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L1MuGMTLFPhiProLUT Class Reference

LFPhiPro look-up table. More...

#include <L1Trigger/GlobalMuonTrigger/src/L1MuGMTLFPhiProLUT.h>

Inheritance diagram for L1MuGMTLFPhiProLUT:

List of all members.

Public Types
enum	{ DT, BRPC, CSC, FRPC }
Public Member Functions
	L1MuGMTLFPhiProLUT ()
	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 eta, unsigned pt, unsigned charge) const
	specific lookup function for entire output field
unsigned	SpecificLookup_dphi (int idx, unsigned eta, unsigned pt, unsigned charge) const
	specific lookup function for dphi
virtual	~L1MuGMTLFPhiProLUT ()
	destructor
Private Member Functions
void	InitParameters ()
	Initialize scales, configuration parameters, alignment constants, ...
unsigned	TheLookupFunction (int idx, unsigned eta, unsigned pt, unsigned charge) const
	The lookup function - here the functionality of the LUT is implemented.

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Detailed Description

LFPhiPro look-up table.

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

Definition at line 42 of file L1MuGMTLFPhiProLUT.h.

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Member Enumeration Documentation

anonymous enum

Enumerator:

DT
BRPC
CSC
FRPC

Definition at line 45 of file L1MuGMTLFPhiProLUT.h.

{DT, BRPC, CSC, FRPC};

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Constructor & Destructor Documentation

L1MuGMTLFPhiProLUT::L1MuGMTLFPhiProLUT

(

)

[inline]

constuctor using function-lookup

Definition at line 48 of file L1MuGMTLFPhiProLUT.h.

References InitParameters().

                       : L1MuGMTLUT("LFPhiPro", 
                                       "DT BRPC CSC FRPC",
                                       "eta(4) pt(5) charge(1)",
                                       "dphi(9)", 10, false) {
    InitParameters();
  } ;

virtual L1MuGMTLFPhiProLUT::~L1MuGMTLFPhiProLUT

(

)

[inline, virtual]

destructor

Definition at line 56 of file L1MuGMTLFPhiProLUT.h.

{};

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Member Function Documentation

void L1MuGMTLFPhiProLUT::InitParameters

(

)

[private]

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

Definition at line 42 of file L1MuGMTLFPhiProLUT.cc.

Referenced by L1MuGMTLFPhiProLUT().

                                        {
}

virtual unsigned L1MuGMTLFPhiProLUT::LookupFunctionPacked	(	int	idx,
		unsigned	address
	)			const [inline, virtual]

access to lookup function with packed input and output

Reimplemented from L1MuGMTLUT.

Definition at line 80 of file L1MuGMTLFPhiProLUT.h.

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

                                                                          {
    std::vector<unsigned> addr = u2vec(address, m_Inputs);
    return TheLookupFunction(idx ,addr[0] ,addr[1] ,addr[2]);

  };

unsigned L1MuGMTLFPhiProLUT::SpecificLookup	(	int	idx,
		unsigned	eta,
		unsigned	pt,
		unsigned	charge
	)			const [inline]

specific lookup function for entire output field

Definition at line 68 of file L1MuGMTLFPhiProLUT.h.

References addr, and L1MuGMTLUT::LookupPacked().

                                                                                      {
    std::vector<unsigned> addr(3);
    addr[0] = eta;
    addr[1] = pt;
    addr[2] = charge;
    return LookupPacked(idx, addr);
  };

unsigned L1MuGMTLFPhiProLUT::SpecificLookup_dphi	(	int	idx,
		unsigned	eta,
		unsigned	pt,
		unsigned	charge
	)			const [inline]

specific lookup function for dphi

Definition at line 59 of file L1MuGMTLFPhiProLUT.h.

References addr, and L1MuGMTLUT::Lookup().

Referenced by L1MuGMTMerger::projectedPhi().

                                                                                           {
    std::vector<unsigned> addr(3);
    addr[0] = eta;
    addr[1] = pt;
    addr[2] = charge;
    return Lookup(idx, addr) [0];
  };

unsigned L1MuGMTLFPhiProLUT::TheLookupFunction	(	int	idx,
		unsigned	eta,
		unsigned	pt,
		unsigned	charge
	)			const [private]

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

Definition at line 59 of file L1MuGMTLFPhiProLUT.cc.

References L1MuGMTPhiLUT::dphi(), L1MuScale::getLowEdge(), L1MuGMTConfig::getPropagatePhi(), L1MuTriggerPtScale::getPtScale(), L1MuGMTConfig::getTriggerPtScale(), int, and L1MuSignedPacking< Bits >::packedFromIdx().

Referenced by LookupFunctionPacked().

                                                                                                         {
  // idx is DT, BRPC, CSC, FRPC
  // INPUTS:  eta(4) pt(5) charge(1)
  // OUTPUTS: dphi(9) 

//  const L1MuTriggerScales* theTriggerScales = L1MuGMTConfig::getTriggerScales();
  const L1MuTriggerPtScale* theTriggerPtScale = L1MuGMTConfig::getTriggerPtScale();

  //  static bool doProjection = SimpleConfigurable<bool> (false, "L1GlobalMuonTrigger:PropagatePhi" );
  static bool doProjection = L1MuGMTConfig::getPropagatePhi();

  if (!doProjection) return 0;

  int isRPC = idx % 2;
  int isFWD = idx / 2;
      
  int isys = isFWD + 2 * isRPC; // DT, CSC, BRPC, FRPC
  int ch_idx = (charge == 0) ? 1 : 0; // positive charge is 0 (but idx 1)

  // currently only support 3-bit eta (3 lower bits); ignore 4th bit
  if (eta>7) eta -= 8;

  float dphi =  L1MuGMTPhiLUT::dphi (isys, 1, ch_idx, (int) eta, 
     theTriggerPtScale->getPtScale()->getLowEdge(pt) );  // use old LUT, here
  // theTriggerScales->getPtScale()->getLowEdge(pt) );  // use old LUT, here
  
  int dphi_int = (int) ( (-dphi + 1.25 / 180. * M_PI + 2* M_PI ) / ( 2.5 / 180. * M_PI ) ) - 144;
    
  L1MuSignedPacking<9> PhiPacking;
  return PhiPacking.packedFromIdx(dphi_int);
}

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The documentation for this class was generated from the following files:

• L1Trigger/GlobalMuonTrigger/src/L1MuGMTLFPhiProLUT.h
• L1Trigger/GlobalMuonTrigger/src/L1MuGMTLFPhiProLUT.cc

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