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geant4/source/particles/management/include/G4DynamicParticle.icc
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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// G4DynamicParticle inline implementation
//
// 17.08.1999 - H.Kurashige
// --------------------------------------------------------------------
extern G4PART_DLL G4Allocator<G4DynamicParticle>*& pDynamicParticleAllocator();
// ------------------------
// Inlined operators
// ------------------------
inline void * G4DynamicParticle::operator new(size_t)
{
if (pDynamicParticleAllocator() == nullptr)
pDynamicParticleAllocator() = new G4Allocator<G4DynamicParticle>;
return pDynamicParticleAllocator()->MallocSingle();
}
inline void G4DynamicParticle::operator delete(void * aDynamicParticle)
{
pDynamicParticleAllocator()
->FreeSingle((G4DynamicParticle *) aDynamicParticle);
}
// ------------------------
// Inlined functions
// ------------------------
inline const G4ElectronOccupancy*
G4DynamicParticle::GetElectronOccupancy() const
{
return theElectronOccupancy;
}
inline G4int G4DynamicParticle::GetTotalOccupancy() const
{
return (theElectronOccupancy) ? theElectronOccupancy->GetTotalOccupancy() : 0;
}
inline G4int G4DynamicParticle::GetOccupancy(G4int orbit) const
{
return (theElectronOccupancy) ? theElectronOccupancy->GetOccupancy(orbit) : 0;
}
inline void G4DynamicParticle::AddElectron(G4int orbit, G4int number)
{
if (theElectronOccupancy == nullptr) { AllocateElectronOccupancy(); }
if (theElectronOccupancy != nullptr)
{
G4int n = theElectronOccupancy->AddElectron(orbit, number);
theDynamicalCharge -= CLHEP::eplus * n;
theDynamicalMass += CLHEP::electron_mass_c2 * n;
}
}
inline void G4DynamicParticle::RemoveElectron(G4int orbit, G4int number)
{
if (theElectronOccupancy == nullptr) { AllocateElectronOccupancy(); }
if (theElectronOccupancy != nullptr)
{
G4int n = theElectronOccupancy->RemoveElectron(orbit, number);
theDynamicalCharge += CLHEP::eplus * n;
theDynamicalMass -= CLHEP::electron_mass_c2 * n;
}
}
inline G4double G4DynamicParticle::GetCharge() const
{
return theDynamicalCharge;
}
inline void G4DynamicParticle::SetCharge(G4double newCharge)
{
theDynamicalCharge = newCharge;
}
inline void G4DynamicParticle::SetCharge(G4int newCharge)
{
theDynamicalCharge = newCharge*CLHEP::eplus;
}
inline G4double G4DynamicParticle::GetMass() const
{
return theDynamicalMass;
}
inline void G4DynamicParticle::SetMass(G4double newMass)
{
if(theDynamicalMass != newMass)
{
theDynamicalMass = std::max(newMass, 0.0);
theBeta = -1.0;
}
}
inline G4double G4DynamicParticle::GetSpin() const
{
return theDynamicalSpin;
}
inline void G4DynamicParticle::SetSpin(G4double spin)
{
theDynamicalSpin = spin;
}
inline void G4DynamicParticle::SetSpin(G4int spinInUnitOfHalfInteger)
{
theDynamicalSpin = spinInUnitOfHalfInteger * 0.5;
}
inline G4double G4DynamicParticle::GetMagneticMoment() const
{
return theDynamicalMagneticMoment;
}
inline void G4DynamicParticle::SetMagneticMoment(G4double magneticMoment)
{
theDynamicalMagneticMoment = magneticMoment;
}
inline const G4ThreeVector& G4DynamicParticle::GetMomentumDirection() const
{
return theMomentumDirection;
}
inline G4ThreeVector G4DynamicParticle::GetMomentum() const
{
G4double pModule = std::sqrt(theKineticEnergy*theKineticEnergy
+ 2*theKineticEnergy*theDynamicalMass);
G4ThreeVector pMomentum(theMomentumDirection.x()*pModule,
theMomentumDirection.y()*pModule,
theMomentumDirection.z()*pModule);
return pMomentum;
}
inline G4LorentzVector G4DynamicParticle::Get4Momentum() const
{
const G4double mass = theDynamicalMass;
const G4double energy = theKineticEnergy;
const G4double momentum = std::sqrt(energy*energy+2.0*mass*energy);
G4LorentzVector p4( theMomentumDirection.x()*momentum,
theMomentumDirection.y()*momentum,
theMomentumDirection.z()*momentum,
energy+mass );
return p4;
}
inline G4double G4DynamicParticle::GetTotalMomentum() const
{
// The momentum is returned in energy equivalent
//
return std::sqrt((theKineticEnergy + 2.*theDynamicalMass)* theKineticEnergy);
}
inline G4ParticleDefinition* G4DynamicParticle::GetDefinition() const
{
return const_cast<G4ParticleDefinition*>(theParticleDefinition);
}
inline const G4ParticleDefinition*
G4DynamicParticle::GetParticleDefinition() const
{
return theParticleDefinition;
}
inline const G4ThreeVector& G4DynamicParticle::GetPolarization() const
{
return thePolarization;
}
inline G4double G4DynamicParticle::GetProperTime() const
{
return theProperTime;
}
inline G4double G4DynamicParticle::GetTotalEnergy() const
{
return (theKineticEnergy+theDynamicalMass);
}
inline G4double G4DynamicParticle::GetKineticEnergy() const
{
return theKineticEnergy;
}
inline G4double G4DynamicParticle::GetLogKineticEnergy() const
{
if (theLogKineticEnergy == DBL_MAX)
{
theLogKineticEnergy = (theKineticEnergy > 0.)
? G4Log(theKineticEnergy) : LOG_EKIN_MIN;
}
return theLogKineticEnergy;
}
inline void
G4DynamicParticle::SetMomentumDirection(const G4ThreeVector& aDirection)
{
theMomentumDirection = aDirection;
}
inline void
G4DynamicParticle::SetMomentumDirection(G4double px, G4double py, G4double pz)
{
theMomentumDirection.setX(px);
theMomentumDirection.setY(py);
theMomentumDirection.setZ(pz);
}
inline void G4DynamicParticle::SetPolarization(const G4ThreeVector& vp)
{
thePolarization = vp;
}
inline void
G4DynamicParticle::SetPolarization(G4double polX, G4double polY, G4double polZ)
{
thePolarization.setX(polX);
thePolarization.setY(polY);
thePolarization.setZ(polZ);
}
inline void G4DynamicParticle::SetKineticEnergy(G4double aEnergy)
{
if(aEnergy != theKineticEnergy) {
theLogKineticEnergy = DBL_MAX;
theKineticEnergy = aEnergy;
theBeta = -1.0;
}
}
inline void G4DynamicParticle::SetProperTime(G4double atime)
{
theProperTime = atime;
}
inline const G4DecayProducts*
G4DynamicParticle::GetPreAssignedDecayProducts() const
{
return thePreAssignedDecayProducts;
}
inline void
G4DynamicParticle::SetPreAssignedDecayProducts(G4DecayProducts* aDecayProducts)
{
thePreAssignedDecayProducts = aDecayProducts;
}
inline G4double G4DynamicParticle::GetPreAssignedDecayProperTime() const
{
return thePreAssignedDecayTime;
}
inline void G4DynamicParticle::SetPreAssignedDecayProperTime(G4double aTime)
{
thePreAssignedDecayTime = aTime;
}
inline void G4DynamicParticle::SetVerboseLevel(G4int value)
{
verboseLevel = value;
}
inline G4int G4DynamicParticle::GetVerboseLevel() const
{
return verboseLevel;
}
inline void G4DynamicParticle::SetPrimaryParticle(G4PrimaryParticle* p)
{
primaryParticle = p;
}
inline G4PrimaryParticle* G4DynamicParticle::GetPrimaryParticle() const
{
return primaryParticle;
}
inline G4int G4DynamicParticle::GetPDGcode() const
{
G4int code = theParticleDefinition->GetPDGEncoding();
return (code == 0) ? thePDGcode : code;
}
inline void G4DynamicParticle::SetPDGcode(G4int c)
{
thePDGcode = c;
}
inline void G4DynamicParticle::ComputeBeta() const
{
// ultra relativistic particles and particles with mass zero
theBeta = 1.0;
// other particles
if(theDynamicalMass > 0.0 && theKineticEnergy < 1000*theDynamicalMass)
{
const G4double T = theKineticEnergy/theDynamicalMass;
theBeta = std::sqrt(T*(T+2.))/(T+1.0);
}
}
inline G4double G4DynamicParticle::GetBeta() const
{
if(theBeta < 0.0) { ComputeBeta(); }
return theBeta;
}