/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/FastSimDataFormats/L1GlobalMuonTrigger/src/SimpleL1MuGMTCand.cc

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// This class header:
#include "FastSimDataFormats/L1GlobalMuonTrigger/interface/SimpleL1MuGMTCand.h"

// Fast Simulation headers
#include "SimDataFormats/Track/interface/SimTrack.h"

// The muon scales

//CMSSW headers 

// STL headers 
#include <iomanip>


SimpleL1MuGMTCand::SimpleL1MuGMTCand() :
              m_name("FastL1MuCand"), m_empty(true), 
              m_phi(0), m_eta(31), m_pt(0), m_charge(0), m_quality(0),               
              m_rank(0), m_smearedPt(0) { }

SimpleL1MuGMTCand::SimpleL1MuGMTCand(const SimpleL1MuGMTCand& mu) :
              m_name(mu.m_name), m_empty(mu.m_empty),
              m_phi(mu.m_phi), m_eta(mu.m_eta), m_pt(mu.m_pt), 
              m_charge(mu.m_charge), m_quality(mu.m_quality),
              m_rank(mu.m_rank), m_smearedPt(mu.m_smearedPt) {
  setMomentum(mu.getMomentum());
  setQuality(m_quality & 7);
  setEtaPacked(m_eta & 63);
  setPhiPacked(m_phi & 255);
  setCharge(m_charge);
  setPtPacked(m_pt & 31);
}

SimpleL1MuGMTCand::SimpleL1MuGMTCand(const SimpleL1MuGMTCand* mu) :
               m_name(mu->m_name), m_empty(mu->m_empty),
               m_phi(mu->m_phi), m_eta(mu->m_eta), m_pt(mu->m_pt), 
               m_charge(mu->m_charge), m_quality(mu->m_quality),
               m_rank(mu->m_rank), m_smearedPt(mu->m_smearedPt) {
  setMomentum(mu->getMomentum());
  setQuality(m_quality & 7);
  setEtaPacked(m_eta & 63);
  setPhiPacked(m_phi & 255);
  setCharge(m_charge);
  setPtPacked(m_pt & 31);
}

SimpleL1MuGMTCand::SimpleL1MuGMTCand(const SimTrack* p) { 
  //  setMomentum(p->momentum());
  LorentzVector toBeRemoved(p->momentum().x(),p->momentum().y(),p->momentum().z(),p->momentum().t());
  setMomentum(toBeRemoved);
  m_name = "FastL1MuCand";
  m_empty = false;
  m_quality = 7;
  setQuality(m_quality);
  m_rank = 0;
  setEta(myMomentum.Eta());
  setPhi(myMomentum.Phi());
  setCharge(int(p->charge()));
  setPt(myMomentum.Pt());
  setBx(0);
  if ( fabs(myMomentum.eta()) > 1.04 ) 
    setFwdBit(1);
  else
    setFwdBit(0);
  setRPCBit(0);

}

SimpleL1MuGMTCand::SimpleL1MuGMTCand(const SimTrack* p,
                                     unsigned etaIndex, 
                                     unsigned phiIndex,
                                     unsigned pTIndex,
                                     float etaValue,
                                     float phiValue,
                                     float pTValue) { 
  //  setMomentum(p->momentum());
  LorentzVector toBeRemoved(p->momentum().x(),p->momentum().y(),p->momentum().z(),p->momentum().t());
  setMomentum(toBeRemoved);
  m_name = "FastL1MuCand";
  m_empty = false;
  m_quality = 7;
  setQuality(m_quality);
  m_rank = 0;
  m_phi=phiIndex;
  setPhiPacked(phiIndex);
  setPhiValue(phiValue);
  m_eta=etaIndex;
  setEtaPacked(etaIndex);
  setEtaValue(etaValue);
  setCharge(int(p->charge()));
  m_pt = pTIndex;
  setPtPacked(pTIndex);
  setPtValue(pTValue);
  m_smearedPt = myMomentum.Pt();
  setBx(0);
  if ( fabs(etaValue) > 1.04 ) 
    setFwdBit(1);
  else
    setFwdBit(0);
  setRPCBit(0);

}

SimpleL1MuGMTCand::~SimpleL1MuGMTCand() {

  reset();
  
}


//
void SimpleL1MuGMTCand::reset() {

  m_empty   = true;
  m_phi     = 0;
  m_eta     = 31;
  m_pt      = 0;
  m_charge  = 0;
  m_quality = 0;
  m_rank = 0;
  m_smearedPt = 0;

}


//
// set phi-value of muon candidate
//
void SimpleL1MuGMTCand::setPhi(float phi) {

  int index = 0;
  float mindiff = 1000.0;
  
  if (phi < 0.) {phi = 2* M_PI + phi; }
  for ( int i = 0; i < 144; i++ ) {
    float diff = fabs(SimpleL1MuGMTCand::phiScale[i]-phi); 
    if ( diff <= mindiff ) {
      mindiff = diff; 
      index = i;
    }
  }
  
  m_phi = index;
  setPhiPacked(m_phi & 255 );
  setPhiValue(phiScale[m_phi]);

}


//
// set eta-value of muon candidate
//
void SimpleL1MuGMTCand::setEta(float eta) {

  int index = 0;
  float mindiff = 1000.0;
  
  for ( int i = 0; i < 63; i++ ) {
    float diff = fabs(SimpleL1MuGMTCand::etaScale[i]-eta); 
    if ( diff <= mindiff ) {
      mindiff = diff; 
      index = i;
    }
  }
  
  m_eta = index;
  setEtaPacked(m_eta & 63 );
  setEtaValue(etaScale[m_eta]);

}


//
// set pt (value!!) of muon candidate
//
void SimpleL1MuGMTCand::setPt(float pt) {

  int index = 0;
  m_smearedPt = pt;
  
  float mindiff = 1000.0;
  
  for ( int i = 0; i < 32; i++ ) {
    float diff = fabs(SimpleL1MuGMTCand::ptScale[i]-pt); 
    if ( diff <= mindiff ) {
      mindiff = diff; 
      index = i;
    }
  }

  m_pt = index;
  setPtPacked(m_pt & 31 );
  setPtValue(ptScale[m_pt]);

}


//
// set charge and packed code of muon candidate
//
void SimpleL1MuGMTCand::setCharge(int charge) {

 m_charge = charge;
 setChargePacked(charge == 1 ? 0 : 1);

}
    


//
// set generator particle of muon candidate
//
/*
void SimpleL1MuGMTCand::setGenPart(const HepMC::GenParticle * rhp) {

   myGenParticle = rhp;
}
*/


//
// Assignment operator
//
SimpleL1MuGMTCand& SimpleL1MuGMTCand::operator=(const SimpleL1MuGMTCand& cand) {

  if ( this != &cand ) {
   
    m_empty     = cand.m_empty;     
    m_phi = cand.m_phi;
    m_eta = cand.m_eta;
    m_pt = cand.m_pt;
    m_charge = cand.m_charge;
    m_quality   = cand.m_quality;    
    m_rank      = cand.m_rank;
    m_smearedPt = cand.m_smearedPt;
   
  }
  return *this;

}


//
// Assignment operator for SimTrack's
//
SimpleL1MuGMTCand* SimpleL1MuGMTCand::operator=(const SimTrack* p) {

  m_empty = false;
  setEta(p->momentum().eta());
  setPhi(p->momentum().phi());
  setCharge(int(p->charge()));
  setPt(std::sqrt(p->momentum().perp2()));
  
  return this;
}

//
// Equal operator
//
bool SimpleL1MuGMTCand::operator==(const SimpleL1MuGMTCand& cand) const {

  if ( m_empty     != cand.m_empty )     return false;
  if ( m_phi       != cand.m_phi )       return false;
  if ( m_eta       != cand.m_eta )       return false;
  if ( m_pt        != cand.m_pt )        return false;
  if ( m_charge    != cand.m_charge )    return false;
  if ( m_quality   != cand.m_quality )   return false;
  if ( m_rank      != cand.m_rank )      return false;
  return true;

}


//
// Unequal operator
//
bool SimpleL1MuGMTCand::operator!=(const SimpleL1MuGMTCand& cand) const {

  if ( m_empty     != cand.m_empty )     return true;
  if ( m_phi       != cand.m_phi )       return true;
  if ( m_eta       != cand.m_eta )       return true;
  if ( m_pt        != cand.m_pt )        return true;
  if ( m_charge    != cand.m_charge )    return true;
  if ( m_quality   != cand.m_quality )   return true;
  if ( m_rank      != cand.m_rank )      return true;
  return false;

}


//
// print parameters of track candidate
//
void SimpleL1MuGMTCand::print() const {

  using namespace std;

  if ( !empty() ) {
    cout.setf(ios::showpoint);
    cout.setf(ios::right,ios::adjustfield);
    cout << setiosflags(ios::showpoint | ios::fixed)
         << "pt = "  << setw(5) << setprecision(1) << ptValue() << " GeV  "
         << "charge = " << setw(2) << charge() << " "
         << "eta = " << setw(5) << setprecision(2) << etaValue() << "  "
         << "phi = " << setw(5) << setprecision(3) << phiValue() << " rad  "
         << "rank = " << setw(6) << rank() << endl;
  }

}


//
// output stream operator for track candidate
//
std::ostream& operator<<(std::ostream& s, const SimpleL1MuGMTCand& id) {

  using namespace std;

  if ( !id.empty() ) {
    s << setiosflags(ios::showpoint | ios::fixed) 
      << "pt = "  << setw(5) << setprecision(1) << id.ptValue() << " GeV  "
      << "charge = " << setw(2) << id.charge() << " " 
      << "eta = " << setw(5) << setprecision(2) << id.etaValue() << "  " 
      << "phi = " << setw(5) << setprecision(3) << id.phiValue() << " rad  ";
      
  }
  return s;

}

//static


// pt scale in GeV
// low edges of pt bins
const float SimpleL1MuGMTCand::ptScale[32] = { 
            0.0,   0.0,   1.5,   2.0,   2.5,   3.0,   3.5,   4.0,
            4.5,   5.0,   6.0,   7.0,   8.0,  10.0,  12.0,  14.0,  
           16.0,  18.0,  20.0,  25.0,  30.0,  35.0,  40.0,  45.0, 
           50.0,  60.0,  70.0,  80.0,  90.0, 100.0, 120.0, 140.0 };

// eta scale           
const float SimpleL1MuGMTCand::etaScale[63] = {
           -2.40, -2.35, -2.30, -2.25, -2.20, -2.15, -2.10, -2.05,
           -2.00, -1.95, -1.90, -1.85, -1.80, -1.75, -1.70, -1.60,
           -1.50, -1.40, -1.30, -1.20, -1.10, -1.00, -0.90, -0.80, 
           -0.70, -0.60, -0.50, -0.40, -0.30, -0.20, -0.10,  0.00,
            0.10,  0.20,  0.30,  0.40,  0.50,  0.60,  0.70,  0.80, 
            0.90,  1.00,  1.10,  1.20,  1.30,  1.40,  1.50,  1.60,
            1.70,  1.75,  1.80,  1.85,  1.90,  1.95,  2.00,  2.05,
            2.10,  2.15,  2.20,  2.25,  2.30,  2.35,  2.40 };

// phi scale
const float SimpleL1MuGMTCand::phiScale[144] = {
  0.0000,   0.0436,   0.0873,   0.1309,   0.1745,   0.2182, 
  0.2618,   0.3054,   0.3491,   0.3927,   0.4363,   0.4800, 
  0.5236,   0.5672,   0.6109,   0.6545,   0.6981,   0.7418, 
  0.7854,   0.8290,   0.8727,   0.9163,   0.9599,   1.0036, 
  1.0472,   1.0908,   1.1345,   1.1781,   1.2217,   1.2654, 
  1.3090,   1.3526,   1.3963,   1.4399,   1.4835,   1.5272, 
  1.5708,   1.6144,   1.6581,   1.7017,   1.7453,   1.7890, 
  1.8326,   1.8762,   1.9199,   1.9635,   2.0071,   2.0508, 
  2.0944,   2.1380,   2.1817,   2.2253,   2.2689,   2.3126, 
  2.3562,   2.3998,   2.4435,   2.4871,   2.5307,   2.5744, 
  2.6180,   2.6616,   2.7053,   2.7489,   2.7925,   2.8362, 
  2.8798,   2.9234,   2.9671,   3.0107,   3.0543,   3.0980, 
  3.1416,   3.1852,   3.2289,   3.2725,   3.3161,   3.3598, 
  3.4034,   3.4470,   3.4907,   3.5343,   3.5779,   3.6216, 
  3.6652,   3.7088,   3.7525,   3.7961,   3.8397,   3.8834, 
  3.9270,   3.9706,   4.0143,   4.0579,   4.1015,   4.1452, 
  4.1888,   4.2324,   4.2761,   4.3197,   4.3633,   4.4070, 
  4.4506,   4.4942,   4.5379,   4.5815,   4.6251,   4.6688, 
  4.7124,   4.7560,   4.7997,   4.8433,   4.8869,   4.9306, 
  4.9742,   5.0178,   5.0615,   5.1051,   5.1487,   5.1924, 
  5.2360,   5.2796,   5.3233,   5.3669,   5.4105,   5.4542, 
  5.4978,   5.5414,   5.5851,   5.6287,   5.6723,   5.7160, 
  5.7596,   5.8032,   5.8469,   5.8905,   5.9341,   5.9778, 
  6.0214,   6.0650,   6.1087,   6.1523,   6.1959,   6.2396 };