SingleGaussianState1D Class Reference

#include <SingleGaussianState1D.h>

Public Member Functions
double	mean () const
	parameter vector More...
	SingleGaussianState1D ()
	SingleGaussianState1D (double aMean, double aVariance, double aWeight=1.)
double	standardDeviation () const
	standardDeviation More...
double	variance () const
	variance More...
double	weight () const
	weight More...
	~SingleGaussianState1D ()

Private Attributes
double	theMean
double	theStandardDeviation
double	theVariance
double	theWeight

Detailed Description

One-dimensional (single) Gaussian state. Used for the description of Gaussian mixtures in one dimension.

Definition at line 10 of file SingleGaussianState1D.h.

Constructor & Destructor Documentation

SingleGaussianState1D::SingleGaussianState1D ( )

inline

Definition at line 15 of file SingleGaussianState1D.h.

: theWeight(0.), theMean(0.), theVariance(0.), theStandardDeviation(-1.) {}

SingleGaussianState1D::SingleGaussianState1D ( double  aMean, double  aVariance, double  aWeight = 1.  )

inline

Definition at line 17 of file SingleGaussianState1D.h.

      : theWeight(aWeight), theMean(aMean), theVariance(aVariance), theStandardDeviation(-1.) {}

SingleGaussianState1D::~SingleGaussianState1D ( )

inline

Definition at line 20 of file SingleGaussianState1D.h.

{}

Member Function Documentation

double SingleGaussianState1D::mean ( ) const

inline

parameter vector

Definition at line 25 of file SingleGaussianState1D.h.

References theMean.

Referenced by multiTrajectoryStateMode::chargeFromMode(), PFGsfHelper::computeQpMode(), GsfTrackProducerBase::fillMode(), GsfTrackProducerBase::localParametersFromQpMode(), MultiGaussianState1D::mean(), multiTrajectoryStateMode::momentumFromModeCartesian(), multiTrajectoryStateMode::momentumFromModeLocal(), multiTrajectoryStateMode::momentumFromModeP(), multiTrajectoryStateMode::momentumFromModePPhiEta(), multiTrajectoryStateMode::momentumFromModeQP(), GaussianSumUtilities1D::pdfComponents(), PFGsfHelper::PFGsfHelper(), multiTrajectoryStateMode::positionFromModeCartesian(), and multiTrajectoryStateMode::positionFromModeLocal().

{ return theMean; }

double SingleGaussianState1D::standardDeviation ( ) const

inline

standardDeviation

Definition at line 29 of file SingleGaussianState1D.h.

References mathSSE::sqrt(), theStandardDeviation, and theVariance.

Referenced by GaussianSumUtilities1D::pdfComponents().

                                   {
    if (theStandardDeviation < 0.)
      theStandardDeviation = sqrt(theVariance);
    return theStandardDeviation;
  }

double SingleGaussianState1D::variance ( ) const

inline

variance

Definition at line 27 of file SingleGaussianState1D.h.

References theVariance.

Referenced by PFGsfHelper::computeQpMode(), egamma::correctElectronMomentum(), GsfTrackProducerBase::fillMode(), GsfTrackProducerBase::localParametersFromQpMode(), multiTrajectoryStateMode::momentumFromModeP(), and MultiGaussianState1D::variance().

{ return theVariance; }

double SingleGaussianState1D::weight ( ) const

inline

weight

Definition at line 23 of file SingleGaussianState1D.h.

References theWeight.

Referenced by multiTrajectoryStateMode::momentumFromModeP(), GaussianSumUtilities1D::pdfComponents(), and MultiGaussianState1D::weight().

{ return theWeight; }

Member Data Documentation

double SingleGaussianState1D::theMean

private

Definition at line 39 of file SingleGaussianState1D.h.

Referenced by mean().

double SingleGaussianState1D::theStandardDeviation

mutableprivate

Definition at line 41 of file SingleGaussianState1D.h.

Referenced by standardDeviation().

double SingleGaussianState1D::theVariance

private

Definition at line 40 of file SingleGaussianState1D.h.

Referenced by standardDeviation(), and variance().

double SingleGaussianState1D::theWeight

private

Definition at line 38 of file SingleGaussianState1D.h.

Referenced by weight().