Gabriele Cosmo
149 lines
4.8 KiB
C++
149 lines
4.8 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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// neutron_hp -- source file
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// J.P. Wellisch, Nov-1996
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// A prototype of the low energy neutron transport model.
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//
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// 080801 Prohibit level transition to oneself by T. Koi
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//
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// P. Arce, June-2014 Conversion neutron_hp to particle_hp
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//
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#include "G4ParticleHPDeExGammas.hh"
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#include "G4SystemOfUnits.hh"
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void G4ParticleHPDeExGammas::Init(std::istream & aDataFile)
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{
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// G4cout << this << "ExGammas Init LEVEL " << G4endl; //GDEB
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G4ParticleHPGamma ** theGammas = new G4ParticleHPGamma * [50];
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G4int nGammas = 0;
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G4int nBuff = 50;
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for(;;)
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{
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G4ParticleHPGamma * theNew = new G4ParticleHPGamma;
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if(!theNew->Init(aDataFile))
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{
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delete theNew;
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break;
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}
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else
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{
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if(nGammas==nBuff)
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{
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nBuff+=50;
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G4ParticleHPGamma ** buffer = new G4ParticleHPGamma * [nBuff];
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for(G4int i=0;i<nGammas;i++) buffer[i] = theGammas[i];
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delete [] theGammas;
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theGammas = buffer;
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}
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theGammas[nGammas] = theNew;
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nGammas++;
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}
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}
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// all gammas are in. Now sort them into levels.
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// count the levels
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G4double currentE = 0;
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G4double nextE = 0;
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G4int i;
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G4double epsilon = 0.01*keV;
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for(i=0; i<nGammas; i++)
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{
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nextE = theGammas[i]->GetLevelEnergy();
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if(std::abs(currentE-nextE)>epsilon) nLevels++;
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currentE = nextE;
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}
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// G4cout << this << "LEVEL " << nLevels << G4endl; //GDEB
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// Build the levels
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theLevels = new G4ParticleHPLevel[nLevels];
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levelStart = new G4int [nLevels];
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levelSize = new G4int [nLevels];
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// fill the levels
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currentE = 0;
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nextE = 0;
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G4int levelCounter=-1;
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for(i=0; i<nGammas; i++)
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{
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nextE = theGammas[i]->GetLevelEnergy();
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if(std::abs(currentE-nextE)>epsilon)
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{
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levelCounter++;
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levelStart[levelCounter] = i;
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levelSize[levelCounter] = 0;
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}
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levelSize[levelCounter]++;
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currentE = nextE;
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}
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for(i=0; i<nLevels; i++)
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{
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theLevels[i].SetNumberOfGammas(levelSize[i]);
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for(G4int ii=levelStart[i]; ii<levelStart[i]+levelSize[i]; ii++)
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{
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theLevels[i].SetGamma(ii-levelStart[i], theGammas[ii]);
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}
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}
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// set the next relation in the gammas.
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G4double levelE, gammaE, currentLevelE;
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G4double min;
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for(i=0; i<nGammas; i++)
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{
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G4int it=-1;
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gammaE = theGammas[i]->GetGammaEnergy();
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currentLevelE = theGammas[i]->GetLevelEnergy();
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min = currentLevelE-gammaE-epsilon;
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for(G4int ii=0; ii<nLevels; ii++)
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{
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levelE = theLevels[ii].GetLevelEnergy();
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if(std::abs(currentLevelE-(levelE+gammaE))<min)
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{
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min = std::abs(currentLevelE-(levelE+gammaE));
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it = ii;
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}
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}
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//080728
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if ( it != -1 && currentLevelE == theLevels[it].GetLevelEnergy() )
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{
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//TK Comment; Some data file in /Inelastic/Gammas has inconsistent level data (no level to transit)
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//G4cout << "DeExGammas Transition level error: it " << it << " " << currentLevelE << " " << gammaE << " " << theLevels[it-1].GetLevelEnergy() << " " << currentLevelE - theLevels[it-1].GetLevelEnergy() << G4endl;
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// Forced to connect the next(previous) level
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it +=-1;
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}
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//080728
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if(it!=-1) theGammas[i]->SetNext(&theLevels[it]);
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}
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// some garbage collection
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delete [] theGammas;
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// and we are Done.
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}
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