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27 // P. Arce, June-2014 Conversion neutron_hp to 27 // P. Arce, June-2014 Conversion neutron_hp to particle_hp
28 // 28 //
29 #ifndef G4ParticleHPSimpleEvapSpectrum_h 29 #ifndef G4ParticleHPSimpleEvapSpectrum_h
30 #define G4ParticleHPSimpleEvapSpectrum_h 1 30 #define G4ParticleHPSimpleEvapSpectrum_h 1
31 31
>> 32 #include <fstream>
>> 33 #include <CLHEP/Units/SystemOfUnits.h>
>> 34
>> 35 #include "globals.hh"
>> 36 #include "G4ios.hh"
>> 37 #include "Randomize.hh"
32 #include "G4Exp.hh" 38 #include "G4Exp.hh"
33 #include "G4Log.hh" 39 #include "G4Log.hh"
34 #include "G4ParticleHPVector.hh" 40 #include "G4ParticleHPVector.hh"
35 #include "G4VParticleHPEDis.hh" 41 #include "G4VParticleHPEDis.hh"
36 #include "G4ios.hh" <<
37 #include "Randomize.hh" <<
38 #include "globals.hh" <<
39 <<
40 #include <CLHEP/Units/SystemOfUnits.h> <<
41 <<
42 #include <fstream> <<
43 42
44 // we will need a List of these .... one per t 43 // we will need a List of these .... one per term.
45 44
46 class G4ParticleHPSimpleEvapSpectrum : public 45 class G4ParticleHPSimpleEvapSpectrum : public G4VParticleHPEDis
47 { 46 {
48 public: 47 public:
49 G4ParticleHPSimpleEvapSpectrum() { expm1 = << 48 G4ParticleHPSimpleEvapSpectrum()
50 ~G4ParticleHPSimpleEvapSpectrum() override << 49 {
51 << 50 expm1 = G4Exp(-1.);
52 inline void Init(std::istream& aDataFile) << 51 }
53 { << 52 ~G4ParticleHPSimpleEvapSpectrum()
54 theFractionalProb.Init(aDataFile, CLHEP: << 53 {
55 theThetaDist.Init(aDataFile, CLHEP::eV); << 54 }
56 } << 55
57 << 56 inline void Init(std::istream & aDataFile)
58 inline G4double GetFractionalProbability(G << 57 {
59 { << 58 theFractionalProb.Init(aDataFile, CLHEP::eV);
60 return theFractionalProb.GetY(anEnergy); << 59 theThetaDist.Init(aDataFile, CLHEP::eV);
61 } << 60 }
62 << 61
63 inline G4double Sample(G4double anEnergy) << 62 inline G4double GetFractionalProbability(G4double anEnergy)
>> 63 {
>> 64 return theFractionalProb.GetY(anEnergy);
>> 65 }
>> 66
>> 67 inline G4double Sample(G4double anEnergy)
>> 68 {
>> 69 G4double theta = theThetaDist.GetY(anEnergy)*CLHEP::eV;
>> 70 G4double random, cut, max, result;
>> 71 max = 10.*theta;
>> 72 G4int icounter=0;
>> 73 G4int icounter_max=1024;
>> 74 do
64 { 75 {
65 G4double theta = theThetaDist.GetY(anEne << 76 icounter++;
66 G4double random, cut, max, result = 0.; << 77 if ( icounter > icounter_max ) {
67 max = 10. * theta; << 78 G4cout << "Loop-counter exceeded the threshold value at " << __LINE__ << "th line of " << __FILE__ << "." << G4endl;
68 G4int icounter = 0; << 79 break;
69 G4int icounter_max = 1024; << 80 }
70 do { << 81 random = G4UniformRand();
71 icounter++; << 82 result = -theta*G4Log(random);
72 if (icounter > icounter_max) { << 83 cut = G4UniformRand();
73 G4cout << "Loop-counter exceeded the <<
74 << __FILE__ << "." << G4endl; <<
75 break; <<
76 } <<
77 random = G4UniformRand(); <<
78 result = -theta * G4Log(random); <<
79 cut = G4UniformRand(); <<
80 } while (cut > result / max); // Loop c <<
81 return result; <<
82 } 84 }
83 << 85 while(cut>result/max); // Loop checking, 11.05.2015, T. Koi
>> 86 return result;
>> 87 }
>> 88
84 private: 89 private:
85 inline G4double Evapo(G4double anEnergy, G << 90
86 { << 91 inline G4double Evapo(G4double anEnergy, G4double theta)
87 G4double result = (anEnergy * CLHEP::eV) << 92 {
88 return result; << 93 G4double result = (anEnergy*CLHEP::eV)*G4Exp(-anEnergy*CLHEP::eV/theta);
89 } << 94 return result;
90 << 95 }
>> 96
91 private: 97 private:
92 G4double expm1; << 98
93 << 99 G4double expm1;
94 G4ParticleHPVector theFractionalProb; << 100
95 << 101 G4ParticleHPVector theFractionalProb;
96 G4ParticleHPVector theThetaDist; << 102
>> 103 G4ParticleHPVector theThetaDist;
>> 104
97 }; 105 };
98 106
99 #endif 107 #endif
100 108