Geant4_10
G4BOptnForceFreeFlight.cc
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27 #include "G4ILawForceFreeFlight.hh"
28 #include "G4Step.hh"
29 
30 
31 
33  : G4VBiasingOperation(name)
34 {
35  fForceFreeFlightInteractionLaw = new G4ILawForceFreeFlight("LawForOperation"+name);
36 }
37 
39 {}
40 
42 {
43  return fForceFreeFlightInteractionLaw;
44 }
45 
47 {
48  // -- force free flight always deny process to apply its doit.
49  // -- if reaching boundary, track is restored with non-zero weight
50  if ( fInitialTrackWeight <= DBL_MIN )
51  {
53  ed << " Initial track weight is null ! " << G4endl;
54  G4Exception(" G4BOptnForceFreeFlight::DenyProcessPostStepDoIt(...)",
55  "BIAS.GEN.05",
57  ed);
58  }
59  if ( fCumulatedWeightChange <= DBL_MIN )
60  {
62  ed << " Cumulated weight is null ! " << G4endl;
63  G4Exception(" G4BOptnForceFreeFlight::DenyProcessPostStepDoIt(...)",
64  "BIAS.GEN.06",
66  ed);
67  }
68  if ( step->GetPostStepPoint()->GetStepStatus() == fGeomBoundary )
69  {
70  if ( proposedWeight <= DBL_MIN ) proposedWeight = fCumulatedWeightChange * fInitialTrackWeight;
71  else proposedWeight *= fCumulatedWeightChange;
72  }
73 
74  return true;
75 }
76 
78 {
79  fCumulatedWeightChange *= weightChange;
80 }
virtual const G4VBiasingInteractionLaw * ProvideOccurenceBiasingInteractionLaw(const G4BiasingProcessInterface *)
std::ostringstream G4ExceptionDescription
Definition: globals.hh:76
G4StepStatus GetStepStatus() const
const XML_Char * name
Definition: expat.h:151
bool G4bool
Definition: G4Types.hh:79
Definition: G4Step.hh:76
void G4Exception(const char *originOfException, const char *exceptionCode, G4ExceptionSeverity severity, const char *comments)
Definition: G4Exception.cc:41
virtual G4bool DenyProcessPostStepDoIt(const G4BiasingProcessInterface *, const G4Track *, const G4Step *, G4double &)
G4StepPoint * GetPostStepPoint() const
#define DBL_MIN
Definition: templates.hh:75
#define G4endl
Definition: G4ios.hh:61
virtual void AlongMoveBy(const G4BiasingProcessInterface *, const G4Step *, G4double)
double G4double
Definition: G4Types.hh:76