PixelGangedClusterAmbiguities.h

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/*
  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
*/
 
/***************************************************************************
 CLASS_DEF for InDetRIO_Maker map
 ------------------------------
 ATLAS Collaboration
 ***************************************************************************/
 
#ifndef PIXELGANGEDCLUSTERAMBIGUITIES_H
#define PIXELGANGEDCLUSTERAMBIGUITIES_H 1
 
//<<<<<< INCLUDES                                                       >>>>>>
#include "AthenaKernel/CLASS_DEF.h"
#include <map>
#include "InDetPrepRawData/SiCluster.h"
 
//<<<<<< PUBLIC DEFINES  >>>>>>
 
namespace InDet{
  struct compare_SiCluster
  {
    bool operator()( const ::InDet::SiCluster* const& a,
                     const ::InDet::SiCluster* const& b) const
    {
      Identifier ida = (a!=0 ? a->identify() : Identifier(0));
      Identifier idb = (b!=0 ? b->identify() : Identifier(0));
 
      // sometimes different clusters have the same identity
      // use the size to determine the order/break degeneracy
      if( ida == idb && ida != Identifier(0) ) { 
        return (a->width() < b->width());
      }
        
      return ida < idb;
    }
  };
 
  typedef std::multimap<const SiCluster*, const SiCluster*, 
                        ::InDet::compare_SiCluster> 
  PixelGangedClusterAmbiguities;
}
 
CLASS_DEF( InDet::PixelGangedClusterAmbiguities , 130176466 , 1 )
 
 
 
#endif // PIXELGANGEDCLUSTERAMBIGUITIES_H