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/data/refman/pasoursint/CMSSW_5_3_3/src/L1Trigger/GlobalMuonTrigger/src/L1MuGMTLFDeltaEtaLUT.cc

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00001 //-------------------------------------------------
00002 //
00003 //   Class: L1MuGMTLFDeltaEtaLUT
00004 //
00005 //   this class was automatically generated by L1MuGMTLUT::MakeSubClass()  
00006 // 
00007 //   $Date: 2007/04/02 15:45:38 $
00008 //   $Revision: 1.3 $
00009 //
00010 //   Author :
00011 //   H. Sakulin            HEPHY Vienna
00012 //
00013 //   Migrated to CMSSW:
00014 //   I. Mikulec
00015 //
00016 //--------------------------------------------------
00017 
00018 //-----------------------
00019 // This Class's Header --
00020 //-----------------------
00021 #include "L1Trigger/GlobalMuonTrigger/src/L1MuGMTLFDeltaEtaLUT.h"
00022 
00023 //------------------------------------
00024 // Collaborating Class Declarations --
00025 //------------------------------------
00026 #include "L1Trigger/GlobalMuonTrigger/src/L1MuGMTConfig.h"
00027 #include "CondFormats/L1TObjects/interface/L1MuGMTScales.h"
00028 #include "CondFormats/L1TObjects/interface/L1MuTriggerScales.h"
00029 #include "CondFormats/L1TObjects/interface/L1MuPacking.h"
00030 
00031 void L1MuGMTLFDeltaEtaLUT::InitParameters() {
00032 }
00033 
00034 unsigned L1MuGMTLFDeltaEtaLUT::TheLookupFunction (int idx, unsigned eta_dtcsc, unsigned eta_rpc) const {
00035   const L1MuGMTScales* theGMTScales = L1MuGMTConfig::getGMTScales();
00036   const L1MuTriggerScales* theTriggerScales = L1MuGMTConfig::getTriggerScales();
00037 
00038   // idx is DTRPC CSCRPC
00039 
00040   float etaValue_dtcsc = theTriggerScales->getRegionalEtaScale(idx*2)->getCenter(eta_dtcsc);
00041   float etaValue_rpc = theTriggerScales->getRegionalEtaScale(idx*2+1)->getCenter(eta_rpc); 
00042 
00043   float delta_eta = etaValue_dtcsc - etaValue_rpc;
00044 
00045 
00046   unsigned delta_eta_4bit = 0;
00047 
00048   // check out of range
00049   if (delta_eta < theGMTScales->getDeltaEtaScale(idx)->getScaleMin() ||
00050       delta_eta > theGMTScales->getDeltaEtaScale(idx)->getScaleMax()) {
00051     L1MuSignedPacking<4> pack;
00052     delta_eta_4bit = pack.packedFromIdx (-8);
00053   }
00054   else {
00055     delta_eta_4bit = theGMTScales->getDeltaEtaScale(idx)->getPacked( delta_eta );
00056   }
00057 
00058   //      cout << "delta-eta LUT : idx= " << idx
00059   //     << ", etaValue_dtcsc = " << etaValue_dtcsc
00060   //     << ", etaValue_rpc = " << etaValue_rpc
00061   //     << ", delta_eta = " << delta_eta
00062   //     << ", packed = " << delta_eta_4bit
00063   //     << endl;
00064  
00065     
00066   return delta_eta_4bit;
00067 }
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