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: G4NormalNavigation.hh,v 2.1 1998/11/02 12:11:54 japost Exp $
+// GEANT4 tag $Name: geant4-00 $
+//
+// 
+// class G4NormalNavigation: Utility for navigation in volumes
+// containing only G4PVPlacement daughter volumes. Paul Kent Aug 96
+
+#ifndef G4NORMALNAVIGATION_HH
+#define G4NORMALNAVIGATION_HH
+
+#include "geomdefs.hh"
+#include "G4NavigationHistory.hh"
+#include "G4AffineTransform.hh"
+#include "G4VPhysicalVolume.hh"
+#include "G4LogicalVolume.hh"
+#include "G4VSolid.hh"
+#include "G4ThreeVector.hh"
+
+class G4NormalNavigation
+{
+public:
+
+// Search positioned volumes in mother at current top level of history for
+// volume containing globalPoint. Do not test the blocked volume. If a
+// containing volume is found, `stack' the new volume and return true,
+// else return false (the point lying in the mother but not any of the
+// daughters). localPoint = global point in local system on entry,
+// point in new system on exit.
+	G4bool LevelLocate(G4NavigationHistory &history,
+			   const G4VPhysicalVolume *blockedVol,
+                           const G4int blockedNum,
+                           const G4ThreeVector &globalPoint,
+                           const G4ThreeVector* globalDirection,
+			   const G4bool pLocatedOnEdge, 
+			   G4ThreeVector &localPoint);
+
+	G4double ComputeStep(const G4ThreeVector &localPoint,
+			     const G4ThreeVector &localDirection,
+			     const G4double currentProposedStepLength,
+			     G4double &newSafety,
+			     G4NavigationHistory &history,
+			     G4bool &validExitNormal,
+			     G4ThreeVector &exitNormal,
+			     G4bool &exiting,
+			     G4bool &entering,
+                             G4VPhysicalVolume *(*pBlockedPhysical),
+                             G4int &blockedReplicaNo);
+
+        G4double ComputeSafety(const G4ThreeVector &globalpoint,
+			       const G4NavigationHistory &history,
+    		               const G4double pMaxLength=DBL_MAX );
+};
+
+#include "G4AuxiliaryNavServices.hh"    // Needed for inline methods
+
+#include "G4NormalNavigation.icc"
+
+#endif