Geant4  10.03.p03
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
G4BOptnChangeCrossSection.hh
Go to the documentation of this file.
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 //
27 // $Id: $
28 //
29 //---------------------------------------------------------------
30 //
31 // G4BOptnChangeCrossSection
32 //
33 // Class Description:
34 // A G4VBiasingOperation to change a process cross-section.
35 //
36 //
37 //---------------------------------------------------------------
38 // Initial version Nov. 2013 M. Verderi
39 
40 
41 #ifndef G4BOptnChangeCrossSection_hh
42 #define G4BOptnChangeCrossSection_hh 1
43 
44 #include "G4VBiasingOperation.hh"
46 
48 public:
49  // -- Constructor :
51  // -- destructor:
53 
54 public:
55  // -- Methods from G4VBiasingOperation interface:
56  // ----------------------------------------------
57  // -- Used:
59  G4ForceCondition& proposeForceCondition );
60 
61  // -- Unused:
63  const G4Track*,
64  const G4Step*,
65  G4bool& ) {return 0;}
67  G4double,
68  G4ForceCondition*) {return DBL_MAX;}
70  const G4Step* ) {return 0;}
71 
72 public:
73  // -- Additional methods, specific to this class:
74  // ----------------------------------------------
75  // -- return concrete type of interaction law:
76  G4InteractionLawPhysical* GetBiasedExponentialLaw() {return fBiasedExponentialLaw;}
77  // -- set biased cross-section:
80  // -- Sample underneath distribution:
81  void Sample();
82  // -- Update for a made step, without resampling:
83  void UpdateForStep( G4double stepLength );
84  // -- set/get if interaction occured.
85  // -- Interaction flag turned off in "Sample()" method.
86  G4bool GetInteractionOccured() const { return fInteractionOccured; }
87  void SetInteractionOccured() { fInteractionOccured = true; }
88 
89 
90 
91 private:
92  G4InteractionLawPhysical* fBiasedExponentialLaw;
93  G4bool fInteractionOccured;
94 };
95 
96 #endif
const XML_Char * name
Definition: expat.h:151
G4InteractionLawPhysical * GetBiasedExponentialLaw()
virtual G4double DistanceToApplyOperation(const G4Track *, G4double, G4ForceCondition *)
bool G4bool
Definition: G4Types.hh:79
Definition: G4Step.hh:76
virtual G4VParticleChange * ApplyFinalStateBiasing(const G4BiasingProcessInterface *, const G4Track *, const G4Step *, G4bool &)
virtual const G4VBiasingInteractionLaw * ProvideOccurenceBiasingInteractionLaw(const G4BiasingProcessInterface *, G4ForceCondition &proposeForceCondition)
double G4double
Definition: G4Types.hh:76
G4ForceCondition
virtual G4VParticleChange * GenerateBiasingFinalState(const G4Track *, const G4Step *)
#define DBL_MAX
Definition: templates.hh:83
void UpdateForStep(G4double stepLength)