source: branches/0.4-stable/yat/classifier/IRRank.h @ 1392

#ifndef _theplu_yat_classifier_ir_rank_ 
#define _theplu_yat_classifier_ir_rank_ 

// $Id: IRRank.h 1392 2008-07-28 19:35:30Z peter $

/*
  Copyright (C) 2006, 2007 Jari Häkkinen, Peter Johansson

  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 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 "InputRanker.h"
#include "IRRetrieve.h"

namespace theplu {
namespace yat {
namespace classifier {  

  ///
  /// @brief 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, yat, and theplu

#endif