L1MuGMTLFCOUDeltaEtaLUT Class Reference

#include <L1MuGMTLFCOUDeltaEtaLUT.h>

Inheritance diagram for L1MuGMTLFCOUDeltaEtaLUT:

List of all members.

Public Types
enum	{ DTCSC, CSCDT, CSCbRPC, DTfRPC }
Public Member Functions
	L1MuGMTLFCOUDeltaEtaLUT ()
	constuctor using function-lookup
virtual unsigned	LookupFunctionPacked (int idx, unsigned address) const
	access to lookup function with packed input and output
unsigned	SpecificLookup (int idx, unsigned eta1, unsigned eta2) const
	specific lookup function for entire output field
unsigned	SpecificLookup_delta_eta (int idx, unsigned eta1, unsigned eta2) const
	specific lookup function for delta_eta
virtual	~L1MuGMTLFCOUDeltaEtaLUT ()
	destructor
Private Member Functions
void	InitParameters ()
	Initialize scales, configuration parameters, alignment constants, ...
unsigned	TheLookupFunction (int idx, unsigned eta1, unsigned eta2) const
	The lookup function - here the functionality of the LUT is implemented.

---

Detailed Description

LFCOUDeltaEta look-up table

this class was automatically generated by L1MuGMTLUT::MakeSubClass()

Definition at line 42 of file L1MuGMTLFCOUDeltaEtaLUT.h.

---

Member Enumeration Documentation

anonymous enum

Enumerator:

DTCSC
CSCDT
CSCbRPC
DTfRPC

Definition at line 45 of file L1MuGMTLFCOUDeltaEtaLUT.h.

{DTCSC, CSCDT, CSCbRPC, DTfRPC};

---

Constructor & Destructor Documentation

L1MuGMTLFCOUDeltaEtaLUT::L1MuGMTLFCOUDeltaEtaLUT

(

)

[inline]

constuctor using function-lookup

Definition at line 48 of file L1MuGMTLFCOUDeltaEtaLUT.h.

References InitParameters().

                            : L1MuGMTLUT("LFCOUDeltaEta", 
                                       "DTCSC CSCDT CSCbRPC DTfRPC",
                                       "eta1(4) eta2(4)",
                                       "delta_eta(4)", 8, true) {
    InitParameters();
  } ;

virtual L1MuGMTLFCOUDeltaEtaLUT::~L1MuGMTLFCOUDeltaEtaLUT

(

)

[inline, virtual]

destructor

Definition at line 56 of file L1MuGMTLFCOUDeltaEtaLUT.h.

{};

---

Member Function Documentation

void L1MuGMTLFCOUDeltaEtaLUT::InitParameters

(

)

[private]

Initialize scales, configuration parameters, alignment constants, ...

Definition at line 39 of file L1MuGMTLFCOUDeltaEtaLUT.cc.

Referenced by L1MuGMTLFCOUDeltaEtaLUT().

                                             {
}

virtual unsigned L1MuGMTLFCOUDeltaEtaLUT::LookupFunctionPacked	(	int	idx,
		unsigned	address
	)		const [inline, virtual]

access to lookup function with packed input and output

Reimplemented from L1MuGMTLUT.

Definition at line 78 of file L1MuGMTLFCOUDeltaEtaLUT.h.

References L1MuGMTLUT::m_Inputs, TheLookupFunction(), and L1MuGMTLUT::u2vec().

                                                                          {
    std::vector<unsigned> addr = u2vec(address, m_Inputs);
    return TheLookupFunction(idx ,addr[0] ,addr[1]);

  };

unsigned L1MuGMTLFCOUDeltaEtaLUT::SpecificLookup	(	int	idx,
		unsigned	eta1,
		unsigned	eta2
	)		const [inline]

specific lookup function for entire output field

Definition at line 67 of file L1MuGMTLFCOUDeltaEtaLUT.h.

References L1MuGMTLUT::LookupPacked().

                                                                        {
    std::vector<unsigned> addr(2);
    addr[0] = eta1;
    addr[1] = eta2;
    return LookupPacked(idx, addr);
  };

unsigned L1MuGMTLFCOUDeltaEtaLUT::SpecificLookup_delta_eta	(	int	idx,
		unsigned	eta1,
		unsigned	eta2
	)		const [inline]

specific lookup function for delta_eta

Definition at line 59 of file L1MuGMTLFCOUDeltaEtaLUT.h.

References L1MuGMTLUT::Lookup().

Referenced by L1MuGMTMatcher::lookup_mq().

                                                                                  {
    std::vector<unsigned> addr(2);
    addr[0] = eta1;
    addr[1] = eta2;
    return Lookup(idx, addr) [0];
  };

unsigned L1MuGMTLFCOUDeltaEtaLUT::TheLookupFunction	(	int	idx,
		unsigned	eta1,
		unsigned	eta2
	)		const [private]

The lookup function - here the functionality of the LUT is implemented.

Definition at line 54 of file L1MuGMTLFCOUDeltaEtaLUT.cc.

References kinem::delta_eta(), L1MuScale::getCenter(), L1MuGMTScales::getDeltaEtaScale(), L1MuGMTConfig::getGMTScales(), L1MuGMTScales::getOvlEtaScale(), L1MuScale::getPacked(), L1MuScale::getScaleMax(), timeUnitHelper::pack(), and L1MuSignedPacking< Bits >::packedFromIdx().

Referenced by LookupFunctionPacked().

                                                                                                {
  // idx is DTCSC, CSCDT, bRPCCSC, fRPCDT
  // INPUTS:  eta1(4) eta2(4)
  // OUTPUTS: delta_eta(4) 

  const L1MuGMTScales* theGMTScales = L1MuGMTConfig::getGMTScales();

  // check out of range in inputs
  L1MuSignedPacking<4> pack;
  unsigned delta_eta_OOR = pack.packedFromIdx (-8);

  if (eta1==7 || eta2 ==7) return delta_eta_OOR;

  int type1=0, type2=0;
  switch (idx) {
    case 0: type1 = 0; type2 = 2; break; // DT, CSC
    case 1: type1 = 2; type2 = 0; break; // CSC, DT
    case 2: type1 = 1; type2 = 2; break; // bRPC, CSC
    case 3: type1 = 3; type2 = 0; break; // fRPC, DT
  }

  float etaValue1 = theGMTScales->getOvlEtaScale(type1)->getCenter(eta1);
  float etaValue2 = theGMTScales->getOvlEtaScale(type2)->getCenter(eta2); 

  float delta_eta = etaValue1 - etaValue2;

  unsigned delta_eta_4bit = 0;

  // check out of range
  if (delta_eta < theGMTScales->getDeltaEtaScale(idx+2)->getScaleMin() ||
      delta_eta > theGMTScales->getDeltaEtaScale(idx+2)->getScaleMax()) {
    delta_eta_4bit = delta_eta_OOR;
  }
  else {
    delta_eta_4bit = theGMTScales->getDeltaEtaScale(idx+2)->getPacked( delta_eta );
  }
    
  return delta_eta_4bit;
}