#include <ExtendedPerigeeTrajectoryError.h>

Public Member Functions
const AlgebraicSymMatrix66 &	covarianceMatrix () const
	ExtendedPerigeeTrajectoryError ()
	ExtendedPerigeeTrajectoryError (const AlgebraicSymMatrix66 &covariance)
bool	isValid () const
bool	weightIsAvailable () const
const AlgebraicSymMatrix66 &	weightMatrix (int &error) const
Private Attributes
AlgebraicSymMatrix66	cov
bool	vl
AlgebraicSymMatrix66	weight
bool	weightAvailable

Detailed Description

Definition at line 7 of file ExtendedPerigeeTrajectoryError.h.

Constructor & Destructor Documentation

ExtendedPerigeeTrajectoryError::ExtendedPerigeeTrajectoryError ( ) [inline]

Definition at line 10 of file ExtendedPerigeeTrajectoryError.h.

                                 : weightAvailable(false),vl(false)
 {}

ExtendedPerigeeTrajectoryError::ExtendedPerigeeTrajectoryError ( const AlgebraicSymMatrix66 & covariance ) [inline]

Definition at line 13 of file ExtendedPerigeeTrajectoryError.h.

                                                                       :
                               cov(covariance),weightAvailable(false),
                               vl(true)
 {}

Member Function Documentation

const AlgebraicSymMatrix66& ExtendedPerigeeTrajectoryError::covarianceMatrix ( ) const [inline]

Definition at line 29 of file ExtendedPerigeeTrajectoryError.h.

References cov.

Referenced by ParticleKinematicLinearizedTrackState::predictedStateError().

 {return cov;}

bool ExtendedPerigeeTrajectoryError::isValid ( void ) const [inline]

Access methods

Definition at line 23 of file ExtendedPerigeeTrajectoryError.h.

References vl.

 {return vl;}

bool ExtendedPerigeeTrajectoryError::weightIsAvailable ( ) const [inline]

Definition at line 26 of file ExtendedPerigeeTrajectoryError.h.

References weightAvailable.

Referenced by weightMatrix().

 {return weightAvailable;}

const AlgebraicSymMatrix66& ExtendedPerigeeTrajectoryError::weightMatrix ( int & error ) const [inline]

Definition at line 32 of file ExtendedPerigeeTrajectoryError.h.

References cov, LogDebug, weight, weightAvailable, and weightIsAvailable().

Referenced by ParticleKinematicLinearizedTrackState::predictedStateMomentumError(), and ParticleKinematicLinearizedTrackState::predictedStateWeight().

 {
  error = 0;
  if(! weightIsAvailable()) {
    weight = cov.Inverse(error);
   if(error != 0) LogDebug("RecoVertex/ExtendedPerigeeTrajectoryError") 
       << "unable to invert covariance matrix\n";
   weightAvailable = true;
  }
  return weight;
 }