Import Geant4 11.4.0.beta source tree

2025-06-26 09:17:29 +02:00
parent 20a218bbe1
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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.          *
+// ********************************************************************
+//
+// Created 25.03.2025 V.Ivanchenko 
+// on base of codes of S.Incerti & M.Karamitros
+//
+// Double differential cross section data structure
+//
+
+#ifndef  G4DNASamplingTable_HH
+#define  G4DNASamplingTable_HH 1
+
+#include "globals.hh"
+#include <vector>
+
+class G4DNASamplingTable
+{ 
+public:
+  explicit G4DNASamplingTable(std::size_t npoint);
+  ~G4DNASamplingTable();
+
+  void LoadData(const G4String& filename, G4double factorE, G4double scaleFactor,
+		G4bool verbose);
+
+  G4double GetValue(G4double ekinPrimary, G4double ekinSecondary, G4int shell) const;
+
+  G4double SampleCumulative(G4double ekinPrimary, G4int shell) const;
+    
+  G4DNASamplingTable(const G4DNASamplingTable & copy) = delete;
+  G4DNASamplingTable& operator=(const G4DNASamplingTable& right) = delete;
+
+private:
+
+  G4int GetIndex(const std::vector<G4double>&, G4double x) const;
+  
+  G4double VecInterpolation(const std::vector<G4double>* ener,
+			    const std::vector<G4double>* val, G4double energy) const;
+  
+  G4double Interpolate(G4double e1, G4double e2, G4double e,
+		       G4double xs1, G4double xs2) const;
+
+  G4int fNpoints{0};
+  std::vector<G4double> fPrimaryEnergy;
+  std::vector<std::vector<G4double>* > fSecEnergy;
+  std::vector<std::vector<G4double>* > fPDF[5];
+  
+};
+#endif