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geant4/source/geometry/magneticfield/include/G4BFieldIntegrationDriver.hh
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2018-12-07 15:15:39 +01:00

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//
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//
//
// class G4BFieldIntegrationDriver
//
// Class description:
//
// Specialized integration driver for pure magnetic field
// History:
// - Created. D.Sorokin
// --------------------------------------------------------------------
#ifndef G4BFieldIntegrationDriver_HH
#define G4BFieldIntegrationDriver_HH
#include "G4IntegrationDriver.hh"
#include "G4HelixExplicitEuler.hh"
template <class T>
class G4BFieldIntegrationDriver : public G4IntegrationDriver<T> {
public:
G4BFieldIntegrationDriver( G4double hminimum,
T* stepper,
G4int numberOfComponents = 6,
G4int statisticsVerbosity = 1);
G4BFieldIntegrationDriver(const G4BFieldIntegrationDriver &) = delete;
const G4BFieldIntegrationDriver& operator =(const G4BFieldIntegrationDriver &) = delete;
virtual G4bool QuickAdvance(
G4FieldTrack& fieldTrack,
const G4double dydx[],
G4double hstep,
G4double inverseCurvatureRadius,
G4double& dchord_step,
G4double& dyerr) override;
virtual void SetEquationOfMotion(G4EquationOfMotion* equation) override;
virtual G4double GetInverseCurvatureRadius(const G4FieldTrack& track,
G4double field[]) const override;
private:
G4double fallbackThreshold;
G4Mag_EqRhs* fequation;
G4HelixExplicitEuler fallbackStepper;
};
#include "G4BFieldIntegrationDriver.icc"
#endif