G4FPYBiasedLightFragmentDist.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.          *
// ********************************************************************
//
/*
 * File:   G4FPYBiasedLightFragmentDist.cc
 * Author: B. Wendt (wendbryc@isu.edu)
 *
 * Created on June 2, 2011, 11:02 AM
 */
 
#include "G4FPYBiasedLightFragmentDist.hh"
 
#include "G4FFGDebuggingMacros.hh"
#include "G4FFGEnumerations.hh"
#include "G4FissionProductYieldDist.hh"
#include "G4Ions.hh"
#include "Randomize.hh"
#include "globals.hh"
 
G4FPYBiasedLightFragmentDist::G4FPYBiasedLightFragmentDist(
  G4int WhichIsotope, G4FFGEnumerations::MetaState WhichMetaState,
  G4FFGEnumerations::FissionCause WhichCause, G4FFGEnumerations::YieldType WhichYieldType,
  std::istringstream& dataStream)
  : G4FissionProductYieldDist(WhichIsotope, WhichMetaState, WhichCause, WhichYieldType, dataStream)
{
  // Initialize the class
  Initialize();
}
G4FPYBiasedLightFragmentDist::G4FPYBiasedLightFragmentDist( {…}
 
G4FPYBiasedLightFragmentDist::G4FPYBiasedLightFragmentDist(
  G4int WhichIsotope, G4FFGEnumerations::MetaState WhichMetaState,
  G4FFGEnumerations::FissionCause WhichCause, G4FFGEnumerations::YieldType WhichYieldType,
  G4int Verbosity, std::istringstream& dataStream)
  : G4FissionProductYieldDist(WhichIsotope, WhichMetaState, WhichCause, WhichYieldType, Verbosity,
                              dataStream)
{
  // Initialize the class
  Initialize();
}
G4FPYBiasedLightFragmentDist::G4FPYBiasedLightFragmentDist( {…}
 
void G4FPYBiasedLightFragmentDist::Initialize()
{
  G4FFG_FUNCTIONENTER__
 
  // Initialize the half-weight for fission product sampling
  HalfWeight_ = (G4int)floor((Isotope_ % 1000) / 2.0);
 
  G4FFG_FUNCTIONLEAVE__
}
void G4FPYBiasedLightFragmentDist::Initialize() {…}
 
G4Ions* G4FPYBiasedLightFragmentDist::GetFissionProduct()
{
  G4FFG_FUNCTIONENTER__
 
  G4Ions* Particle;
  G4bool IsHeavy;
  G4bool IsNotFeasable;
  G4int Counter;
 
  Counter = 0;
  do {
    // If we have sampled too many times then we may need to do something else
    if (Counter == 1000) {
      Particle = nullptr;
      break;
    }
 
    // Generate a (0, 1] random number, then find the corresponding particle
    Particle = FindParticle(RandomEngine_->G4SampleUniform());
 
    // If the daughter is heavier than half of the original nucleus weight
    // or not physically feasable then set the flags to sample again
    IsHeavy = (Particle->GetAtomicMass() > HalfWeight_);
    IsNotFeasable = (Particle->GetAtomicMass() > RemainingA_ + 1
                     || Particle->GetAtomicNumber() > RemainingZ_ + 1);
 
    Counter++;
  } while (IsHeavy || IsNotFeasable);  // Loop checking, 11.05.2015, T. Koi
 
  // Something went wrong, so figure out how to fix it
  if (Particle == nullptr) {
    /// \todo   Figure out what to do if a suitable particle is not found in 1000 iterations
  }
 
  // Return the G4ParticleDefintion pointer to the random light fragment
  G4FFG_FUNCTIONLEAVE__
  return Particle;
}
G4Ions* G4FPYBiasedLightFragmentDist::GetFissionProduct() {…}
 
G4FPYBiasedLightFragmentDist::~G4FPYBiasedLightFragmentDist()
{
  G4FFG_FUNCTIONENTER__
 
  // Empty - all the data elements to be deconstructed are removed by
  // ~G4FissionProductYieldDist()
  G4FFG_FUNCTIONLEAVE__
}
G4FPYBiasedLightFragmentDist::~G4FPYBiasedLightFragmentDist() {…}