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This commit is contained in:
Gabriele Cosmo
2018-06-29 10:58:11 +02:00
parent fe81a77428
commit 6aa23be517
1581 changed files with 124288 additions and 83758 deletions
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source/processes/electromagnetic/utils/include/G4VEmModel.hh
+10 -62
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@@ -23,7 +23,7 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id: G4VEmModel.hh 106714 2017-10-20 09:38:06Z gcosmo $
// $Id: G4VEmModel.hh 108386 2018-02-09 15:38:32Z gcosmo $
//
// -------------------------------------------------------------------
//
@@ -282,9 +282,6 @@ public:
G4double cutEnergy = 0.0,
G4double maxEnergy = DBL_MAX);
// select isotope in order to have precise mass of the nucleus
inline G4int SelectIsotopeNumber(const G4Element*);
// atom can be selected effitiantly if element selectors are initialised
inline const G4Element* SelectRandomAtom(const G4MaterialCutsCouple*,
const G4ParticleDefinition*,
@@ -300,7 +297,10 @@ public:
G4double maxEnergy = DBL_MAX);
// to select atom if cross section is proportional number of electrons
inline G4int SelectRandomAtomNumber(const G4Material*);
G4int SelectRandomAtomNumber(const G4Material*);
// select isotope in order to have precise mass of the nucleus
G4int SelectIsotopeNumber(const G4Element*);
//------------------------------------------------------------------------
// Get/Set methods
@@ -434,7 +434,7 @@ protected:
const std::vector<G4int>* theDensityIdx;
size_t idxTable;
G4bool lossFlucFlag;
const static G4double inveplus;
G4double inveplus;
// ======== Cached values - may be state dependent ================
@@ -556,65 +556,13 @@ G4VEmModel::SelectRandomAtom(const G4MaterialCutsCouple* couple,
G4double maxEnergy)
{
fCurrentCouple = couple;
if(nSelectors > 0) {
fCurrentElement =
((*elmSelectors)[couple->GetIndex()])->SelectRandomAtom(kinEnergy);
} else {
fCurrentElement = SelectRandomAtom(couple->GetMaterial(),part,kinEnergy,
cutEnergy,maxEnergy);
}
fCurrentElement = (nSelectors > 0) ?
((*elmSelectors)[couple->GetIndex()])->SelectRandomAtom(kinEnergy) :
SelectRandomAtom(couple->GetMaterial(),part,kinEnergy,cutEnergy,maxEnergy);
fCurrentIsotope = nullptr;
return fCurrentElement;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
inline G4int G4VEmModel::SelectRandomAtomNumber(const G4Material* mat)
{
// this algorith assumes that cross section is proportional to
// number electrons multiplied by number of atoms
size_t nn = mat->GetNumberOfElements();
const G4ElementVector* elmv = mat->GetElementVector();
G4int Z = (*elmv)[0]->GetZasInt();
if(1 < nn) {
const G4double* at = mat->GetVecNbOfAtomsPerVolume();
G4double tot = mat->GetTotNbOfAtomsPerVolume()*G4UniformRand();
for( size_t i=0; i<nn; ++i) {
tot -= at[i];
if(tot <= 0.0) {
Z = (*elmv)[i]->GetZasInt();
break;
}
}
}
return Z;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
inline G4int G4VEmModel::SelectIsotopeNumber(const G4Element* elm)
{
SetCurrentElement(elm);
G4int N = G4lrint(elm->GetN());
G4int ni = elm->GetNumberOfIsotopes();
fCurrentIsotope = nullptr;
if(ni > 0) {
G4int idx = 0;
if(ni > 1) {
G4double* ab = elm->GetRelativeAbundanceVector();
G4double x = G4UniformRand();
for(; idx<ni; ++idx) {
x -= ab[idx];
if (x <= 0.0) { break; }
}
if(idx >= ni) { idx = ni - 1; }
}
fCurrentIsotope = elm->GetIsotope(idx);
N = fCurrentIsotope->GetN();
}
return N;
}
// ======== Get/Set inline methods used at initialisation ================
inline G4VEmFluctuationModel* G4VEmModel::GetModelOfFluctuations()
@@ -844,7 +792,7 @@ inline void
G4VEmModel::SetElementSelectors(std::vector<G4EmElementSelector*>* p)
{
elmSelectors = p;
if(elmSelectors) { nSelectors = elmSelectors->size(); }
nSelectors = (elmSelectors) ? elmSelectors->size() : 0;
localElmSelectors = false;
}