Gabriele Cosmo
168 lines
7.0 KiB
C++
168 lines
7.0 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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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. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4PhysicsVector.hh,v 1.9.2.1 2001/06/28 19:10:03 gunter Exp $
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// GEANT4 tag $Name: $
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//
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//
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//---------------------------------------------------------------
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// GEANT 4 class header file
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//
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// G4PhysicsVector.hh
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//
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// Class description:
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//
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// A physics vector which has values of energy-loss, cross-section,
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// and other physics values of a particle in matter in a given
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// range of the energy, momentum, etc.
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// This class serves as the base class for a vector having various
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// energy scale, for example like 'log', 'linear', 'free', etc.
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// History:
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// 02 Dec. 1995, G.Cosmo : Structure created based on object model
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// 03 Mar. 1996, K.Amako : Implemented the 1st version
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// 27 Apr. 1996, K.Amako : Cache mechanism added
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// 01 Jul. 1996, K.Amako : Now GetValue not virtual
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// 21 Sep. 1996, K.Amako : Added [] and () operators
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// 11 Nov. 2000, H.Kurashige : use STL vector for dataVector and binVector
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// 18 Jan. 2001, H.Kurashige : removed ptrNextTable
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// 09 Mar. 2001, H.Kurashige : added G4PhysicsVectorType & Store/Retrieve()
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//
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//---------------------------------------------------------------
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#ifndef G4PhysicsVector_h
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#define G4PhysicsVector_h 1
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#include "g4std/vector"
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#include "globals.hh"
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#include "G4ios.hh"
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#include "g4std/iostream"
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#include "g4std/fstream"
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#include "G4PhysicsVectorType.hh"
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class G4PhysicsVector
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{
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public:
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G4PhysicsVector();
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// constructor
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// This class is an abstract class with pure virtual method of
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// virtual size_t FindBinLocation(G4double theEnergy) const
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// So, default constructor is not supposed to be invoked explicitly
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public: // with description
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virtual ~G4PhysicsVector();
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// destructor
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inline G4double GetValue(G4double theEnergy, G4bool& isOutRange);
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// Get the cross-section/energy-loss value corresponding to the
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// given energy. An appropriate interpolation is used to calculate
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// the value.
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// [Note] isOutRange is not used anymore. This argument is kept
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// for the compatibility reason.
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G4int operator==(const G4PhysicsVector &right) const ;
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G4int operator!=(const G4PhysicsVector &right) const ;
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inline G4double operator[](const size_t binNumber) const ;
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// Returns simply the value in the bin specified by 'binNumber'
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// of the dataVector. The boundary check will be Done. If you
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// don't want this check, use the operator ().
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inline G4double operator()(const size_t binNumber) const ;
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// Returns simply the value in the bin specified by 'binNumber'
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// of the dataVector. The boundary check will not be Done. If
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// you want this check, use the operator [].
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inline void PutValue(size_t binNumber, G4double theValue);
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// Put 'theValue' into the bin specified by 'binNumber'.
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// Take note that the 'binNumber' starts from '0'.
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// To fill the vector, you have beforehand to Construct a vector
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// by the constructor with Emin, Emax, Nbin. 'theValue' should
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// be the crosssection/energyloss value corresponding to the low
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// edge energy of the bin specified by 'binNumber'. You can get
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// the low edge energy value of a bin by GetLowEdgeEnergy().
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virtual G4double GetLowEdgeEnergy(size_t binNumber) const;
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// Get the energy value at the low edge of the specified bin.
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// Take note that the 'binNumber' starts from '0'.
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// This value is defined when a physics vector is constructed
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// by a constructor of a derived class. Use this function
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// when you fill physis vector by PutValue().
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inline size_t GetVectorLength() const;
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// Get the toal length (bin number) of the vector.
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inline G4bool IsFilledVectorExist() const;
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// Is non-empty physics vector already exist?
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inline void PutComment(const G4String& theComment);
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// Put a comment to the G4PhysicsVector. This may help to check
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// whether your are accessing to the one you want.
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inline const G4String& GetComment() const;
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// Retrieve the comment of the G4PhysicsVector.
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inline G4PhysicsVectorType GetType() const;
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// Get physics vector type
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virtual G4bool Store(G4std::ofstream& fOut, G4bool ascii=false);
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virtual G4bool Retrieve(G4std::ifstream& fIn, G4bool ascii=false);
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// To store/retrieve persistent data to/from file streams.
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friend G4std::ostream& operator<<(G4std::ostream&, const G4PhysicsVector&);
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protected:
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typedef G4std::vector<G4double> G4PVDataVector;
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G4PhysicsVectorType type; // The type of PhysicsVector (enumerator)
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G4double edgeMin; // Lower edge value of the lowest bin
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G4double edgeMax; // Lower edge value of the highest bin
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size_t numberOfBin;
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G4double lastEnergy; // Cache the last input value
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G4double lastValue; // Cache the last output value
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size_t lastBin; // Cache the last bin location
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G4PVDataVector dataVector; // Vector to keep the crossection/energyloss
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G4PVDataVector binVector; // Vector to keep the low edge value of bin
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inline G4double LinearInterpolation(G4double theEnergy, size_t theLocBin);
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// Linear interpolation function
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virtual size_t FindBinLocation(G4double theEnergy) const=0;
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// Find the bin# in which theEnergy belongs - pure virtual function
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protected:
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G4PhysicsVector(const G4PhysicsVector&);
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G4PhysicsVector& operator=(const G4PhysicsVector&);
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// Protected copy constructor and assignment operator.
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private:
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G4String comment;
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};
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#include "G4PhysicsVector.icc"
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#endif
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