G4NistManager.cc

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// $Id: G4NistManager.cc 105820 2017-08-22 08:03:26Z gcosmo $
//
// -------------------------------------------------------------------
//
// GEANT4 Class file
//
//
// File name:     G4NistManager
//
// Author:        Vladimir Ivanchenko
//
// Creation date: 23.12.2004
//
// Modifications:
// 27.02.06 V.Ivanchneko add ConstructNewGasMaterial
// 18.04.06 V.Ivanchneko add combined creation of materials (NIST + user)
// 11.05.06 V.Ivanchneko add warning flag to FindMaterial method
// 26.07.07 V.Ivanchneko modify destructor to provide complete destruction
//                       of all elements and materials
// 27-07-07, improve destructor (V.Ivanchenko) 
// 28.07.07 V.Ivanchneko make simple methods inline
// 28.07.07 V.Ivanchneko simplify Print methods
// 26.10.11, new scheme for G4Exception  (mma) 
//
// -------------------------------------------------------------------
//
// Class Description:
//
// Element data from the NIST DB on Atomic Weights and Isotope Compositions
// http://physics.nist.gov/PhysRefData/Compositions/index.html
//
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#include "G4NistManager.hh"
#include "G4NistMessenger.hh"
#include "G4Isotope.hh"

G4NistManager* G4NistManager::instance = nullptr;
#ifdef G4MULTITHREADED
  G4Mutex G4NistManager::nistManagerMutex = G4MUTEX_INITIALIZER;
#endif

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G4NistManager* G4NistManager::Instance()
{
  if (instance == nullptr) {
#ifdef G4MULTITHREADED
    G4MUTEXLOCK(&nistManagerMutex);
    if (instance == nullptr) {
#endif
      static G4NistManager manager;
      instance = &manager;
#ifdef G4MULTITHREADED
    }
    G4MUTEXUNLOCK(&nistManagerMutex);
#endif
  }
  return instance;
}

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G4NistManager::~G4NistManager()
{
  //  G4cout << "NistManager: start material destruction" << G4endl;
  const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
  size_t nmat = theMaterialTable->size();
  size_t i;
  for(i=0; i<nmat; i++) {
    if((*theMaterialTable)[i]) { delete (*theMaterialTable)[i]; }
  }
  //  G4cout << "NistManager: start element destruction" << G4endl;
  const G4ElementTable* theElementTable = G4Element::GetElementTable();
  size_t nelm = theElementTable->size();
  for(i=0; i<nelm; i++) {
    if((*theElementTable)[i]) { delete (*theElementTable)[i]; }
  }
  //  G4cout << "NistManager: start isotope destruction" << G4endl;
  const G4IsotopeTable* theIsotopeTable = G4Isotope::GetIsotopeTable();
  size_t niso = theIsotopeTable->size();
  for(i=0; i<niso; i++) {
    if((*theIsotopeTable)[i]) { delete (*theIsotopeTable)[i]; }
  }
  //  G4cout << "NistManager: end isotope destruction" << G4endl;
  delete messenger;
  delete matBuilder;
  delete elmBuilder;  
  // G4cout << "NistManager: end destruction" << G4endl;
}

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G4Material* 
G4NistManager::BuildMaterialWithNewDensity(const G4String& name,
             const G4String& basename, 
             G4double density,
             G4double temperature,
             G4double pressure)
{
  G4Material* bmat = FindOrBuildMaterial(name);
  if(bmat) {
    G4cout << "G4NistManager::BuildMaterialWithNewDensity ERROR: " << G4endl;
    G4cout << " New material <" << name << "> cannot be built because material"
     << " with the same name already exist" << G4endl;
    G4Exception("G4NistManager::BuildMaterialWithNewDensity()", "mat101",
                 FatalException, "Wrong material name");
    return 0;
  }
  bmat = FindOrBuildMaterial(basename);
  if(!bmat) {
    G4cout << "G4NistManager::BuildMaterialWithNewDensity ERROR: " << G4endl;
    G4cout << " New material <" << name << "> cannot be built because " 
     << G4endl;
    G4cout << " base material <" << basename << "> does not exist" << G4endl;
    G4Exception("G4NistManager::BuildMaterialWithNewDensity()", "mat102",
                 FatalException, "Wrong material name");    
    return 0;
  }
  G4double dens = density;
  G4double temp = temperature;
  G4double pres = pressure;
  if(dens == 0.0) { 
    dens = bmat->GetDensity();
    temp = bmat->GetTemperature();
    pres = bmat->GetPressure(); 
  }
  G4Material* mat = new G4Material(name, dens, bmat, bmat->GetState(),
           temp, pres);
  return mat;
}
  
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void G4NistManager::PrintElement(const G4String& symbol) const
{
  if (symbol == "all") { elmBuilder->PrintElement(0); }
  else                 { elmBuilder->PrintElement(elmBuilder->GetZ(symbol)); }
}

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void G4NistManager::PrintG4Element(const G4String& name) const
{
  const G4ElementTable* theElementTable = G4Element::GetElementTable();
  size_t nelm = theElementTable->size();
  for(size_t i=0; i<nelm; i++) {
    G4Element* elm = (*theElementTable)[i];
    if ( name == elm->GetName() || "all" == name) {
      G4cout << *elm << G4endl;
    }
  }
}

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void G4NistManager::PrintG4Material(const G4String& name) const
{
  const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
  size_t nmat = theMaterialTable->size();
  for(size_t i=0; i<nmat; i++) {
    G4Material* mat = (*theMaterialTable)[i];
    if ( name == mat->GetName() || "all" == name) {
      G4cout << *mat << G4endl;
    }
  }
}

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void G4NistManager::SetVerbose(G4int val)
{
  verbose = val;
  elmBuilder->SetVerbose(val);
  matBuilder->SetVerbose(val);
}

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#include "G4Threading.hh"

G4NistManager::G4NistManager()
{
  if(G4Threading::IsWorkerThread() == true) { 
    G4Exception ("G4NistMaterial::G4NistManager()", "mat090", FatalException, 
                 "Attempt to instantiate G4NistManager in worker thread");
  }

  nElements  = 0;
  nMaterials = 0;
  verbose    = 0;

  elmBuilder = new G4NistElementBuilder(verbose);
  matBuilder = new G4NistMaterialBuilder(elmBuilder,verbose);
  
  messenger  = new G4NistMessenger(this);  
  g4pow = G4Pow::GetInstance();

  // compute frequently used values for mean atomic numbers
  for(G4int j=1; j<101; ++j) {
    G4double A = elmBuilder->GetAtomicMassAmu(j);
    POWERA27[j] = std::pow(A,0.27);
    LOGAZ[j]    = std::log(A);
  }
  POWERA27[0] = 1.0;
  LOGAZ[0]    = 0.0;
}

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