/usr/include/root/TMVA/PDEFoamKernelGauss.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: Dominik Dannheim, Alexander Voigt
/**********************************************************************************
* Project: TMVA - a Root-integrated toolkit for multivariate data analysis *
* Package: TMVA *
* Classes: PDEFoamKernelGauss *
* Web : http://tmva.sourceforge.net *
* *
* Description: *
* PDEFoam kernel, which weights all cell values by a gauss function. *
* *
* Authors (alphabetical): *
* S. Jadach - Institute of Nuclear Physics, Cracow, Poland *
* Tancredi Carli - CERN, Switzerland *
* Dominik Dannheim - CERN, Switzerland *
* Alexander Voigt - TU Dresden, Germany *
* *
* 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_PDEFoamKernelGauss
#define ROOT_TMVA_PDEFoamKernelGauss
#ifndef ROOT_TMVA_PDEFoam
#include "TMVA/PDEFoam.h"
#endif
#ifndef ROOT_TMVA_PDEFoamKernelBase
#include "TMVA/PDEFoamKernelBase.h"
#endif
namespace TMVA
{
class PDEFoamKernelGauss : public PDEFoamKernelBase
{
protected:
Float_t fSigma; // width of gauss curve
// Square function (fastest implementation)
template<typename T> T Sqr(T x) const { return x * x; }
// calculate gaussian weight
Float_t WeightGaus(PDEFoam*, PDEFoamCell*, std::vector<Float_t>&);
// estimate the cell value by its neighbors
Float_t GetAverageNeighborsValue(PDEFoam*, std::vector<Float_t>&, ECellValue);
public:
PDEFoamKernelGauss(Float_t sigma); // Constructor
PDEFoamKernelGauss(const PDEFoamKernelGauss&); // Copy Constructor
virtual ~PDEFoamKernelGauss() {} // Destructor
// kernel estimator
virtual Float_t Estimate(PDEFoam*, std::vector<Float_t>&, ECellValue);
ClassDef(PDEFoamKernelGauss, 1) // Gaussian PDEFoam kernel estimator
}; // end of PDEFoamKernelGauss
} // namespace TMVA
#endif
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