Gabriele Cosmo
301 lines
11 KiB
C++
301 lines
11 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// $Id: G4EnergyRangeManager.cc 98067 2016-07-01 16:33:54Z gcosmo $
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//
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// Hadronic Process: Energy Range Manager
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// original by H.P. Wellisch
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// modified by J.L. Chuma, TRIUMF, 22-Nov-1996
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// Last modified: 24-Mar-1997
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// fix in the counter-hndling: H.P. Wellisch 04-Apr-97
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// throw an exception if no model found: J.L. Chuma 04-Apr-97
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#include "G4EnergyRangeManager.hh"
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#include "Randomize.hh"
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#include "G4HadronicException.hh"
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G4EnergyRangeManager::G4EnergyRangeManager()
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: theHadronicInteractionCounter(0)
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{}
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G4EnergyRangeManager::~G4EnergyRangeManager()
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{}
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G4EnergyRangeManager::G4EnergyRangeManager(const G4EnergyRangeManager& right)
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{
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theHadronicInteractionCounter = right.theHadronicInteractionCounter;
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theHadronicInteraction = right.theHadronicInteraction;
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}
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G4EnergyRangeManager& G4EnergyRangeManager::operator=(
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const G4EnergyRangeManager& right)
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{
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if (this != &right) {
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theHadronicInteractionCounter = right.theHadronicInteractionCounter;
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theHadronicInteraction = right.theHadronicInteraction;
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}
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return *this;
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}
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void G4EnergyRangeManager::RegisterMe(G4HadronicInteraction* a)
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{
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if(!a) { return; }
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if(0 < theHadronicInteractionCounter) {
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for(G4int i=0; i<theHadronicInteractionCounter; ++i) {
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if(a == theHadronicInteraction[i]) { return; }
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}
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}
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theHadronicInteraction.push_back(a);
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++theHadronicInteractionCounter;
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}
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G4HadronicInteraction*
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G4EnergyRangeManager::GetHadronicInteraction(const G4HadProjectile & aHadProjectile,
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G4Nucleus & aTargetNucleus,
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const G4Material* aMaterial,
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const G4Element* anElement) const
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{
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if(0 == theHadronicInteractionCounter) {
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throw G4HadronicException(__FILE__, __LINE__,
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"GetHadronicInteraction: NO MODELS STORED");
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}
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G4double kineticEnergy = aHadProjectile.GetKineticEnergy();
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// For ions, get kinetic energy per nucleon
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if ( aHadProjectile.GetDefinition()->GetBaryonNumber() > 1.5 ) {
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kineticEnergy /= aHadProjectile.GetDefinition()->GetBaryonNumber();
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}
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G4int cou = 0, memory = 0, memor2 = 0;
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G4double emi1 = 0.0, ema1 = 0.0, emi2 = 0.0, ema2 = 0.0;
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for (G4int i = 0; i<theHadronicInteractionCounter; ++i) {
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if ( theHadronicInteraction[i]->IsApplicable( aHadProjectile, aTargetNucleus ) ) {
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G4double low = theHadronicInteraction[i]->GetMinEnergy( aMaterial, anElement );
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// Work-around for particles with 0 kinetic energy, which still
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// require a model to return a ParticleChange
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//if (low == 0.) low = -DBL_MIN;
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G4double high = theHadronicInteraction[i]->GetMaxEnergy( aMaterial, anElement );
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if (low <= kineticEnergy && high > kineticEnergy) {
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++cou;
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emi2 = emi1;
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ema2 = ema1;
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emi1 = low;
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ema1 = high;
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memor2 = memory;
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memory = i;
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}
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}
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}
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G4int mem = -1;
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G4double rand;
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switch (cou) {
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case 0:
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G4cout<<"G4EnergyRangeManager:GetHadronicInteraction: counter="
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<<theHadronicInteractionCounter<<", Ek="
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<<kineticEnergy<<", Material = "<<aMaterial->GetName()
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<<", Element = "
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<<anElement->GetName()<<G4endl;
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for( G4int j=0; j<theHadronicInteractionCounter; ++j)
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{
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G4HadronicInteraction* HInt=theHadronicInteraction[j];
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G4cout<<"*"<<j<<"* low=" <<HInt->GetMinEnergy(aMaterial,anElement)
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<<", high="<<HInt->GetMaxEnergy(aMaterial,anElement)<<G4endl;
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}
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throw G4HadronicException(__FILE__, __LINE__,
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"GetHadronicInteraction: No Model found");
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return 0;
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case 1:
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mem = memory;
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break;
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case 2:
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if( (emi2<=emi1 && ema2>=ema1) || (emi2>=emi1 && ema2<=ema1) )
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{
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G4cout<<"G4EnergyRangeManager:GetHadronicInteraction: counter="
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<<theHadronicInteractionCounter<<", Ek="
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<<kineticEnergy<<", Material = "<<aMaterial->GetName()
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<<", Element = "
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<<anElement->GetName()<<G4endl;
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for( G4int j=0; j<theHadronicInteractionCounter; ++j)
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{
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G4HadronicInteraction* HInt=theHadronicInteraction[j];
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G4cout<<"*"<<j<<"* low=" <<HInt->GetMinEnergy(aMaterial,anElement)
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<<", high="<<HInt->GetMaxEnergy(aMaterial,anElement)<<G4endl;
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}
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throw G4HadronicException(__FILE__, __LINE__,
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"GetHadronicInteraction: Energy ranges of two models fully overlapping");
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}
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rand = G4UniformRand();
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if( emi1 < emi2 )
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{
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if( (ema1-kineticEnergy) < rand*(ema1-emi2) ) {
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mem = memor2;
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} else {
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mem = memory;
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}
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} else {
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if( (ema2-kineticEnergy) < rand*(ema2-emi1) ) {
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mem = memory;
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} else {
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mem = memor2;
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}
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}
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break;
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default:
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throw G4HadronicException(__FILE__, __LINE__,
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"GetHadronicInteraction: More than two competing models in this energy range");
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}
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return theHadronicInteraction[mem];
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}
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G4HadronicInteraction*
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G4EnergyRangeManager::GetHadronicInteraction(const G4double kineticEnergy,
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const G4Material* aMaterial,
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const G4Element* anElement) const
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{
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if(0 == theHadronicInteractionCounter) {
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throw G4HadronicException(__FILE__, __LINE__,
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"GetHadronicInteraction: NO MODELS STORED");
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}
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G4int cou = 0, memory = 0, memor2 = 0;
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G4double emi1 = 0.0, ema1 = 0.0, emi2 = 0.0, ema2 = 0.0;
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for (G4int i = 0; i<theHadronicInteractionCounter; ++i) {
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G4double low = theHadronicInteraction[i]->GetMinEnergy( aMaterial, anElement );
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// Work-around for particles with 0 kinetic energy, which still
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// require a model to return a ParticleChange
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//if (low == 0.) low = -DBL_MIN;
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G4double high = theHadronicInteraction[i]->GetMaxEnergy( aMaterial, anElement );
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if (low <= kineticEnergy && high > kineticEnergy) {
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++cou;
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emi2 = emi1;
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ema2 = ema1;
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emi1 = low;
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ema1 = high;
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memor2 = memory;
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memory = i;
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}
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}
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G4int mem = -1;
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G4double rand;
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switch (cou) {
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case 0:
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G4cout<<"G4EnergyRangeManager:GetHadronicInteraction: counter="
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<<theHadronicInteractionCounter<<", Ek="
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<<kineticEnergy<<", Material = "<<aMaterial->GetName()
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<<", Element = "
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<<anElement->GetName()<<G4endl;
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for( G4int j=0; j<theHadronicInteractionCounter; ++j)
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{
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G4HadronicInteraction* HInt=theHadronicInteraction[j];
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G4cout<<"*"<<j<<"* low=" <<HInt->GetMinEnergy(aMaterial,anElement)
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<<", high="<<HInt->GetMaxEnergy(aMaterial,anElement)<<G4endl;
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}
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throw G4HadronicException(__FILE__, __LINE__,
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"GetHadronicInteraction: No Model found");
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return 0;
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case 1:
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mem = memory;
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break;
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case 2:
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if( (emi2<=emi1 && ema2>=ema1) || (emi2>=emi1 && ema2<=ema1) )
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{
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G4cout<<"G4EnergyRangeManager:GetHadronicInteraction: counter="
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<<theHadronicInteractionCounter<<", Ek="
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<<kineticEnergy<<", Material = "<<aMaterial->GetName()
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<<", Element = "
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<<anElement->GetName()<<G4endl;
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for( G4int j=0; j<theHadronicInteractionCounter; ++j)
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{
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G4HadronicInteraction* HInt=theHadronicInteraction[j];
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G4cout<<"*"<<j<<"* low=" <<HInt->GetMinEnergy(aMaterial,anElement)
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<<", high="<<HInt->GetMaxEnergy(aMaterial,anElement)<<G4endl;
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}
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throw G4HadronicException(__FILE__, __LINE__,
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"GetHadronicInteraction: Energy ranges of two models fully overlapping");
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}
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rand = G4UniformRand();
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if( emi1 < emi2 )
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{
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if( (ema1-kineticEnergy) < rand*(ema1-emi2) ) {
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mem = memor2;
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} else {
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mem = memory;
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}
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} else {
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if( (ema2-kineticEnergy) < rand*(ema2-emi1) ) {
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mem = memory;
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} else {
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mem = memor2;
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}
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}
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break;
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default:
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throw G4HadronicException(__FILE__, __LINE__,
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"GetHadronicInteraction: More than two competing models in this energy range");
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}
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return theHadronicInteraction[mem];
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}
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std::vector<G4HadronicInteraction*>&
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G4EnergyRangeManager::GetHadronicInteractionList()
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{
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return theHadronicInteraction;
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}
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#include "G4SystemOfUnits.hh"
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void G4EnergyRangeManager::Dump( G4int verbose )
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{
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G4cout << "G4EnergyRangeManager " << this << G4endl;
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for (G4int i = 0 ; i < theHadronicInteractionCounter; i++) {
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G4cout << " HadronicModel " << i <<":"
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<< theHadronicInteraction[i]->GetModelName() << G4endl;
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if (verbose > 0) {
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G4cout << " Minimum Energy "
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<< theHadronicInteraction[i]->GetMinEnergy()/GeV << " [GeV], "
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<< "Maximum Energy "
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<< theHadronicInteraction[i]->GetMaxEnergy()/GeV << " [GeV]"
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<< G4endl;
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}
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}
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}
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void
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G4EnergyRangeManager::BuildPhysicsTable(const G4ParticleDefinition& aParticleType)
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{
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for ( std::vector<G4HadronicInteraction*>::iterator
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it = theHadronicInteraction.begin() ; it != theHadronicInteraction.end() ; it++ ) {
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(*it)->BuildPhysicsTable( aParticleType );
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}
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}
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/* end of file */
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