();j++) 
      prediction(target(k_sorted[j]))+=1.0/distance(k_sorted[j]);           
  }

}}}