122 lines
3.7 KiB
C++
122 lines
3.7 KiB
C++
//
|
|
// ********************************************************************
|
|
// * DISCLAIMER *
|
|
// * *
|
|
// * The following disclaimer summarizes all the specific disclaimers *
|
|
// * of contributors to this software. The specific disclaimers,which *
|
|
// * govern, are listed with their locations in: *
|
|
// * http://cern.ch/geant4/license *
|
|
// * *
|
|
// * 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. *
|
|
// * *
|
|
// * This code implementation is the intellectual property of the *
|
|
// * GEANT4 collaboration. *
|
|
// * By copying, distributing or modifying the Program (or any work *
|
|
// * based on the Program) you indicate your acceptance of this *
|
|
// * statement, and all its terms. *
|
|
// ********************************************************************
|
|
//
|
|
//
|
|
// $Id: G4DecayTable.cc,v 1.6.4.2 2001/06/28 20:19:10 gunter Exp $
|
|
// GEANT4 tag $Name: $
|
|
//
|
|
//
|
|
// ------------------------------------------------------------
|
|
// GEANT 4 class implementation file
|
|
//
|
|
// History: first implementation, based on object model of
|
|
// 27 July 1996 H.Kurashige
|
|
// ----------------------------------------
|
|
// implementation for STL 14 Feb. 2000 H.Kurashige
|
|
// ------------------------------------------------------------
|
|
|
|
#include "globals.hh"
|
|
#include "G4DecayTable.hh"
|
|
#include "Randomize.hh"
|
|
|
|
G4DecayTable::G4DecayTable():parent(0)
|
|
{
|
|
channels = new G4VDecayChannelVector;
|
|
}
|
|
|
|
G4DecayTable::~G4DecayTable()
|
|
{
|
|
// remove and delete all contents
|
|
G4VDecayChannelVector::iterator i;
|
|
for (i = channels->begin(); i!= channels->end(); ++i) {
|
|
delete (*i);
|
|
}
|
|
channels->clear();
|
|
delete channels;
|
|
channels = 0;
|
|
}
|
|
|
|
void G4DecayTable::Insert( G4VDecayChannel * aChannel){
|
|
if (parent == 0) { parent = (G4ParticleDefinition*)(aChannel->GetParent()); }
|
|
if (parent != aChannel->GetParent()) {
|
|
#ifdef G4VERBOSE
|
|
G4cout << " G4DecayTable::Insert :: bad G4VDecayChannel (mismatch parent) ";
|
|
G4cout << " " << parent->GetParticleName();
|
|
G4cout << " 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);
|
|
return;
|
|
}
|
|
}
|
|
channels->push_back(aChannel);
|
|
}
|
|
}
|
|
|
|
G4VDecayChannel *G4DecayTable::SelectADecayChannel()
|
|
{
|
|
// check if contents exist
|
|
if (channels->size()<1) return 0;
|
|
|
|
while (1) {
|
|
G4double sumBR = 0.0;
|
|
G4double r= G4UniformRand();
|
|
// select decay channel
|
|
G4VDecayChannelVector::iterator i;
|
|
for (i = channels->begin(); i!= channels->end(); ++i) {
|
|
sumBR += (*i)->GetBR();
|
|
if (r < sumBR) {
|
|
return (*i);
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void G4DecayTable::DumpInfo() const
|
|
{
|
|
G4cout << "G4DecayTable: " << parent->GetParticleName() << G4endl;
|
|
G4int index =0;
|
|
G4VDecayChannelVector::iterator i;
|
|
for (i = channels->begin(); i!= channels->end(); ++i) {
|
|
G4cout << index << ": ";
|
|
(*i)->DumpInfo();
|
|
index +=1;
|
|
}
|
|
G4cout << G4endl;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|