FieldStepper Class Reference

#include <FieldStepper.h>

Inheritance diagram for FieldStepper:

Public Member Functions
G4double	DistChord () const override
	FieldStepper (G4Mag_UsualEqRhs *eq, double del, const std::string &name)
G4int	IntegratorOrder () const override
void	Stepper (const G4double y[], const G4double dydx[], G4double h, G4double yout[], G4double yerr[]) override
	~FieldStepper () override

Private Member Functions
void	selectStepper (const std::string &)

Private Attributes
double	theDelta
G4Mag_UsualEqRhs *	theEquation
G4MagIntegratorStepper *	theStepper

Detailed Description

Definition at line 8 of file FieldStepper.h.

Constructor & Destructor Documentation

FieldStepper()

FieldStepper::FieldStepper ( G4Mag_UsualEqRhs *  eq, double  del, const std::string &  name  )

explicit

Definition at line 26 of file FieldStepper.cc.

References selectStepper().

    : G4MagIntegratorStepper(eq, 6), theEquation(eq), theDelta(del) {
  selectStepper(nam);
}

~FieldStepper()

FieldStepper::~FieldStepper ( )

override

Definition at line 31 of file FieldStepper.cc.

{}

Member Function Documentation

DistChord()

G4double FieldStepper::DistChord ( ) const

override

Definition at line 37 of file FieldStepper.cc.

References theStepper.

{ return theStepper->DistChord(); }

IntegratorOrder()

G4int FieldStepper::IntegratorOrder ( ) const

override

Definition at line 39 of file FieldStepper.cc.

References theStepper.

{ return theStepper->IntegratorOrder(); }

selectStepper()

void FieldStepper::selectStepper ( const std::string &  ss )

private

Definition at line 41 of file FieldStepper.cc.

References contentValuesCheck::ss, theDelta, theEquation, and theStepper.

Referenced by FieldStepper().

                                                    {
  if (ss == "G4ClassicalRK4")
    theStepper = new G4ClassicalRK4(theEquation);
  else if (ss == "G4TClassicalRK4")
    theStepper = new G4TClassicalRK4<G4Mag_UsualEqRhs, 8>(theEquation);
  else if (ss == "G4NystromRK4")
    theStepper = new G4NystromRK4(theEquation, theDelta);
  else if (ss == "G4SimpleRunge")
    theStepper = new G4SimpleRunge(theEquation);
  else if (ss == "G4SimpleHeum")
    theStepper = new G4SimpleHeum(theEquation);
  else if (ss == "G4CashKarpRKF45")
    theStepper = new G4CashKarpRKF45(theEquation);
  else if (ss == "G4TCashKarpRKF45")
    theStepper = new G4TCashKarpRKF45<G4Mag_UsualEqRhs>(theEquation);
  else if (ss == "G4DormandPrince745")
    theStepper = new G4DormandPrince745(theEquation);
  else if (ss == "G4TDormandPrince45")
    theStepper = new G4TDormandPrince45<G4TMagFieldEquation<sim::Field>>(
        dynamic_cast<G4TMagFieldEquation<sim::Field> *>(theEquation));
  else if (ss == "CMSTDormandPrince45")
    theStepper = new CMSTDormandPrince45<CMSTMagFieldEquation<sim::Field>>(
        dynamic_cast<CMSTMagFieldEquation<sim::Field> *>(theEquation));
  else if (ss == "G4BogackiShampine45")
    theStepper = new G4BogackiShampine45(theEquation);
  else if (ss == "G4TsitourasRK45")
    theStepper = new G4TsitourasRK45(theEquation);
  else if (ss == "G4ImplicitEuler")
    theStepper = new G4ImplicitEuler(theEquation);
  else if (ss == "G4HelixExplicitEuler")
    theStepper = new G4HelixExplicitEuler(theEquation);
  else if (ss == "G4HelixImplicitEuler")
    theStepper = new G4HelixImplicitEuler(theEquation);
  else if (ss == "G4HelixSimpleRunge")
    theStepper = new G4HelixSimpleRunge(theEquation);
  else if (ss == "G4HelixHeum")
    theStepper = new G4HelixHeum(theEquation);
  else {
    edm::LogWarning("SimG4CoreMagneticField")
        << " FieldStepper <" << ss << "> is not known, defaulting to G4ClassicalRK4 ";
    theStepper = new G4ClassicalRK4(theEquation);
  }
  edm::LogVerbatim("SimG4CoreMagneticField") << "### FieldStepper: <" << ss << ">";
}

Stepper()

void FieldStepper::Stepper ( const G4double  y[], const G4double  dydx[], G4double  h, G4double  yout[], G4double  yerr[]  )

override

Definition at line 33 of file FieldStepper.cc.

References h, theStepper, and y.

                                                                                                                  {
  theStepper->Stepper(y, dydx, h, yout, yerr);
}

Member Data Documentation

theDelta

double FieldStepper::theDelta

private

Definition at line 23 of file FieldStepper.h.

Referenced by selectStepper().

theEquation

G4Mag_UsualEqRhs* FieldStepper::theEquation

private

Definition at line 22 of file FieldStepper.h.

Referenced by selectStepper().

theStepper

G4MagIntegratorStepper* FieldStepper::theStepper

private

Definition at line 21 of file FieldStepper.h.

Referenced by DistChord(), IntegratorOrder(), selectStepper(), and Stepper().