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Viewing changes to Software/mc/simulation/analysis/analysis_tmva/tmva-v4.1.2/inc/TMVA/TSpline2.h

  • Committer: Ruslan Asfandiyarov
  • Date: 2014-05-05 13:42:31 UTC
  • Revision ID: ruslan.asfandiyarov@gmail.com-20140505134231-457q0dfw5cjv2kw9
added geant4 analysis code

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Software/mc/simulation/analysis/analysis_tmva/tmva-v4.1.2/inc/TMVA/TSpline2.h
 
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// @(#)root/tmva $Id: TSpline2.h 39395 2011-05-26 10:05:54Z moneta $
 
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// Author: Andreas Hoecker, Joerg Stelzer, Helge Voss, Kai Voss 
 
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/**********************************************************************************
 
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 * Project: TMVA - a Root-integrated toolkit for multivariate data analysis       *
 
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 * Package: TMVA                                                                  *
 
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 * Class  : TSpline2                                                              *
 
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 * Web    : http://tmva.sourceforge.net                                           *
 
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 *                                                                                *
 
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 * Description:                                                                   *
 
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 *      Quadratic spline class; uses quadrax function for interpolation           *
 
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 *                                                                                *
 
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 * Authors (alphabetical):                                                        *
 
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 *      Andreas Hoecker <Andreas.Hocker@cern.ch> - CERN, Switzerland              *
 
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 *      Helge Voss      <Helge.Voss@cern.ch>     - MPI-K Heidelberg, Germany      *
 
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 *      Kai Voss        <Kai.Voss@cern.ch>       - U. of Victoria, Canada         *
 
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 *                                                                                *
 
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 * Copyright (c) 2005:                                                            *
 
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 *      CERN, Switzerland                                                         * 
 
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 *      U. of Victoria, Canada                                                    * 
 
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 *      MPI-K Heidelberg, Germany                                                 * 
 
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 *                                                                                *
 
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 * Redistribution and use in source and binary forms, with or without             *
 
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 * modification, are permitted according to the terms listed in LICENSE           *
 
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 * (http://tmva.sourceforge.net/LICENSE)                                          *
 
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 **********************************************************************************/
 
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#ifndef ROOT_TMVA_TSpline2
 
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#define ROOT_TMVA_TSpline2
 
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//////////////////////////////////////////////////////////////////////////
 
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//                                                                      //
 
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// TSpline2                                                             //
 
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//                                                                      //
 
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// Quadratic interpolation class (using quadrax)                        //
 
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//                                                                      //
 
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//////////////////////////////////////////////////////////////////////////
 
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#ifndef ROOT_TSpline
 
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#include "TSpline.h"
 
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#endif
 
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namespace TMVA {
 
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   class TSpline2 : public TSpline {
 
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   public:
 
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      TSpline2( const TString& title, TGraph* theGraph );
 
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      virtual ~TSpline2( void );
 
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      virtual  Double_t Eval( Double_t x ) const;
 
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      // dummy implementations
 
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      virtual void BuildCoeff( void );
 
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      virtual void GetKnot( Int_t i, Double_t& x, Double_t& y ) const;
 
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   private:
 
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      TGraph *fGraph;   // graph that is splined
 
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      Double_t Quadrax( Float_t dm, Float_t dm1,
 
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                        Float_t dm2, Float_t dm3,
 
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                        Float_t cos1, Float_t cos2, 
 
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                        Float_t cos3 ) const;
 
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      ClassDef(TSpline2,0) //Quadratic interpolation class (using quadrax)
 
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   };
 
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} // namespace TMVA
 
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#endif 
 
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