SystemEnergy.cxx

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
/***************************************************************************
                          SystemEnergy.h  -  description
                             -------------------
    begin                : 06/09/2007
    email                : Alan.Watson@cern.ch
 ***************************************************************************/
 
 
#include "TrigT1CaloUtils/SystemEnergy.h"
#include "TrigT1Interfaces/TrigT1CaloDefs.h"
#include "TrigConfL1Data/L1DataDef.h"
 
using namespace TrigConf;
 
namespace LVL1
{
 
SystemEnergy::SystemEnergy(const DataVector<CrateEnergy> *crates, const TrigConf::L1Menu* l1Menu) : m_L1Menu(l1Menu),
                                                                                                                    m_systemEx(0),
                                                                                                                    m_systemEy(0),
                                                                                                                    m_systemEt(0),
                                                                                                                    m_overflowX(0),
                                                                                                                    m_overflowY(0),
                                                                                                                    m_overflowT(0),
                                                                                                                    m_restricted(0),
                                                                                                                    m_etMissHits(0),
                                                                                                                    m_etSumHits(0),
                                                                                                                    m_metSigHits(0),
                                                                                                                    m_debug(false)
{
 
  int xyMax = 1 << (m_sumBits - 1);
 
  for (const CrateEnergy* cr : *crates)
  {
    if (cr->crate() == 0)
    {
      m_systemEx += cr->ex();
      m_systemEy += cr->ey();
      m_systemEt += cr->et();
    }
    else if (cr->crate() == 1)
    {
      m_systemEx -= cr->ex();
      m_systemEy += cr->ey();
      m_systemEt += cr->et();
    }
    
    m_overflowX = m_overflowX | (cr->ex() == -xyMax);
    m_overflowY = m_overflowY | (cr->ey() == -xyMax);
    m_overflowT = m_overflowT | (cr->et() == m_maxEtSumThr);
 
    if (cr->restricted())
      m_restricted = 1;
  }
 
  if (m_overflowT != 0) {
    m_systemEt = m_etSumOverflow;
  }
    
 
 
  if ((abs(m_systemEx) >= xyMax) || m_overflowX)
  {
    m_overflowX = 1;
    m_systemEx = -xyMax;
  }
 
  if ((abs(m_systemEy) >= xyMax) || m_overflowY)
  {
    m_overflowY = 1;
    m_systemEy = -xyMax;
  }
 
  if (m_debug)
  {
    std::cout << "SystemEnergy results: " << std::endl
              << "   Et " << m_systemEt << " overflow " << m_overflowT << std::endl
              << "   Ex " << m_systemEx << " overflow " << m_overflowX << std::endl
              << "   Ey " << m_systemEy << " overflow " << m_overflowY << std::endl;
  }
 
  etMissTrigger();
  etSumTrigger();
  metSigTrigger();
}
 
SystemEnergy::SystemEnergy(unsigned int et, unsigned int exTC, unsigned int eyTC,
                           unsigned int overflowT, unsigned int overflowX,
                           unsigned int overflowY, unsigned int restricted,
                           const TrigConf::L1Menu* l1Menu) : m_L1Menu(l1Menu),
                                                                             m_systemEx(0),
                                                                             m_systemEy(0),
                                                                             m_systemEt(et),
                                                                             m_overflowX(overflowX),
                                                                             m_overflowY(overflowY),
                                                                             m_overflowT(overflowT),
                                                                             m_restricted(restricted),
                                                                             m_etMissHits(0),
                                                                             m_etSumHits(0),
                                                                             m_metSigHits(0),
                                                                             m_debug(false)
{
 
  m_systemEx = decodeTC(exTC);
  m_systemEy = decodeTC(eyTC);
 
  int xyMax = 1 << (m_sumBits - 1);
 
  m_overflowT = m_systemEt == m_etSumOverflow;
  m_overflowX = m_systemEx == -xyMax;
  m_overflowY = m_systemEy == -xyMax;
 
  if (m_debug)
  {
    std::cout << "SystemEnergy results: " << std::endl
              << "   Et " << m_systemEt << " overflow " << m_overflowT << std::endl
              << "   Ex " << m_systemEx << " overflow " << m_overflowX << std::endl
              << "   Ey " << m_systemEy << " overflow " << m_overflowY << std::endl;
  }
 
  etMissTrigger();
  etSumTrigger();
  metSigTrigger();
}
 
 
int SystemEnergy::et() const
{
  return m_systemEt;
}
 
int SystemEnergy::ex() const
{
  return m_systemEx;
}
 
int SystemEnergy::ey() const
{
  return m_systemEy;
}
 
unsigned int SystemEnergy::etOverflow() const
{
  return m_overflowT & 0x1;
}
 
unsigned int SystemEnergy::exOverflow() const
{
  return m_overflowX & 0x1;
}
 
unsigned int SystemEnergy::eyOverflow() const
{
  return m_overflowY & 0x1;
}
 
unsigned int SystemEnergy::exTC() const
{
  return encodeTC(m_systemEx);
}
 
unsigned int SystemEnergy::eyTC() const
{
  return encodeTC(m_systemEy);
}
 
unsigned int SystemEnergy::etMissHits() const
{
  return m_etMissHits;
}
 
unsigned int SystemEnergy::etSumHits() const
{
  return m_etSumHits;
}
 
unsigned int SystemEnergy::metSigHits() const
{
  return m_metSigHits;
}
 
unsigned int SystemEnergy::roiWord0() const
{
  // Start by setting up header
  unsigned int word = TrigT1CaloDefs::energyRoIType << 30;
  word += TrigT1CaloDefs::energyRoI0 << 28;
  // set full/restricted eta range flag
  word += (m_restricted & 1) << 26;
  // add MET Significance hits
  word += metSigHits() << 16;
  // add Ex overflow bit
  word += exOverflow() << 15;
  // add Ex value (twos-complement)
  word += exTC();
  return word;
}
 
unsigned int SystemEnergy::roiWord1() const
{
  // Start by setting up header
  unsigned int word = TrigT1CaloDefs::energyRoIType << 30;
  word += TrigT1CaloDefs::energyRoI1 << 28;
  // set full/restricted eta range flag
  word += (m_restricted & 1) << 26;
  // add EtSum hits
  word += etSumHits() << 16;
  // add Ey overflow bit
  word += eyOverflow() << 15;
  // add Ey value (twos-complement)
  word += eyTC();
  return word;
}
 
unsigned int SystemEnergy::roiWord2() const
{
  // Start by setting up header
  unsigned int word = TrigT1CaloDefs::energyRoIType << 30;
  word += TrigT1CaloDefs::energyRoI2 << 28;
  // set full/restricted eta range flag
  word += (m_restricted & 1) << 26;
  // add EtMiss hits
  word += etMissHits() << 16;
  // add Et overflow bit
  word += etOverflow() << 15;
  // add Et value (unsigned)
  word += et();
  return word;
}
 
void SystemEnergy::etMissTrigger()
{
  m_etMissHits = 0;
 
  m_etMissQ = m_systemEx * m_systemEx + m_systemEy * m_systemEy;
 
  if ((m_overflowX != 0) || (m_overflowY != 0))
  {
    m_etMissHits = (1 << TrigT1CaloDefs::numOfMissingEtThresholds) - 1;
    return;
  }
 
 
  // Get thresholds
  std::vector<std::shared_ptr<TrigConf::L1Threshold>> allThresholds = m_L1Menu->thresholds();
 
  // get Threshold values and test
 
  for ( const auto& thresh : allThresholds ) {
    if ( thresh->type() == L1DataDef::xeType()) {
      auto thresh_Calo = static_cast<const TrigConf::L1Threshold_Calo*>(thresh.get());
      unsigned int thresholdValue = thresh_Calo->thrValueCounts();
      uint32_t tvQ = thresholdValue * thresholdValue;
      int threshNumber = thresh->mapping();
      if (m_restricted == 0 && threshNumber < 8)
      {
        if (m_etMissQ > tvQ)
          m_etMissHits = m_etMissHits | (1 << threshNumber);
      }
      else if (m_restricted != 0 && threshNumber >= 8)
      {
        if (m_etMissQ > tvQ)
          m_etMissHits = m_etMissHits | (1 << (threshNumber - 8));
      }
    }
  }
 
  return;
}
 
void SystemEnergy::etSumTrigger()
{
  // Start cleanly
  m_etSumHits = 0;
 
  // Overflow of any sort automatically fires all thresholds
  if (m_overflowT != 0 || m_systemEt > m_maxEtSumThr)
  {
    m_etSumHits = (1 << TrigT1CaloDefs::numOfSumEtThresholds) - 1;
    return;
  }
 
  // Get thresholds
  std::vector<std::shared_ptr<TrigConf::L1Threshold>> allThresholds = m_L1Menu->thresholds();
 
  // get Threshold values and test
  // Since eta-dependent values are being used to disable TE in regions, must find lowest value for each threshold
  for ( const auto& thresh : allThresholds ) {
    if ( thresh->type() == L1DataDef::teType()) {
      int threshNumber = thresh->mapping();
      int thresholdValue = m_maxEtSumThr;
      auto thresh_Calo = static_cast<const TrigConf::L1Threshold_Calo*>(thresh.get());
      auto tvcs = thresh_Calo->thrValuesCounts();
      if (tvcs.size() == 0) {
        tvcs.addRangeValue(thresh_Calo->thrValueCounts(),-49, 49, 1, true);
      }
      for (const auto& tVC : tvcs) {
        if (static_cast<int>(tVC.value()) < thresholdValue) {
          thresholdValue = tVC.value();
        }
      }
 
      if (m_restricted == 0 && threshNumber < 8)
      {
        if (static_cast<int>(m_systemEt) > thresholdValue)
          m_etSumHits = m_etSumHits | (1 << threshNumber);
      }
      else if (m_restricted != 0 && threshNumber >= 8)
      {
        if (static_cast<int>(m_systemEt) > thresholdValue)
          m_etSumHits = m_etSumHits | (1 << (threshNumber - 8));
      }
    }
  }
 
  return;
}
 
void SystemEnergy::metSigTrigger()
{
  m_metSigHits = 0;
 
  if (m_restricted != 0)
    return;
 
  auto& params = m_L1Menu->thrExtraInfo().XS();
  unsigned int Scale = params.xsSigmaScale();
  unsigned int Offset = params.xsSigmaOffset();
  unsigned int XEmin = params.xeMin();
  unsigned int XEmax = params.xeMax();
  int sqrtTEmin = params.teSqrtMin();
  int sqrtTEmax = params.teSqrtMax();
 
  if ((m_overflowX > 0) || (m_overflowY > 0) || (m_etMissQ > XEmax * XEmax))
  {
    m_metSigHits = (1 << TrigT1CaloDefs::numOfMEtSigThresholds) - 1;
    return;
  }
  else if ((m_etMissQ < XEmin * XEmin) || (m_systemEt < sqrtTEmin * sqrtTEmin) || (m_systemEt > sqrtTEmax * sqrtTEmax))
  {
    return;
  }
 
  unsigned long aQ = Scale * Scale;
  unsigned int bQ = ceil(Offset * Offset * 1.e-6);
  unsigned long fourbQTE = 4 * bQ * m_systemEt;
 
  // Get thresholds
  std::vector<std::shared_ptr<TrigConf::L1Threshold>> allThresholds = m_L1Menu->thresholds();
 
  for ( const auto& thresh : allThresholds ) {
    if ( thresh->type() == L1DataDef::xsType()) {
 
      int threshNumber = thresh->mapping();
      auto thresh_Calo = static_cast<const TrigConf::L1Threshold_Calo*>(thresh.get());
      unsigned int Ti = thresh_Calo->thrValueCounts();
      unsigned long aQTiQ = (0.5 + double(aQ * 1.e-8) * Ti * Ti);
 
      long left = aQTiQ * aQTiQ * fourbQTE;
      long right = aQTiQ * (m_systemEt + bQ) - m_etMissQ;
 
      if (right < 0 || left > right * right)
        m_metSigHits = m_metSigHits | (1 << threshNumber);
    }
  }
 
  return;
}
 
unsigned int SystemEnergy::encodeTC(int input) const
{
  unsigned int value;
 
  if (input > 0)
  {
    value = input;
  }
  else
  {
    value = (1 << m_sumBits) + input;
  }
 
  int mask = (1 << m_sumBits) - 1;
  return value & mask;
}
 
int SystemEnergy::decodeTC(unsigned int input) const
{
 
  int mask = (1 << m_sumBits) - 1;
  int value = input & mask;
 
  if ((value >> (m_sumBits - 1)))
  {
    int complement = ~value;
    value = -((complement + 1) & mask);
  }
 
  return value;
}
 
} // end of ns