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25 // 25 //
26 // G4EqMagElectricField 26 // G4EqMagElectricField
27 // 27 //
28 // Class description: 28 // Class description:
29 // 29 //
30 // This is the right-hand side of equation of 30 // This is the right-hand side of equation of motion in a combined
31 // electric and magnetic field. 31 // electric and magnetic field.
32 32
33 // Created: V.Grichine, 10.11.1998 33 // Created: V.Grichine, 10.11.1998
34 // ------------------------------------------- 34 // -------------------------------------------------------------------
35 #ifndef G4EQMAGELECTRICFIELD_HH 35 #ifndef G4EQMAGELECTRICFIELD_HH
36 #define G4EQMAGELECTRICFIELD_HH 36 #define G4EQMAGELECTRICFIELD_HH
37 37
38 #include "G4ChargeState.hh" 38 #include "G4ChargeState.hh"
39 #include "G4EquationOfMotion.hh" 39 #include "G4EquationOfMotion.hh"
40 #include "G4ElectroMagneticField.hh" 40 #include "G4ElectroMagneticField.hh"
41 41
42 class G4EqMagElectricField : public G4Equation 42 class G4EqMagElectricField : public G4EquationOfMotion
43 { 43 {
44 public: << 44 public: // with description
45 45
46 G4EqMagElectricField(G4ElectroMagneticFiel 46 G4EqMagElectricField(G4ElectroMagneticField* emField );
47 ~G4EqMagElectricField() override; << 47
>> 48 ~G4EqMagElectricField();
48 49
49 void SetChargeMomentumMass(G4ChargeState 50 void SetChargeMomentumMass(G4ChargeState particleCharge, // in e+ units
50 G4double Momen 51 G4double MomentumXc,
51 G4double mass) << 52 G4double mass);
52 53
53 void EvaluateRhsGivenB(const G4double y[], 54 void EvaluateRhsGivenB(const G4double y[],
54 const G4double Fiel 55 const G4double Field[],
55 G4double dydx << 56 G4double dydx[] ) const;
56 // Given the value of the electromagneti 57 // Given the value of the electromagnetic field, this function
57 // calculates the value of the derivativ 58 // calculates the value of the derivative dydx.
58 59
59 private: 60 private:
60 61
61 G4double fElectroMagCof = 0.0; 62 G4double fElectroMagCof = 0.0;
62 G4double fMassCof = 0.0; 63 G4double fMassCof = 0.0;
63 }; 64 };
64 65
65 #endif 66 #endif
66 67