source: trunk/yat/classifier/IRRank.h @ 676

#ifndef _theplu_classifier_ir_rank_ 
#define _theplu_classifier_ir_rank_ 

// $Id: IRRank.h 675 2006-10-10 12:08:45Z jari $

/*
  Copyright (C) The authors contributing to this file.

  This file is part of the yat library, http://lev.thep.lu.se/trac/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 2 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 this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.
*/

#include "yat/classifier/InputRanker.h"
#include "yat/classifier/IRRetrieve.h"

namespace theplu {
namespace classifier {  

  ///
  /// Functor retrieving minus rank from a InputRanker to
  /// build a ConsensusInputRanker.
  ///   
  class IRRank : public IRRetrieve
  {

  public:
    ///
    /// @brief operator to retrieve information from @a ranker of
    /// input @a i.
    ///
    inline double operator()(const InputRanker& ranker, size_t i) const
    {
      return -static_cast<double>(ranker.rank()[i]);
    }
  };


}} // of namespace classifier and namespace theplu

#endif