Import Geant4 9.0.0 source tree

2016-06-09 15:16:48 +02:00
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+//
+// ********************************************************************
+// * 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.          *
+// ********************************************************************
+//
+//
+// $Id: G4VErrorLimitProcess.hh,v 1.2 2007/05/29 14:41:35 gcosmo Exp $
+// GEANT4 tag $Name: geant4-09-00 $
+//
+//
+// Class description:
+//
+// Base class for classes limiting the step.
+
+// History:
+//
+// Created:     P.Arce          May 2007
+// --------------------------------------------------------------------
+
+#ifndef G4VErrorLimitProcess_hh
+#define G4VErrorLimitProcess_hh
+
+#include "G4ios.hh" 
+#include "globals.hh"
+#include "G4VDiscreteProcess.hh"
+#include "G4PhysicsTable.hh"
+#include "G4PhysicsLogVector.hh"
+#include "G4ElementTable.hh"
+#include "G4Gamma.hh" 
+#include "G4Electron.hh"
+#include "G4Step.hh" 
+
+class G4ErrorLimitsMessenger;
+
+//-----------------------------------------------------------------
+ 
+class G4VErrorLimitProcess : public G4VDiscreteProcess
+{
+
+ public:  // with description
+  
+  G4VErrorLimitProcess(const G4String& processName);
+  
+  ~G4VErrorLimitProcess();
+  
+  virtual G4double
+  PostStepGetPhysicalInteractionLength( const G4Track& track,
+                                              G4double previousStepSize,
+                                              G4ForceCondition* condition ) = 0;
+    // Returns the step limit
+
+  virtual  G4double GetMeanFreePath(const class G4Track &, G4double,
+                                    enum G4ForceCondition *);
+    // Returns kInfinity
+
+  virtual G4VParticleChange* PostStepDoIt(const G4Track&, const G4Step& );
+    // No action but retrieving the G4VParticleChange
+    // extracted from the G4Track
+
+  // Get and Set methods
+
+  G4double GetStepLimit() const { return theStepLimit; }
+  void SetStepLimit( G4double val ) { theStepLimit = val; }
+
+ protected:
+
+  G4double theStepLimit;  // limit set by the user
+  G4double theStepLength; // step length extracted from the user step limit,
+                          // with the algorithms of each concrete class
+};
+  
+#endif