/usr/include/root/TMVA/PDEFoamDensityBase.h is in libroot-tmva-dev 5.34.19+dfsg-1.2.
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: Tancredi Carli, Dominik Dannheim, Alexander Voigt
/**********************************************************************************
* Project: TMVA - a Root-integrated toolkit for multivariate data analysis *
* Package: TMVA *
* Classes: PDEFoamDensityBase *
* Web : http://tmva.sourceforge.net *
* *
* Description: *
* Class PDEFoamDensityBase is an Abstract class representing *
* n-dimensional real positive integrand function *
* The main function is Density() which provides the event density at a *
* given point during the foam build-up (sampling). *
* *
* Authors (alphabetical): *
* Tancredi Carli - CERN, Switzerland *
* Dominik Dannheim - CERN, Switzerland *
* S. Jadach - Institute of Nuclear Physics, Cracow, Poland *
* Alexander Voigt - TU Dresden, Germany *
* Peter Speckmayer - CERN, Switzerland *
* *
* Copyright (c) 2008, 2010: *
* CERN, Switzerland *
* MPI-K Heidelberg, Germany *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted according to the terms listed in LICENSE *
* (http://tmva.sourceforge.net/LICENSE) *
**********************************************************************************/
#ifndef ROOT_TMVA_PDEFoamDensityBase
#define ROOT_TMVA_PDEFoamDensityBase
#ifndef ROOT_TObject
#include "TObject.h"
#endif
#ifndef ROOT_TMVA_BinarySearchTree
#include "TMVA/BinarySearchTree.h"
#endif
#ifndef ROOT_TMVA_Event
#include "TMVA/Event.h"
#endif
#ifndef ROOT_TMVA_MsgLogger
#include "TMVA/MsgLogger.h"
#endif
namespace TMVA
{
// class definition of underlying density
class PDEFoamDensityBase : public ::TObject
{
private:
std::vector<Double_t> fBox; // range-searching box
Double_t fBoxVolume; // volume of range searching box
Bool_t fBoxHasChanged; // range searching box has changed
protected:
BinarySearchTree *fBst; // Binary tree to find events within a volume
mutable MsgLogger *fLogger; //! message logger
MsgLogger& Log() const { return *fLogger; }
// calculate volume of fBox
Double_t GetBoxVolume();
public:
PDEFoamDensityBase();
PDEFoamDensityBase(std::vector<Double_t> box);
PDEFoamDensityBase(const PDEFoamDensityBase&);
virtual ~PDEFoamDensityBase();
// fill event into binary search tree
void FillBinarySearchTree(const Event* ev);
// set the range-searching box
void SetBox(std::vector<Double_t> box) { fBox = box; fBoxHasChanged = kTRUE; }
// get the range-searching box
const std::vector<Double_t>& GetBox() const { return fBox; }
// main function used by PDEFoam
// returns density at a given point by range searching in BST
virtual Double_t Density(std::vector<Double_t> &Xarg, Double_t &event_density) = 0;
ClassDef(PDEFoamDensityBase, 1) // PDEFoam event density interface
}; //end of PDEFoamDensityBase
} // namespace TMVA
#endif
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