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geant4/source/particles/management/src/G4DecayTable.cc
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2016-06-08 16:10:37 +02:00

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//
// ********************************************************************
// * 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;
}