Import Geant4 0.0.0 source tree

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+// This code implementation is the intellectual property of
+// the RD44 GEANT4 collaboration.
+//
+// By copying, distributing or modifying the Program (or any work
+// based on the Program) you indicate your acceptance of this statement,
+// and all its terms.
+//
+// $Id: G4UserLimits.hh,v 2.1 1998/07/12 02:58:59 urbi Exp $
+// GEANT4 tag $Name: geant4-00 $
+//
+// 
+//
+// class G4UserLimits Simple placeholder for user Step limitations
+// Paul Kent August 96
+// 
+// 01-11-97: change GetMaxAllowedStep(), Hisaya Kurashige
+// 08-04-98: new data members, mma
+//
+#ifndef G4USERLIMITS_HH
+#define G4USERLIMITS_HH
+#include "globals.hh"
+class G4Track;
+
+class G4UserLimits
+{
+public:
+  G4UserLimits(G4double ustepMax = DBL_MAX,
+               G4double utrakMax = DBL_MAX,
+               G4double utimeMax = DBL_MAX,
+	       G4double uekinMin = 0.,
+	       G4double urangMin = 0. );
+  virtual ~G4UserLimits();
+
+public:
+  // If a Logical Volume has a G4UserLimits object, 
+  //the Step length should be limited as shorter 
+  //than MaxAllowedStep in the volume.
+  // In the current design, the others limits are irrelavant in tracking
+  
+  virtual G4double GetMaxAllowedStep(const G4Track&);  
+  virtual G4double GetUserMaxTrackLength(const G4Track&) ;
+  virtual G4double GetUserMaxTime (const G4Track&);
+  virtual G4double GetUserMinEkine(const G4Track&);
+  virtual G4double GetUserMinRange(const G4Track&);
+  
+  virtual void SetMaxAllowedStep(G4double ustepMax);    
+  virtual void SetUserMaxTrackLength(G4double utrakMax);
+  virtual void SetUserMaxTime(G4double utimeMax);
+  virtual void SetUserMinEkine(G4double uekinMin);
+  virtual void SetUserMinRange(G4double urangMin);
+ 
+protected:
+  G4double fMaxStep;        //max allowed Step size in this volume 
+  G4double fMaxTrack;       //max total track length
+  G4double fMaxTime;        //max time
+  G4double fMinEkine;       //min kinetic energy
+  G4double fMinRange;       //min remaining range
+};
+
+#include "G4UserLimits.icc"
+
+#endif