TInvGammaDistribution.h

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// Copyright (C) 2013-2024 CEA/DES
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation, either version 3 of the License, or any
// later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// $Id$
// $Author$
// $Date$
// $Revision$
// $State$

#ifndef TINVGAMMADISTRIBUTION_H
#define TINVGAMMADISTRIBUTION_H

//Uranie
#include "TStochAttribut.h"

namespace URANIE
{
namespace DataServer
{
class TInvGammaDistribution: public TInfiniteDistribution
{
    // Attributes
private:
  Double_t _dparameterAlpha;      
  Double_t _dparameterScale;      
  Double_t _dparameterLocation;   

public:
    //---------------------------------------------

    TInvGammaDistribution();


    TInvGammaDistribution(TString name);

   


  TInvGammaDistribution(TString name, Double_t alpha, Double_t scale = 1.0, Double_t location = 0.0);


  TInvGammaDistribution(URANIE::DataServer::TAttribute *att, Double_t alpha, Double_t scale = 1.0, Double_t location = 0.0);

    virtual ~TInvGammaDistribution();



    Double_t getParameterAlpha()
    {
      return _dparameterAlpha;
    }

    
    Double_t getParameterScale()
    {
      return _dparameterScale;
    }
    
    Double_t getParameterLocation()
    {
      return _dparameterLocation;
    }


    virtual void setParameters(Double_t alpha, Double_t scale = 1.0, Double_t location=0,
            Bool_t recompute = kTRUE);
    

    void setParameterAlpha(Double_t alpha, Bool_t recompute = kTRUE);

    void setParameterScale(Double_t scale, Bool_t recompute = kTRUE);

    void setParameterLocation(Double_t location, Bool_t recompute = kTRUE);

    virtual void computeTheoreticalInformation();


    virtual Double_t getPDF(Double_t x);


    virtual Double_t getCDF(Double_t x);


    virtual Double_t getInvCDF(Double_t p);
    
    //---------------------------------------------
    virtual void printLog(Option_t *option = "");


    ClassDef(URANIE::DataServer::TInvGammaDistribution, ID_DATASERVER)
    //Classe de
};

} // Fin du namespace DataServer
} // Fin du namespace URANIE
#endif