/usr/include/root/TMVA/TSpline1.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: Andreas Hoecker, Joerg Stelzer, Helge Voss, Kai Voss
/**********************************************************************************
* Project: TMVA - a Root-integrated toolkit for multivariate data analysis *
* Package: TMVA *
* Class : TSpline1 *
* Web : http://tmva.sourceforge.net *
* *
* Description: *
* Linear interpolation class; derivative of TSpline *
* *
* Authors (alphabetical): *
* Andreas Hoecker <Andreas.Hocker@cern.ch> - CERN, Switzerland *
* Helge Voss <Helge.Voss@cern.ch> - MPI-K Heidelberg, Germany *
* Kai Voss <Kai.Voss@cern.ch> - U. of Victoria, Canada *
* *
* Copyright (c) 2005: *
* CERN, Switzerland *
* U. of Victoria, Canada *
* 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_TSpline1
#define ROOT_TMVA_TSpline1
//////////////////////////////////////////////////////////////////////////
// //
// TSpline1 //
// //
// Linear interpolation class //
// //
//////////////////////////////////////////////////////////////////////////
#ifndef ROOT_TSpline
#include "TSpline.h"
#endif
namespace TMVA {
class TSpline1 : public TSpline {
public:
TSpline1( const TString& title, TGraph* theGraph );
virtual ~TSpline1( void );
virtual Double_t Eval( Double_t x ) const;
// dummy implementations
virtual void BuildCoeff( void );
virtual void GetKnot( Int_t i, Double_t& x, Double_t& y ) const;
const TGraph* GetGraph() const { return fGraph; }
private:
TGraph *fGraph; // graph that is splined
ClassDef(TSpline1,0) //Linear interpolation class
};
} // namespace TMVA
#endif
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