EcalPulseSymmCovariances.h

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#ifndef EcalPulseSymmCovariances_h
#define EcalPulseSymmCovariances_h

#include "CondFormats/Serialization/interface/Serializable.h"

#include "CondFormats/EcalObjects/interface/EcalPulseShapes.h"
#include "CondFormats/EcalObjects/interface/EcalCondObjectContainer.h"

#include <algorithm>

struct EcalPulseSymmCovariance {
public:
  EcalPulseSymmCovariance();

  float covval[EcalPulseShape::TEMPLATESAMPLES * (EcalPulseShape::TEMPLATESAMPLES + 1) / 2];

  int indexFor(int i, int j) const {
    int m = std::min(i, j);
    int n = std::max(i, j);
    return n + EcalPulseShape::TEMPLATESAMPLES * m - m * (m + 1) / 2;
  }

  float val(int i, int j) const { return covval[indexFor(i, j)]; }
  float& val(int i, int j) { return covval[indexFor(i, j)]; }

  COND_SERIALIZABLE;
};

typedef EcalCondObjectContainer<EcalPulseSymmCovariance> EcalPulseSymmCovariancesMap;
typedef EcalPulseSymmCovariancesMap::const_iterator EcalPulseSymmCovariancesMapIterator;
typedef EcalPulseSymmCovariancesMap EcalPulseSymmCovariances;

#endif