Import Geant4 4.0.0 source tree

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+//
+// ********************************************************************
+// * DISCLAIMER                                                       *
+// *                                                                  *
+// * The following disclaimer summarizes all the specific disclaimers *
+// * of contributors to this software. The specific disclaimers,which *
+// * govern, are listed with their locations in:                      *
+// *   http://cern.ch/geant4/license                                  *
+// *                                                                  *
+// * 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.                                                             *
+// *                                                                  *
+// * This  code  implementation is the  intellectual property  of the *
+// * 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: G4eIonisationSpectrum.hh,v 1.3 2001/11/29 19:01:45 vnivanch Exp $
+// GEANT4 tag $Name: geant4-04-00 $
+//
+// -------------------------------------------------------------------
+//
+// GEANT4 Class file
+//
+//
+// File name:     G4eIonisationSpectrum
+//
+// Author:        V.Ivanchenko (Vladimir.Ivantchenko@cern.ch)
+// 
+// Creation date: 27 September 2001
+//
+// Modifications: 
+// 10.10.01 MGP             Revision to improve code quality and 
+//                          consistency with design
+// 29.11.01  V.Ivanchenko   Parametrisation is updated
+//
+// -------------------------------------------------------------------
+
+// Class Description: 
+// Provides various integration over delta-electron spectrum for e- 
+// ionisation process. Spectrum is parametrised accourding to 
+// EEDL database, details are described in the Physics Reference Manual
+// Further documentation available from http://www.ge.infn.it/geant4/lowE
+
+// -------------------------------------------------------------------
+
+#ifndef G4EIONISATIONSPECTRUM_HH
+#define GG4EIONISATIONSPECTRUM_HH 1
+
+#include "G4VEnergySpectrum.hh"
+ 
+class G4eIonisationParameters;
+class G4DataVector;
+
+class G4eIonisationSpectrum : public G4VEnergySpectrum
+{
+
+public:
+
+  G4eIonisationSpectrum();
+
+  ~G4eIonisationSpectrum();
+
+  G4double Probability(G4int Z, G4double tMin, G4double tMax, 
+		       G4double kineticEnergy, G4int shell,
+		       const G4ParticleDefinition* pd=0) const;
+
+  G4double AverageEnergy(G4int Z, G4double tMin, G4double tMax,
+			 G4double kineticEnergy, G4int shell,
+			 const G4ParticleDefinition* pd=0) const;
+
+  G4double SampleEnergy(G4int Z, G4double tMin, G4double tMax,
+			G4double kineticEnergy, G4int shell,
+			const G4ParticleDefinition* pd=0) const;
+
+  G4double MaxEnergyOfSecondaries(G4double kineticEnergy,
+                                  G4int Z = 0,
+				  const G4ParticleDefinition* pd=0) const
+  { return 0.5*kineticEnergy; };
+
+  G4double Excitation(G4int Z, G4double e) const;
+  
+  void PrintData() const;
+
+protected:
+
+private:
+
+  G4double IntSpectrum(G4double xMin, G4double xMax,
+                         const G4DataVector& p) const; 
+  
+  G4double AverageValue(G4double xMin, G4double xMax,
+			const G4DataVector& p) const; 
+  
+  G4double Function(G4double x, const G4DataVector& p) const; 
+  
+  // Hide copy constructor and assignment operator 
+  G4eIonisationSpectrum(const  G4eIonisationSpectrum&);
+  G4eIonisationSpectrum & operator = (const G4eIonisationSpectrum &right);
+  
+private:
+  
+  G4eIonisationParameters* theParam;
+  G4double                 lowestE;
+  G4double                 factor;
+  G4int                    verbose;            
+};
+
+
+#endif