#include <G4MagIntegratorDriver.hh>

Collaboration diagram for G4MagInt_Driver:

Public Member Functions
G4bool	AccurateAdvance (G4FieldTrack &y_current, G4double hstep, G4double eps, G4double hinitial=0.0)

G4bool	QuickAdvance (G4FieldTrack &y_val, const G4double dydx[], G4double hstep, G4double &dchord_step, G4double &dyerr)

G4bool	QuickAdvance (G4FieldTrack &y_posvel, const G4double dydx[], G4double hstep, G4double &dchord_step, G4double &dyerr_pos_sq, G4double &dyerr_mom_rel_sq)

	G4MagInt_Driver (G4double hminimum, G4MagIntegratorStepper *pItsStepper, G4int numberOfComponents=6, G4int statisticsVerbosity=1)

	~G4MagInt_Driver ()

G4double	GetHmin () const

G4double	Hmin () const

G4double	GetSafety () const

G4double	GetPshrnk () const

G4double	GetPgrow () const

G4double	GetErrcon () const

void	GetDerivatives (const G4FieldTrack &y_curr, G4double dydx[])

void	RenewStepperAndAdjust (G4MagIntegratorStepper *pItsStepper)

void	ReSetParameters (G4double new_safety=0.9)

void	SetSafety (G4double valS)

void	SetPshrnk (G4double valPs)

void	SetPgrow (G4double valPg)

void	SetErrcon (G4double valEc)

G4double	ComputeAndSetErrcon ()

const G4MagIntegratorStepper *	GetStepper () const

G4MagIntegratorStepper *	GetStepper ()

void	OneGoodStep (G4double ystart[], const G4double dydx[], G4double &x, G4double htry, G4double eps, G4double &hdid, G4double &hnext)

G4double	ComputeNewStepSize (G4double errMaxNorm, G4double hstepCurrent)

G4double	ComputeNewStepSize_WithinLimits (G4double errMaxNorm, G4double hstepCurrent)

G4int	GetMaxNoSteps () const

void	SetMaxNoSteps (G4int val)

void	SetHmin (G4double newval)

void	SetVerboseLevel (G4int newLevel)

G4double	GetVerboseLevel () const

G4double	GetSmallestFraction () const

void	SetSmallestFraction (G4double val)

Protected Member Functions
void	WarnSmallStepSize (G4double hnext, G4double hstep, G4double h, G4double xDone, G4int noSteps)

void	WarnTooManyStep (G4double x1start, G4double x2end, G4double xCurrent)

void	WarnEndPointTooFar (G4double endPointDist, G4double hStepSize, G4double epsilonRelative, G4int debugFlag)

void	PrintStatus (const G4double StartArr, G4double xstart, const G4double CurrentArr, G4double xcurrent, G4double requestStep, G4int subStepNo)

void	PrintStatus (const G4FieldTrack &StartFT, const G4FieldTrack &CurrentFT, G4double requestStep, G4int subStepNo)

void	PrintStat_Aux (const G4FieldTrack &aFieldTrack, G4double requestStep, G4double actualStep, G4int subStepNo, G4double subStepSize, G4double dotVelocities)

void	PrintStatisticsReport ()

Private Member Functions
	G4MagInt_Driver (const G4MagInt_Driver &)

G4MagInt_Driver &	operator= (const G4MagInt_Driver &)

Static Private Attributes
static const G4int	fMaxStepBase = 250

static const G4double	max_stepping_increase = 5.0

static const G4double	max_stepping_decrease = 0.1

Detailed Description

Definition at line 48 of file G4MagIntegratorDriver.hh.

Constructor & Destructor Documentation

G4MagInt_Driver::G4MagInt_Driver	(	G4double	hminimum,
		G4MagIntegratorStepper *	pItsStepper,
		G4int	numberOfComponents = `6`,
		G4int	statisticsVerbosity = `1`
	)

Definition at line 69 of file G4MagIntegratorDriver.cc.

References fMaxNoSteps, fMaxStepBase, fMinimumStep, fStatisticsVerboseLevel, fVerboseLevel, G4cout, G4endl, G4MagIntegratorStepper::IntegratorOrder(), pIntStepper, and RenewStepperAndAdjust().

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G4MagInt_Driver::~G4MagInt_Driver ( )

Definition at line 112 of file G4MagIntegratorDriver.cc.

References fStatisticsVerboseLevel, and PrintStatisticsReport().

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G4MagInt_Driver::G4MagInt_Driver ( const G4MagInt_Driver & )

private

Member Function Documentation

G4bool G4MagInt_Driver::AccurateAdvance	(	G4FieldTrack &	y_current,
		G4double	hstep,
		G4double	eps,
		G4double	hinitial = `0.0`
	)

Definition at line 127 of file G4MagIntegratorDriver.cc.

References ComputeNewStepSize(), G4MagIntegratorStepper::ComputeRightHandSide(), G4FieldTrack::DumpToArray(), eps, EventMustBeAborted, FatalException, fDyerr_max, fDyerrPos_smTot, fMaxNoSteps, fMinimumStep, fNoBadSteps, fNoInitialSmallSteps, fNoIntegrationVariables, fNoSmallSteps, fNoTotalSteps, fNoVars, fSmallestFraction, fSumH_sm, G4cerr, G4cout, G4endl, G4Exception(), G4ThreadLocal, G4FieldTrack::GetCurveLength(), Hmin(), JustWarning, G4FieldTrack::LoadFromArray(), G4FieldTrack::ncompSVEC, OneGoodStep(), perMillion, perThousand, pIntStepper, CLHEP::prec, PrintStatus(), QuickAdvance(), G4FieldTrack::SetCurveLength(), WarnEndPointTooFar(), WarnSmallStepSize(), and WarnTooManyStep().

Referenced by G4ChordFinder::AdvanceChordLimited(), G4ChordFinder::ApproxCurvePointS(), G4ChordFinder::ApproxCurvePointV(), G4BrentLocator::EstimateIntersectionPoint(), G4MultiLevelLocator::EstimateIntersectionPoint(), G4RKPropagation::FieldTransport(), and G4VIntersectionLocator::ReEstimateEndpoint().

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G4double G4MagInt_Driver::ComputeAndSetErrcon ( )

inline

G4double G4MagInt_Driver::ComputeNewStepSize	(	G4double	errMaxNorm,
		G4double	hstepCurrent
	)

Definition at line 754 of file G4MagIntegratorDriver.cc.

References GetPgrow(), GetPshrnk(), GetSafety(), and max_stepping_increase.

Referenced by AccurateAdvance(), G4ChordFinderSaf::FindNextChord(), G4ChordFinder::FindNextChord(), and QuickAdvance().

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G4double G4MagInt_Driver::ComputeNewStepSize_WithinLimits	(	G4double	errMaxNorm,
		G4double	hstepCurrent
	)

Definition at line 784 of file G4MagIntegratorDriver.cc.

References errcon, GetPgrow(), GetPshrnk(), GetSafety(), max_stepping_decrease, and max_stepping_increase.

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void G4MagInt_Driver::GetDerivatives	(	const G4FieldTrack &	y_curr,
		G4double	dydx[]
	)

inline

G4double G4MagInt_Driver::GetErrcon ( ) const

inline

G4double G4MagInt_Driver::GetHmin ( ) const

inline

G4int G4MagInt_Driver::GetMaxNoSteps ( ) const

inline

G4double G4MagInt_Driver::GetPgrow ( ) const

inline

Referenced by ComputeNewStepSize(), ComputeNewStepSize_WithinLimits(), and OneGoodStep().

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G4double G4MagInt_Driver::GetPshrnk ( ) const

inline

Referenced by ComputeNewStepSize(), ComputeNewStepSize_WithinLimits(), and OneGoodStep().

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G4double G4MagInt_Driver::GetSafety ( ) const

inline

Referenced by ComputeNewStepSize(), ComputeNewStepSize_WithinLimits(), and OneGoodStep().

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G4double G4MagInt_Driver::GetSmallestFraction ( ) const

inline

const G4MagIntegratorStepper* G4MagInt_Driver::GetStepper ( ) const

inline

Referenced by G4Transportation::AlongStepGetPhysicalInteractionLength(), G4CoupledTransportation::AlongStepGetPhysicalInteractionLength(), G4MonopoleTransportation::AlongStepGetPhysicalInteractionLength(), and G4ErrorPropagatorManager::InitFieldForBackwards().

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G4MagIntegratorStepper* G4MagInt_Driver::GetStepper ( )

inline

G4double G4MagInt_Driver::GetVerboseLevel ( ) const

inline

G4double G4MagInt_Driver::Hmin ( ) const

inline

Referenced by AccurateAdvance(), and WarnSmallStepSize().

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void G4MagInt_Driver::OneGoodStep	(	G4double	ystart[],
		const G4double	dydx[],
		G4double &	x,
		G4double	htry,
		G4double	eps,
		G4double &	hdid,
		G4double &	hnext
	)

Definition at line 515 of file G4MagIntegratorDriver.cc.

References errcon, fDyerrPos_lgTot, fDyerrVel_lgTot, fMinimumStep, fNoIntegrationVariables, fSumH_lg, G4cerr, G4endl, G4ThreadLocal, GetPgrow(), GetPshrnk(), GetSafety(), G4INCL::Math::max(), max_stepping_increase, G4FieldTrack::ncompSVEC, pIntStepper, and sqr().

Referenced by AccurateAdvance().

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G4MagInt_Driver& G4MagInt_Driver::operator= ( const G4MagInt_Driver & )

private

void G4MagInt_Driver::PrintStat_Aux	(	const G4FieldTrack &	aFieldTrack,
		G4double	requestStep,
		G4double	actualStep,
		G4int	subStepNo,
		G4double	subStepSize,
		G4double	dotVelocities
	)

protected

Definition at line 919 of file G4MagIntegratorDriver.cc.

References G4cout, G4endl, G4ThreadLocal, G4FieldTrack::GetCurveLength(), G4FieldTrack::GetKineticEnergy(), G4FieldTrack::GetMomentumDir(), and G4FieldTrack::GetPosition().

Referenced by PrintStatus().

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void G4MagInt_Driver::PrintStatisticsReport ( )

protected

Definition at line 985 of file G4MagIntegratorDriver.cc.

References fDyerr_max, fDyerr_mx2, fDyerrPos_lgTot, fDyerrPos_smTot, fDyerrVel_lgTot, fMinimumStep, fNoBadSteps, fNoInitialSmallSteps, fNoSmallSteps, fNoTotalSteps, fSumH_lg, fSumH_sm, G4cout, and G4endl.

Referenced by ~G4MagInt_Driver().

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void G4MagInt_Driver::PrintStatus	(	const G4double *	StartArr,
		G4double	xstart,
		const G4double *	CurrentArr,
		G4double	xcurrent,
		G4double	requestStep,
		G4int	subStepNo
	)

protected

Definition at line 816 of file G4MagIntegratorDriver.cc.

References fNoIntegrationVariables, G4FieldTrack::LoadFromArray(), and G4FieldTrack::SetCurveLength().

Referenced by AccurateAdvance(), and QuickAdvance().

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void G4MagInt_Driver::PrintStatus	(	const G4FieldTrack &	StartFT,
		const G4FieldTrack &	CurrentFT,
		G4double	requestStep,
		G4int	subStepNo
	)

protected

Definition at line 841 of file G4MagIntegratorDriver.cc.

References fVerboseLevel, G4cout, G4endl, G4ThreadLocal, G4FieldTrack::GetCurveLength(), G4FieldTrack::GetMomentumDir(), G4FieldTrack::GetPosition(), and PrintStat_Aux().

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G4bool G4MagInt_Driver::QuickAdvance	(	G4FieldTrack &	y_val,
		const G4double	dydx[],
		G4double	hstep,
		G4double &	dchord_step,
		G4double &	dyerr
	)

Definition at line 653 of file G4MagIntegratorDriver.cc.

References ComputeNewStepSize(), G4FieldTrack::DumpToArray(), eps, fNoIntegrationVariables, fVerboseLevel, G4cout, G4endl, G4ThreadLocal, G4FieldTrack::GetCurveLength(), G4FieldTrack::LoadFromArray(), G4FieldTrack::ncompSVEC, pIntStepper, PrintStatus(), G4FieldTrack::SetCurveLength(), and sqr().

Referenced by AccurateAdvance(), G4ChordFinderSaf::FindNextChord(), and G4ChordFinder::FindNextChord().

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G4bool G4MagInt_Driver::QuickAdvance	(	G4FieldTrack &	y_posvel,
		const G4double	dydx[],
		G4double	hstep,
		G4double &	dchord_step,
		G4double &	dyerr_pos_sq,
		G4double &	dyerr_mom_rel_sq
	)

Definition at line 634 of file G4MagIntegratorDriver.cc.

References FatalException, G4Exception(), and G4FieldTrack::GetPosition().

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void G4MagInt_Driver::RenewStepperAndAdjust ( G4MagIntegratorStepper * pItsStepper )

inline

Referenced by G4MagInt_Driver().

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void G4MagInt_Driver::ReSetParameters ( G4double new_safety = 0.9 )

inline

void G4MagInt_Driver::SetErrcon ( G4double valEc )

inline

void G4MagInt_Driver::SetHmin ( G4double newval )

inline

void G4MagInt_Driver::SetMaxNoSteps ( G4int val )

inline

void G4MagInt_Driver::SetPgrow ( G4double valPg )

inline

void G4MagInt_Driver::SetPshrnk ( G4double valPs )

inline

void G4MagInt_Driver::SetSafety ( G4double valS )

inline

void G4MagInt_Driver::SetSmallestFraction ( G4double val )

Definition at line 1033 of file G4MagIntegratorDriver.cc.

References fSmallestFraction, G4cerr, and G4endl.

void G4MagInt_Driver::SetVerboseLevel ( G4int newLevel )

inline

Referenced by G4PropagatorInField::SetVerboseLevel().

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void G4MagInt_Driver::WarnEndPointTooFar	(	G4double	endPointDist,
		G4double	hStepSize,
		G4double	epsilonRelative,
		G4int	debugFlag
	)

protected

Definition at line 479 of file G4MagIntegratorDriver.cc.

References eps, G4endl, G4Exception(), G4ThreadLocal, G4GeometryTolerance::GetInstance(), G4GeometryTolerance::GetSurfaceTolerance(), and JustWarning.

Referenced by AccurateAdvance().

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void G4MagInt_Driver::WarnSmallStepSize	(	G4double	hnext,
		G4double	hstep,
		G4double	h,
		G4double	xDone,
		G4int	noSteps
	)

protected

Definition at line 430 of file G4MagIntegratorDriver.cc.

References fVerboseLevel, G4endl, G4Exception(), G4ThreadLocal, Hmin(), and JustWarning.

Referenced by AccurateAdvance().

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void G4MagInt_Driver::WarnTooManyStep	(	G4double	x1start,
		G4double	x2end,
		G4double	xCurrent
	)

protected

Definition at line 462 of file G4MagIntegratorDriver.cc.

References G4endl, G4Exception(), and JustWarning.

Referenced by AccurateAdvance().

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Member Data Documentation

G4double G4MagInt_Driver::errcon

private

Definition at line 227 of file G4MagIntegratorDriver.hh.

Referenced by ComputeNewStepSize_WithinLimits(), and OneGoodStep().

G4double G4MagInt_Driver::fDyerr_max

private

Definition at line 244 of file G4MagIntegratorDriver.hh.

Referenced by AccurateAdvance(), and PrintStatisticsReport().

G4double G4MagInt_Driver::fDyerr_mx2

private

Definition at line 244 of file G4MagIntegratorDriver.hh.

Referenced by PrintStatisticsReport().

G4double G4MagInt_Driver::fDyerrPos_lgTot

private

Definition at line 245 of file G4MagIntegratorDriver.hh.

Referenced by OneGoodStep(), and PrintStatisticsReport().

G4double G4MagInt_Driver::fDyerrPos_smTot

private

Definition at line 245 of file G4MagIntegratorDriver.hh.

Referenced by AccurateAdvance(), and PrintStatisticsReport().

G4double G4MagInt_Driver::fDyerrVel_lgTot

private

Definition at line 245 of file G4MagIntegratorDriver.hh.

Referenced by OneGoodStep(), and PrintStatisticsReport().

G4int G4MagInt_Driver::fMaxNoSteps

private

Definition at line 221 of file G4MagIntegratorDriver.hh.

Referenced by AccurateAdvance(), and G4MagInt_Driver().

const G4int G4MagInt_Driver::fMaxStepBase = 250

staticprivate

Definition at line 222 of file G4MagIntegratorDriver.hh.

Referenced by G4MagInt_Driver().

G4double G4MagInt_Driver::fMinimumStep

private

Definition at line 211 of file G4MagIntegratorDriver.hh.

Referenced by AccurateAdvance(), G4MagInt_Driver(), OneGoodStep(), and PrintStatisticsReport().

const G4int G4MagInt_Driver::fMinNoVars

private

Definition at line 218 of file G4MagIntegratorDriver.hh.

G4int G4MagInt_Driver::fNoBadSteps

private

Definition at line 243 of file G4MagIntegratorDriver.hh.

Referenced by AccurateAdvance(), and PrintStatisticsReport().

G4int G4MagInt_Driver::fNoInitialSmallSteps

private

Definition at line 243 of file G4MagIntegratorDriver.hh.

Referenced by AccurateAdvance(), and PrintStatisticsReport().

const G4int G4MagInt_Driver::fNoIntegrationVariables

private

Definition at line 217 of file G4MagIntegratorDriver.hh.

Referenced by AccurateAdvance(), OneGoodStep(), PrintStatus(), and QuickAdvance().

G4int G4MagInt_Driver::fNoSmallSteps

private

Definition at line 243 of file G4MagIntegratorDriver.hh.

Referenced by AccurateAdvance(), and PrintStatisticsReport().

G4int G4MagInt_Driver::fNoTotalSteps

private

Definition at line 243 of file G4MagIntegratorDriver.hh.

Referenced by AccurateAdvance(), and PrintStatisticsReport().

const G4int G4MagInt_Driver::fNoVars

private

Definition at line 219 of file G4MagIntegratorDriver.hh.

Referenced by AccurateAdvance().

G4double G4MagInt_Driver::fSmallestFraction

private

Definition at line 213 of file G4MagIntegratorDriver.hh.

Referenced by AccurateAdvance(), and SetSmallestFraction().

G4int G4MagInt_Driver::fStatisticsVerboseLevel

private

Definition at line 234 of file G4MagIntegratorDriver.hh.

Referenced by G4MagInt_Driver(), and ~G4MagInt_Driver().

G4double G4MagInt_Driver::fSumH_lg

private

Definition at line 246 of file G4MagIntegratorDriver.hh.

Referenced by OneGoodStep(), and PrintStatisticsReport().

G4double G4MagInt_Driver::fSumH_sm

private

Definition at line 246 of file G4MagIntegratorDriver.hh.

Referenced by AccurateAdvance(), and PrintStatisticsReport().

G4int G4MagInt_Driver::fVerboseLevel

private

Definition at line 249 of file G4MagIntegratorDriver.hh.

Referenced by G4MagInt_Driver(), PrintStatus(), QuickAdvance(), and WarnSmallStepSize().

const G4double G4MagInt_Driver::max_stepping_decrease = 0.1

staticprivate

Definition at line 231 of file G4MagIntegratorDriver.hh.

Referenced by ComputeNewStepSize_WithinLimits().

const G4double G4MagInt_Driver::max_stepping_increase = 5.0

staticprivate

Definition at line 230 of file G4MagIntegratorDriver.hh.

Referenced by ComputeNewStepSize(), ComputeNewStepSize_WithinLimits(), and OneGoodStep().

G4double G4MagInt_Driver::pgrow

private

Definition at line 226 of file G4MagIntegratorDriver.hh.

G4MagIntegratorStepper* G4MagInt_Driver::pIntStepper

private

Definition at line 238 of file G4MagIntegratorDriver.hh.

Referenced by AccurateAdvance(), G4MagInt_Driver(), OneGoodStep(), and QuickAdvance().

G4double G4MagInt_Driver::pshrnk

private

Definition at line 225 of file G4MagIntegratorDriver.hh.

G4double G4MagInt_Driver::safety

private

Definition at line 224 of file G4MagIntegratorDriver.hh.

The documentation for this class was generated from the following files:

geant4.10.00.p01/source/geometry/magneticfield/include/G4MagIntegratorDriver.hh
geant4.10.00.p01/source/geometry/magneticfield/src/G4MagIntegratorDriver.cc

Private Attributes
G4double	fMinimumStep

G4double	fSmallestFraction

const G4int	fNoIntegrationVariables

const G4int	fMinNoVars

const G4int	fNoVars

G4int	fMaxNoSteps

G4double	safety

G4double	pshrnk

G4double	pgrow

G4double	errcon

G4int	fStatisticsVerboseLevel

G4MagIntegratorStepper *	pIntStepper

G4int	fNoTotalSteps

G4int	fNoBadSteps

G4int	fNoSmallSteps

G4int	fNoInitialSmallSteps

G4double	fDyerr_max

G4double	fDyerr_mx2

G4double	fDyerrPos_smTot

G4double	fDyerrPos_lgTot

G4double	fDyerrVel_lgTot

G4double	fSumH_sm

G4double	fSumH_lg

G4int	fVerboseLevel

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation