Geant4  10.03.p03
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G4ExplicitEuler Class Reference

#include <G4ExplicitEuler.hh>

Inheritance diagram for G4ExplicitEuler:
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Public Member Functions

 G4ExplicitEuler (G4EquationOfMotion *EqRhs, G4int numberOfVariables=6)
 
 ~G4ExplicitEuler ()
 
void DumbStepper (const G4double y[], const G4double dydx[], G4double h, G4double yout[])
 
G4int IntegratorOrder () const
 
- Public Member Functions inherited from G4MagErrorStepper
 G4MagErrorStepper (G4EquationOfMotion *EqRhs, G4int numberOfVariables, G4int numStateVariables=12)
 
virtual ~G4MagErrorStepper ()
 
void Stepper (const G4double y[], const G4double dydx[], G4double h, G4double yout[], G4double yerr[])
 
G4double DistChord () const
 
- Public Member Functions inherited from G4MagIntegratorStepper
 G4MagIntegratorStepper (G4EquationOfMotion *Equation, G4int numIntegrationVariables, G4int numStateVariables=12, bool isFSAL=false)
 
virtual ~G4MagIntegratorStepper ()
 
virtual void ComputeRightHandSide (const G4double y[], G4double dydx[])
 
void NormaliseTangentVector (G4double vec[6])
 
void NormalisePolarizationVector (G4double vec[12])
 
void RightHandSide (const double y[], double dydx[])
 
G4int GetNumberOfVariables () const
 
G4int GetNumberOfStateVariables () const
 
G4int IntegrationOrder ()
 
G4EquationOfMotion * GetEquationOfMotion ()
 
void SetEquationOfMotion (G4EquationOfMotion *newEquation)
 
unsigned long GetfNoRHSCalls ()
 
void ResetfNORHSCalls ()
 
bool IsFSAL ()
 

Additional Inherited Members

- Protected Member Functions inherited from G4MagIntegratorStepper
void SetIntegrationOrder (int order)
 
void SetFSAL (bool flag=true)
 

Detailed Description

Definition at line 48 of file G4ExplicitEuler.hh.

Constructor & Destructor Documentation

G4ExplicitEuler::G4ExplicitEuler ( G4EquationOfMotion *  EqRhs,
G4int  numberOfVariables = 6 
)

Definition at line 45 of file G4ExplicitEuler.cc.

47  : G4MagErrorStepper(EqRhs, numberOfVariables)
48 {
49 }
G4MagErrorStepper::G4MagErrorStepper
G4MagErrorStepper(G4EquationOfMotion *EqRhs, G4int numberOfVariables, G4int numStateVariables=12)
G4ExplicitEuler::~G4ExplicitEuler ( )

Definition at line 56 of file G4ExplicitEuler.cc.

57 {
58 }

Member Function Documentation

void G4ExplicitEuler::DumbStepper ( const G4double  y[],
const G4double  dydx[],
G4double  h,
G4double  yout[] 
)
virtual

Implements G4MagErrorStepper.

Definition at line 66 of file G4ExplicitEuler.cc.

70 {
71  const G4int numberOfVariables= GetNumberOfVariables();
72 
73  // Initialise time to t0, needed when it is not updated by the integration.
74  // yOut[7] = yIn[7]; // Better to set it to NaN; // TODO
75 
76  G4int i;
77 
78  for(i=0;i< numberOfVariables;i++)
79  {
80  yOut[i] = yIn[i] + h*dydx[i] ; // 1st and only Step
81  }
82 
83  return ;
84 }
G4int
int G4int
Definition: G4Types.hh:78
G4MagIntegratorStepper::GetNumberOfVariables
G4int GetNumberOfVariables() const

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G4int G4ExplicitEuler::IntegratorOrder ( ) const
inlinevirtual

Implements G4MagIntegratorStepper.

Definition at line 63 of file G4ExplicitEuler.hh.

63 { return 1; }
The documentation for this class was generated from the following files: