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: ExN05MinRangeCuts.cc,v 2.3 1998/08/16 14:09:56 kurasige Exp $
+// GEANT4 tag $Name: geant4-00 $
+//
+// 
+// --------------------------------------------------------------
+//	GEANT 4 class implementation file 
+//
+//	For information related to this code contact:
+//	CERN, CN Division, ASD Group
+//	History: first implementation, based on object model of
+//	2nd December 1995, G.Cosmo
+// --------------------------------------------------------------
+//                   15 April 1998 M.Maire
+// --------------------------------------------------------------
+
+#include "ExN05MinRangeCuts.hh"
+
+#include "G4Step.hh"
+#include "G4UserLimits.hh"
+#include "G4VParticleChange.hh"
+#include "G4EnergyLossTables.hh"
+
+ExN05MinRangeCuts::ExN05MinRangeCuts(const G4String& aName)
+  : ExN05SpecialCuts(aName)
+{
+   if (verboseLevel>1) {
+     G4cout << GetProcessName() << " is created "<< endl;
+   }
+   SetProcessType(fUserDefined);
+}
+
+ExN05MinRangeCuts::~ExN05MinRangeCuts()
+{}
+
+ExN05MinRangeCuts::ExN05MinRangeCuts(ExN05MinRangeCuts& right)
+{}
+
+ 
+G4double ExN05MinRangeCuts::PostStepGetPhysicalInteractionLength(
+                             const G4Track& aTrack,
+			     G4double ,
+			     G4ForceCondition* condition
+			    )
+{
+  // condition is set to "Not Forced"
+  *condition = NotForced;
+
+   G4double     proposedStep = DBL_MAX;
+   // get the pointer to UserLimits
+   G4UserLimits* pUserLimits = aTrack.GetVolume()->GetLogicalVolume()->GetUserLimits();
+   const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
+   G4ParticleDefinition* aParticleDef = aTrack.GetDefinition();
+  
+   if (pUserLimits) {
+     G4double temp = DBL_MAX;
+
+     //min remaining range
+     G4double    eKine     = aParticle->GetKineticEnergy();
+     G4Material* aMaterial = aTrack.GetMaterial();
+     G4double    rangeNow = DBL_MAX;
+     if (aParticleDef->GetPDGCharge() != 0.0) {
+       rangeNow = G4EnergyLossTables::GetRange(aParticleDef,eKine,aMaterial);
+     }
+     temp = (rangeNow - pUserLimits->GetUserMinRange(aTrack));
+     if (temp < 0.) {
+       proposedStep = 0.;
+     } else {
+       if (proposedStep > temp) proposedStep = temp;
+     }
+
+   }
+   return proposedStep;
+}