Import Geant4 9.6.0 source tree

2016-06-09 17:01:34 +02:00
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+//
+// ********************************************************************
+// * License and Disclaimer                                           *
+// *                                                                  *
+// * The  Geant4 software  is  copyright of the Copyright Holders  of *
+// * the Geant4 Collaboration.  It is provided  under  the terms  and *
+// * conditions of the Geant4 Software License,  included in the file *
+// * LICENSE and available at  http://cern.ch/geant4/license .  These *
+// * include a list of copyright holders.                             *
+// *                                                                  *
+// * 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.  Please see the license in the file  LICENSE  and URL above *
+// * for the full disclaimer and the limitation of liability.         *
+// *                                                                  *
+// * This  code  implementation is the result of  the  scientific and *
+// * technical work of the GEANT4 collaboration.                      *
+// * By using,  copying,  modifying or  distributing the software (or *
+// * any work based  on the software)  you  agree  to acknowledge its *
+// * use  in  resulting  scientific  publications,  and indicate your *
+// * acceptance of all terms of the Geant4 Software license.          *
+// ********************************************************************
+//
+// INCL++ intra-nuclear cascade model
+// Pekka Kaitaniemi, CEA and Helsinki Institute of Physics
+// Davide Mancusi, CEA
+// Alain Boudard, CEA
+// Sylvie Leray, CEA
+// Joseph Cugnon, University of Liege
+//
+// INCL++ revision: v5.1.8
+//
+#define INCLXX_IN_GEANT4_MODE 1
+
+#include "globals.hh"
+
+/** \file G4INCLNDFGaussian.hh
+ * \brief Class for Gaussian density
+ *
+ * \date 16 July 2012
+ * \author Davide Mancusi
+ */
+
+#ifndef G4INCLNDFGAUSSIAN_HH_
+#define G4INCLNDFGAUSSIAN_HH_
+
+#include "G4INCLIFunction1D.hh"
+#include <cmath>
+
+namespace G4INCL {
+
+  namespace NuclearDensityFunctions {
+
+    class GaussianRP : public IFunction1D {
+      public:
+        GaussianRP(G4double maximumRadius, G4double standardDeviation) :
+          IFunction1D(0., maximumRadius),
+          theStandardDeviation(standardDeviation)
+      {}
+
+        inline G4double operator()(const G4double r) const {
+          const G4double arg = std::pow((r/theStandardDeviation),2);
+          return r*r*arg*std::exp(-arg/2.0);
+        }
+
+      protected:
+        G4double theStandardDeviation;
+    };
+
+    class Gaussian : public IFunction1D {
+      public:
+        Gaussian(G4double maximumRadius, G4double standardDeviation) :
+          IFunction1D(0., maximumRadius),
+          theStandardDeviation(standardDeviation),
+          normalisation(std::sqrt(2./Math::pi)/theStandardDeviation)
+      {}
+
+        inline G4double operator()(const G4double r) const {
+          const G4double arg = std::pow((r/theStandardDeviation),2);
+          return normalisation * arg * std::exp(-arg/2.0);
+        }
+
+      protected:
+        G4double theStandardDeviation;
+        const G4double normalisation;
+    };
+
+  }
+
+}
+
+#endif // G4INCLNDFGAUSSIAN_HH_
+