Settings.h

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#ifndef L1Trigger_TrackFindingTracklet_interface_Settings_h
#define L1Trigger_TrackFindingTracklet_interface_Settings_h
 
#include <iostream>
#include <string>
#include <array>
#include <set>
#include <cassert>
#include <cmath>
#include <unordered_map>
 
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/Utilities/interface/Exception.h"
 
namespace trklet {
 
  constexpr unsigned int N_SECTOR = 9;  // # of phi sectors for L1TK processing
 
  constexpr int N_LAYER = 6;             // # of barrel layers assumed
  constexpr int N_DISK = 5;              // # of endcap disks assumed
  constexpr unsigned int N_PSLAYER = 3;  // # of barrel PS layers assumed
  constexpr unsigned int N_SEED = 12;    // # of tracklet+triplet seeds
 
  constexpr unsigned int N_DSS_MOD = 5;  // # of rings with 2S modules per disk
 
  constexpr unsigned int NRINVBITS = 5;    //number of bit for rinv in bend match table
  constexpr unsigned int NFINERZBITS = 3;  //number of bit for r or z within a r/z bin
 
  constexpr double sixth = 1.0 / 6.0;  //Commonly used factor
 
  class Settings {
  public:
    Settings() {
      //Comment out to run tracklet-only algorithm
#ifdef CMSSW_GIT_HASH
#ifndef USEHYBRID
#pragma message "USEHYBRID is undefined, so Hybrid L1 tracking disabled."
#endif
#endif
    }
 
    ~Settings() = default;
 
    // processing & memory modules, wiring, etc.
    std::string DTCLinkFile() const { return DTCLinkFile_; }
    std::string const& moduleCablingFile() const { return moduleCablingFile_; }
    std::string const& DTCLinkLayerDiskFile() const { return DTCLinkLayerDiskFile_; }
    std::string const& fitPatternFile() const { return fitPatternFile_; }
    std::string const& processingModulesFile() const { return processingModulesFile_; }
    std::string const& memoryModulesFile() const { return memoryModulesFile_; }
    std::string const& wiresFile() const { return wiresFile_; }
    std::string const& tableTEDFile() const { return tableTEDFile_; }
    std::string const& tableTREFile() const { return tableTREFile_; }
 
    void setDTCLinkFile(std::string DTCLinkFileName) { DTCLinkFile_ = DTCLinkFileName; }
    void setModuleCablingFile(std::string moduleCablingFileName) { moduleCablingFile_ = moduleCablingFileName; }
    void setDTCLinkLayerDiskFile(std::string DTCLinkLayerDiskFileName) {
      DTCLinkLayerDiskFile_ = DTCLinkLayerDiskFileName;
    }
    void setFitPatternFile(std::string fitPatternFileName) { fitPatternFile_ = fitPatternFileName; }
    void setProcessingModulesFile(std::string processingModulesFileName) {
      processingModulesFile_ = processingModulesFileName;
    }
    void setMemoryModulesFile(std::string memoryModulesFileName) { memoryModulesFile_ = memoryModulesFileName; }
    void setWiresFile(std::string wiresFileName) { wiresFile_ = wiresFileName; }
    void setTableTEDFile(std::string tableTEDFileName) { tableTEDFile_ = tableTEDFileName; }
    void setTableTREFile(std::string tableTREFileName) { tableTREFile_ = tableTREFileName; }
 
    unsigned int nzbitsstub(unsigned int layerdisk) const { return nzbitsstub_[layerdisk]; }
    unsigned int nphibitsstub(unsigned int layerdisk) const { return nphibitsstub_[layerdisk]; }
    unsigned int nrbitsstub(unsigned int layerdisk) const { return nrbitsstub_[layerdisk]; }
 
    unsigned int nrbitsprojderdisk() const { return nrbitsprojderdisk_; }
    unsigned int nbitsphiprojderL123() const { return nbitsphiprojderL123_; }
    unsigned int nbitsphiprojderL456() const { return nbitsphiprojderL456_; }
    unsigned int nbitszprojderL123() const { return nbitszprojderL123_; }
    unsigned int nbitszprojderL456() const { return nbitszprojderL456_; }
 
    unsigned int nbendbitsmedisk() const { return nbendbitsmedisk_; }
 
    bool useSeed(unsigned int iSeed) const { return useseeding_.find(iSeed) != useseeding_.end(); }
    unsigned int nbitsvmte(unsigned int inner, unsigned int iSeed) const {
      if (combined_) {
        return nbitsvmtecm_[inner][iSeed];
      }
      return nbitsvmte_[inner][iSeed];
    }
    unsigned int nvmte(unsigned int inner, unsigned int iSeed) const { return (1 << nbitsvmte(inner, iSeed)); }
 
    unsigned int nbitsvmme(unsigned int layerdisk) const { return nbitsvmme_[layerdisk]; }
    unsigned int nvmme(unsigned int layerdisk) const { return (1 << nbitsvmme_[layerdisk]); }
 
    unsigned int nbitsallstubs(unsigned int layerdisk) const { return nbitsallstubs_[layerdisk]; }
    unsigned int nallstubs(unsigned int layerdisk) const { return (1 << nbitsallstubs_[layerdisk]); }
 
    bool writeMonitorData(std::string module) const {
      if (writeMonitorData_.find(module) == writeMonitorData_.end()) {
        throw cms::Exception("BadConfig") << "Settings::writeMonitorData module = " << module << " not known";
      }
      return writeMonitorData_.at(module);
    }
 
    unsigned int maxStep(std::string module) const {
      if (maxstep_.find(module) == maxstep_.end()) {
        throw cms::Exception("BadConfig")
            << __FILE__ << " " << __LINE__ << " maxStep module = " << module << " not known";
      }
      return maxstep_.at(module) + maxstepoffset_;
    }
 
    double zlength() const { return zlength_; }
    double rmaxdisk() const { return rmaxdisk_; }
    double rmindisk() const { return rmindisk_; }
 
    double drmax() const { return rmaxdisk_ / deltarzfract_; }
    double dzmax() const { return zlength_ / deltarzfract_; }
 
    double half2SmoduleWidth() const { return half2SmoduleWidth_; }
 
    double bendcutte(unsigned int inner, unsigned int iSeed) const { return bendcutte_[inner][iSeed]; }
    double bendcutme(unsigned int layerdisk) const { return bendcutme_[layerdisk]; }
    int nfinephi(unsigned int inner, unsigned int iSeed) const { return nfinephi_[inner][iSeed]; }
    double nphireg(unsigned int inner, unsigned int iSeed) const {
      if (combined_) {
        return nphiregcm_[inner][iSeed];
      }
      return nphireg_[inner][iSeed];
    }
    double lutwidthtab(unsigned int inner, unsigned int iSeed) const { return lutwidthtab_[inner][iSeed]; }
    double lutwidthtabextended(unsigned int inner, unsigned int iSeed) const {
      return lutwidthtabextended_[inner][iSeed];
    }
 
    unsigned int projlayers(unsigned int iSeed, unsigned int i) const { return projlayers_[iSeed][i]; }
    unsigned int projdisks(unsigned int iSeed, unsigned int i) const { return projdisks_[iSeed][i]; }
    double rphimatchcut(unsigned int iSeed, unsigned int ilayer) const { return rphimatchcut_[ilayer][iSeed]; }
    double zmatchcut(unsigned int iSeed, unsigned int ilayer) const { return zmatchcut_[ilayer][iSeed]; }
    double rphicutPS(unsigned int iSeed, unsigned int idisk) const { return rphicutPS_[idisk][iSeed]; }
    double rcutPS(unsigned int iSeed, unsigned int idisk) const { return rcutPS_[idisk][iSeed]; }
    double rphicut2S(unsigned int iSeed, unsigned int idisk) const { return rphicut2S_[idisk][iSeed]; }
    double rcut2S(unsigned int iSeed, unsigned int idisk) const { return rcut2S_[idisk][iSeed]; }
 
    double rmean(unsigned int iLayer) const { return irmean_[iLayer] * rmaxdisk_ / 4096; }
    double rmax(unsigned int iLayer) const { return rmean(iLayer) + drmax(); }
    double rmin(unsigned int iLayer) const { return rmean(iLayer) - drmax(); }
    double zmean(unsigned int iDisk) const { return izmean_[iDisk] * zlength_ / 2048; }
    double zmax(unsigned int iDisk) const { return zmean(iDisk) + dzmax(); }
    double zmin(unsigned int iDisk) const { return zmean(iDisk) - dzmax(); }
 
    double rDSSinner(unsigned int iBin) const {
      return rDSSinner_mod_[iBin / 2] + halfstrip_ * ((iBin % 2 == 0) ? -1 : 1);
    }
    double rDSSouter(unsigned int iBin) const {
      return rDSSouter_mod_[iBin / 2] + halfstrip_ * ((iBin % 2 == 0) ? -1 : 1);
    }
 
    unsigned int vmrlutzbits(unsigned int layerdisk) const { return vmrlutzbits_[layerdisk]; }
    unsigned int vmrlutrbits(unsigned int layerdisk) const { return vmrlutrbits_[layerdisk]; }
 
    bool printDebugKF() const { return printDebugKF_; }
    bool debugTracklet() const { return debugTracklet_; }
    bool writetrace() const { return writetrace_; }
 
    bool warnNoMem() const { return warnNoMem_; }
    bool warnNoDer() const { return warnNoDer_; }
 
    bool writeMem() const { return writeMem_; }
    bool writeTable() const { return writeTable_; }
    std::string const& memPath() const { return memPath_; }
    std::string const& tablePath() const { return tablePath_; }
 
    bool writeVerilog() const { return writeVerilog_; }
    bool writeHLS() const { return writeHLS_; }
    bool writeInvTable() const { return writeInvTable_; }
    bool writeHLSInvTable() const { return writeHLSInvTable_; }
 
    unsigned int writememsect() const { return writememsect_; }
 
    bool enableTripletTables() const { return enableTripletTables_; }
    bool writeTripletTables() const { return writeTripletTables_; }
 
    bool writeoutReal() const { return writeoutReal_; }
 
    bool bookHistos() const { return bookHistos_; }
 
    double ptcut() const { return ptcut_; }
    double rinvcut() const { return 0.01 * c_ * bfield_ / ptcut_; }  //0.01 to convert to cm-1
 
    double c() const { return c_; }
 
    double rinvmax() const { return 0.01 * c_ * bfield_ / ptmin_; }
 
    int alphashift() const { return alphashift_; }
    int nbitsalpha() const { return nbitsalpha_; }
    int alphaBitsTable() const { return alphaBitsTable_; }
    int nrinvBitsTable() const { return nrinvBitsTable_; }
 
    unsigned int MEBinsBits() const { return MEBinsBits_; }
    unsigned int MEBins() const { return 1u << MEBinsBits_; }
    unsigned int MEBinsDisks() const { return MEBinsDisks_; }
    unsigned int maxStubsPerBin() const { return maxStubsPerBin_; }
 
    std::string geomext() const {
      if (combined_)
        return "hourglassCombined";
      return extended_ ? "hourglassExtended" : "hourglass";
    }
 
    bool exactderivatives() const { return exactderivatives_; }
    bool exactderivativesforfloating() const { return exactderivativesforfloating_; }
    bool useapprox() const { return useapprox_; }
    bool usephicritapprox() const { return usephicritapprox_; }
 
    unsigned int minIndStubs() const { return minIndStubs_; }
    std::string removalType() const { return removalType_; }
    std::string mergeComparison() const { return mergeComparison_; }
    bool doKF() const { return doKF_; }
    bool doMultipleMatches() const { return doMultipleMatches_; }
    bool fakefit() const { return fakefit_; }
 
    // configurable
    unsigned int nHelixPar() const { return nHelixPar_; }
    void setNHelixPar(unsigned int nHelixPar) { nHelixPar_ = nHelixPar; }
 
    bool extended() const { return extended_; }
    void setExtended(bool extended) { extended_ = extended; }
    bool combined() const { return combined_; }
    void setCombined(bool combined) { combined_ = combined; }
 
    double bfield() const { return bfield_; }
    void setBfield(double bfield) { bfield_ = bfield; }
 
    unsigned int nStrips(bool isPSmodule) const { return isPSmodule ? nStrips_PS_ : nStrips_2S_; }
    void setNStrips_PS(unsigned int nStrips_PS) { nStrips_PS_ = nStrips_PS; }
    void setNStrips_2S(unsigned int nStrips_2S) { nStrips_2S_ = nStrips_2S; }
 
    double stripPitch(bool isPSmodule) const { return isPSmodule ? stripPitch_PS_ : stripPitch_2S_; }
    void setStripPitch_PS(double stripPitch_PS) { stripPitch_PS_ = stripPitch_PS; }
    void setStripPitch_2S(double stripPitch_2S) { stripPitch_2S_ = stripPitch_2S; }
 
    double stripLength(bool isPSmodule) const { return isPSmodule ? stripLength_PS_ : stripLength_2S_; }
    void setStripLength_PS(double stripLength_PS) { stripLength_PS_ = stripLength_PS; }
    void setStripLength_2S(double stripLength_2S) { stripLength_2S_ = stripLength_2S; }
 
    std::string skimfile() const { return skimfile_; }
    void setSkimfile(std::string skimfile) { skimfile_ = skimfile; }
 
    unsigned int nbitstrackletindex() const { return nbitstrackletindex_; }
    void setNbitstrackletindex(unsigned int nbitstrackletindex) { nbitstrackletindex_ = nbitstrackletindex; }
 
    double dphisectorHG() const {
      return 2 * M_PI / N_SECTOR +
             2 * std::max(std::abs(asin(0.5 * rinvmax() * rmean(0)) - asin(0.5 * rinvmax() * rcrit_)),
                          std::abs(asin(0.5 * rinvmax() * rmean(5)) - asin(0.5 * rinvmax() * rcrit_)));
    }
 
    double rcrit() const { return rcrit_; }
 
    double dphisector() const { return 2 * M_PI / N_SECTOR; }
 
    double phicritmin() const { return 0.5 * dphisectorHG() - M_PI / N_SECTOR; }
    double phicritmax() const { return dphisectorHG() - 0.5 * dphisectorHG() + M_PI / N_SECTOR; }
 
    double phicritminmc() const { return phicritmin() - dphicritmc_; }
    double phicritmaxmc() const { return phicritmax() + dphicritmc_; }
 
    double kphi() const { return dphisectorHG() / (1 << nphibitsstub(0)); }
    double kphi1() const { return dphisectorHG() / (1 << nphibitsstub(5)); }
 
    double kz() const { return 2 * zlength_ / (1 << nzbitsstub_[0]); }
    double kr() const { return rmaxdisk_ / (1 << nrbitsstub_[6]); }
 
    double maxrinv() const { return maxrinv_; }
    double maxd0() const { return maxd0_; }
    unsigned int nbitsd0() const { return nbitsd0_; }
 
    double kd0() const { return 2 * maxd0_ / (1 << nbitsd0_); }
 
    double rinvcutte() const { return 0.01 * c_ * bfield_ / ptcutte_; }  //0.01 to convert to cm-1
 
    double rmindiskvm() const { return rmindiskvm_; }
    double rmaxdiskvm() const { return rmaxdiskvm_; }
 
    double rmaxdiskl1overlapvm() const { return rmaxdiskl1overlapvm_; }
    double rmindiskl2overlapvm() const { return rmindiskl2overlapvm_; }
    double rmindiskl3overlapvm() const { return rmindiskl3overlapvm_; }
 
    double rPS2S() const { return rPS2S_; }
 
    double z0cut() const { return z0cut_; }
 
    double disp_z0cut() const { return disp_z0cut_; }
 
    unsigned int NLONGVMBITS() const { return NLONGVMBITS_; }
    unsigned int NLONGVMBINS() const { return (1 << NLONGVMBITS_); }
 
    unsigned int ntrackletmax() const { return ((1 << nbitstrackletindex_) - 1); }
 
    //Bits used to store track parameter in tracklet
    int nbitsrinv() const { return nbitsrinv_; }
    int nbitsphi0() const { return nbitsphi0_; }
    int nbitst() const { return nbitst_; }
    int nbitsz0() const { return nbitsz0_; }
 
    //track and tracklet parameters
    int rinv_shift() const { return rinv_shift_; }
    int phi0_shift() const { return phi0_shift_; }
    int t_shift() const { return t_shift_; }
    int z0_shift() const { return z0_shift_; }
 
    //projections are coarsened from global to stub precision
 
    //projection to R parameters
    int SS_phiL_shift() const { return SS_phiL_shift_; }
    int PS_zL_shift() const { return PS_zL_shift_; }
 
    int SS_phiderL_shift() const { return SS_phiderL_shift_; }
    int PS_zderL_shift() const { return PS_zderL_shift_; }
    int SS_zderL_shift() const { return SS_zderL_shift_; }
 
    //projection to Z parameters
    int SS_phiD_shift() const { return SS_phiD_shift_; }
    int PS_rD_shift() const { return PS_rD_shift_; }
 
    int SS_phiderD_shift() const { return SS_phiderD_shift_; }
    int PS_rderD_shift() const { return PS_rderD_shift_; }
 
    //numbers needed for matches & fit, unclear what they are.
    int phi0bitshift() const { return phi0bitshift_; }
    int phiderbitshift() const { return phiderbitshift_; }
    int zderbitshift() const { return zderbitshift_; }
 
    int phiresidbits() const { return phiresidbits_; }
    int zresidbits() const { return zresidbits_; }
    int rresidbits() const { return rresidbits_; }
 
    //Trackfit
    int fitrinvbitshift() const { return fitrinvbitshift_; }
    int fitphi0bitshift() const { return fitphi0bitshift_; }
    int fittbitshift() const { return fittbitshift_; }
    int fitz0bitshift() const { return fitz0bitshift_; }
 
    //r correction bits
    int rcorrbits() const { return rcorrbits_; }
 
    int chisqphifactbits() const { return chisqphifactbits_; }
    int chisqzfactbits() const { return chisqzfactbits_; }
 
    //0.02 here is the maximum range in rinv values that can be represented
    double krinvpars() const {
      int shift = ceil(-log2(0.02 * rmaxdisk_ / ((1 << nbitsrinv_) * dphisectorHG())));
      return dphisectorHG() / rmaxdisk_ / (1 << shift);
    }
    double kphi0pars() const { return 2 * kphi1(); }
    double ktpars() const { return maxt_ / (1 << nbitst_); }
    double kz0pars() const { return kz(); }
    double kd0pars() const { return kd0(); }
 
    double kphider() const { return krinvpars() / (1 << phiderbitshift_); }
    double kzder() const { return ktpars() / (1 << zderbitshift_); }
 
    //This is a 'historical accident' and should be fixed so that we don't
    //have the factor if 2
    double krprojshiftdisk() const { return 2 * kr(); }
 
  private:
    std::string DTCLinkFile_;
    std::string moduleCablingFile_;
    std::string DTCLinkLayerDiskFile_;
    std::string fitPatternFile_;
    std::string processingModulesFile_;
    std::string memoryModulesFile_;
    std::string wiresFile_;
    std::string tableTEDFile_;
    std::string tableTREFile_;
 
    double rcrit_{55.0};  // critical radius for the hourglass configuration
 
    double dphicritmc_{0.005};
 
    //fraction of full r and z range that stubs can be located within layer/disk
    double deltarzfract_{32.0};
 
    double maxt_{32.0};  //range in t that we must cover
 
    std::array<unsigned int, N_LAYER> irmean_{{851, 1269, 1784, 2347, 2936, 3697}};
    std::array<unsigned int, N_DISK> izmean_{{2239, 2645, 3163, 3782, 4523}};
 
    std::array<unsigned int, N_LAYER + N_DISK> nzbitsstub_{{12, 12, 12, 8, 8, 8, 7, 7, 7, 7, 7}};
    std::array<unsigned int, N_LAYER + N_DISK> nphibitsstub_{{14, 14, 14, 17, 17, 17, 14, 14, 14, 14, 14}};
    std::array<unsigned int, N_LAYER + N_DISK> nrbitsstub_{{7, 7, 7, 7, 7, 7, 12, 12, 12, 12, 12}};
 
    unsigned int nrbitsprojderdisk_{9};
    unsigned int nbitsphiprojderL123_{10};
    unsigned int nbitsphiprojderL456_{10};
    unsigned int nbitszprojderL123_{10};
    unsigned int nbitszprojderL456_{9};
 
    unsigned int nbendbitsmedisk_{4};  // Always 4 bits even for PS disk hits, for HLS compatibility
 
    std::set<unsigned int> useseeding_{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11};
 
    std::array<unsigned int, N_LAYER + N_DISK> nbitsallstubs_{{3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2}};
    std::array<unsigned int, N_LAYER + N_DISK> nbitsvmme_{{2, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2}};
    std::array<std::array<unsigned int, N_SEED>, 3> nbitsvmte_{
        {{{2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 3, 2}},  // (3 = #stubs/triplet, only row 1+2 used for tracklet)
         {{3, 2, 3, 3, 2, 2, 2, 2, 3, 3, 2, 2}},
         {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 1}}}};
 
    std::array<std::array<unsigned int, N_SEED>, 3> nbitsvmtecm_{
        {{{2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 3, 2}},  // (3 = #stubs/triplet, only row 1+2 used for tracklet)
         {{3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2}},
         {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 1}}}};
 
    std::array<std::array<double, 8>, 2> bendcutte_{
        {{{1.25, 1.25, 1.25, 1.25, 1.25, 1.25, 1.25, 1.25}},    //inner (2 = #stubs/tracklet)
         {{1.25, 1.25, 1.25, 1.25, 1.25, 1.25, 1.25, 1.25}}}};  //outer
 
    std::array<double, N_LAYER + N_DISK> bendcutme_{{2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 1.5, 1.5, 1.5, 1.5, 1.5}};
 
    double rmindiskvm_{22.5};
    double rmaxdiskvm_{67.0};
 
    double rmaxdiskl1overlapvm_{45.0};
    double rmindiskl2overlapvm_{40.0};
    double rmindiskl3overlapvm_{50.0};
 
    double rPS2S_{60.0};
 
    double z0cut_{15.0};
 
    double disp_z0cut_{27.0};
 
    unsigned int NLONGVMBITS_{3};
 
    double zlength_{120.0};
    double rmaxdisk_{120.0};
    double rmindisk_{20.0};
 
    double half2SmoduleWidth_{4.57};
 
    double maxrinv_{0.006};
    double maxd0_{10.0};
 
    unsigned int nbitsd0_{13};
 
    double ptmin_{2.0};  //minumim pt for tracks
 
    double ptcutte_{1.8};  //Minimum pt in TE
 
    unsigned int nbitstrackletindex_{7};  //Bits used to store the tracklet index
 
    //Bits used to store track parameter in tracklet
    int nbitsrinv_{14};
    int nbitsphi0_{18};
    int nbitst_{14};
    int nbitsz0_{10};
 
    //track and tracklet parameters
    int rinv_shift_{-8};  // Krinv = 2^shift * Kphi/Kr
    int phi0_shift_{1};   // Kphi0 = 2^shift * Kphi
    int t_shift_{-10};    // Kt    = 2^shift * Kz/Kr
    int z0_shift_{0};     // Kz0   = 2^shift * kz
 
    //projections are coarsened from global to stub precision
 
    //projection to R parameters
    int SS_phiL_shift_{0};
    int PS_zL_shift_{0};  // z projections have global precision in ITC
 
    int SS_phiderL_shift_{-5};
    int PS_zderL_shift_{-7};  // Kderz = 2^shift * Kz/Kr
    int SS_zderL_shift_{-7};
 
    //projection to Z parameters
    int SS_phiD_shift_{3};
    int PS_rD_shift_{1};  // a bug?! coarser by a factor of two then stubs??
 
    int SS_phiderD_shift_{-4};
    int PS_rderD_shift_{-6};  //Kderrdisk = 2^shift * Kr/Kz
 
    //numbers needed for matches & fit, unclear what they are.
    int phi0bitshift_{1};
    int phiderbitshift_{7};
    int zderbitshift_{6};
 
    int phiresidbits_{12};
    int zresidbits_{9};
    int rresidbits_{7};
 
    //Trackfit
    int fitrinvbitshift_{9};  //6 OK?
    int fitphi0bitshift_{6};  //4 OK?
    int fittbitshift_{10};    //4 OK? //lower number gives rounding problems
    int fitz0bitshift_{8};    //6 OK?
 
    //r correction bits
    int rcorrbits_{6};
 
    int chisqphifactbits_{14};
    int chisqzfactbits_{14};
 
    std::array<unsigned int, N_LAYER + N_DISK> vmrlutzbits_{
        {7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3}};  // zbits used by LUT in VMR
    std::array<unsigned int, N_LAYER + N_DISK> vmrlutrbits_{
        {4, 4, 4, 4, 4, 4, 8, 8, 8, 8, 8}};  // rbits used by LUT in VMR
 
    std::array<std::array<unsigned int, N_SEED>, 3> nfinephi_{
        {{{2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2}},    //inner  (3 = #stubs/triplet, only row 1+2 used for tracklet)
         {{3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3}},    //outer
         {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3}}}};  //outermost (triplets only)
 
    //These are the number of bits used for the VM regions in the TE by seedindex
    //FIXME not independed nbitsvmte
    std::array<std::array<unsigned int, N_SEED>, 3> nphireg_{
        {{{5, 4, 4, 4, 4, 4, 4, 3, 4, 4, 5, 4}},    //inner
         {{5, 4, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4}},    //outer
         {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4}}}};  //outermost (triplets only)
 
    //For combined modules
    std::array<std::array<unsigned int, N_SEED>, 3> nphiregcm_{
        {{{5, 4, 4, 4, 4, 4, 4, 3, 4, 4, 5, 4}},    //inner
         {{5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4}},    //outer
         {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4}}}};  //outermost (triplets only)
 
    std::array<std::array<unsigned int, N_SEED>, 3> lutwidthtab_{{{{10, 10, 10, 10, 10, 10, 10, 10, 0, 0, 11, 0}},
                                                                  {{6, 6, 6, 6, 10, 10, 10, 10, 0, 0, 6, 0}},
                                                                  {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 6}}}};
 
    std::array<std::array<unsigned int, N_SEED>, 3> lutwidthtabextended_{
        {{{11, 11, 21, 21, 21, 21, 11, 11, 0, 0, 21, 0}},
         {{6, 6, 6, 6, 10, 10, 10, 10, 0, 0, 6, 0}},
         {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 6}}}};
 
    //projection layers by seed index. For each seeding index (row) the list of layers that we consider projections to
    std::array<std::array<unsigned int, N_LAYER - 2>, N_SEED> projlayers_{{{{3, 4, 5, 6}},  //0 L1L2
                                                                           {{1, 4, 5, 6}},  //1 L2L3
                                                                           {{1, 2, 5, 6}},  //2 L3L4
                                                                           {{1, 2, 3, 4}},  //3 L5L6
                                                                           {{1, 2}},        //4 D1D2
                                                                           {{1}},           //5 D3D4
                                                                           {{}},            //6 L1D1
                                                                           {{1}},           //7 L2D1
                                                                           {{1, 5, 6}},     //8 L2L3L4
                                                                           {{1, 2, 3}},     //9 L4L5L6
                                                                           {{1}},           //10 L2L3D1
                                                                           {{1}}}};         //11 D1D2L2
 
    //projection disks by seed index. For each seeding index (row) the list of diks that we consider projections to
    std::array<std::array<unsigned int, N_DISK>, N_SEED> projdisks_{{{{1, 2, 3, 4}},  //0 L1L2
                                                                     {{1, 2, 3, 4}},  //1 L2L3
                                                                     {{1, 2}},        //2 L3L4
                                                                     {{}},            //3 L5L6
                                                                     {{3, 4, 5}},     //4 D1D2
                                                                     {{1, 2, 5}},     //5 D3D4
                                                                     {{2, 3, 4, 5}},  //6 L1D1
                                                                     {{2, 3, 4}},     //7 L2D1
                                                                     {{1, 2}},        //8 L2L3L4
                                                                     {{}},            //9 L4L5L6
                                                                     {{2, 3, 4}},     //10 L2L3D1
                                                                     {{3, 4}}}};      //11 D1D2L2
 
    //rphi cuts for layers - the column is the seedindex
    std::array<std::array<double, N_SEED>, N_LAYER> rphimatchcut_{
        {{{0.0, 0.1, 0.07, 0.08, 0.07, 0.05, 0.0, 0.05, 0.08, 0.15, 0.125, 0.15}},  //Layer 1
         {{0.0, 0.0, 0.06, 0.08, 0.05, 0.0, 0.0, 0.0, 0.0, 0.1, 0.0, 0.0}},         //Layer 2
         {{0.1, 0.0, 0.0, 0.08, 0.0, 0.0, 0.0, 0.0, 0.0, 0.08, 0.0, 0.0}},          //Layer 3
         {{0.19, 0.19, 0.0, 0.05, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}},         //Layer 4
         {{0.4, 0.4, 0.08, 0.0, 0.0, 0.0, 0.0, 0.0, 0.08, 0.0, 0.0, 0.0}},          //Layer 5
         {{0.5, 0.0, 0.19, 0.0, 0.0, 0.0, 0.0, 0.0, 0.2, 0.0, 0.0, 0.0}}}};         //Layer 6
 
    //z cuts for layers - the column is the seedindex
    std::array<std::array<double, N_SEED>, N_LAYER> zmatchcut_{
        {{{0.0, 0.7, 5.5, 15.0, 1.5, 2.0, 0.0, 1.5, 1.0, 8.0, 1.0, 1.5}},   //Layer 1
         {{0.0, 0.0, 3.5, 15.0, 1.25, 0.0, 0.0, 0.0, 0.0, 7.0, 0.0, 0.0}},  //Layer 2
         {{0.7, 0.0, 0.0, 9.0, 0.0, 0.0, 0.0, 0.0, 0.0, 5.0, 0.0, 0.0}},    //Layer 3
         {{3.0, 3.0, 0.0, 7.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}},    //Layer 4
         {{3.0, 3.0, 8.0, 0.0, 0.0, 0.0, 0.0, 0.0, 4.5, 0.0, 0.0, 0.0}},    //Layer 5
         {{4.0, 0.0, 9.5, 0.0, 0.0, 0.0, 0.0, 0.0, 4.5, 0.0, 0.0, 0.0}}}};  //Layer 6
 
    //rphi cuts for PS modules in disks - the column is the seedindex
    std::array<std::array<double, N_SEED>, N_DISK> rphicutPS_{
        {{{0.2, 0.2, 0.0, 0.0, 0.0, 0.1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}},     //disk 1
         {{0.2, 0.2, 0.0, 0.0, 0.0, 0.1, 0.1, 0.1, 0.0, 0.0, 0.15, 0.0}},    //disk 2
         {{0.25, 0.2, 0.0, 0.0, 0.15, 0.0, 0.2, 0.15, 0.0, 0.0, 0.0, 0.2}},  //disk 3
         {{0.5, 0.2, 0.0, 0.0, 0.2, 0.0, 0.3, 0.5, 0.0, 0.0, 0.0, 0.0}},     //disk 4
         {{0.0, 0.0, 0.0, 0.0, 0.25, 0.1, 0.5, 0.0, 0.0, 0.0, 0.0, 0.0}}}};  //disk 5
 
    //r cuts for PS modules in disks - the column is the seedindex
    std::array<std::array<double, N_SEED>, N_DISK> rcutPS_{
        {{{0.5, 0.5, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}},    //disk 1
         {{0.5, 0.5, 0.0, 0.0, 0.0, 0.5, 0.5, 0.5, 0.0, 0.0, 0.5, 0.0}},    //disk 2
         {{0.5, 0.5, 0.0, 0.0, 0.5, 0.0, 0.6, 0.8, 0.0, 0.0, 0.0, 0.4}},    //disk 3
         {{0.5, 0.5, 0.0, 0.0, 0.8, 0.0, 1.0, 1.0, 0.0, 0.0, 0.0, 0.0}},    //disk 4
         {{0.0, 0.0, 0.0, 0.0, 1.0, 0.5, 2.0, 0.0, 0.0, 0.0, 0.0, 0.0}}}};  //disk 5
 
    //rphi cuts for 2S modules in disks = the column is the seedindex
    std::array<std::array<double, N_SEED>, N_DISK> rphicut2S_{
        {{{0.5, 0.5, 0.8, 0.0, 0.0, 0.0, 0.0, 0.0, 0.2, 0.0, 0.0, 0.0}},    //disk 1
         {{0.5, 0.5, 0.8, 0.0, 0.0, 0.0, 0.5, 0.15, 0.3, 0.0, 0.68, 0.0}},  //disk 2
         {{0.5, 0.5, 0.0, 0.0, 0.15, 0.0, 0.2, 0.25, 0.0, 0.0, 0.8, 0.1}},  //disk 3
         {{0.5, 0.5, 0.0, 0.0, 0.2, 0.0, 0.25, 0.5, 0.0, 0.0, 0.6, 0.4}},   //disk 4
         {{0.0, 0.0, 0.0, 0.0, 0.4, 0.2, 0.4, 0.0, 0.0, 0.0, 0.0, 0.8}}}};  //disk 5
 
    //r cuts for 2S modules in disks -the column is the seedindex
    std::array<std::array<double, N_SEED>, N_DISK> rcut2S_{
        {{{3.8, 3.8, 3.8, 0.0, 0.0, 0.0, 0.0, 0.0, 3.0, 0.0, 0.0, 0.0}},    //disk 1
         {{3.8, 3.8, 3.8, 0.0, 0.0, 0.0, 3.8, 3.4, 3.0, 0.0, 3.0, 0.0}},    //disk 2
         {{3.6, 3.8, 0.0, 0.0, 3.6, 0.0, 3.6, 3.8, 0.0, 0.0, 3.8, 3.0}},    //disk 3
         {{3.6, 3.8, 0.0, 0.0, 3.6, 0.0, 3.5, 3.8, 0.0, 0.0, 3.0, 3.0}},    //disk 4
         {{0.0, 0.0, 0.0, 0.0, 3.6, 3.4, 3.7, 0.0, 0.0, 0.0, 0.0, 3.0}}}};  //disk 5
 
    // Offset to the maximum number of steps in each processing step:
    // Set to 0 (default) means standard trunction
    // Set to large value, e.g. 10000, to disable truncation
    unsigned int maxstepoffset_{0};
 
    //Default number of processing steps for one event
    std::unordered_map<std::string, unsigned int> maxstep_{{"Link", 108},
                                                           {"MC", 107},
                                                           {"ME", 101},
                                                           {"MP", 108},
                                                           {"PR", 107},
                                                           {"TC", 107},
                                                           {"TE", 101},
                                                           {"TP", 108},
                                                           {"TRE", 108},
                                                           {"VMR", 101}};
 
    // If set to true this will generate debub printout in text files
    std::unordered_map<std::string, bool> writeMonitorData_{{"IL", false},
                                                            {"TE", false},
                                                            {"CT", false},
                                                            {"HitPattern", false},
                                                            {"ChiSq", false},
                                                            {"Seeds", false},
                                                            {"FT", false},
                                                            {"Residuals", false},
                                                            {"MC", false},
                                                            {"MP", false},
                                                            {"ME", false},
                                                            {"AP", false},
                                                            {"VMP", false},
                                                            {"NMatches", false},
                                                            {"TrackProjOcc", false},
                                                            {"TC", false},
                                                            {"Pars", false},
                                                            {"TPars", false},
                                                            {"TPD", false},
                                                            {"TrackletPars", false},
                                                            {"TED", false},
                                                            {"TP", false},
                                                            {"TRE", false},
                                                            {"VMR", false},
                                                            {"StubsLayer", false},
                                                            {"StubsLayerSector", false},
                                                            {"HitEff", false},
                                                            {"MatchEff", false},
                                                            {"Cabling", false},
                                                            {"IFit", false},
                                                            {"AS", false}};
 
    std::array<double, N_DSS_MOD> rDSSinner_mod_{{68.9391, 78.7750, 85.4550, 96.3150, 102.3160}};
    std::array<double, N_DSS_MOD> rDSSouter_mod_{{66.4903, 76.7750, 84.4562, 94.9920, 102.3160}};
 
    //we want the center of the two strip positions in a module, not just the center of a module
    double halfstrip_{2.5};
 
    // various printouts for debugging and warnings
    bool printDebugKF_{false};   // if true print lots of debugging statements related to the KF fit
    bool debugTracklet_{false};  //Print detailed debug information about tracklet tracking
    bool writetrace_{false};     //Print out details about parsing configuration files
 
    bool warnNoMem_{false};  //If true will print out warnings about missing projection memories
    bool warnNoDer_{false};  //If true will print out warnings about missing track fit derivatives
 
    //--- These used to create files needed by HLS code.
    bool writeMem_{false};    //If true will print out content of memories (between algo steps) to files
    bool writeTable_{false};  //If true will print out content of LUTs to files
    std::string memPath_{"../data/MemPrints/"};  //path for writing memories
    std::string tablePath_{"../data/LUTs/"};     //path for writing LUTs
 
    // Write various lookup tables and autogenerated code (from iMath)
    bool writeVerilog_{false};      //Write out auto-generated Verilog mudules used by TCs
    bool writeHLS_{false};          //Write out auto-generated HLS mudules used by TCs
    bool writeInvTable_{false};     //Write out tables of drinv and invt in tracklet calculator for Verilog module
    bool writeHLSInvTable_{false};  //Write out tables of drinv and invt in tracklet calculator for HLS module
 
    unsigned int writememsect_{3};  //writemem only for this sector (note that the files will have _4 extension)
 
    bool enableTripletTables_{false};  //Enable the application of the TED and
                                       //TRE tables; when this flag is false,
                                       //the tables will not be read from disk
    bool writeTripletTables_{false};   //Train and write the TED and TRE tables. N.B.: the tables
                                       //cannot be applied while they are being trained, i.e.,
                                       //this flag effectively turns off the cuts in
                                       //TrackletEngineDisplaced and TripletEngine
 
    bool writeoutReal_{false};
 
    //set to true/false to turn on/off histogram booking internal to the tracking (class "HistBase/HistImp", does nothing in central CMSSW)
    bool bookHistos_{false};
 
    // pt constants
    double ptcut_{1.91};  //Minimum pt cut
 
    // Parameters for bit sizes
    int alphashift_{12};
    int nbitsalpha_{4};      //bits used to store alpha
    int alphaBitsTable_{2};  //For number of bits in track derivative table
    int nrinvBitsTable_{3};  //number of bits for tabulating rinv dependence
 
    unsigned int MEBinsBits_{3};
    unsigned int MEBinsDisks_{8};  //on each side
    unsigned int maxStubsPerBin_{16};
 
    // Options for chisq fit
    bool exactderivatives_{false};
    bool exactderivativesforfloating_{true};  //only for the floating point
    bool useapprox_{true};          //use approximate postion based on integer representation for floating point
    bool usephicritapprox_{false};  //use floating point approximate version of phicrit cut if true
 
    // Duplicate Removal
    // "merge" (hybrid dup removal)
    // "ichi" (pairwise, keep track with best ichisq), "nstub" (pairwise, keep track with more stubs)
    // "grid" (TMTT-like removal), "" (no removal)
    unsigned int minIndStubs_{3};  // not used with merge removal
 
#ifdef USEHYBRID
    std::string removalType_{"merge"};
    // "CompareBest" (recommended) Compares only the best stub in each track for each region (best = smallest phi residual)
    // and will merge the two tracks if stubs are shared in three or more regions
    // "CompareAll" Compares all stubs in a region, looking for matches, and will merge the two tracks if stubs are shared in three or more regions
    std::string mergeComparison_{"CompareBest"};
    bool doKF_{true};
#endif
 
#ifndef USEHYBRID
    bool doKF_{false};
    std::string removalType_{"ichi"};
    std::string mergeComparison_{""};
#endif
 
    // When false, match calculator does not save multiple matches, even when doKF=true.
    // This is a temporary fix for compatibilty with HLS. We will need to implement multiple match
    // printing in emulator eventually, possibly after CMSSW-integration inspired rewrites
    // Use false when generating HLS files, use true when doing full hybrid tracking
    bool doMultipleMatches_{true};
 
    // if true, run a dummy fit, producing TTracks directly from output of tracklet pattern reco stage
    bool fakefit_{false};
 
    unsigned int nHelixPar_{4};  // 4 or 5 param helix fit
    bool extended_{false};       // turn on displaced tracking
    bool combined_{false};       // use combined TP (TE+TC) and MP (PR+ME+MC) configuration
 
    std::string skimfile_{""};  //if not empty events will be written out in ascii format to this file
 
    double bfield_{3.8112};  //B-field in T
    double c_{0.299792458};  //speed of light m/ns
 
    unsigned int nStrips_PS_{960};
    unsigned int nStrips_2S_{1016};
 
    double stripPitch_PS_{0.01};
    double stripPitch_2S_{0.009};
 
    double stripLength_PS_{0.1467};
    double stripLength_2S_{5.0250};
  };
 
  constexpr unsigned int N_TILTED_RINGS = 12;  // # of tilted rings per half-layer in TBPS layers
  constexpr std::array<unsigned int, N_PSLAYER> N_MOD_PLANK = {{7, 11, 15}};  // # of modules/plank in TBPS
 
  constexpr unsigned int N_TRKLSEED = 7;  // # of tracklet seeds
  constexpr unsigned int N_PROJ = 4;      // # of projections (beyond stubs from tracklet seed)
 
  // chi2 fitting
  constexpr unsigned int N_FITPARAM = 4;  // # of fit parameters for chi2 fit
  constexpr unsigned int N_FITSTUB = 6;   // max # of number of stubs used
 
  constexpr unsigned int N_TRACKDER_PTBIN = 4;
  constexpr unsigned int N_TRACKDER_INDEX = 1000;
 
}  // namespace trklet
 
#endif