CaloRecHit.h

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#ifndef DATAFORMATS_CALORECHIT_CALORECHIT_H
#define DATAFORMATS_CALORECHIT_CALORECHIT_H 1

#include "DataFormats/DetId/interface/DetId.h"
#include <ostream>

#ifdef __CUDA_ARCH__
__constant__
#else
constexpr
#endif
    uint32_t calo_rechit_masks[] = {0x00000000u, 0x00000001u, 0x00000003u, 0x00000007u, 0x0000000fu, 0x0000001fu,
                                    0x0000003fu, 0x0000007fu, 0x000000ffu, 0x000001ffu, 0x000003ffu, 0x000007ffu,
                                    0x00000fffu, 0x00001fffu, 0x00003fffu, 0x00007fffu, 0x0000ffffu, 0x0001ffffu,
                                    0x0003ffffu, 0x0007ffffu, 0x000fffffu, 0x001fffffu, 0x003fffffu, 0x007fffffu,
                                    0x00ffffffu, 0x01ffffffu, 0x03ffffffu, 0x07ffffffu, 0x0fffffffu, 0x1fffffffu,
                                    0x3fffffffu, 0x7fffffffu, 0xffffffffu};

class CaloRecHit {
public:
  constexpr CaloRecHit() : energy_(0), time_(0), flags_(0), aux_(0) {}
  constexpr explicit CaloRecHit(const DetId& id, float energy, float time, uint32_t flags = 0, uint32_t aux = 0)
      : id_(id), energy_(energy), time_(time), flags_(flags), aux_(aux) {}

  constexpr float energy() const { return energy_; }
  constexpr void setEnergy(float energy) { energy_ = energy; }
  constexpr float time() const { return time_; }
  constexpr void setTime(float time) { time_ = time; }
  constexpr const DetId& detid() const { return id_; }
  constexpr uint32_t flags() const { return flags_; }
  constexpr void setFlags(uint32_t flags) { flags_ = flags; }
  constexpr void setFlagField(uint32_t value, int base, int width = 1) {
    value &= calo_rechit_masks[std::max(std::min(width, 32), 0)];
    value <<= std::max(std::min(base, 31), 0);
    // clear out the relevant bits
    uint32_t clear = calo_rechit_masks[std::max(std::min(width, 32), 0)];
    clear = clear << std::max(std::min(base, 31), 0);
    clear ^= 0xFFFFFFFFu;
    flags_ &= clear;
    flags_ |= value;
  }
  constexpr uint32_t flagField(int base, int width = 1) const {
    return (flags_ >> std::max(std::min(base, 31), 0)) & calo_rechit_masks[std::max(std::min(width, 32), 0)];
  }
  constexpr void setAux(uint32_t value) { aux_ = value; }
  constexpr uint32_t aux() const { return aux_; }

private:
  DetId id_;
  float energy_;
  float time_;
  uint32_t flags_;
  uint32_t aux_;
};

std::ostream& operator<<(std::ostream& s, const CaloRecHit& hit);

#endif