| Geant4 Cross Reference |
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24 // ******************************************* 21 // ********************************************************************
25 // 22 //
26 // G4VWeightWindowAlgorithm << 23 //
>> 24 // $Id: G4VWeightWindowAlgorithm.hh,v 1.2 2002/05/30 16:00:55 dressel Exp $
>> 25 // GEANT4 tag $Name: geant4-04-01 $
>> 26 //
>> 27 // ----------------------------------------------------------------------
>> 28 // Class G4VWeightWindowAlgorithm
27 // 29 //
28 // Class description: 30 // Class description:
29 // 31 //
30 // Interface class for a weight window algorit << 32 // This is a base class for an algorithm used for
31 // the number of tracks and their weight accor << 33 // weight window importance sampling. It calculates
32 // track weight and the lower energy bound in << 34 // the new weight of particles and the number of copies
33 // cell. << 35 // it should be split into according to the initial weight
>> 36 // of the track and the importance of the cell. The window
>> 37 // is defined by the values of Upper and Lower.
>> 38 //
>> 39 //
34 40
35 // Author: Michael Dressel (CERN), 2003 << 41 // Author: Michael Dressel (Michael.Dressel@cern.ch)
36 // ------------------------------------------- 42 // ----------------------------------------------------------------------
37 #ifndef G4VWEIGHTWINDOWALGORITHM_HH << 43 #ifndef G4VWeightWindowAlgorithm_hh
38 #define G4VWEIGHTWINDOWALGORITHM_HH 1 << 44 #define G4VWeightWindowAlgorithm_hh G4VWeightWindowAlgorithm_hh
39 45
40 #include "G4Nsplit_Weight.hh" 46 #include "G4Nsplit_Weight.hh"
41 47
42 class G4VWeightWindowAlgorithm 48 class G4VWeightWindowAlgorithm
43 { 49 {
44 public: // with description <<
45 50
46 G4VWeightWindowAlgorithm(); << 51 public: // with description
47 virtual ~G4VWeightWindowAlgorithm(); << 52
>> 53 virtual ~G4VWeightWindowAlgorithm(){}
>> 54
>> 55 virtual void SetUpperLimit(G4double Upper) = 0;
>> 56 // set upper limiting factor for window
>> 57
>> 58 virtual void SetLowerLimit(G4double Lower) = 0;
>> 59 // set lower limiting facotr for window
48 60
49 virtual G4Nsplit_Weight Calculate(G4double << 61 virtual G4Nsplit_Weight Calculate(G4double init_w,
50 G4double << 62 G4double importance) const = 0;
51 // calculate number of tracks and their << 63 // calculate the number of tracks and their weight according
52 // to the initial track weight and the l << 64 // to the upper and lower limmiting factors of the window
>> 65 // and the initial weight
>> 66
53 }; 67 };
54 68
55 #endif 69 #endif
56 70