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: G4Nucleon.cc,v 1.1 1998/08/22 08:58:10 hpw Exp $
+// GEANT4 tag $Name: geant4-00 $
+//
+#include "G4Nucleon.hh"
+
+// ------------------------------------------------------------
+//      GEANT 4 class implementation file
+//
+//      For information related to this code contact:
+//      CERN, CN Division, ASD group
+//      ---------------- G4Nucleon ----------------
+//             by Gunter Folger, May 1998.
+//       class for a nucleon (inside a 3D Nucleus)
+// ------------------------------------------------------------
+
+G4Nucleon::G4Nucleon()
+: theBindingE(0.) , theParticleType(NULL), theSplitableHadron(NULL)
+{}
+
+G4Nucleon::~G4Nucleon()
+{
+}
+
+void G4Nucleon::Boost(const G4LorentzVector & aMomentum)
+{
+
+//   see e.g. CERNLIB short writeup U101 for the algorithm
+
+	G4double mass=aMomentum.mag();
+	G4double factor=
+	    ( theMomentum.vect()*aMomentum.vect()/(aMomentum.e()+mass) - theMomentum.e() ) / mass;
+
+	theMomentum.setE(1/mass*theMomentum.dot(aMomentum));
+	theMomentum.setVect(factor*aMomentum.vect() + theMomentum.vect());
+}