Geant4 11.2.2
Toolkit for the simulation of the passage of particles through matter
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G4ParticleHPSimpleEvapSpectrum Class Reference

#include <G4ParticleHPSimpleEvapSpectrum.hh>

+ Inheritance diagram for G4ParticleHPSimpleEvapSpectrum:

Public Member Functions

 G4ParticleHPSimpleEvapSpectrum ()
 
 ~G4ParticleHPSimpleEvapSpectrum () override=default
 
void Init (std::istream &aDataFile) override
 
G4double GetFractionalProbability (G4double anEnergy) override
 
G4double Sample (G4double anEnergy) override
 
- Public Member Functions inherited from G4VParticleHPEDis
 G4VParticleHPEDis ()=default
 
virtual ~G4VParticleHPEDis ()=default
 

Detailed Description

Definition at line 46 of file G4ParticleHPSimpleEvapSpectrum.hh.

Constructor & Destructor Documentation

◆ G4ParticleHPSimpleEvapSpectrum()

G4ParticleHPSimpleEvapSpectrum::G4ParticleHPSimpleEvapSpectrum ( )
inline

Definition at line 49 of file G4ParticleHPSimpleEvapSpectrum.hh.

49{ expm1 = G4Exp(-1.); }
G4double G4Exp(G4double initial_x)
Exponential Function double precision.
Definition G4Exp.hh:180

◆ ~G4ParticleHPSimpleEvapSpectrum()

G4ParticleHPSimpleEvapSpectrum::~G4ParticleHPSimpleEvapSpectrum ( )
overridedefault

Member Function Documentation

◆ GetFractionalProbability()

G4double G4ParticleHPSimpleEvapSpectrum::GetFractionalProbability ( G4double anEnergy)
inlineoverridevirtual

Implements G4VParticleHPEDis.

Definition at line 58 of file G4ParticleHPSimpleEvapSpectrum.hh.

59 {
60 return theFractionalProb.GetY(anEnergy);
61 }
G4double GetY(G4double x)

◆ Init()

void G4ParticleHPSimpleEvapSpectrum::Init ( std::istream & aDataFile)
inlineoverridevirtual

Implements G4VParticleHPEDis.

Definition at line 52 of file G4ParticleHPSimpleEvapSpectrum.hh.

53 {
54 theFractionalProb.Init(aDataFile, CLHEP::eV);
55 theThetaDist.Init(aDataFile, CLHEP::eV);
56 }
void Init(std::istream &aDataFile, G4int total, G4double ux=1., G4double uy=1.)

◆ Sample()

G4double G4ParticleHPSimpleEvapSpectrum::Sample ( G4double anEnergy)
inlineoverridevirtual

Implements G4VParticleHPEDis.

Definition at line 63 of file G4ParticleHPSimpleEvapSpectrum.hh.

64 {
65 G4double theta = theThetaDist.GetY(anEnergy) * CLHEP::eV;
66 G4double random, cut, max, result = 0.;
67 max = 10. * theta;
68 G4int icounter = 0;
69 G4int icounter_max = 1024;
70 do {
71 icounter++;
72 if (icounter > icounter_max) {
73 G4cout << "Loop-counter exceeded the threshold value at " << __LINE__ << "th line of "
74 << __FILE__ << "." << G4endl;
75 break;
76 }
77 random = G4UniformRand();
78 result = -theta * G4Log(random);
79 cut = G4UniformRand();
80 } while (cut > result / max); // Loop checking, 11.05.2015, T. Koi
81 return result;
82 }
G4double G4Log(G4double x)
Definition G4Log.hh:227
double G4double
Definition G4Types.hh:83
int G4int
Definition G4Types.hh:85
#define G4endl
Definition G4ios.hh:67
G4GLOB_DLL std::ostream G4cout
#define G4UniformRand()
Definition Randomize.hh:52
T max(const T t1, const T t2)
brief Return the largest of the two arguments

The documentation for this class was generated from the following file: