l1tmetemu Namespace Reference

Classes
struct	EtMiss

Typedefs
typedef ap_ufixed< kAtanLUTSize, kAtanLUTMagSize, AP_RND_CONV, AP_SAT >	atan_lut_fixed_t
typedef ap_ufixed< kCosLUTSize, kCosLUTMagSize, AP_RND_CONV, AP_SAT >	cos_lut_fixed_t
typedef ap_fixed< kMETSize+kEtExtra, kMETMagSize+kEtExtra, AP_RND_CONV, AP_SAT >	Et_t
typedef ap_int< TTTrack_TrackWord::TrackBitWidths::kPhiSize+kGlobalPhiExtra >	global_phi_t
typedef ap_fixed< kMETPhiSize+kEtExtra, 4, AP_RND_CONV, AP_SAT >	metphi_fixed_t
typedef ap_ufixed< kMETSize, kMETMagSize, AP_RND_CONV, AP_SAT >	METWord_t
typedef ap_int< kMETPhiSize >	METWordphi_t
typedef ap_ufixed< kMETPhiSize+kEtExtra+7, kMETPhiSize - 2, AP_RND_CONV, AP_SAT >	pi_bins_fixed_t

Functions
std::vector< cos_lut_fixed_t >	generateCosLUT ()
std::vector< global_phi_t >	generatePhiSliceLUT (unsigned int N)
global_phi_t	localToGlobalPhi (TTTrack_TrackWord::phi_t local_phi, global_phi_t sector_shift)
template<typename T >
void	printLUT (std::vector< T > lut, std::string module="", std::string name="")

Variables
const unsigned int	kAtanLUTMagSize {2}
const unsigned int	kAtanLUTSize {64}
const double	kBinsInPi = 1.0 / kStepMETwordPhi
const unsigned int	kCosLUTBins {(1 << kCosLUTTableSize) + 1}
const unsigned int	kCosLUTMagSize {1}
const unsigned int	kCosLUTShift {TTTrack_TrackWord::TrackBitWidths::kPhiSize - kCosLUTTableSize}
const unsigned int	kCosLUTSize {10}
const unsigned int	kCosLUTTableSize {10}
const unsigned int	kEtExtra {4}
const unsigned int	kGlobalPhiExtra {4}
const unsigned int	kInternalPtWidth {14}
const double	kMaxCosLUTPhi {M_PI / 2}
const double	kMaxMET = 1 << kMETMagSize
const double	kMaxMETPhi {2 * M_PI}
const unsigned int	kMETMagSize {11}
const unsigned int	kMETPhiSize {13}
const unsigned int	kMETSize {16}
const unsigned int	kNQuadrants {4}
const unsigned int	kNSector {9}
const unsigned int	kPtMagSize {9}
const double	kStepMETwordEt = kMaxMET / (1 << kMETSize)
const double	kStepMETwordPhi = kMaxMETPhi / (1 << kMETPhiSize)

Typedef Documentation

atan_lut_fixed_t

typedef ap_ufixed<kAtanLUTSize, kAtanLUTMagSize, AP_RND_CONV, AP_SAT> l1tmetemu::atan_lut_fixed_t

Definition at line 41 of file L1TkEtMissEmuAlgo.h.

cos_lut_fixed_t

typedef ap_ufixed<kCosLUTSize, kCosLUTMagSize, AP_RND_CONV, AP_SAT> l1tmetemu::cos_lut_fixed_t

Definition at line 40 of file L1TkEtMissEmuAlgo.h.

Et_t

typedef ap_fixed<kMETSize + kEtExtra, kMETMagSize + kEtExtra, AP_RND_CONV, AP_SAT> l1tmetemu::Et_t

Definition at line 42 of file L1TkEtMissEmuAlgo.h.

global_phi_t

typedef ap_int<TTTrack_TrackWord::TrackBitWidths::kPhiSize + kGlobalPhiExtra> l1tmetemu::global_phi_t

Definition at line 39 of file L1TkEtMissEmuAlgo.h.

metphi_fixed_t

typedef ap_fixed<kMETPhiSize + kEtExtra, 4, AP_RND_CONV, AP_SAT> l1tmetemu::metphi_fixed_t

Definition at line 43 of file L1TkEtMissEmuAlgo.h.

METWord_t

typedef ap_ufixed<kMETSize, kMETMagSize, AP_RND_CONV, AP_SAT> l1tmetemu::METWord_t

Definition at line 37 of file L1TkEtMissEmuAlgo.h.

METWordphi_t

typedef ap_int<kMETPhiSize> l1tmetemu::METWordphi_t

Definition at line 38 of file L1TkEtMissEmuAlgo.h.

pi_bins_fixed_t

typedef ap_ufixed<kMETPhiSize + kEtExtra + 7, kMETPhiSize - 2, AP_RND_CONV, AP_SAT> l1tmetemu::pi_bins_fixed_t

Definition at line 44 of file L1TkEtMissEmuAlgo.h.

Function Documentation

generateCosLUT()

std::vector< cos_lut_fixed_t > l1tmetemu::generateCosLUT

(

)

Definition at line 6 of file L1TkEtMissEmuAlgo.cc.

References funct::cos(), kCosLUTBins, kCosLUTShift, and TTTrack_TrackWord::stepPhi0.

Referenced by L1TrackerEtMissEmulatorProducer::L1TrackerEtMissEmulatorProducer().

                                              {  // Fill cosine LUT with integer values
    float phi = 0;
    std::vector<cos_lut_fixed_t> cosLUT;
    double stepPhi = TTTrack_TrackWord::stepPhi0 * (1 << l1tmetemu::kCosLUTShift);
    for (unsigned int LUT_idx = 0; LUT_idx < l1tmetemu::kCosLUTBins; LUT_idx++) {
      cosLUT.push_back((cos_lut_fixed_t)(cos(phi)));
      phi += stepPhi;
      //std::cout << LUT_idx << "," << (cos_lut_fixed_t)(cos(phi)) << std::endl;
    }
    return cosLUT;
  }

generatePhiSliceLUT()

std::vector< global_phi_t > l1tmetemu::generatePhiSliceLUT

(

unsigned int

N

)

Definition at line 40 of file L1TkEtMissEmuAlgo.cc.

References M_PI, N, submitPVResolutionJobs::q, and TTTrack_TrackWord::stepPhi0.

Referenced by L1TrackerEtMissEmulatorProducer::L1TrackerEtMissEmulatorProducer().

                                                              {
    float sliceCentre = 0.0;
    std::vector<global_phi_t> phiLUT;
    for (unsigned int q = 0; q <= N; q++) {
      phiLUT.push_back((global_phi_t)(sliceCentre / TTTrack_TrackWord::stepPhi0));
      sliceCentre += 2 * M_PI / N;
    }
    return phiLUT;
  }

localToGlobalPhi()

global_phi_t l1tmetemu::localToGlobalPhi	(	TTTrack_TrackWord::phi_t	local_phi,
		global_phi_t	sector_shift
	)

Definition at line 18 of file L1TkEtMissEmuAlgo.cc.

References M_PI, MonitorTrackSTAMuons_cfi::PhiMax, MonitorTrackSTAMuons_cfi::PhiMin, and TTTrack_TrackWord::stepPhi0.

Referenced by L1TrackerEtMissEmulatorProducer::produce().

                                                                                             {
    global_phi_t PhiMin = 0;
    global_phi_t PhiMax = 2 * M_PI / TTTrack_TrackWord::stepPhi0;

    // The initial word comes in as a uint; the correct bits, but not automatically using 2s compliment format.
    global_phi_t globalPhi = local_phi;

    // Once the word is in a larger, signed container, shift it down so that the negative numbers are automatically represented in 2s compliment.
    if (local_phi >= (1 << (TTTrack_TrackWord::TrackBitWidths::kPhiSize - 1)))
      globalPhi -= (1 << TTTrack_TrackWord::TrackBitWidths::kPhiSize);

    globalPhi += sector_shift;

    if (globalPhi < PhiMin) {
      globalPhi = globalPhi + PhiMax;
    } else if (globalPhi > PhiMax) {
      globalPhi = globalPhi - PhiMax;
    }

    return globalPhi;
  }

printLUT()

template<typename T >

void l1tmetemu::printLUT	(	std::vector< T >	lut,
		std::string	module = "",
		std::string	name = ""
	)

Definition at line 74 of file L1TkEtMissEmuAlgo.h.

References mps_fire::i, CrabHelper::log, and mergeVDriftHistosByStation::name.

Referenced by L1TMuonGlobalParamsViewer::analyze(), and L1TrackerEtMissEmulatorProducer::L1TrackerEtMissEmulatorProducer().

                                                                              {
    edm::LogVerbatim log(module);
    log << "The " << name << "[" << lut.size() << "] values are ... \n" << std::setprecision(30);
    for (unsigned int i = 0; i < lut.size(); i++) {
      log << "\t" << i << "\t" << lut[i] << "\n";
    }
  }

Variable Documentation

kAtanLUTMagSize

const unsigned int l1tmetemu::kAtanLUTMagSize {2}

Definition at line 35 of file L1TkEtMissEmuAlgo.h.

kAtanLUTSize

const unsigned int l1tmetemu::kAtanLUTSize {64}

Definition at line 34 of file L1TkEtMissEmuAlgo.h.

kBinsInPi

const double l1tmetemu::kBinsInPi = 1.0 / kStepMETwordPhi

Definition at line 52 of file L1TkEtMissEmuAlgo.h.

Referenced by Cordic::toPolar().

kCosLUTBins

const unsigned int l1tmetemu::kCosLUTBins {(1 << kCosLUTTableSize) + 1}

Definition at line 32 of file L1TkEtMissEmuAlgo.h.

Referenced by generateCosLUT().

kCosLUTMagSize

const unsigned int l1tmetemu::kCosLUTMagSize {1}

Definition at line 30 of file L1TkEtMissEmuAlgo.h.

kCosLUTShift

const unsigned int l1tmetemu::kCosLUTShift {TTTrack_TrackWord::TrackBitWidths::kPhiSize - kCosLUTTableSize}

Definition at line 33 of file L1TkEtMissEmuAlgo.h.

Referenced by generateCosLUT(), and L1TrackerEtMissEmulatorProducer::produce().

kCosLUTSize

const unsigned int l1tmetemu::kCosLUTSize {10}

Definition at line 29 of file L1TkEtMissEmuAlgo.h.

kCosLUTTableSize

const unsigned int l1tmetemu::kCosLUTTableSize {10}

Definition at line 31 of file L1TkEtMissEmuAlgo.h.

kEtExtra

const unsigned int l1tmetemu::kEtExtra {4}

Definition at line 27 of file L1TkEtMissEmuAlgo.h.

kGlobalPhiExtra

const unsigned int l1tmetemu::kGlobalPhiExtra {4}

Definition at line 28 of file L1TkEtMissEmuAlgo.h.

kInternalPtWidth

const unsigned int l1tmetemu::kInternalPtWidth {14}

Definition at line 22 of file L1TkEtMissEmuAlgo.h.

kMaxCosLUTPhi

const double l1tmetemu::kMaxCosLUTPhi {M_PI / 2}

Definition at line 56 of file L1TkEtMissEmuAlgo.h.

kMaxMET

const double l1tmetemu::kMaxMET = 1 << kMETMagSize

Definition at line 47 of file L1TkEtMissEmuAlgo.h.

kMaxMETPhi

const double l1tmetemu::kMaxMETPhi {2 * M_PI}

Definition at line 48 of file L1TkEtMissEmuAlgo.h.

kMETMagSize

const unsigned int l1tmetemu::kMETMagSize {11}

Definition at line 25 of file L1TkEtMissEmuAlgo.h.

kMETPhiSize

const unsigned int l1tmetemu::kMETPhiSize {13}

Definition at line 26 of file L1TkEtMissEmuAlgo.h.

Referenced by l1t::demo::codecs::decodeEtSums(), and l1t::demo::codecs::encodeEtSum().

kMETSize

const unsigned int l1tmetemu::kMETSize {16}

Definition at line 24 of file L1TkEtMissEmuAlgo.h.

Referenced by l1t::demo::codecs::decodeEtSums(), and l1t::demo::codecs::encodeEtSum().

kNQuadrants

const unsigned int l1tmetemu::kNQuadrants {4}

Definition at line 59 of file L1TkEtMissEmuAlgo.h.

Referenced by L1TrackerEtMissEmulatorProducer::L1TrackerEtMissEmulatorProducer().

kNSector

const unsigned int l1tmetemu::kNSector {9}

Definition at line 58 of file L1TkEtMissEmuAlgo.h.

Referenced by L1TrackerEtMissEmulatorProducer::L1TrackerEtMissEmulatorProducer(), and L1TrackerEtMissEmulatorProducer::produce().

kPtMagSize

const unsigned int l1tmetemu::kPtMagSize {9}

Definition at line 23 of file L1TkEtMissEmuAlgo.h.

Referenced by l1tVertexFinder::VertexFinder::fastHistoEmulation(), and L1TrackerEtMissEmulatorProducer::produce().

kStepMETwordEt

const double l1tmetemu::kStepMETwordEt = kMaxMET / (1 << kMETSize)

Definition at line 50 of file L1TkEtMissEmuAlgo.h.

Referenced by L1TrackerEtMissEmulatorProducer::produce().

kStepMETwordPhi

const double l1tmetemu::kStepMETwordPhi = kMaxMETPhi / (1 << kMETPhiSize)

Definition at line 51 of file L1TkEtMissEmuAlgo.h.

Referenced by Cordic::cordic_subfunc(), L1TrackerEtMissEmulatorProducer::produce(), and Cordic::toPolar().