FixedArrayBM.h

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/*  -*- C++ -*- */
 
/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef PILEUPCOMPS_FIXEDARRAYBM
#define PILEUPCOMPS_FIXEDARRAYBM 1
 
#include "Gaudi/Property.h"
 
#include "PileUpTools/IBeamIntensity.h"
#include "AthenaBaseComps/AthService.h"
 
class FixedArrayBM : public extends<AthService, IBeamIntensity>
{
public:
 
  FixedArrayBM(const std::string& name,ISvcLocator* svc);
  virtual ~FixedArrayBM();
 
  virtual StatusCode initialize() override final;
 
  virtual float normFactor(int iXing) const override final;
  virtual float largestElementInPattern() const override final { return m_largestElementInPattern; }
  virtual void selectT0(unsigned int /*run*/, unsigned long long /*event*/) override final { }
  virtual unsigned int getCurrentT0BunchCrossing() const override final { return m_t0Offset; }
  virtual unsigned int getBeamPatternLength() const override final { return m_ipLength; }
private:
  virtual unsigned int getBCID(int iXing) const
  {
    //FIXME to be completely safe this should should probably depend on the bunch spacing too. Perhaps that concept should be deprecated though?
    return static_cast<unsigned int>((((iXing + static_cast<int>(m_t0Offset)) % static_cast<int>(m_maxBunchCrossingPerOrbit)) + static_cast<int>(m_maxBunchCrossingPerOrbit) )  % static_cast<int>(m_maxBunchCrossingPerOrbit));
  }
  unsigned int m_maxBunchCrossingPerOrbit;
  unsigned int m_t0Offset;
  Gaudi::Property<bool> m_allowEmptyT0BunchCrossing;
  Gaudi::Property<std::vector<float>> m_intensityPatternProp;
  unsigned int m_ipLength;
  double* m_intensityPattern;
  float m_largestElementInPattern;
};
#endif