#include <TwoTrackMinimumDistanceHelixHelix.h>

Public Member Functions
bool	calculate (const GlobalTrajectoryParameters &, const GlobalTrajectoryParameters &, const float qual=.001)

double	firstAngle () const

std::pair< double, double >	pathLength () const

std::pair< GlobalPoint, GlobalPoint >	points () const

double	secondAngle () const

	TwoTrackMinimumDistanceHelixHelix ()

	~TwoTrackMinimumDistanceHelixHelix ()

Private Member Functions
void	finalPoints () const

bool	oneIteration (double &, double &) const

bool	updateCoeffs (const GlobalPoint &, const GlobalPoint &)

Private Attributes
double	pathG

double	pathH

GlobalPoint	pointG

GlobalPoint	pointH

bool	pointsUpdated

double	thea

double	theb

double	thec1

double	thec2

double	thecospG

double	thecospG0

double	thecospH

double	thecospH0

double	thed1

double	thed2

double	thee1

double	thee2

GlobalTrajectoryParameters const *	theG

double	theg

GlobalTrajectoryParameters const *	theH

double	theh

int	themaxiter

double	themaxjump

double	thepG

double	thepG0

double	thepH

double	thepH0

double	thesingjacI

double	thesinpG

double	thesinpG0

double	thesinpH

double	thesinpH0

double	thetanlambdaG

double	thetanlambdaH

Detailed Description

This is a helper class for TwoTrackMinimumDistance. No user should need direct access to this class. It actually implements a Newton-Kantorowitsch method for finding the minimum distance between two tracks.

Definition at line 18 of file TwoTrackMinimumDistanceHelixHelix.h.

Constructor & Destructor Documentation

TwoTrackMinimumDistanceHelixHelix::TwoTrackMinimumDistanceHelixHelix ( )

Definition at line 34 of file TwoTrackMinimumDistanceHelixHelix.cc.

TwoTrackMinimumDistanceHelixHelix::~TwoTrackMinimumDistanceHelixHelix ( )

Definition at line 38 of file TwoTrackMinimumDistanceHelixHelix.cc.

Member Function Documentation

bool TwoTrackMinimumDistanceHelixHelix::calculate	(	const GlobalTrajectoryParameters &	G,
		const GlobalTrajectoryParameters &	H,
		const float	qual = `.001`
	)

Definition at line 143 of file TwoTrackMinimumDistanceHelixHelix.cc.

void TwoTrackMinimumDistanceHelixHelix::finalPoints ( ) const

private

Definition at line 169 of file TwoTrackMinimumDistanceHelixHelix.cc.

Referenced by pathLength(), and points().

double TwoTrackMinimumDistanceHelixHelix::firstAngle ( ) const

inline

Definition at line 40 of file TwoTrackMinimumDistanceHelixHelix.h.

References thepG.

40 {return thepG;}

TwoTrackMinimumDistanceHelixHelix::thepG

double thepG

Definition: TwoTrackMinimumDistanceHelixHelix.h:62

bool TwoTrackMinimumDistanceHelixHelix::oneIteration	(	double &	dH,
		double &	dG
	)		const

private

Definition at line 102 of file TwoTrackMinimumDistanceHelixHelix.cc.

std::pair<double, double> TwoTrackMinimumDistanceHelixHelix::pathLength ( ) const

inline

Definition at line 33 of file TwoTrackMinimumDistanceHelixHelix.h.

References finalPoints(), pathG, pathH, and pointsUpdated.

                                               {
     if (!pointsUpdated) finalPoints();
     return std::pair <double, double> ( pathG, pathH);
   }

std::pair<GlobalPoint, GlobalPoint> TwoTrackMinimumDistanceHelixHelix::points ( ) const

inline

Definition at line 28 of file TwoTrackMinimumDistanceHelixHelix.h.

References finalPoints(), pointG, pointH, and pointsUpdated.

                                                     {
     if (!pointsUpdated) finalPoints();
     return std::pair<GlobalPoint, GlobalPoint> (pointG, pointH);
   }