TRTHitIdHelper Class Reference

#include <TRTHitIdHelper.h>

Inheritance diagram for TRTHitIdHelper:

Collaboration diagram for TRTHitIdHelper:

Public Member Functions
bool	isBarrel (const int &hid) const
bool	isEndcap (const int &hid) const
bool	isPositive (const int &hid) const
bool	isNegative (const int &hid) const
int	getRingWheel (const int &hid) const
int	getPhiSector (const int &hid) const
int	getLayerPlane (const int &hid) const
int	getStraw (const int &hid) const
int	buildHitId (const int, const int, const int, const int, const int, const int) const

Static Public Member Functions
static const TRTHitIdHelper *	GetHelper ()

Private Member Functions
	TRTHitIdHelper ()
void	Initialize ()
void	InitializeField (const std::string &n, int vmn, int vmx)
void	InitializeField (const std::string &n, int nb)
void	SetFieldValue (const std::string &name, int n, HitID &targetID) const
int	GetFieldValue (const std::string &name, HitID targetID) const
void	PrintFields ()

Static Private Member Functions
static void	Print (int id)
static void	SetBit (int &i, int bitpos)
static void	UnsetBit (int &i, int bitpos)
static void	Store (int &id, int value, int first, int field)
static int	Retrieve (int id, int first, int field)

Private Attributes
IdFields	m_IDs
int	m_currentStorage

Detailed Description

Definition at line 25 of file TRTHitIdHelper.h.

Constructor & Destructor Documentation

TRTHitIdHelper()

TRTHitIdHelper::TRTHitIdHelper ( )

private

Definition at line 9 of file TRTHitIdHelper.cxx.

                               :HitIdHelper() {
  Initialize();
}

Member Function Documentation

buildHitId()

int TRTHitIdHelper::buildHitId	(	const int	BrlECap,
		const int	PosNeg,
		const int	RingWheel,
		const int	PhiS,
		const int	LayerPlane,
		const int	Straw ) const

Definition at line 72 of file TRTHitIdHelper.cxx.

                                                                                           {
  int theID(0);
  this->SetFieldValue("BarrelEndcap",     BrlECap, theID);
  this->SetFieldValue("PositiveNegative", PosNeg, theID);
  this->SetFieldValue("RingWheel",        RingWheel, theID);
  this->SetFieldValue("PhiSector",        PhiS, theID);
  this->SetFieldValue("LayerPlane",       LayerPlane, theID);
  this->SetFieldValue("Straw",            Straw, theID);
  return theID;
}

GetFieldValue()

int HitIdHelper::GetFieldValue ( const std::string & name, HitID targetID ) const

inherited

Definition at line 47 of file HitIdHelper.cxx.

{
  for (unsigned int i=0;i<m_IDs.size();i++)
    {
      if (m_IDs[i].fieldName==name)
        {
          int n=Retrieve(targetID,m_IDs[i].firstBit,m_IDs[i].nBits);
          return n+m_IDs[i].vMin;
        }
    }
  std::cout<<"HitIdHelper: field "<<name<<" not found: returning 0"<<
    std::endl;
  return 0;
}

GetHelper()

const TRTHitIdHelper * TRTHitIdHelper::GetHelper ( )

static

Definition at line 13 of file TRTHitIdHelper.cxx.

                                                {
  static const TRTHitIdHelper helper;
  return &helper;
}

getLayerPlane()

int TRTHitIdHelper::getLayerPlane

(

const int &

hid

)

const

Definition at line 60 of file TRTHitIdHelper.cxx.

                                                      {
  return this->GetFieldValue("LayerPlane", hid);
}

getPhiSector()

int TRTHitIdHelper::getPhiSector

(

const int &

hid

)

const

Definition at line 55 of file TRTHitIdHelper.cxx.

                                                     {
  return this->GetFieldValue("PhiSector", hid);
}

getRingWheel()

int TRTHitIdHelper::getRingWheel

(

const int &

hid

)

const

Definition at line 50 of file TRTHitIdHelper.cxx.

                                                     {
  return this->GetFieldValue("RingWheel", hid);
}

getStraw()

int TRTHitIdHelper::getStraw

(

const int &

hid

)

const

Definition at line 65 of file TRTHitIdHelper.cxx.

                                                 {
  return this->GetFieldValue("Straw", hid);
}

Initialize()

void TRTHitIdHelper::Initialize ( )

private

Definition at line 18 of file TRTHitIdHelper.cxx.

                                {
  InitializeField("Straw",0,31);
  InitializeField("LayerPlane",0,31);
  InitializeField("PhiSector",0,31);
  InitializeField("RingWheel",0,31);
  InitializeField("PositiveNegative",0,1);
  InitializeField("BarrelEndcap",0,1);
}

InitializeField() [1/2]

void HitIdHelper::InitializeField ( const std::string & n, int nb )

inherited

Definition at line 20 of file HitIdHelper.cxx.

{
  int vmn=0;
  int vmx = (1 << nb) - 1;
  IdField id={n,vmn,vmx,nb,m_currentStorage+1};
  m_IDs.push_back(std::move(id));
  m_currentStorage+=nb;
  assert (m_currentStorage<33);
}

InitializeField() [2/2]

void HitIdHelper::InitializeField ( const std::string & n, int vmn, int vmx )

inherited

Definition at line 10 of file HitIdHelper.cxx.

{
  int field = vmx - vmn + 1;
  int nb = std::bit_width(static_cast<unsigned>(field - 1));
  IdField id={n,vmn,vmx,nb,m_currentStorage+1};
  m_IDs.push_back(std::move(id));
  m_currentStorage+=nb;
  assert (m_currentStorage<33);
}

isBarrel()

bool TRTHitIdHelper::isBarrel

(

const int &

hid

)

const

Definition at line 29 of file TRTHitIdHelper.cxx.

                                                  {
  int ps = this->GetFieldValue("BarrelEndcap", hid);
  return ps ==0;
}

isEndcap()

bool TRTHitIdHelper::isEndcap

(

const int &

hid

)

const

Definition at line 34 of file TRTHitIdHelper.cxx.

                                                  {
  int ps = this->GetFieldValue("BarrelEndcap", hid);
  return ps != 0;
}

isNegative()

bool TRTHitIdHelper::isNegative

(

const int &

hid

)

const

Definition at line 44 of file TRTHitIdHelper.cxx.

                                                    {
  int ps = this->GetFieldValue("PositiveNegative", hid);
  return ps != 0;
}

isPositive()

bool TRTHitIdHelper::isPositive

(

const int &

hid

)

const

Definition at line 40 of file TRTHitIdHelper.cxx.

                                                    {
  int ps = this->GetFieldValue("PositiveNegative", hid);
  return ps ==0;
}

Print()

void HitIdHelper::Print ( int id )

staticinherited

Definition at line 72 of file HitIdHelper.cxx.

{
  for (unsigned int i=0;i<8*sizeof(int);i++)
    {
      if ((id & (1u<<i))) std::cout<<"1";
      else std::cout<<"0";
    }
  std::cout<<std::endl;
}

PrintFields()

void HitIdHelper::PrintFields ( )

inherited

Definition at line 62 of file HitIdHelper.cxx.

{
  for (unsigned int i=0;i<m_IDs.size();i++)
    {
      std::cout<<"-- Field "<<m_IDs[i].fieldName<<"\t["<<m_IDs[i].vMin
               <<","<<m_IDs[i].vMax<<"]\tnBits "<<m_IDs[i].nBits
               <<"\tfirst Bit "<<m_IDs[i].firstBit<<std::endl;
    }
}

Retrieve()

int HitIdHelper::Retrieve ( int id, int first, int field )

staticprotectedinherited

Definition at line 105 of file HitIdHelper.cxx.

{
  int j=0;
  for (int i=0;i<field;i++)
    SetBit(j,(i+first));
  int l=id&j;
  return l>>(first-1);
}

SetBit()

void HitIdHelper::SetBit ( int & i, int bitpos )

staticprotectedinherited

Definition at line 82 of file HitIdHelper.cxx.

{
  int l=1;
  l<<=(bitpos-1);
  i|=l;
}

SetFieldValue()

void HitIdHelper::SetFieldValue ( const std::string & name, int n, HitID & targetID ) const

inherited

Definition at line 30 of file HitIdHelper.cxx.

{
  for (unsigned int i=0;i<m_IDs.size();i++)
    {
      if (m_IDs[i].fieldName==name)
        {
          if (n<m_IDs[i].vMin || n>m_IDs[i].vMax)
            std::cout<<"HitIdHelper: field "<<name<<": supplied value "<<n<<
              " is not within the allowed range ["<<m_IDs[i].vMin<<","<<m_IDs[i].vMax
                     <<"] : the result of this action is unpredictable "<<std::endl;
          n-=m_IDs[i].vMin;
          Store(targetID,n,m_IDs[i].firstBit,m_IDs[i].nBits);
          break;
        }
    }
}

Store()

void HitIdHelper::Store ( int & id, int value, int first, int field )

staticprotectedinherited

Definition at line 96 of file HitIdHelper.cxx.

{
  int l=0;
  for (int i=0;i<field;i++)
    UnsetBit(id,i+firstbit);
  l=value<<(firstbit-1);
  id |= l;
}

UnsetBit()

void HitIdHelper::UnsetBit ( int & i, int bitpos )

staticprotectedinherited

Definition at line 88 of file HitIdHelper.cxx.

{
  int l=0;
  SetBit(l,bitpos);
  int k=~l;
  i&=k;
}

Member Data Documentation

m_currentStorage

int HitIdHelper::m_currentStorage

protectedinherited

Definition at line 35 of file HitIdHelper.h.

m_IDs

IdFields HitIdHelper::m_IDs

protectedinherited

Definition at line 34 of file HitIdHelper.h.

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

• TRTHitIdHelper.h
• TRTHitIdHelper.cxx