l1t::Stage2TowerDecompressAlgorithmFirmwareImp1 Class Reference

#include <Stage2TowerDecompressAlgorithmFirmware.h>

Inheritance diagram for l1t::Stage2TowerDecompressAlgorithmFirmwareImp1:

Public Member Functions
void	processEvent (const std::vector< l1t::CaloTower > &inTowers, std::vector< l1t::CaloTower > &outTowers) override
	Stage2TowerDecompressAlgorithmFirmwareImp1 (CaloParamsHelper const *params)
	~Stage2TowerDecompressAlgorithmFirmwareImp1 () override
Public Member Functions inherited from l1t::Stage2TowerDecompressAlgorithm
virtual	~Stage2TowerDecompressAlgorithm ()

Private Attributes
CaloParamsHelper const *	params_

Detailed Description

Definition at line 22 of file Stage2TowerDecompressAlgorithmFirmware.h.

Constructor & Destructor Documentation

l1t::Stage2TowerDecompressAlgorithmFirmwareImp1::Stage2TowerDecompressAlgorithmFirmwareImp1

(

CaloParamsHelper const *

params

)

Definition at line 14 of file Stage2TowerDecompressAlgorithmFirmwareImp1.cc.

                                                                                                                        :
  params_(params)
{

}

l1t::Stage2TowerDecompressAlgorithmFirmwareImp1::~Stage2TowerDecompressAlgorithmFirmwareImp1 ( )

override

Definition at line 21 of file Stage2TowerDecompressAlgorithmFirmwareImp1.cc.

                                                                                           {


}

Member Function Documentation

void l1t::Stage2TowerDecompressAlgorithmFirmwareImp1::processEvent ( const std::vector< l1t::CaloTower > &  inTowers, std::vector< l1t::CaloTower > &  outTowers  )

overridevirtual

Implements l1t::Stage2TowerDecompressAlgorithm.

Definition at line 27 of file Stage2TowerDecompressAlgorithmFirmwareImp1.cc.

References l1t::CaloParamsHelper::doTowerEncoding(), createfilelist::int, params_, funct::pow(), particleFlowDisplacedVertex_cfi::ratio, l1t::L1Candidate::setHwEta(), l1t::CaloTower::setHwEtEm(), l1t::CaloTower::setHwEtHad(), l1t::CaloTower::setHwEtRatio(), l1t::L1Candidate::setHwPhi(), l1t::L1Candidate::setHwPt(), l1t::L1Candidate::setHwQual(), l1t::CaloParamsHelper::towerMaskE(), and l1t::CaloParamsHelper::towerMaskH().

                                                                        {


  for ( auto tow = inTowers.begin();
    tow != inTowers.end();
    ++tow ) {

    if (!params_->doTowerEncoding()) {

      outTowers.push_back( *tow );

    }

    else {


      int sum   = tow->hwPt();
      int ratio = tow->hwEtRatio();
      int qual  = tow->hwQual();
      
      int denomCoeff = int ( ( 128./ ( 1. + pow(2,ratio) ) ) + 0.5 );
      int numCoeff = 128 - denomCoeff;

      // if ((qual & 0x1)==0) {
      //    switch (ratio) {
      //    case 000 :
      //      numCoeff = 64;
      //      denomCoeff = 64;
      //      break;
      //    case 001 :
      //      numCoeff = 43;
      //      denomCoeff = 85;
      //      break;
      //    case 010 :
      //      numCoeff = 26;
      //      denomCoeff = 102;
      //      break;
      //    case 011 :
      //      numCoeff = 14;
      //      denomCoeff = 114;
      //      break;
      //    case 100 :
      //      numCoeff = 8;
      //      denomCoeff = 120;
      //      break;
      //    case 101 :
      //      numCoeff = 4;
      //      denomCoeff = 124;
      //      break;
      //    case 110 :
      //      numCoeff = 2;
      //      denomCoeff = 126;
      //      break;
      //    case 111 :
      //      numCoeff = 1;
      //      denomCoeff = 127;
      //      break;
      //    }
      // }
      // else {
      //    numCoeff = 128;
      //    denomCoeff = 0;
      // }

      int em    = 0;
      int had   = 0;

      bool denomZeroFlag = ((qual&0x1) > 0);
      bool eOverHFlag    = ((qual&0x2) > 0);
      
      if (denomZeroFlag && !eOverHFlag) had = sum;

      if (denomZeroFlag && eOverHFlag) em = sum;

      if (!denomZeroFlag && !eOverHFlag) { // H > E, ratio = log(H/E)
        em  = (denomCoeff * sum) >> 7;
        had = (numCoeff * sum) >> 7;
      }

      if (!denomZeroFlag && eOverHFlag) { // E >= H , so ratio==log(E/H)
        em  = (numCoeff * sum) >> 7;
        had = (denomCoeff * sum) >> 7;
      }

      em  &= params_->towerMaskE();
      had &= params_->towerMaskH();

      l1t::CaloTower newTow;
      newTow.setHwEta( tow->hwEta() );
      newTow.setHwPhi( tow->hwPhi() );
      newTow.setHwEtEm( em );
      newTow.setHwEtHad( had );

      newTow.setHwPt( sum );
      newTow.setHwEtRatio( ratio );
      newTow.setHwQual( qual );

      outTowers.push_back(newTow);

    }

  }

}

Member Data Documentation

CaloParamsHelper const* l1t::Stage2TowerDecompressAlgorithmFirmwareImp1::params_

private

Definition at line 29 of file Stage2TowerDecompressAlgorithmFirmware.h.

Referenced by processEvent().