PeriodicBinFinderInPhi< T > Class Template Reference

#include <MagBLayer.h>

Inheritance diagram for PeriodicBinFinderInPhi< T >:

Public Member Functions
int	binIndex (int i) const override
	returns an index in the valid range, modulo Nbins More...
int	binIndex (T phi) const override
	returns an index in the valid range for the bin that contains phi More...
T	binPosition (int ind) const override
	the middle of the bin in radians More...
	PeriodicBinFinderInPhi ()
	PeriodicBinFinderInPhi (T firstPhi, int nbins)
Public Member Functions inherited from BaseBinFinder< T >
	BaseBinFinder ()
virtual	~BaseBinFinder ()

Static Public Member Functions
static constexpr T	pi ()
static constexpr T	twoPi ()

Private Attributes
T	theInvPhiStep = 0
int	theNbins = 0
T	thePhiOffset = 0
T	thePhiStep = 0

Static Private Attributes
static constexpr T	piC = 3.141592653589793238
static constexpr T	twoPiC = 2 * piC

Detailed Description

template<class T>
class PeriodicBinFinderInPhi< T >

Periodic Bin Finder around a circle for (almost) equidistant bins. Phi is the angle on the circle in radians.

Definition at line 22 of file MagBLayer.h.

Constructor & Destructor Documentation

PeriodicBinFinderInPhi() [1/2]

template<class T>

PeriodicBinFinderInPhi< T >::PeriodicBinFinderInPhi ( )

inline

Definition at line 16 of file PeriodicBinFinderInPhi.h.

{}

PeriodicBinFinderInPhi() [2/2]

template<class T>

PeriodicBinFinderInPhi< T >::PeriodicBinFinderInPhi ( T  firstPhi, int  nbins  )

inline

Definition at line 18 of file PeriodicBinFinderInPhi.h.

      : theNbins(nbins),
        thePhiStep(twoPiC / T(nbins)),
        theInvPhiStep(T(1) / thePhiStep),
        thePhiOffset(firstPhi - T(0.5) * thePhiStep) {}

Member Function Documentation

binIndex() [1/2]

template<class T>

int PeriodicBinFinderInPhi< T >::binIndex ( int  i ) const

inlineoverridevirtual

returns an index in the valid range, modulo Nbins

Implements BaseBinFinder< T >.

Definition at line 33 of file PeriodicBinFinderInPhi.h.

                                     {
    int ind = i % theNbins;
    return ind < 0 ? ind + theNbins : ind;
  }

binIndex() [2/2]

template<class T>

int PeriodicBinFinderInPhi< T >::binIndex ( T  phi ) const

inlineoverridevirtual

returns an index in the valid range for the bin that contains phi

Implements BaseBinFinder< T >.

Definition at line 25 of file PeriodicBinFinderInPhi.h.

                                     {
    T tmp = std::fmod((phi - thePhiOffset), twoPiC) * theInvPhiStep;
    if (tmp < 0)
      tmp += theNbins;
    return std::min(int(tmp), theNbins - 1);
  }

Referenced by MTDDetRing::compatibleDets(), MuDetRing::compatibleDets(), TECLayer::computeCrossings(), TIDRing::computeCrossings(), Phase2EndcapRing::computeCrossings(), PixelForwardLayer::computeCrossings(), PixelForwardLayerPhase1::computeCrossings(), TIBRing::computeCrossings(), MagBLayer::findVolume(), MagGeometry::findVolume(), PixelForwardLayer::groupedCompatibleDetsV(), PixelForwardLayerPhase1::groupedCompatibleDetsV(), TIBRing::groupedCompatibleDetsV(), TECLayer::searchNeighbors(), PixelForwardLayer::searchNeighbors(), PixelForwardLayerPhase1::searchNeighbors(), TIDRing::searchNeighbors(), Phase2EndcapRing::searchNeighbors(), TBPLayer::searchNeighbors(), and TIBRing::searchNeighbors().

binPosition()

template<class T>

T PeriodicBinFinderInPhi< T >::binPosition ( int  ind ) const

inlineoverridevirtual

the middle of the bin in radians

Implements BaseBinFinder< T >.

Definition at line 39 of file PeriodicBinFinderInPhi.h.

{ return thePhiOffset + thePhiStep * (T(ind) + T(0.5)); }

pi()

template<class T>

static constexpr T PeriodicBinFinderInPhi< T >::pi ( )

inlinestaticconstexpr

Definition at line 41 of file PeriodicBinFinderInPhi.h.

{ return piC; }

twoPi()

template<class T>

static constexpr T PeriodicBinFinderInPhi< T >::twoPi ( )

inlinestaticconstexpr

Definition at line 42 of file PeriodicBinFinderInPhi.h.

{ return twoPiC; }

Member Data Documentation

piC

template<class T>

constexpr T PeriodicBinFinderInPhi< T >::piC = 3.141592653589793238

staticconstexprprivate

Definition at line 45 of file PeriodicBinFinderInPhi.h.

Referenced by PeriodicBinFinderInPhi< float >::pi().

theInvPhiStep

template<class T>

T PeriodicBinFinderInPhi< T >::theInvPhiStep = 0

private

Definition at line 50 of file PeriodicBinFinderInPhi.h.

Referenced by PeriodicBinFinderInPhi< float >::binIndex().

theNbins

template<class T>

int PeriodicBinFinderInPhi< T >::theNbins = 0

private

Definition at line 48 of file PeriodicBinFinderInPhi.h.

Referenced by PeriodicBinFinderInPhi< float >::binIndex().

thePhiOffset

template<class T>

T PeriodicBinFinderInPhi< T >::thePhiOffset = 0

private

Definition at line 51 of file PeriodicBinFinderInPhi.h.

Referenced by PeriodicBinFinderInPhi< float >::binIndex(), and PeriodicBinFinderInPhi< float >::binPosition().

thePhiStep

template<class T>

T PeriodicBinFinderInPhi< T >::thePhiStep = 0

private

Definition at line 49 of file PeriodicBinFinderInPhi.h.

Referenced by PeriodicBinFinderInPhi< float >::binPosition().

twoPiC

template<class T>

constexpr T PeriodicBinFinderInPhi< T >::twoPiC = 2 * piC

staticconstexprprivate

Definition at line 46 of file PeriodicBinFinderInPhi.h.

Referenced by PeriodicBinFinderInPhi< float >::binIndex(), and PeriodicBinFinderInPhi< float >::twoPi().