Gabriele Cosmo
731 lines
24 KiB
C++
731 lines
24 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: G4VEmProcess.hh 109178 2018-04-03 07:13:58Z gcosmo $
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//
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// -------------------------------------------------------------------
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//
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// GEANT4 Class header file
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//
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//
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// File name: G4VEmProcess
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//
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// Author: Vladimir Ivanchenko
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//
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// Creation date: 01.10.2003
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//
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// Modifications:
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// 30-06-04 make destructor virtual (V.Ivanchenko)
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// 09-08-04 optimise integral option (V.Ivanchenko)
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// 11-08-04 add protected methods to access cuts (V.Ivanchenko)
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// 09-09-04 Bug fix for the integral mode with 2 peaks (V.Ivanchneko)
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// 16-09-04 Add flag for LambdaTable and method RecalculateLambda (VI)
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// 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
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// 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
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// 18-04-05 Use G4ParticleChangeForGamma (V.Ivantchenko)
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// 09-05-05 Fix problem in logic when path boundary between materials (VI)
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// 11-01-06 add A to parameters of ComputeCrossSectionPerAtom (VI)
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// 01-02-06 put default value A=0. to keep compatibility with v5.2 (mma)
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// 13-05-06 Add method to access model by index (V.Ivanchenko)
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// 12-09-06 add SetModel() (mma)
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// 25-09-07 More accurate handling zero xsect in
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// PostStepGetPhysicalInteractionLength (V.Ivanchenko)
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// 27-10-07 Virtual functions moved to source (V.Ivanchenko)
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// 15-07-08 Reorder class members for further multi-thread development (VI)
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// 17-02-10 Added pointer currentParticle (VI)
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//
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// Class Description:
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//
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// It is the unified Discrete process
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// -------------------------------------------------------------------
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//
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#ifndef G4VEmProcess_h
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#define G4VEmProcess_h 1
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#include <CLHEP/Units/SystemOfUnits.h>
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#include "G4VDiscreteProcess.hh"
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#include "globals.hh"
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#include "G4Material.hh"
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#include "G4MaterialCutsCouple.hh"
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#include "G4Track.hh"
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#include "G4EmModelManager.hh"
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#include "G4UnitsTable.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4ParticleChangeForGamma.hh"
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#include "G4EmParameters.hh"
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class G4Step;
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class G4VEmModel;
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class G4DataVector;
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class G4VParticleChange;
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class G4PhysicsTable;
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class G4PhysicsVector;
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class G4EmBiasingManager;
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class G4LossTableManager;
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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class G4VEmProcess : public G4VDiscreteProcess
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{
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public:
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G4VEmProcess(const G4String& name,
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G4ProcessType type = fElectromagnetic);
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virtual ~G4VEmProcess();
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//------------------------------------------------------------------------
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// Virtual methods to be implemented in concrete processes
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//------------------------------------------------------------------------
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virtual G4bool IsApplicable(const G4ParticleDefinition& p) override = 0;
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// obsolete
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virtual void PrintInfo() {};
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virtual void ProcessDescription(std::ostream& outFile) const override;
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protected:
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virtual void StreamProcessInfo(std::ostream&, G4String) const {};
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virtual void InitialiseProcess(const G4ParticleDefinition*) = 0;
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//------------------------------------------------------------------------
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// Method with standard implementation; may be overwritten if needed
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//------------------------------------------------------------------------
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virtual G4double MinPrimaryEnergy(const G4ParticleDefinition*,
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const G4Material*);
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//------------------------------------------------------------------------
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// Implementation of virtual methods common to all Discrete processes
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//------------------------------------------------------------------------
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public:
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// Initialise for build of tables
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virtual void PreparePhysicsTable(const G4ParticleDefinition&) override;
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// Build physics table during initialisation
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virtual void BuildPhysicsTable(const G4ParticleDefinition&) override;
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// Called before tracking of each new G4Track
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virtual void StartTracking(G4Track*) override;
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// implementation of virtual method, specific for G4VEmProcess
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virtual G4double PostStepGetPhysicalInteractionLength(
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const G4Track& track,
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G4double previousStepSize,
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G4ForceCondition* condition) override;
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// implementation of virtual method, specific for G4VEmProcess
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virtual G4VParticleChange* PostStepDoIt(const G4Track&,
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const G4Step&) override;
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// Store PhysicsTable in a file.
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// Return false in case of failure at I/O
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virtual G4bool StorePhysicsTable(const G4ParticleDefinition*,
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const G4String& directory,
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G4bool ascii = false) override;
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// Retrieve Physics from a file.
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// (return true if the Physics Table can be build by using file)
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// (return false if the process has no functionality or in case of failure)
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// File name should is constructed as processName+particleName and the
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// should be placed under the directory specifed by the argument.
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virtual G4bool RetrievePhysicsTable(const G4ParticleDefinition*,
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const G4String& directory,
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G4bool ascii) override;
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//------------------------------------------------------------------------
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// Specific methods for Discrete EM post step simulation
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//------------------------------------------------------------------------
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// It returns the cross section per volume for energy/ material
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G4double CrossSectionPerVolume(G4double kineticEnergy,
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const G4MaterialCutsCouple* couple);
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// It returns the cross section of the process per atom
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G4double ComputeCrossSectionPerAtom(G4double kineticEnergy,
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G4double Z, G4double A=0.,
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G4double cut=0.0);
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G4double MeanFreePath(const G4Track& track);
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// It returns cross section per volume
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inline G4double GetLambda(G4double& kinEnergy,
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const G4MaterialCutsCouple* couple);
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//------------------------------------------------------------------------
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// Specific methods to build and access Physics Tables
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//------------------------------------------------------------------------
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// Binning for lambda table
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void SetLambdaBinning(G4int nbins);
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// Min kinetic energy for tables
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void SetMinKinEnergy(G4double e);
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// Min kinetic energy for high energy table
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void SetMinKinEnergyPrim(G4double e);
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// Max kinetic energy for tables
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void SetMaxKinEnergy(G4double e);
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// Cross section table pointers
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inline G4PhysicsTable* LambdaTable() const;
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inline G4PhysicsTable* LambdaTablePrim() const;
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//------------------------------------------------------------------------
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// Define and access particle type
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//------------------------------------------------------------------------
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inline const G4ParticleDefinition* Particle() const;
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inline const G4ParticleDefinition* SecondaryParticle() const;
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//------------------------------------------------------------------------
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// Specific methods to set, access, modify models and basic parameters
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//------------------------------------------------------------------------
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protected:
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// Select model in run time
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inline G4VEmModel* SelectModel(G4double& kinEnergy, size_t index);
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public:
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// Select model by energy and region index
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inline G4VEmModel* SelectModelForMaterial(G4double kinEnergy,
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size_t& idxRegion) const;
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// Add model for region, smaller value of order defines which
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// model will be selected for a given energy interval
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void AddEmModel(G4int, G4VEmModel*, const G4Region* region = nullptr);
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// Assign a model to a process local list, to enable the list in run time
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// the derived process should execute AddEmModel(..) for all such models
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void SetEmModel(G4VEmModel*, G4int index = 0);
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// return a model from the local list
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G4VEmModel* EmModel(size_t index = 0) const;
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// Define new energy range for the model identified by the name
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void UpdateEmModel(const G4String&, G4double, G4double);
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// Access to models
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G4int GetNumberOfModels() const;
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G4int GetNumberOfRegionModels(size_t couple_index) const;
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G4VEmModel* GetRegionModel(G4int idx, size_t couple_index) const;
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G4VEmModel* GetModelByIndex(G4int idx = 0, G4bool ver = false) const;
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// Access to active model
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inline const G4VEmModel* GetCurrentModel() const;
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// Access to the current G4Element
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const G4Element* GetCurrentElement() const;
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// Biasing parameters
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void SetCrossSectionBiasingFactor(G4double f, G4bool flag = true);
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inline G4double CrossSectionBiasingFactor() const;
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// Activate forced interaction
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void ActivateForcedInteraction(G4double length = 0.0,
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const G4String& r = "",
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G4bool flag = true);
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void ActivateSecondaryBiasing(const G4String& region, G4double factor,
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G4double energyLimit);
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inline void SetIntegral(G4bool val);
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inline void SetBuildTableFlag(G4bool val);
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//------------------------------------------------------------------------
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// Other generic methods
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//------------------------------------------------------------------------
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protected:
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virtual G4double GetMeanFreePath(const G4Track& track,
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G4double previousStepSize,
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G4ForceCondition* condition) override;
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G4PhysicsVector* LambdaPhysicsVector(const G4MaterialCutsCouple*);
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inline G4int LambdaBinning() const;
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inline G4double MinKinEnergy() const;
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inline G4double MaxKinEnergy() const;
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// Single scattering parameters
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inline G4double PolarAngleLimit() const;
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inline G4bool IsIntegral() const;
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inline G4double RecalculateLambda(G4double kinEnergy,
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const G4MaterialCutsCouple* couple);
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inline G4ParticleChangeForGamma* GetParticleChange();
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inline void SetParticle(const G4ParticleDefinition* p);
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inline void SetSecondaryParticle(const G4ParticleDefinition* p);
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inline size_t CurrentMaterialCutsCoupleIndex() const;
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inline const G4MaterialCutsCouple* MaterialCutsCouple() const;
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inline G4bool ApplyCuts() const;
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inline G4double GetGammaEnergyCut();
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inline G4double GetElectronEnergyCut();
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inline void SetStartFromNullFlag(G4bool val);
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inline void SetSplineFlag(G4bool val);
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inline const G4Element* GetTargetElement() const;
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inline const G4Isotope* GetTargetIsotope() const;
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private:
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void Clear();
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void BuildLambdaTable();
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void StreamInfo(std::ostream& outFile, const G4ParticleDefinition&,
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G4String endOfLine=G4String("\n")) const;
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void FindLambdaMax();
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void PrintWarning(G4String tit, G4double val);
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inline void DefineMaterial(const G4MaterialCutsCouple* couple);
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inline void ComputeIntegralLambda(G4double kinEnergy);
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inline G4double GetLambdaFromTable(G4double kinEnergy);
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inline G4double GetLambdaFromTablePrim(G4double kinEnergy);
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inline G4double GetCurrentLambda(G4double kinEnergy);
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inline G4double ComputeCurrentLambda(G4double kinEnergy);
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// hide copy constructor and assignment operator
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G4VEmProcess(G4VEmProcess &) = delete;
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G4VEmProcess & operator=(const G4VEmProcess &right) = delete;
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// ======== Parameters of the class fixed at construction =========
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G4LossTableManager* lManager;
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G4EmParameters* theParameters;
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G4EmModelManager* modelManager;
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const G4ParticleDefinition* thePositron;
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const G4ParticleDefinition* secondaryParticle;
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G4bool buildLambdaTable;
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// ======== Parameters of the class fixed at initialisation =======
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std::vector<G4VEmModel*> emModels;
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G4int numberOfModels;
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// tables and vectors
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G4PhysicsTable* theLambdaTable;
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G4PhysicsTable* theLambdaTablePrim;
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std::vector<G4double> theEnergyOfCrossSectionMax;
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std::vector<G4double> theCrossSectionMax;
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size_t idxLambda;
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size_t idxLambdaPrim;
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const std::vector<G4double>* theCuts;
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const std::vector<G4double>* theCutsGamma;
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const std::vector<G4double>* theCutsElectron;
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const std::vector<G4double>* theCutsPositron;
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const std::vector<G4double>* theDensityFactor;
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const std::vector<G4int>* theDensityIdx;
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G4int nLambdaBins;
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G4double minKinEnergy;
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G4double minKinEnergyPrim;
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G4double maxKinEnergy;
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G4double lambdaFactor;
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G4double biasFactor;
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G4double massRatio;
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G4bool integral;
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G4bool applyCuts;
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G4bool startFromNull;
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G4bool splineFlag;
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G4bool actMinKinEnergy;
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G4bool actMaxKinEnergy;
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G4bool actBinning;
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G4bool actSpline;
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G4bool isIon;
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// ======== Cashed values - may be state dependent ================
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protected:
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G4EmBiasingManager* biasManager;
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const G4ParticleDefinition* theGamma;
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const G4ParticleDefinition* theElectron;
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G4ParticleChangeForGamma fParticleChange;
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std::vector<G4DynamicParticle*> secParticles;
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const G4MaterialCutsCouple* currentCouple;
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G4int mainSecondaries;
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G4int secID;
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G4int fluoID;
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G4int augerID;
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G4int biasID;
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private:
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G4VEmModel* currentModel;
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const G4ParticleDefinition* particle;
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const G4ParticleDefinition* currentParticle;
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// cache
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const G4Material* baseMaterial;
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const G4Material* currentMaterial;
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size_t currentCoupleIndex;
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size_t basedCoupleIndex;
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G4double mfpKinEnergy;
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G4double preStepKinEnergy;
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G4double preStepLambda;
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G4double fFactor;
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G4bool biasFlag;
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G4bool weightFlag;
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};
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// ======== Run time inline methods ================
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inline G4bool G4VEmProcess::ApplyCuts() const
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{
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return applyCuts;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline size_t G4VEmProcess::CurrentMaterialCutsCoupleIndex() const
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{
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return currentCoupleIndex;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline const G4MaterialCutsCouple* G4VEmProcess::MaterialCutsCouple() const
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{
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return currentCouple;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4VEmProcess::GetGammaEnergyCut()
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{
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return (*theCutsGamma)[currentCoupleIndex];
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4VEmProcess::GetElectronEnergyCut()
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{
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return (*theCutsElectron)[currentCoupleIndex];
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline void G4VEmProcess::DefineMaterial(const G4MaterialCutsCouple* couple)
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{
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if(couple != currentCouple) {
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currentCouple = couple;
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currentMaterial = couple->GetMaterial();
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baseMaterial = currentMaterial->GetBaseMaterial();
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currentCoupleIndex = couple->GetIndex();
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basedCoupleIndex = (*theDensityIdx)[currentCoupleIndex];
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fFactor = biasFactor*(*theDensityFactor)[currentCoupleIndex];
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if(!baseMaterial) { baseMaterial = currentMaterial; }
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mfpKinEnergy = DBL_MAX;
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idxLambda = idxLambdaPrim = 0;
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline
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G4VEmModel* G4VEmProcess::SelectModel(G4double& kinEnergy, size_t index)
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{
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if(1 < numberOfModels) {
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currentModel = modelManager->SelectModel(kinEnergy, index);
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}
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currentModel->SetCurrentCouple(currentCouple);
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return currentModel;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline
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G4VEmModel* G4VEmProcess::SelectModelForMaterial(G4double kinEnergy,
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size_t& idxRegion) const
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{
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return modelManager->SelectModel(kinEnergy, idxRegion);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4VEmProcess::GetLambdaFromTable(G4double e)
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{
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return ((*theLambdaTable)[basedCoupleIndex])->Value(e, idxLambda);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4VEmProcess::GetLambdaFromTablePrim(G4double e)
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{
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return ((*theLambdaTablePrim)[basedCoupleIndex])->Value(e, idxLambdaPrim)/e;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4VEmProcess::ComputeCurrentLambda(G4double e)
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{
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return currentModel->CrossSectionPerVolume(
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baseMaterial,currentParticle, e,(*theCuts)[currentCoupleIndex]);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4VEmProcess::GetCurrentLambda(G4double e)
|
|
{
|
|
G4double x;
|
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if(e >= minKinEnergyPrim) { x = GetLambdaFromTablePrim(e); }
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else if(theLambdaTable) { x = GetLambdaFromTable(e); }
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else { x = ComputeCurrentLambda(e); }
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return fFactor*x;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double
|
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G4VEmProcess::GetLambda(G4double& kinEnergy,
|
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const G4MaterialCutsCouple* couple)
|
|
{
|
|
DefineMaterial(couple);
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SelectModel(kinEnergy, currentCoupleIndex);
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|
return GetCurrentLambda(kinEnergy);
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}
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|
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
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inline G4double
|
|
G4VEmProcess::RecalculateLambda(G4double e, const G4MaterialCutsCouple* couple)
|
|
{
|
|
DefineMaterial(couple);
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SelectModel(e, currentCoupleIndex);
|
|
return fFactor*ComputeCurrentLambda(e);
|
|
}
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|
|
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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|
|
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inline void G4VEmProcess::ComputeIntegralLambda(G4double e)
|
|
{
|
|
mfpKinEnergy = theEnergyOfCrossSectionMax[currentCoupleIndex];
|
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if (e <= mfpKinEnergy) {
|
|
preStepLambda = GetCurrentLambda(e);
|
|
|
|
} else {
|
|
G4double e1 = e*lambdaFactor;
|
|
if(e1 > mfpKinEnergy) {
|
|
preStepLambda = GetCurrentLambda(e);
|
|
G4double preStepLambda1 = GetCurrentLambda(e1);
|
|
if(preStepLambda1 > preStepLambda) {
|
|
mfpKinEnergy = e1;
|
|
preStepLambda = preStepLambda1;
|
|
}
|
|
} else {
|
|
preStepLambda = fFactor*theCrossSectionMax[currentCoupleIndex];
|
|
}
|
|
}
|
|
}
|
|
|
|
// ======== Get/Set inline methods used at initialisation ================
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4int G4VEmProcess::LambdaBinning() const
|
|
{
|
|
return nLambdaBins;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4double G4VEmProcess::MinKinEnergy() const
|
|
{
|
|
return minKinEnergy;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4double G4VEmProcess::MaxKinEnergy() const
|
|
{
|
|
return maxKinEnergy;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4double G4VEmProcess::PolarAngleLimit() const
|
|
{
|
|
return theParameters->MscThetaLimit();
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4double G4VEmProcess::CrossSectionBiasingFactor() const
|
|
{
|
|
return biasFactor;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4PhysicsTable* G4VEmProcess::LambdaTable() const
|
|
{
|
|
return theLambdaTable;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4PhysicsTable* G4VEmProcess::LambdaTablePrim() const
|
|
{
|
|
return theLambdaTablePrim;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline const G4ParticleDefinition* G4VEmProcess::Particle() const
|
|
{
|
|
return particle;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline const G4ParticleDefinition* G4VEmProcess::SecondaryParticle() const
|
|
{
|
|
return secondaryParticle;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline void G4VEmProcess::SetIntegral(G4bool val)
|
|
{
|
|
integral = val;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4bool G4VEmProcess::IsIntegral() const
|
|
{
|
|
return integral;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline void G4VEmProcess::SetBuildTableFlag(G4bool val)
|
|
{
|
|
buildLambdaTable = val;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4ParticleChangeForGamma* G4VEmProcess::GetParticleChange()
|
|
{
|
|
return &fParticleChange;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline void G4VEmProcess::SetParticle(const G4ParticleDefinition* p)
|
|
{
|
|
particle = p;
|
|
currentParticle = p;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline void G4VEmProcess::SetSecondaryParticle(const G4ParticleDefinition* p)
|
|
{
|
|
secondaryParticle = p;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline void G4VEmProcess::SetStartFromNullFlag(G4bool val)
|
|
{
|
|
startFromNull = val;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline void G4VEmProcess::SetSplineFlag(G4bool val)
|
|
{
|
|
splineFlag = val;
|
|
actSpline = true;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline const G4Element* G4VEmProcess::GetTargetElement() const
|
|
{
|
|
return currentModel->GetCurrentElement();
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline const G4Isotope* G4VEmProcess::GetTargetIsotope() const
|
|
{
|
|
return currentModel->GetCurrentIsotope();
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline const G4VEmModel* G4VEmProcess::GetCurrentModel() const
|
|
{
|
|
return currentModel;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
#endif
|