/usr/include/root/TFoamCell.h is in libroot-math-foam-dev 5.34.30-0ubuntu8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Author: S. Jadach <mailto:Stanislaw.jadach@ifj.edu.pl>, P.Sawicki <mailto:Pawel.Sawicki@ifj.edu.pl>
#ifndef ROOT_TFoamCell
#define ROOT_TFoamCell
////////////////////////////////////////////////////////////////////////////////////
// Class TFoamCell used in TFoam //
// //
// Objects of this class are hyperrectangular cells organized in the binary tree. //
// Special algoritm for encoding relalive positioning of the cells //
// saves total memory allocation needed for the system of cells. //
////////////////////////////////////////////////////////////////////////////////////
#ifndef ROOT_TRef
#include "TRef.h"
#endif
class TFoamVect;
class TFoamCell : public TObject {
// static, the same for all cells!
private:
Short_t fDim; // Dimension of the vector space
// MEMBERS
private:
//--- linked tree organization ---
Int_t fSerial; // Serial number
Int_t fStatus; // Status (active, inactive)
TRef fParent; // Pointer to parent cell
TRef fDaught0; // Pointer to daughter 1
TRef fDaught1; // Pointer to daughter 2
//--- M.C. sampling and choice of the best edge ---
private:
Double_t fXdiv; // Factor for division
Int_t fBest; // Best Edge for division
//--- Integrals of all kinds ---
Double_t fVolume; // Cartesian Volume of cell
Double_t fIntegral; // Integral over cell (estimate from exploration)
Double_t fDrive; // Driver integral, only for cell build-up
Double_t fPrimary; // Primary integral, only for MC generation
//////////////////////////////////////////////////////////////////////////////////////
// METHODS //
//////////////////////////////////////////////////////////////////////////////////////
public:
TFoamCell(); // Default Constructor for ROOT streamers
TFoamCell(Int_t); // User Constructor
TFoamCell(TFoamCell &); // Copy Constructor
virtual ~TFoamCell(); // Destructor
void Fill(Int_t, TFoamCell*, TFoamCell*, TFoamCell*); // Assigns values of attributes
TFoamCell& operator=(const TFoamCell&); // Substitution operator (never used)
//--------------- Geometry ----------------------------------
Double_t GetXdiv() const { return fXdiv;} // Pointer to Xdiv
Int_t GetBest() const { return fBest;} // Pointer to Best
void SetBest(Int_t Best){ fBest =Best;} // Set Best edge candidate
void SetXdiv(Double_t Xdiv){ fXdiv =Xdiv;} // Set x-division for best edge cand.
void GetHcub( TFoamVect&, TFoamVect&) const; // Get position and size vectors (h-cubical subspace)
void GetHSize( TFoamVect& ) const; // Get size only of cell vector (h-cubical subspace)
//--------------- Integrals/Volumes -------------------------
void CalcVolume(); // Calculates volume of cell
Double_t GetVolume() const { return fVolume;} // Volume of cell
Double_t GetIntg() const { return fIntegral;} // Get Integral
Double_t GetDriv() const { return fDrive;} // Get Drive
Double_t GetPrim() const { return fPrimary;} // Get Primary
void SetIntg(Double_t Intg){ fIntegral=Intg;} // Set true integral
void SetDriv(Double_t Driv){ fDrive =Driv;} // Set driver integral
void SetPrim(Double_t Prim){ fPrimary =Prim;} // Set primary integral
//--------------- linked tree organization ------------------
Int_t GetStat() const { return fStatus;} // Get Status
void SetStat(Int_t Stat){ fStatus=Stat;} // Set Status
TFoamCell* GetPare() const { return (TFoamCell*) fParent.GetObject(); } // Get Pointer to parent cell
TFoamCell* GetDau0() const { return (TFoamCell*) fDaught0.GetObject(); } // Get Pointer to 1-st daughter vertex
TFoamCell* GetDau1() const { return (TFoamCell*) fDaught1.GetObject(); } // Get Pointer to 2-nd daughter vertex
void SetDau0(TFoamCell* Daug){ fDaught0 = Daug;} // Set pointer to 1-st daughter
void SetDau1(TFoamCell* Daug){ fDaught1 = Daug;} // Set pointer to 2-nd daughter
void SetSerial(Int_t Serial){ fSerial=Serial;} // Set serial number
Int_t GetSerial() const { return fSerial;} // Get serial number
//--- other ---
void Print(Option_t *option) const ; // Prints cell content
////////////////////////////////////////////////////////////////////////////
ClassDef(TFoamCell,1) //Single cell of FOAM
};
/////////////////////////////////////////////////////////////////////////////
#endif
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