Geant4  10.03
G4TsitourasRK45.hh
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27 // G4TsitourasRK45.hh
28 // Geant4
29 //
30 // Created by hackabot on 11/06/15.
31 //
32 //
33 
34 #ifndef Tsitouras_RK45
35 #define Tsitouras_RK45
36 
38 
40 {
41 public:
43  G4int numberOfVariables = 6,
44  G4bool primary = true);
46 
47  void Stepper( const G4double y[],
48  const G4double dydx[],
49  G4double h,
50  G4double yout[],
51  G4double yerr[] ) ;
52 
53  void SetupInterpolation( /* const G4double yInput[],
54  const G4double dydx[],
55  const G4double Step */ );
56 
57  //For calculating the output at the tau fraction of Step
58  void Interpolate( const G4double yInput[],
59  const G4double dydx[],
60  const G4double Step,
61  G4double yOut[],
62  G4double tau );
63 
64 
65  void interpolate( const G4double yInput[],
66  const G4double dydx[],
67  G4double yOut[],
68  G4double Step,
69  G4double tau);
70 
71  G4double DistChord() const;
72  G4int IntegratorOrder() const {return 4; }
73 
74 // G4double *getLastDydx();
75 
76 private :
77 
80 
81  G4double *ak2, *ak3, *ak4, *ak5, *ak6, *ak7, *ak8, *yTemp, *yIn;
82 
86  // for DistChord calculations
87 
89 };
90 
91 
92 
93 #endif /* defined(__Geant4__G4TsitourasRK45__) */
G4int IntegratorOrder() const
G4double DistChord() const
G4TsitourasRK45 & operator=(const G4TsitourasRK45 &)
G4double * fMidVector
G4TsitourasRK45 * fAuxStepper
int G4int
Definition: G4Types.hh:78
G4double * fLastInitialVector
void Stepper(const G4double y[], const G4double dydx[], G4double h, G4double yout[], G4double yerr[])
G4double * fLastFinalVector
G4double * fMidError
bool G4bool
Definition: G4Types.hh:79
void interpolate(const G4double yInput[], const G4double dydx[], G4double yOut[], G4double Step, G4double tau)
G4double fLastStepLength
Definition: Step.hh:41
G4TsitourasRK45(G4EquationOfMotion *EqRhs, G4int numberOfVariables=6, G4bool primary=true)
double G4double
Definition: G4Types.hh:76
G4double * fLastDyDx
void Interpolate(const G4double yInput[], const G4double dydx[], const G4double Step, G4double yOut[], G4double tau)