Gabriele Cosmo
77 lines
2.9 KiB
C++
77 lines
2.9 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//---------------------------------------------------------------------------
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//
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// ClassName: G4VMaterialExtension
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//
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// Description: Contains extended material properties
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//
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// Class description:
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//
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// Is used to define the additional material information. This class
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// is an abstract base class to be extended for each extension.
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// Object(s) of G4VMaterialExtension should be registered to
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// G4ExtendedMaterial.
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//
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#ifndef G4VMATERIALEXTENSION_HH
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#define G4VMATERIALEXTENSION_HH 1
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#include "G4String.hh"
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#include "G4ios.hh"
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#include "globals.hh"
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#include <functional>
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#include <string>
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// Hash of extension material name
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using G4MaterialExtensionHash = std::hash<std::string>;
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class G4VMaterialExtension
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{
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public: // with description
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// Base class constructor
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G4VMaterialExtension(const G4String& name) : fName(name), fHash(G4MaterialExtensionHash{}(name))
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{}
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virtual ~G4VMaterialExtension() = default;
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virtual void Print() const = 0;
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// Return the hash value of this extension
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const std::size_t& GetHash() const { return fHash; }
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// Return the extension name
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const G4String& GetName() const { return fName; }
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protected:
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// Name of the extension
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const G4String& fName;
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// Hash value of the name.
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// Calculated at initialization time
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const std::size_t fHash;
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};
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#endif
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