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G4ExactHelixStepper.hh
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// ********************************************************************
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//
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// $Id: G4ExactHelixStepper.hh 66356 2012-12-18 09:02:32Z gcosmo $
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//
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//
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// class G4ExactHelixStepper
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// -------------------
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// Class description:
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//
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// Concrete class for particle motion in constant magnetic field.
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// History:
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// - 28.Jan.05 J.Apostolakis Creation of new concrete class
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// --------------------------------------------------------------------
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#ifndef G4ExactHelixStepper_hh
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#define G4ExactHelixStepper_hh
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#include "
G4Types.hh
"
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#include "
G4ThreeVector.hh
"
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#include "
G4MagIntegratorStepper.hh
"
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#include "
G4MagHelicalStepper.hh
"
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#include "
G4Mag_EqRhs.hh
"
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class
G4ExactHelixStepper
:
public
G4MagHelicalStepper
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{
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public
:
// with description
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G4ExactHelixStepper
(
G4Mag_EqRhs
*EqRhs);
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~G4ExactHelixStepper
();
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void
Stepper
(
const
G4double
y
[],
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const
G4double
dydx[],
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G4double
h,
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G4double
yout[],
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G4double
yerr[] );
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// Step 'integration' for step size 'h'
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// Provides helix starting at y[0 to 6]
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// Outputs yout[] and ZERO estimated error yerr[]=0.
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void
DumbStepper
(
const
G4double
y[],
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G4ThreeVector
Bfld,
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G4double
h,
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G4double
yout[] );
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// Performs a 'dump' Step without error calculation.
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G4double
DistChord
()
const
;
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// Estimate maximum distance of curved solution and chord ...
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virtual
G4int
IntegratorOrder
()
const
;
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private
:
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G4ExactHelixStepper
(
const
G4ExactHelixStepper
&);
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G4ExactHelixStepper
& operator=(
const
G4ExactHelixStepper
&);
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// Private copy constructor and assignment operator.
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private
:
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G4ThreeVector
fBfieldValue;
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// Initial value of field at last step
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G4Mag_EqRhs
* fPtrMagEqOfMot;
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};
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#endif
/* G4ExactHelixStepper_hh */
G4MagIntegratorStepper.hh
CLHEP::Hep3Vector
Definition:
ThreeVector.h:41
G4ExactHelixStepper::Stepper
void Stepper(const G4double y[], const G4double dydx[], G4double h, G4double yout[], G4double yerr[])
Definition:
G4ExactHelixStepper.cc:56
G4Types.hh
G4ExactHelixStepper::DistChord
G4double DistChord() const
Definition:
G4ExactHelixStepper.cc:99
G4int
int G4int
Definition:
G4Types.hh:78
y
Double_t y
Definition:
plot.C:279
G4ExactHelixStepper::IntegratorOrder
virtual G4int IntegratorOrder() const
Definition:
G4ExactHelixStepper.cc:125
G4ExactHelixStepper::~G4ExactHelixStepper
~G4ExactHelixStepper()
Definition:
G4ExactHelixStepper.cc:53
G4MagHelicalStepper.hh
G4ExactHelixStepper
Definition:
G4ExactHelixStepper.hh:49
G4ExactHelixStepper::DumbStepper
void DumbStepper(const G4double y[], G4ThreeVector Bfld, G4double h, G4double yout[])
Definition:
G4ExactHelixStepper.cc:81
G4MagHelicalStepper
Definition:
G4MagHelicalStepper.hh:53
G4Mag_EqRhs
Definition:
G4Mag_EqRhs.hh:49
G4double
double G4double
Definition:
G4Types.hh:76
G4ThreeVector.hh
G4Mag_EqRhs.hh
G4ExactHelixStepper::G4ExactHelixStepper
G4ExactHelixStepper(G4Mag_EqRhs *EqRhs)
Definition:
G4ExactHelixStepper.cc:45
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