CaloCellPackerUtils.h

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// This file's extension implies that it's C, but it's really -*- C++ -*-.
 
/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
// $Id: CaloCellPackerUtils.h,v 1.1 2007-11-08 18:14:20 ssnyder Exp $

 
 
#ifndef CALOCELLPACKERUTILS_H
#define CALOCELLPACKERUTILS_H
 
 
#include "GaudiKernel/Kernel.h"  // For LIKELY
 
 
namespace CaloCellPackerUtils {
 

class Bitfield
{
public:
  Bitfield (unsigned int mask = 1);
 

  unsigned int in (unsigned int x) const;
 

  unsigned int out (unsigned int x) const;
 
 
protected:
  unsigned int m_mask;

  unsigned int m_shift;
};
 

class Floatfield
  : public Bitfield
{
public:
  Floatfield (unsigned int mask=1, double xmin=1, double xmax=0);
 

  unsigned int in (double x) const;
 

  double out (unsigned int x, int& underflow) const;
 
 
private:
  double m_xmin;

  double m_xmax;

  double m_fact;

  double m_ifact;
};
 

class Floatfield2
  : public Bitfield
{
public:
  Floatfield2 (unsigned int mask=1, double xmax=1);
 

  unsigned int in (double x) const;
 

  double out (unsigned int x) const;
 
 
private:
  double m_xmax;

  double m_fact;

  double m_ifact;
};
 
 
} // namespace CaloCellPackerUtils
 
 
#include "CaloCellPackerUtils.icc"
 
 
#endif // not CALOCELLPACKERUTILS_H