G4GeneralParticleSourceData.cc

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//
// G4GeneralParticleSourceData class implementation
//
// Author: Andrew Green, 20.03.2014
// --------------------------------------------------------------------
 
#include "G4GeneralParticleSourceData.hh"
#include "G4Threading.hh"
#include "G4AutoLock.hh"
 
namespace
{
  G4Mutex singMutex = G4MUTEX_INITIALIZER; // Protects singleton access
}
 
G4GeneralParticleSourceData::G4GeneralParticleSourceData()
{
  G4MUTEXINIT(mutex);
    
  sourceVector.clear();
  sourceIntensity.clear();
  sourceProbability.clear();
    
  currentSource = new G4SingleParticleSource();
  sourceVector.push_back(currentSource);
  sourceIntensity.push_back(1.);
}
 
G4GeneralParticleSourceData::~G4GeneralParticleSourceData()
{
  G4MUTEXDESTROY(mutex);
  for ( auto it = sourceVector.cbegin(); it != sourceVector.cend(); ++it )
  {
    delete *it;
  }
  sourceVector.clear();
}
 
G4GeneralParticleSourceData* G4GeneralParticleSourceData::Instance()
{
  G4AutoLock lock(&singMutex);
  static G4GeneralParticleSourceData instance;
  return &instance;
}
 
void G4GeneralParticleSourceData::IntensityNormalise()
{
  G4double total  = 0.;
  std::size_t i = 0 ;
  for (i = 0; i < sourceIntensity.size(); ++i)
  {
    total += sourceIntensity[i] ;
  }
  sourceProbability.clear();
  std::vector <G4double> sourceNormalizedIntensity;
  sourceNormalizedIntensity.clear();
    
  sourceNormalizedIntensity.push_back(sourceIntensity[0]/total);
  sourceProbability.push_back(sourceNormalizedIntensity[0]);
 
  for (i = 1 ;  i < sourceIntensity.size(); ++i)
  {
    sourceNormalizedIntensity.push_back(sourceIntensity[i]/total);
    sourceProbability.push_back(sourceNormalizedIntensity[i]+sourceProbability[i-1]);
  }
 
  // set source weights here based on sampling scheme (analog/flat)
  // and intensities
  //
  for (i = 0 ;  i < sourceIntensity.size(); ++i)
  {
    if (!flat_sampling)
    {
      GetCurrentSource(i)->GetBiasRndm()->SetIntensityWeight(1.);
    }
    else
    {
      GetCurrentSource(i)->GetBiasRndm()
      ->SetIntensityWeight(sourceNormalizedIntensity[i]*sourceIntensity.size());
    }
  }
  normalised = true;
}
 
void G4GeneralParticleSourceData::SetCurrentSourceIntensity(G4double intensity)
{
  sourceIntensity.at(currentSourceIdx) = intensity;
  normalised = false;
}
 
void G4GeneralParticleSourceData::AddASource(G4double intensity)
{
  currentSource = new G4SingleParticleSource();
  sourceVector.push_back(currentSource);
  sourceIntensity.push_back(intensity);
  currentSourceIdx = sourceVector.size() - 1;
  normalised = false;
}
 
void G4GeneralParticleSourceData::DeleteASource(G4int idx)
{
  delete sourceVector[idx];
  sourceVector.erase(sourceVector.begin() + idx);
  sourceIntensity.erase(sourceIntensity.begin()+idx);
  normalised = false ;
  if (currentSourceIdx == idx )
  {
    if ( GetIntensityVectorSize() > 0 )
    {
      currentSource = GetCurrentSource(0);
      currentSourceIdx = 0;
    }
    else
    {
      currentSource = nullptr;
      currentSourceIdx = -1;
    }
  }
}
 
void G4GeneralParticleSourceData::ClearSources()
{
  currentSourceIdx = -1;
  currentSource = nullptr;
  for ( auto it = sourceVector.cbegin(); it != sourceVector.cend(); ++it )
  {
    delete *it;
  }
  sourceVector.clear();
  sourceIntensity.clear();
  normalised = false;
}
 
void G4GeneralParticleSourceData::SetVerbosityAllSources(G4int vl)
{
  for ( auto it = sourceVector.cbegin(); it != sourceVector.cend(); ++it )
  {
    (*it)->SetVerbosity(vl);
  }
}
 
G4SingleParticleSource* G4GeneralParticleSourceData::GetCurrentSource(G4int idx)
{
  currentSource = sourceVector[idx];
  currentSourceIdx = idx;
  return sourceVector[idx];
}
 
void G4GeneralParticleSourceData::Lock()
{
  G4MUTEXLOCK(&mutex);
}
 
void G4GeneralParticleSourceData::Unlock()
{
  G4MUTEXUNLOCK(&mutex);
}