G4ImportanceAlgorithm.hh

Go to the documentation of this file. Or view the newest version in sPHENIX GitHub for file G4ImportanceAlgorithm.hh

//
// ********************************************************************
// * 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.          *
// ********************************************************************
//
// G4ImportanceAlgorithm
//
// Class description:
//
// An implementation of a G4VImportanceAlgorithm (see description in
// G4VImportanceAlgorithm header).

// Author: Michael Dressel (CERN), 2002
// ----------------------------------------------------------------------
#ifndef G4IMPORTANCEALGORITHM_HH
#define G4IMPORTANCEALGORITHM_HH 1

#include "G4VImportanceAlgorithm.hh"

class G4ImportanceAlgorithm : public G4VImportanceAlgorithm
{
  public:  // with description

    G4ImportanceAlgorithm();
      // simple construction

    virtual ~G4ImportanceAlgorithm();
      // repeate warning if triggered

    virtual G4Nsplit_Weight Calculate(G4double ipre, 
                                      G4double ipost, 
                                      G4double init_w) const;
      // calculate the number of tracks and their weight according to the
      // pre and post importance value and the weight of the mother track

  private:

    void Error(const G4String& m) const;
    void Warning(const G4String& m) const;

  private:

    mutable G4bool fWarned = false;

#ifdef G4MULTITHREADED
    static G4Mutex ImportanceMutex;
#endif

};

#endif