l1trackunpacker Namespace Reference

Typedefs
typedef ap_uint< TTTrack_TrackWord::TrackBitWidths::kD0Size >	d0_intern
typedef ap_fixed< TTTrack_TrackWord::TrackBitWidths::kTanlSize, ETA_INTPART_BITS, AP_TRN, AP_SAT >	glbeta_intern
typedef ap_int< TTTrack_TrackWord::TrackBitWidths::kPhiSize+kExtraGlobalPhiBit >	glbphi_intern
typedef ap_ufixed< TTTrack_TrackWord::TrackBitWidths::kRinvSize - 1, PT_INTPART_BITS, AP_TRN, AP_SAT >	pt_intern
typedef ap_int< TTTrack_TrackWord::TrackBitWidths::kZ0Size >	z0_intern

Functions
const double	BitToDouble (unsigned int bits, unsigned int maxBits, double step)
const unsigned int	DoubleToBit (double value, unsigned int maxBits, double step)

Variables
const unsigned int	ETA_INTPART_BITS {3}
const unsigned int	kExtraGlobalPhiBit {4}
const unsigned int	PT_INTPART_BITS {9}

Typedef Documentation

d0_intern

typedef ap_uint<TTTrack_TrackWord::TrackBitWidths::kD0Size> l1trackunpacker::d0_intern

Definition at line 23 of file L1TrackUnpacker.h.

glbeta_intern

typedef ap_fixed<TTTrack_TrackWord::TrackBitWidths::kTanlSize, ETA_INTPART_BITS, AP_TRN, AP_SAT> l1trackunpacker::glbeta_intern

Definition at line 20 of file L1TrackUnpacker.h.

glbphi_intern

typedef ap_int<TTTrack_TrackWord::TrackBitWidths::kPhiSize + kExtraGlobalPhiBit> l1trackunpacker::glbphi_intern

Definition at line 21 of file L1TrackUnpacker.h.

pt_intern

typedef ap_ufixed<TTTrack_TrackWord::TrackBitWidths::kRinvSize - 1, PT_INTPART_BITS, AP_TRN, AP_SAT> l1trackunpacker::pt_intern

Definition at line 19 of file L1TrackUnpacker.h.

z0_intern

typedef ap_int<TTTrack_TrackWord::TrackBitWidths::kZ0Size> l1trackunpacker::z0_intern

Definition at line 22 of file L1TrackUnpacker.h.

Function Documentation

BitToDouble()

const double l1trackunpacker::BitToDouble ( unsigned int  bits, unsigned int  maxBits, double  step  )

inline

Definition at line 34 of file L1TrackUnpacker.h.

References ALPAKA_ACCELERATOR_NAMESPACE::pixelClustering::pixelStatus::bits.

                                                                                        {
    int isign = 1;
    unsigned int digitized_maximum = (1 << maxBits) - 1;
    if (bits & (1 << (maxBits - 1))) {  // check the sign
      isign = -1;
      bits = (1 << (maxBits + 1)) - bits;
    }
    return (double(bits & digitized_maximum) + 0.5) * step * isign;
  }

DoubleToBit()

const unsigned int l1trackunpacker::DoubleToBit ( double  value, unsigned int  maxBits, double  step  )

inline

Definition at line 25 of file L1TrackUnpacker.h.

References funct::abs().

                                                                                         {
    unsigned int digitized_value = std::floor(std::abs(value) / step);
    unsigned int digitized_maximum = (1 << (maxBits - 1)) - 1;  // The remove 1 bit from nBits to account for the sign
    if (digitized_value > digitized_maximum)
      digitized_value = digitized_maximum;
    if (value < 0)
      digitized_value = (1 << maxBits) - digitized_value;  // two's complement encoding
    return digitized_value;
  }

Variable Documentation

ETA_INTPART_BITS

const unsigned int l1trackunpacker::ETA_INTPART_BITS {3}

Definition at line 16 of file L1TrackUnpacker.h.

kExtraGlobalPhiBit

const unsigned int l1trackunpacker::kExtraGlobalPhiBit {4}

Definition at line 17 of file L1TrackUnpacker.h.

PT_INTPART_BITS

const unsigned int l1trackunpacker::PT_INTPART_BITS {9}

Definition at line 15 of file L1TrackUnpacker.h.