ClusterVariables.h

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#ifndef CLUSTERSUMMARY_CLUSTERVARIABLES_H
#define CLUSTERSUMMARY_CLUSTERVARIABLES_H

#include "FWCore/Framework/interface/Frameworkfwd.h"

#include "DataFormats/SiStripCluster/interface/SiStripCluster.h"
#include "DataFormats/SiStripDigi/interface/SiStripDigi.h"
#include "DataFormats/SiPixelCluster/interface/SiPixelCluster.h"
#include "DataFormats/Common/interface/DetSetVectorNew.h"
#include <numeric>

// never seen a more useless class...
class ClusterVariables {
public:
  ClusterVariables() {}
  ~ClusterVariables() {}

  ClusterVariables(const SiStripCluster& cluster) : cluster_ptr(&cluster) {}

  const SiStripCluster* cluster() const { return cluster_ptr; }

  /*
    Returns the number of strips in the Cluster 
  */
  const unsigned clusterSize() const { return cluster()->amplitudes().size(); }

  auto stripCharges() const -> decltype(cluster()->amplitudes()) { return cluster()->amplitudes(); }

  /*
    Returns the total charge of all the strips in the Cluster 
  */
  uint16_t charge() const { return std::accumulate(stripCharges().begin(), stripCharges().end(), uint16_t(0)); }

private:
  const SiStripCluster* cluster_ptr;
};

#endif