ECLShowerId.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#pragma once
 
namespace Belle2 {
  namespace ECL {
    class ECLShowerId {
 
    public:
 
      ECLShowerId();
 
      int getCRID(const int showerid) const
      {
        return showerid / m_CRMultiplier;
      }
 
      int getHypothesis(const int showerid) const
      {
        return (showerid % m_CRMultiplier) / m_HypothesisMultiplier;
      }
 
      int getSeed(const int showerid) const
      {
        return ((showerid % m_CRMultiplier) % m_HypothesisMultiplier) / m_SeedMultiplier;
      }
 
      int getShowerId(const int crid, const int hypothesis, const int seed) const
      {
        return m_CRMultiplier * crid + m_HypothesisMultiplier * hypothesis + m_SeedMultiplier * seed;
      }
 
 
    private:
      const int m_CRMultiplier = 100000;
 
      const int m_HypothesisMultiplier = 1000;
 
      const int m_SeedMultiplier = 1;
    };
  }
} // Belle2 namespace