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This commit is contained in:
Gabriele Cosmo
2017-12-08 12:52:30 +01:00
parent 98e455a940
commit fc6af9e721
2166 changed files with 276760 additions and 100873 deletions
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source/particles/management/src/G4DecayTable.cc
+43 -25
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@@ -24,7 +24,7 @@
// ********************************************************************
//
//
// $Id: G4DecayTable.cc 95052 2016-01-21 08:34:03Z gcosmo $
// $Id: G4DecayTable.cc 105720 2017-08-16 12:38:10Z gcosmo $
//
//
// ------------------------------------------------------------
@@ -40,7 +40,8 @@
#include "G4DecayTable.hh"
#include "Randomize.hh"
G4DecayTable::G4DecayTable():parent(0)
G4DecayTable::G4DecayTable()
:parent(nullptr), channels(nullptr)
{
channels = new G4VDecayChannelVector;
}
@@ -48,29 +49,32 @@ G4DecayTable::G4DecayTable():parent(0)
G4DecayTable::~G4DecayTable()
{
// remove and delete all contents
G4VDecayChannelVector::iterator i;
for (i = channels->begin(); i!= channels->end(); ++i) {
delete (*i);
G4VDecayChannelVector::iterator iCh;
for (iCh = channels->begin(); iCh!= channels->end(); ++iCh) {
delete (*iCh);
}
channels->clear();
delete channels;
channels = 0;
channels = nullptr;
parent = nullptr;
}
void G4DecayTable::Insert( G4VDecayChannel * aChannel){
if (parent == 0) { parent = (G4ParticleDefinition*)(aChannel->GetParent()); }
if (parent == nullptr) {
parent = (G4ParticleDefinition*)(aChannel->GetParent());
}
if (parent != aChannel->GetParent()) {
#ifdef G4VERBOSE
G4cout << " G4DecayTable::Insert :: bad G4VDecayChannel (mismatch parent) "
G4cout << " G4DecayTable::Insert :: bad G4VDecayChannel (mismatch parent) "
<< " " << parent->GetParticleName()
<< " input:" << aChannel->GetParent()->GetParticleName() << G4endl;
#endif
} else {
G4double r = aChannel->GetBR();
G4VDecayChannelVector::iterator i;
for (i = channels->begin(); i!= channels->end(); ++i) {
if (r > (*i)->GetBR()) {
channels->insert(i,aChannel);
G4double br = aChannel->GetBR();
G4VDecayChannelVector::iterator iCh;
for (iCh = channels->begin(); iCh!= channels->end(); ++iCh) {
if (br > (*iCh)->GetBR()) {
channels->insert(iCh,aChannel);
return;
}
}
@@ -84,30 +88,44 @@ G4VDecayChannel *G4DecayTable::SelectADecayChannel(G4double parentMass)
if (channels->size()<1) return 0;
if(parentMass<0.) parentMass=parent->GetPDGMass();
G4VDecayChannelVector::iterator iCh;
G4double sumBR = 0.;
for (iCh = channels->begin(); iCh!= channels->end(); ++iCh) {
if ( !((*iCh)->IsOKWithParentMass(parentMass)) ) continue;
sumBR += (*iCh)->GetBR();
}
if (sumBR <=0.0) {
#ifdef G4VERBOSE
G4cout << " G4DecayTable::SelectADecayChannel :: no possible DecayChannel"
<< " " << parent->GetParticleName() << G4endl;
#endif
return nullptr;
}
const size_t MAX_LOOP = 10000;
for (size_t loop_counter=0; loop_counter <MAX_LOOP; ++loop_counter){
G4double sumBR = 0.0;
G4double r= G4UniformRand();
G4double sum = 0.0;
G4double br= sumBR*G4UniformRand();
// select decay channel
G4VDecayChannelVector::iterator i;
for (i = channels->begin(); i!= channels->end(); ++i) {
sumBR += (*i)->GetBR();
if ( !((*i)->IsOKWithParentMass(parentMass)) ) continue;
if (r < sumBR) return (*i);
for (iCh = channels->begin(); iCh!= channels->end(); ++iCh) {
sum += (*iCh)->GetBR();
if ( !((*iCh)->IsOKWithParentMass(parentMass)) ) continue;
if (br < sum) return (*iCh);
}
}
return 0;
return nullptr;
}
void G4DecayTable::DumpInfo() const
{
G4cout << "G4DecayTable: " << parent->GetParticleName() << G4endl;
G4int index =0;
G4VDecayChannelVector::iterator i;
for (i = channels->begin(); i!= channels->end(); ++i) {
G4VDecayChannelVector::iterator iCh;
for (iCh = channels->begin(); iCh!= channels->end(); ++iCh) {
G4cout << index << ": ";
(*i)->DumpInfo();
index +=1;
(*iCh)->DumpInfo();
index += 1;
}
G4cout << G4endl;
}