G4ParticleHPContEnergyAngular.cc

Go to the documentation of this file.

//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
// * include a list of copyright holders.                             *
// *                                                                  *
// * 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.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
// * This  code  implementation is the result of  the  scientific and *
// * technical work of the GEANT4 collaboration.                      *
// * By using,  copying,  modifying or  distributing the software (or *
// * any work based  on the software)  you  agree  to acknowledge its *
// * use  in  resulting  scientific  publications,  and indicate your *
// * acceptance of all terms of the Geant4 Software license.          *
// ********************************************************************
//
// particle_hp -- source file
// J.P. Wellisch, Nov-1996
// A prototype of the low energy neutron transport model.
//
// 080721 To be "ClearHistories" effective, the selection scheme of angular distribution is modified by T. Koi
//
// P. Arce, Dec-2014 Conversion neutron_hp to particle_hp
//
#include "G4ParticleHPContEnergyAngular.hh"

G4ReactionProduct * G4ParticleHPContEnergyAngular::Sample(G4double anEnergy, G4double massCode, G4double /*mass*/)
{
   G4ReactionProduct * result;
   G4int i(0);
   G4int it(0);
   for(i=0;i<nEnergy;i++)
   {
     it = i;
#ifdef PHP_AS_HP 
     if(theAngular[i].GetEnergy()>anEnergy) break;
#else
     if(theAngular[i].GetEnergy()>=anEnergy) break;
#endif
   }
   if( getenv("G4PHPTEST") )    G4cout << i << " G4ParticleHPContEnergyAngular dataE " << theAngular[i].GetEnergy() << " > " << anEnergy << " it_theAngular " << it << " interpolation " << theInterpolation << G4endl; //GDEB
   G4double targetMass = GetTarget()->GetMass();
   if(it==0)
   {
     theAngular[0].SetTarget(GetTarget());
     theAngular[0].SetTargetCode(theTargetCode);
     theAngular[0].SetPrimary(GetProjectileRP());
     result = theAngular[0].Sample(anEnergy, massCode, targetMass, 
                                  theAngularRep, theInterpolation);
     currentMeanEnergy.Put( theAngular[0].MeanEnergyOfThisInteraction() );
   }
   else
   {
     // interpolation through alternating sampling. This needs improvement @@@
     // This is the cause of the He3 problem !!!!!!!!
     // See to it, if you can improve this.
     //080714 TK commnet Randomizing use angular distribution
     //080714 TK Always use the upper side distribution. enabling ClearHistories method.
     //G4double random = G4UniformRand();
     //G4double deltaE = theAngular[it].GetEnergy()-theAngular[it-1].GetEnergy();
     //G4double offset = theAngular[it].GetEnergy()-anEnergy;
     //if(random<offset/deltaE) it--;
     //--- create new 
     //     if( theManager.GetScheme(0) != LINLIN ) {  // asserted in G4ParticleHPContEnergyAngular::init there is only one range
#ifdef PHP_AS_HP
     theAngular[it].SetTarget(GetTarget());
     theAngular[it].SetTargetCode(theTargetCode);
     theAngular[it].SetPrimary(GetProjectileRP());
     result = theAngular[it].Sample(anEnergy, massCode, targetMass, 
                    theAngularRep, theInterpolation);
     currentMeanEnergy.Put( theAngular[it].MeanEnergyOfThisInteraction() ); 
#else
    if( getenv("G4PHPTEST") )     G4cout << i << " G4ParticleHPContEnergyAngular To BUILDBYINTERPOLATION " << it << " : " << theAngular[it].GetEnergy()<< " , " << theAngular[it].GetNEnergies() << " " << it-1 << " : " << theAngular[it-1].GetEnergy()<< " : " << theAngular[it-1].GetNEnergies() << G4endl; //GDEB

     G4ParticleHPContAngularPar * angular = new  G4ParticleHPContAngularPar(theProjectile );
     
     angular->SetInterpolation(theInterpolation);
     angular->BuildByInterpolation( anEnergy, theManager.GetScheme(0), (theAngular[it-1]), (theAngular[it]) );
     
     angular->SetTarget(GetTarget());
     angular->SetTargetCode(theTargetCode);
     angular->SetPrimary(GetProjectileRP());
     result = angular->Sample(anEnergy, massCode, targetMass, 
                 theAngularRep, theInterpolation);
     currentMeanEnergy.Put( angular->MeanEnergyOfThisInteraction() );

     delete angular;
#endif
   }

   //      G4cout << " 0 0 @@@ G4ParticleHPContEnergyAngular::Sample " << result->GetDefinition()->GetParticleName() << " E= " << result->GetKineticEnergy() << G4endl;//GDEB

   return result;
}

G4double G4ParticleHPContEnergyAngular::
MeanEnergyOfThisInteraction()
{
   G4double result(0);
   if(currentMeanEnergy.Get()<-1)
   {
     throw G4HadronicException(__FILE__, __LINE__, "G4ParticleHPContEnergyAngular: Logical error in Product class");
   }
   else
   {
     result = currentMeanEnergy.Get();
   }
   currentMeanEnergy.Put( -2 );
   return result;
}


 
void G4ParticleHPContEnergyAngular::ClearHistories()
{ 
   if ( theAngular!= NULL )
   { 
      for ( G4int i = 0 ; i< nEnergy ; i++ ) 
         theAngular[i].ClearHistories(); 
   } 
}