G4Pow Class Reference

#include <G4Pow.hh>

Public Member Functions
G4double	Z13 (G4int Z)
G4double	A13 (G4double A)
G4double	Z23 (G4int Z)
G4double	A23 (G4double A)
G4double	logZ (G4int Z)
G4double	logA (G4double A)
G4double	log10Z (G4int Z)
G4double	log10A (G4double A)
G4double	powZ (G4int Z, G4double y)
G4double	powA (G4double A, G4double y)
G4double	powN (G4double x, G4int n)
G4double	factorial (G4int Z)
G4double	logfactorial (G4int Z)

Static Public Member Functions
static G4Pow *	GetInstance ()

Detailed Description

Definition at line 53 of file G4Pow.hh.

Member Function Documentation

A13()

G4double G4Pow::A13 ( G4double  A )

inline

Definition at line 115 of file G4Pow.hh.

{
  const G4double minA = 0.5000001; 
  const G4double maxA = 255.5; 
 
  G4double res;
  if((A >= minA) && (A <= maxA))
  {
    G4int i = G4int(A + 0.5);
    G4double x = (1.0 - A/G4double(i))*onethird;
    res = pz13[i]*(1.0 + x - x*x*(1.0 - 1.66666666*x));
  }
  else
  {
    res = std::pow(A, onethird); 
  }
  return res;
}

Referenced by G4AntiNuclElastic::CalculateAm(), G4TripathiLightCrossSection::GetElementCrossSection(), G4IonsShenCrossSection::GetIsoCrossSection(), and G4NistManager::GetZ13().

A23()

G4double G4Pow::A23 ( G4double  A )

inline

Definition at line 140 of file G4Pow.hh.

{
  G4double x = A13(A);
  return x*x;
}

factorial()

G4double G4Pow::factorial ( G4int  Z )

inline

Definition at line 190 of file G4Pow.hh.

{
  return fact[Z];
}

Referenced by G4PomeronCrossSection::GetCutPomeronProbability().

GetInstance()

G4Pow * G4Pow::GetInstance ( )

static

Definition at line 50 of file G4Pow.cc.

{
  if (fInstance == 0)
  {
    static G4Pow manager;
    fInstance = &manager;
  }
  return fInstance;
}

Referenced by G4GEMCoulombBarrier::CalcCompoundRadius(), G4GEMCoulombBarrierHE::CalcCompoundRadius(), G4AntiNuclElastic::CalculateAm(), G4E1SingleProbability1::EmissionProbDensity(), G4ContinuumGammaTransition::G4ContinuumGammaTransition(), G4E1Probability::G4E1Probability(), G4FermiConfigurationList::G4FermiConfigurationList(), G4FermiPhaseSpaceDecay::G4FermiPhaseSpaceDecay(), G4GEMChannel::G4GEMChannel(), G4GEMProbability::G4GEMProbability(), G4Generator2BS::G4Generator2BS(), G4HadronCrossSections::G4HadronCrossSections(), G4ICRU49NuclearStoppingModel::G4ICRU49NuclearStoppingModel(), G4IonisParamElm::G4IonisParamElm(), G4IonisParamMat::G4IonisParamMat(), G4PreCompoundEmission::G4PreCompoundEmission(), G4PreCompoundTransitions::G4PreCompoundTransitions(), G4VEmissionProbability::G4VEmissionProbability(), G4VPreCompoundFragment::G4VPreCompoundFragment(), G4WentzelOKandVIxSection::G4WentzelOKandVIxSection(), G4WentzelVIModel::G4WentzelVIModel(), G4WentzelVIRelModel::G4WentzelVIRelModel(), G4WentzelVIRelXSection::G4WentzelVIRelXSection(), G4AntiNuclElastic::GetcosTeta1(), G4CoulombBarrier::GetCoulombBarrier(), G4NeutronInelasticCrossSection::GetCrossSection(), G4PomeronCrossSection::GetCutPomeronProbability(), G4IonsSihverCrossSection::GetElementCrossSection(), G4TripathiLightCrossSection::GetElementCrossSection(), G4IonsShenCrossSection::GetIsoCrossSection(), G4AntiNuclElastic::SampleInvariantT(), G4HadronElastic::SampleInvariantT(), and G4DiscreteGammaTransition::SelectGamma().

log10A()

G4double G4Pow::log10A ( G4double  A )

inline

Definition at line 175 of file G4Pow.hh.

{
  return logA(A)/lz[10];
}

log10Z()

G4double G4Pow::log10Z ( G4int  Z )

inline

Definition at line 170 of file G4Pow.hh.

{
  return lz[Z]/lz[10];
}

logA()

G4double G4Pow::logA ( G4double  A )

inline

Definition at line 151 of file G4Pow.hh.

{
  const G4double minA = 0.5000001; 
  const G4double maxA = 255.5; 
 
  G4double res;
  if((A >= minA) && (A <= maxA))
  {
    G4int i = G4int(A + 0.5);
    G4double x = 1.0 - A/G4double(i);
    res = lz[i] + x*(1.0 - 0.5*x + onethird*x*x);
  }
  else
  {
    res = std::log(A);
  }
  return res;
}

Referenced by G4NistManager::GetLOGA(), log10A(), and powA().

logfactorial()

G4double G4Pow::logfactorial ( G4int  Z )

inline

Definition at line 195 of file G4Pow.hh.

{
  return logfact[Z];
}

logZ()

G4double G4Pow::logZ ( G4int  Z )

inline

Definition at line 146 of file G4Pow.hh.

{
  return lz[Z];
}

Referenced by G4GEMProbability::G4GEMProbability(), G4IonisParamElm::G4IonisParamElm(), G4IonisParamMat::G4IonisParamMat(), G4NeutronInelasticCrossSection::GetCrossSection(), G4NistManager::GetLOGZ(), G4PreCompoundProton::GetOpt2(), and G4DiscreteGammaTransition::SelectGamma().

powA()

G4double G4Pow::powA ( G4double  A, G4double  y  )

inline

Definition at line 185 of file G4Pow.hh.

{
  return std::exp(y*logA(A));
}

powN()

G4double G4Pow::powN	(	G4double	x,
		G4int	n
	)

Definition at line 98 of file G4Pow.cc.

{
  if(std::abs(n) > 8) { return std::pow(x, G4double(n)); }
  G4double res = 1.0;
  if(n >= 0) { for(G4int i=0; i<n; ++i) { res *= x; } }
  else if((n < 0) && (x != 0.0))
  {
    G4double y = 1.0/x;
    G4int nn = -n;
    for(G4int i=0; i<nn; ++i) { res *= y; }
  }
  return res;
}

Referenced by G4PreCompoundTransitions::CalculateProbability(), G4FermiConfigurationList::G4FermiConfigurationList(), G4PreCompoundIon::ProbabilityDistributionFunction(), and G4PreCompoundNucleon::ProbabilityDistributionFunction().

powZ()

G4double G4Pow::powZ ( G4int  Z, G4double  y  )

inline

Definition at line 180 of file G4Pow.hh.

{
  return std::exp(y*lz[Z]);
}

Referenced by G4E1Probability::EmissionProbDensity(), G4E1SingleProbability1::EmissionProbDensity(), G4ContinuumGammaTransition::G4ContinuumGammaTransition(), G4PreCompoundProton::GetOpt1(), G4PreCompoundAlpha::GetOpt12(), G4PreCompoundDeuteron::GetOpt12(), G4PreCompoundHe3::GetOpt12(), G4PreCompoundTriton::GetOpt12(), G4PreCompoundProton::GetOpt3(), G4PreCompoundAlpha::GetOpt34(), G4PreCompoundDeuteron::GetOpt34(), G4PreCompoundHe3::GetOpt34(), G4PreCompoundTriton::GetOpt34(), and G4HadronElastic::SampleInvariantT().

Z13()

G4double G4Pow::Z13 ( G4int  Z )

inline

Definition at line 110 of file G4Pow.hh.

{
  return pz13[Z];
}

Referenced by G4GEMProbability::CalcAlphaParam(), G4GEMCoulombBarrier::CalcCompoundRadius(), G4GEMCoulombBarrierHE::CalcCompoundRadius(), G4PreCompoundAlpha::CrossSection(), G4PreCompoundDeuteron::CrossSection(), G4PreCompoundHe3::CrossSection(), G4PreCompoundNeutron::CrossSection(), G4PreCompoundProton::CrossSection(), G4PreCompoundTriton::CrossSection(), G4FermiConfigurationList::G4FermiConfigurationList(), G4IonisParamElm::G4IonisParamElm(), G4WentzelOKandVIxSection::G4WentzelOKandVIxSection(), G4WentzelVIRelXSection::G4WentzelVIRelXSection(), G4HETCNeutron::GetAlpha(), G4CoulombBarrier::GetCoulombBarrier(), G4NeutronInelasticCrossSection::GetCrossSection(), G4IonsSihverCrossSection::GetElementCrossSection(), G4TripathiLightCrossSection::GetElementCrossSection(), G4HadronCrossSections::GetFissionCrossSection(), G4IonsShenCrossSection::GetIsoCrossSection(), G4NistManager::GetZ13(), G4VPreCompoundFragment::Initialize(), G4Generator2BS::SampleDirection(), G4AntiNuclElastic::SampleInvariantT(), G4HadronElastic::SampleInvariantT(), and Z23().

Z23()

G4double G4Pow::Z23 ( G4int  Z )

inline

Definition at line 134 of file G4Pow.hh.

{
  G4double x = Z13(Z);
  return x*x;
}

Referenced by G4GEMProbability::CalcBetaParam(), G4HETCNeutron::GetBeta(), G4AntiNuclElastic::GetcosTeta1(), G4HadronElastic::SampleInvariantT(), and G4WentzelOKandVIxSection::SetupTarget().

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

• G4Pow.hh
• G4Pow.cc