/data/refman/pasoursint/CMSSW_5_3_1/src/SimCalorimetry/EcalTrigPrimAlgos/src/EcalFenixLinearizer.cc

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#include <SimCalorimetry/EcalTrigPrimAlgos/interface/EcalFenixLinearizer.h>

#include <CondFormats/EcalObjects/interface/EcalTPGLinearizationConst.h>
#include <CondFormats/EcalObjects/interface/EcalTPGPedestals.h>
#include <CondFormats/EcalObjects/interface/EcalTPGCrystalStatus.h>

#include "FWCore/MessageLogger/interface/MessageLogger.h"

EcalFenixLinearizer::EcalFenixLinearizer(bool famos)
  : famos_(famos), init_(false)
{
}

EcalFenixLinearizer::~EcalFenixLinearizer(){
  if (init_) {
    for (int i=0;i<(int)vectorbadXStatus_.size();i++){
      delete vectorbadXStatus_[i];
    }
  }    
}

void EcalFenixLinearizer::setParameters(uint32_t raw, const EcalTPGPedestals * ecaltpPed, const EcalTPGLinearizationConst * ecaltpLin, const EcalTPGCrystalStatus * ecaltpBadX)
{
  const EcalTPGLinearizationConstMap & linMap = ecaltpLin->getMap() ; 
  EcalTPGLinearizationConstMapIterator it=linMap.find(raw);
  if (it!=linMap.end()) {
    linConsts_=&(*it);
  }
  else edm::LogWarning("EcalTPG")<<" could not find EcalTPGLinearizationConstMap entry for "<<raw;
  
  const EcalTPGPedestalsMap & pedMap = ecaltpPed->getMap() ; 
  EcalTPGPedestalsMapIterator itped=pedMap.find(raw);
  if (itped!=pedMap.end())   peds_=&(*itped);
  else edm::LogWarning("EcalTPG")<<" could not find EcalTPGPedestalsMap entry for "<<raw;

  const EcalTPGCrystalStatusMap & badXMap = ecaltpBadX->getMap();
  EcalTPGCrystalStatusMapIterator itbadX=badXMap.find(raw); 
  
  if (itbadX!=badXMap.end()) {
    badXStatus_=&(*itbadX);
  }  
  else 
  {   
    edm::LogWarning("EcalTPG")<<" could not find EcalTPGCrystalStatusMap entry for "<<raw; 
    badXStatus_ = new EcalTPGCrystalStatusCode();
    vectorbadXStatus_.push_back(&(*badXStatus_));
    init_ = true;       
  }
}

int EcalFenixLinearizer::process()
{
  int output=(uncorrectedSample_-base_); //Substract base
  if(famos_ && output<0) return 0;
  
  if(output<0) return shift_ << 12; // FENIX bug(!)
  output=(output*mult_)>>(shift_+2);        //Apply multiplicative factor
  if(output>0X3FFFF)output=0X3FFFF;         //Saturation if too high
  return output;
}

int EcalFenixLinearizer::setInput(const EcalMGPASample &RawSam)
{ 
  if(RawSam.raw()>0X3FFF)
    {
      LogDebug("EcalTPG")<<"ERROR IN INPUT SAMPLE OF FENIX LINEARIZER";
      return -1;
    }
  uncorrectedSample_=RawSam.adc(); //uncorrectedSample_ is coded in the 12 LSB
  gainID_=RawSam.gainId();       //uncorrectedSample_ is coded in the 2 next bits!
  //if (gainID_==0)    gainID_=3;

  if(gainID_ == 0)
  {
    base_ = 0;
    shift_ = 0;
    mult_ = 0xFF;
    if((linConsts_->mult_x12 == 0) && (linConsts_->mult_x6 == 0) && (linConsts_->mult_x1 == 0))
    {
      mult_ = 0; // Implemented in CCSSupervisor to
                 // reject overflow cases in rejected channels
    }
  }
  else if (gainID_==1) {
    base_ = peds_ -> mean_x12; 
    shift_ = linConsts_ -> shift_x12;
    
    // take into account the badX
    // badXStatus_ == 0 if the crystal works
    // badXStatus_ !=0 some problem with the crystal
    if (badXStatus_->getStatusCode()!=0){
      mult_ = 0;
    }
    else{ 
      mult_ = linConsts_ -> mult_x12;
    }
  }
  else if (gainID_==2) {
    base_ = peds_ -> mean_x6;
    shift_ = linConsts_ -> shift_x6;
    
    // take into account the badX
    // check if the badX has a status code=0 or 1 
    if (badXStatus_->getStatusCode()!=0){
      mult_ = 0;
    }
    else{
      mult_ = linConsts_ -> mult_x6;
    }  
  }
  else if (gainID_==3){
    base_ = peds_-> mean_x1; 
    shift_ = linConsts_ -> shift_x1;
    
    // take into account the badX 
    // check if the badX has a status code=0 or 1
    if (badXStatus_->getStatusCode()!=0){
      mult_ = 0;
    }
    else{
      mult_ = linConsts_ -> mult_x1;
    } 
  }
  
  
  if (famos_) base_=200; //FIXME by preparing a correct TPG.txt for Famos

  return 1;
}