source: trunk/c++_tools/classifier/IRRank.h @ 667

// $Id: IRRank.h 667 2006-10-06 07:03:19Z peter $

#ifndef _theplu_classifier_ir_rank_ 
#define _theplu_classifier_ir_rank_ 

#include <c++_tools/classifier/InputRanker.h>
#include <c++_tools/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