PeriodicBinFinderInPhi< T > Class Template Reference

#include <MagBLayer.h>

Inheritance diagram for PeriodicBinFinderInPhi< T >:

Public Member Functions
int	binIndex (T phi) const override
	returns an index in the valid range for the bin that contains phi More...
int	binIndex (int i) const override
	returns an index in the valid range, modulo Nbins 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 21 of file MagBLayer.h.

Constructor & Destructor Documentation

template<class T>

PeriodicBinFinderInPhi< T >::PeriodicBinFinderInPhi ( )

inline

Definition at line 17 of file PeriodicBinFinderInPhi.h.

{}

template<class T>

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

inline

Definition at line 19 of file PeriodicBinFinderInPhi.h.

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

Member Function Documentation

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 24 of file PeriodicBinFinderInPhi.h.

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

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

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 31 of file PeriodicBinFinderInPhi.h.

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

template<class T>

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

inlineoverridevirtual

the middle of the bin in radians

Implements BaseBinFinder< T >.

Definition at line 37 of file PeriodicBinFinderInPhi.h.

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

template<class T>

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

inlinestatic

Definition at line 41 of file PeriodicBinFinderInPhi.h.

{ return piC;}

template<class T>

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

inlinestatic

Definition at line 42 of file PeriodicBinFinderInPhi.h.

{ return twoPiC;}

Member Data Documentation

template<class T>

constexpr T PeriodicBinFinderInPhi< T >::piC = 3.141592653589793238

staticprivate

Definition at line 46 of file PeriodicBinFinderInPhi.h.

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

template<class T>

T PeriodicBinFinderInPhi< T >::theInvPhiStep =0

private

Definition at line 53 of file PeriodicBinFinderInPhi.h.

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

template<class T>

int PeriodicBinFinderInPhi< T >::theNbins =0

private

Definition at line 51 of file PeriodicBinFinderInPhi.h.

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

template<class T>

T PeriodicBinFinderInPhi< T >::thePhiOffset =0

private

Definition at line 54 of file PeriodicBinFinderInPhi.h.

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

template<class T>

T PeriodicBinFinderInPhi< T >::thePhiStep =0

private

Definition at line 52 of file PeriodicBinFinderInPhi.h.

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

template<class T>

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

staticprivate

Definition at line 47 of file PeriodicBinFinderInPhi.h.

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