TileTTL1Hash.h

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
//****************************************************************************
// Filename : TileTTL1Hash.h
// Author   : jose.maneira@cern.ch
// Created  : Nov 2005
//
// DESCRIPTION
//
// Provides hash (integer) conversion for TileTTL1 identifiers
//
// BUGS:
//
// History:
//
//
//****************************************************************************
 
#ifndef TileTTL1Hash_H
#define TileTTL1Hash_H
 
class CaloLVL1_ID;
 
#include <vector> 

class TileTTL1Hash  {
 
 public:
 
  typedef int ID; 
  TileTTL1Hash ();
  virtual ~TileTTL1Hash() { };
 
  void initialize(const CaloLVL1_ID * caloLVL1_ID); 

  int operator() (const ID& id) const ;

  ID identifier(int i) const;   

  int max() const {return m_size;}
  
  
 private:
  int m_size;  // total number of IDs

  static const int m_table_size = 7000;
  int m_lookup[m_table_size] ;
 
  std::vector<ID> m_int2id;
 
};
 
#endif