/usr/include/root/TMVA/PDEFoamDiscriminantDensity.h is in libroot-tmva-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: Tancredi Carli, Dominik Dannheim, Alexander Voigt
/**********************************************************************************
* Project: TMVA - a Root-integrated toolkit for multivariate data analysis *
* Package: TMVA *
* Classes: PDEFoamDiscriminantDensity *
* Web : http://tmva.sourceforge.net *
* *
* Description: *
* Class PDEFoamDiscriminantDensity is a 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_PDEFoamDiscriminantDensity
#define ROOT_TMVA_PDEFoamDiscriminantDensity
#ifndef ROOT_TMVA_PDEFoamDensityBase
#include "TMVA/PDEFoamDensityBase.h"
#endif
namespace TMVA
{
// class definition of underlying event density
class PDEFoamDiscriminantDensity : public PDEFoamDensityBase
{
protected:
UInt_t fClass; // signal class
public:
PDEFoamDiscriminantDensity();
PDEFoamDiscriminantDensity(std::vector<Double_t> box, UInt_t cls);
PDEFoamDiscriminantDensity(const PDEFoamDiscriminantDensity&);
virtual ~PDEFoamDiscriminantDensity() {}
// main function used by PDEFoam
// returns discriminant density N_class/N_total at a given point
// by range searching in BST
virtual Double_t Density(std::vector<Double_t> &Xarg, Double_t &event_density);
ClassDef(PDEFoamDiscriminantDensity, 1) //Class for Discriminant density
}; //end of PDEFoamDiscriminantDensity
} // namespace TMVA
#endif
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