Gabriele Cosmo
130 lines
4.6 KiB
C++
130 lines
4.6 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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//
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// -------------------------------------------------------------------
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// GEANT4 Class file
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//
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// For information related to this code contact:
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//
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// File name: G4CollisionComposite
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//
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//
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// Creation date: 15 April 1999
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//
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// Modifications:
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//
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// -------------------------------------------------------------------
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#ifndef G4CollisionComposite_h
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#define G4CollisionComposite_h
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#include "globals.hh"
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#include "G4HadronicException.hh"
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#include "G4VCollision.hh"
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#include "G4CollisionVector.hh"
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#include "G4KineticTrackVector.hh"
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#include "G4CrossSectionBuffer.hh"
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#include "G4Pair.hh"
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#include "G4ParticleTable.hh"
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#include "G4Threading.hh"
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class G4KineticTrack;
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class G4VCrossSectionSource;
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class G4CollisionComposite : public G4VCollision
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{
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public:
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G4CollisionComposite();
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virtual ~G4CollisionComposite();
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virtual G4double CrossSection(const G4KineticTrack& trk1,
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const G4KineticTrack& trk2) const;
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virtual G4KineticTrackVector* FinalState(const G4KineticTrack& trk1,
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const G4KineticTrack& trk2) const;
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virtual G4bool IsInCharge(const G4KineticTrack& trk1,
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const G4KineticTrack& trk2) const;
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void AddComponent(G4VCollision * aC) {components.push_back(aC);}
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public:
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virtual const G4VCrossSectionSource* GetCrossSectionSource() const { return 0; }
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virtual const G4VAngularDistribution* GetAngularDistribution() const { return 0; }
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virtual const G4CollisionVector* GetComponents() const { return &components;}
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struct Register
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{
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template <class T> void operator()(T*, G4CollisionComposite * aC)
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{
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aC->AddComponent(new T());
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}
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};
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struct Resolve
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{
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// template <class t1, int t2, int t3, int t4, int t5>
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template <class T>
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void operator()(T * , G4CollisionComposite * aC)
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{
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G4ParticleDefinition * p2, *p3, *p4, *p5;
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G4int pdg = 0;
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pdg = T::i1;
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p2=G4ParticleTable::GetParticleTable()->FindParticle(pdg);
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pdg = T::i2;
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p3=G4ParticleTable::GetParticleTable()->FindParticle(pdg);
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pdg = T::i3;
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p4=G4ParticleTable::GetParticleTable()->FindParticle(pdg);
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pdg = T::i4;
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p5=G4ParticleTable::GetParticleTable()->FindParticle(pdg);
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if(p2->GetPDGCharge()+p3->GetPDGCharge() != p4->GetPDGCharge()+p5->GetPDGCharge())
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{
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G4cerr << "charge-unbalance in collision composite"<<G4endl;
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}
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aC->AddComponent(new typename T::it(p2, p3, p4, p5));
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}
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};
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private:
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G4CollisionComposite(const G4CollisionComposite &right);
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const G4CollisionComposite& operator=(const G4CollisionComposite &right);
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void BufferCrossSection(const G4ParticleDefinition * aP, const G4ParticleDefinition * bP);
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G4double BufferedCrossSection(const G4KineticTrack& trk1, const G4KineticTrack& trk2) const;
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private:
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G4CollisionVector components;
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std::vector<G4CrossSectionBuffer> theBuffer;
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static const G4int nPoints;
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static const G4double theT[];
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mutable G4Mutex bufferMutex; //Protects concurrent access to theBuffer in MT
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};
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#endif
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