L1MuDTEUX Class Reference

#include <L1MuDTEUX.h>

Classes
class	EUX_Comp
	helper class for finding the best and second best extrapolation More...

Public Member Functions
unsigned short int	address () const
	return extrapolation address (0-11) (address = 15 indicates negative ext. result) More...
int	id () const
	return Extrapolation identifier More...
	L1MuDTEUX (const L1MuDTSectorProcessor &sp, const L1MuDTSEU &seu, int id)
	constructor More...
void	load (const L1MuDTTrackSegPhi *start_ts, const L1MuDTTrackSegPhi *target_ts)
	load data into EUX More...
bool	operator== (const L1MuDTEUX &) const
	equal operator More...
unsigned int	quality () const
	return extrapolation quality More...
void	reset ()
	reset Extrapolator More...
bool	result () const
	return extrapolation result More...
void	run (const L1MuDTExtLut &extLUTs, const L1MuDTTFParameters &pars)
	run Extrapolator More...
std::pair< const L1MuDTTrackSegPhi *, const L1MuDTTrackSegPhi * >	ts () const
	return pointer to start and target track segment More...
	~L1MuDTEUX ()
	destructor More...

Private Member Functions
int	sec_mod (int) const
	output sector numbers in the range -6 to +5 More...

Private Attributes
unsigned short int	m_address
int	m_id
unsigned short int	m_quality
bool	m_result
const L1MuDTSEU &	m_seu
const L1MuDTSectorProcessor &	m_sp
const L1MuDTTrackSegPhi *	m_start
const L1MuDTTrackSegPhi *	m_target
unsigned short const	nbit_phi = 12
unsigned short const	nbit_phib = 10
int const	theExtFilter = 1

Detailed Description

Extrapolator:

The Extrapolator receives a start and a target track segment and performs the actual extrapolation

N. Neumeister CERN EP

Definition at line 48 of file L1MuDTEUX.h.

Constructor & Destructor Documentation

L1MuDTEUX()

L1MuDTEUX::L1MuDTEUX	(	const L1MuDTSectorProcessor &	sp,
		const L1MuDTSEU &	seu,
		int	id
	)

constructor

Definition at line 50 of file L1MuDTEUX.cc.

    : m_sp(sp),
      m_seu(seu),
      m_id(id),
      m_result(false),
      m_quality(0),
      m_address(15),
      m_start(nullptr),
      m_target(nullptr),
      theExtFilter(sp.tf().config()->getExtTSFilter()),
      nbit_phi(sp.tf().config()->getNbitsExtPhi()),
      nbit_phib(sp.tf().config()->getNbitsExtPhib()) {}

~L1MuDTEUX()

L1MuDTEUX::~L1MuDTEUX

(

)

destructor

Definition at line 67 of file L1MuDTEUX.cc.

{}

Member Function Documentation

address()

unsigned short int L1MuDTEUX::address ( ) const

inline

return extrapolation address (0-11) (address = 15 indicates negative ext. result)

Definition at line 99 of file L1MuDTEUX.h.

References m_address.

Referenced by operator==().

{ return m_address; }

id()

int L1MuDTEUX::id ( void  ) const

inline

return Extrapolation identifier

Definition at line 90 of file L1MuDTEUX.h.

References m_id.

Referenced by operator==().

{ return m_id; }

load()

void L1MuDTEUX::load	(	const L1MuDTTrackSegPhi *	start_ts,
		const L1MuDTTrackSegPhi *	target_ts
	)

load data into EUX

Definition at line 209 of file L1MuDTEUX.cc.

References EX21, EX34, L1MuDTSEU::ext(), m_seu, m_start, and m_target.

                                                                                          {
  m_start = start_ts;
  m_target = target_ts;

  // in case of EX34 and EX21 exchange start and target
  if ((m_seu.ext() == EX34) || (m_seu.ext() == EX21)) {
    m_start = target_ts;
    m_target = start_ts;
  }
}

operator==()

bool L1MuDTEUX::operator==

(

const L1MuDTEUX &

eux

)

const

equal operator

Definition at line 76 of file L1MuDTEUX.cc.

References address(), id(), m_address, m_id, m_quality, m_result, quality(), and result().

                                                     {
  if (m_id != eux.id())
    return false;
  if (m_result != eux.result())
    return false;
  if (m_quality != eux.quality())
    return false;
  if (m_address != eux.address())
    return false;
  return true;
}

quality()

unsigned int L1MuDTEUX::quality ( void  ) const

inline

return extrapolation quality

Definition at line 96 of file L1MuDTEUX.h.

References m_quality.

Referenced by operator==().

{ return m_quality; }

reset()

void L1MuDTEUX::reset

(

void

)

reset Extrapolator

Definition at line 224 of file L1MuDTEUX.cc.

References m_address, m_quality, m_result, m_start, and m_target.

                      {
  m_result = false;
  m_quality = 0;
  m_address = 15;

  m_start = nullptr;
  m_target = nullptr;
}

result()

bool L1MuDTEUX::result ( ) const

inline

return extrapolation result

Definition at line 93 of file L1MuDTEUX.h.

References m_result.

Referenced by operator==().

{ return m_result; }

run()

void L1MuDTEUX::run	(	const L1MuDTExtLut &	extLUTs,
		const L1MuDTTFParameters &	pars
	)

run Extrapolator

Definition at line 91 of file L1MuDTEUX.cc.

References funct::abs(), l1t::bitShift(), L1MuDTTrackFinder::config(), gather_cfg::cout, L1MuDTTFConfig::Debug(), change_name::diff, EX12, EX13, EX14, EX15, EX21, EX23, EX24, EX25, EX34, L1MuDTSEU::ext(), L1MuDTTFParameters::get_soc_openlut_extr(), L1MuDTTFParameters::get_soc_qcut_st1(), L1MuDTTFParameters::get_soc_qcut_st2(), L1MuDTTFParameters::get_soc_qcut_st4(), L1MuDTExtLut::getHigh(), L1MuDTExtLut::getLow(), L1MuDTTFConfig::getopenLUTs(), LaserClient_cfi::high, L1MuDTSectorProcessor::id(), LaserClient_cfi::low, m_address, m_id, m_quality, m_result, m_seu, m_sp, m_start, m_target, nbit_phi, nbit_phib, HLT_IsoTrack_cff::offset, L1MuDTTrackSegPhi::phi(), L1MuDTTrackSegPhi::phib(), L1MuDTTrackSegPhi::quality(), sec_mod(), L1MuDTSecProcId::sector(), L1MuDTTrackSegPhi::sector(), L1MuDTSectorProcessor::tf(), L1MuDTSecProcId::wheel(), and L1MuDTTrackSegPhi::wheel().

                                                                               {
  const bool debug4 = m_sp.tf().config()->Debug(4);
  if (debug4)
    cout << "Run EUX " << m_id << endl;
  if (debug4)
    cout << "start :  " << *m_start << endl;
  if (debug4)
    cout << "target : " << *m_target << endl;

  if (m_start == nullptr || m_target == nullptr) {
    if (debug4)
      cout << "Error: EUX has no data loaded" << endl;
    return;
  }

  // start sector
  int sector_st = m_start->sector();

  // target sector
  int sector_ta = m_target->sector();

  // get index of look-up table
  int lut_idx = m_seu.ext();
  if (abs(m_target->wheel()) == 3) {
    switch (m_seu.ext()) {
      case EX13: {
        lut_idx = EX15;
        break;
      }
      case EX23: {
        lut_idx = EX25;
        break;
      }
      default: {
        lut_idx = m_seu.ext();
        break;
      }
    }
  }

  if (m_sp.tf().config()->Debug(5))
    cout << "EUX : using look-up table : " << static_cast<Extrapolation>(lut_idx) << endl;

  // Extrapolation TS quality filter
  int qcut = 0;
  if (m_seu.ext() == EX12)
    qcut = pars.get_soc_qcut_st1(m_sp.id().wheel(), m_sp.id().sector());
  if (m_seu.ext() == EX13)
    qcut = pars.get_soc_qcut_st1(m_sp.id().wheel(), m_sp.id().sector());
  if (m_seu.ext() == EX14)
    qcut = pars.get_soc_qcut_st1(m_sp.id().wheel(), m_sp.id().sector());
  if (m_seu.ext() == EX21)
    qcut = pars.get_soc_qcut_st2(m_sp.id().wheel(), m_sp.id().sector());
  if (m_seu.ext() == EX23)
    qcut = pars.get_soc_qcut_st2(m_sp.id().wheel(), m_sp.id().sector());
  if (m_seu.ext() == EX24)
    qcut = pars.get_soc_qcut_st2(m_sp.id().wheel(), m_sp.id().sector());
  if (m_seu.ext() == EX34)
    qcut = pars.get_soc_qcut_st4(m_sp.id().wheel(), m_sp.id().sector());

  if (m_start->quality() < qcut)
    return;

  // calculate bit shift
  int sh_phi = 12 - nbit_phi;
  int sh_phib = 10 - nbit_phib;

  int phi_target = m_target->phi() >> sh_phi;
  int phi_start = m_start->phi() >> sh_phi;
  int phib_start = l1t::bitShift((m_start->phib() >> sh_phib), sh_phib);
  if (phib_start < 0)
    phib_start += (1 << sh_phib) - 1;

  // compute difference in phi
  int diff = phi_target - phi_start;

  // get low and high values from look-up table
  // and add offset (30 degrees ) for extrapolation to adjacent sector
  int offset = -2144 >> sh_phi;
  offset *= sec_mod(sector_ta - sector_st);
  int low = extLUTs.getLow(lut_idx, phib_start);
  int high = extLUTs.getHigh(lut_idx, phib_start);
  if (low < 0)
    low += (1 << sh_phi) - 1;
  if (high < 0)
    high += (1 << sh_phi) - 1;
  low = (low >> sh_phi) + offset;
  high = (high >> sh_phi) + offset;

  int phi_offset = phi_target - offset;
  if ((lut_idx == EX34) || (lut_idx == EX21))
    phi_offset = phi_start + offset;
  if (phi_offset >= (1 << (nbit_phi - 1)) - 1)
    return;
  if (phi_offset < -(1 << (nbit_phi - 1)) + 1)
    return;

  // is phi-difference within the extrapolation window?
  bool openlut = pars.get_soc_openlut_extr(m_sp.id().wheel(), m_sp.id().sector());
  if ((diff >= low && diff <= high) || m_sp.tf().config()->getopenLUTs() || openlut) {
    m_result = true;
    int qual_st = m_start->quality();
    int qual_ta = m_target->quality();
    if (m_seu.ext() == EX34 || m_seu.ext() == EX21) {
      m_quality = (qual_st == 7) ? 0 : qual_st + 1;
    } else {
      m_quality = (qual_ta == 7) ? 0 : qual_ta + 1;
    }
    m_address = m_id;
  }

  if (m_sp.tf().config()->Debug(5))
    cout << "diff : " << low << " " << diff << " " << high << " : " << m_result << " " << endl;
}

sec_mod()

int L1MuDTEUX::sec_mod ( int  sector ) const

private

output sector numbers in the range -6 to +5

Definition at line 244 of file L1MuDTEUX.cc.

References nano_mu_digi_cff::sector.

Referenced by run().

                                       {
  int new_sector = sector % 12;
  if (new_sector >= 6)
    new_sector = new_sector - 12;
  if (new_sector < -6)
    new_sector = new_sector + 12;

  return new_sector;
}

ts()

pair< const L1MuDTTrackSegPhi *, const L1MuDTTrackSegPhi * > L1MuDTEUX::ts

(

)

const

return pointer to start and target track segment

Definition at line 236 of file L1MuDTEUX.cc.

References m_start, and m_target.

                                                                             {
  return pair<const L1MuDTTrackSegPhi*, const L1MuDTTrackSegPhi*>(m_start, m_target);
}

Member Data Documentation

m_address

unsigned short int L1MuDTEUX::m_address

private

Definition at line 112 of file L1MuDTEUX.h.

Referenced by address(), operator==(), reset(), and run().

m_id

int L1MuDTEUX::m_id

private

Definition at line 108 of file L1MuDTEUX.h.

Referenced by id(), operator==(), and run().

m_quality

unsigned short int L1MuDTEUX::m_quality

private

Definition at line 111 of file L1MuDTEUX.h.

Referenced by operator==(), quality(), reset(), and run().

m_result

bool L1MuDTEUX::m_result

private

Definition at line 110 of file L1MuDTEUX.h.

Referenced by operator==(), reset(), result(), and run().

m_seu

const L1MuDTSEU& L1MuDTEUX::m_seu

private

Definition at line 107 of file L1MuDTEUX.h.

Referenced by load(), and run().

m_sp

const L1MuDTSectorProcessor& L1MuDTEUX::m_sp

private

Definition at line 106 of file L1MuDTEUX.h.

Referenced by run().

m_start

const L1MuDTTrackSegPhi* L1MuDTEUX::m_start

private

Definition at line 114 of file L1MuDTEUX.h.

Referenced by load(), reset(), run(), and ts().

m_target

const L1MuDTTrackSegPhi* L1MuDTEUX::m_target

private

Definition at line 115 of file L1MuDTEUX.h.

Referenced by load(), reset(), run(), and ts().

nbit_phi

unsigned short const L1MuDTEUX::nbit_phi = 12

private

Definition at line 118 of file L1MuDTEUX.h.

Referenced by run().

nbit_phib

unsigned short const L1MuDTEUX::nbit_phib = 10

private

Definition at line 119 of file L1MuDTEUX.h.

Referenced by run().

theExtFilter

int const L1MuDTEUX::theExtFilter = 1

private

Definition at line 117 of file L1MuDTEUX.h.