G4HelixExplicitEuler Class Reference

#include <G4HelixExplicitEuler.hh>

Inheritance diagram for G4HelixExplicitEuler:

Public Member Functions
	G4HelixExplicitEuler (G4Mag_EqRhs *EqRhs)
	~G4HelixExplicitEuler ()
void	Stepper (const G4double y[], const G4double *, G4double h, G4double yout[], G4double yerr[])
void	DumbStepper (const G4double y[], G4ThreeVector Bfld, G4double h, G4double yout[])
G4double	DistChord () const
G4int	IntegratorOrder () const

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Detailed Description

Definition at line 48 of file G4HelixExplicitEuler.hh.

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Constructor & Destructor Documentation

G4HelixExplicitEuler::G4HelixExplicitEuler

(

G4Mag_EqRhs *

EqRhs

)

[inline]

Definition at line 52 of file G4HelixExplicitEuler.hh.

      : G4MagHelicalStepper(EqRhs) {}

G4HelixExplicitEuler::~G4HelixExplicitEuler

(

)

[inline]

Definition at line 55 of file G4HelixExplicitEuler.hh.

{}

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Member Function Documentation

G4double G4HelixExplicitEuler::DistChord

(

)

const [virtual]

Reimplemented from G4MagHelicalStepper.

Definition at line 78 of file G4HelixExplicitEuler.cc.

References G4MagHelicalStepper::GetAngCurve(), G4MagHelicalStepper::GetRadHelix(), and G4INCL::Math::pi.

{
  // Implementation : must check whether h/R > 2 pi  !!
  //   If( h/R <  pi) use G4LineSection::DistLine
  //   Else           DistChord=R_helix
  //
  G4double distChord;
  G4double Ang_curve=GetAngCurve();

      
         if(Ang_curve<=pi){
           distChord=GetRadHelix()*(1-std::cos(0.5*Ang_curve));
         }
         else 
         if(Ang_curve<twopi){
           distChord=GetRadHelix()*(1+std::cos(0.5*(twopi-Ang_curve)));
         }
         else{
          distChord=2.*GetRadHelix();  
         }

  return distChord;
  
}

void G4HelixExplicitEuler::DumbStepper	(	const G4double	y[],
		G4ThreeVector	Bfld,
		G4double	h,
		G4double	yout[]
	)			[virtual]

Implements G4MagHelicalStepper.

Definition at line 103 of file G4HelixExplicitEuler.cc.

References G4MagHelicalStepper::AdvanceHelix().

{
    
       AdvanceHelix(yIn, Bfld, h, yOut);
               
}  

G4int G4HelixExplicitEuler::IntegratorOrder

(

)

const [inline, virtual]

Implements G4MagIntegratorStepper.

Definition at line 74 of file G4HelixExplicitEuler.hh.

{ return 1; }

void G4HelixExplicitEuler::Stepper	(	const G4double	y[],
		const G4double *	,
		G4double	h,
		G4double	yout[],
		G4double	yerr[]
	)

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

• G4HelixExplicitEuler.hh
• G4HelixExplicitEuler.cc

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