TIsotropicGaussianCorrFunction.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 TISOTROPICGAUSSIANCORRFUNCTION_H
#define TISOTROPICGAUSSIANCORRFUNCTION_H

#include "TCorrelationFunction.h"

extern "C"
{
int gpCorGaussIso(double *X1, double *X2, int n1, int n2, int d, double lc,
        double *C);
}
;

namespace URANIE
{
namespace Modeler
{
class TIsotropicGaussianCorrFunction: public TCorrelationFunction
{

    // Attributes
private:
public:

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

    TIsotropicGaussianCorrFunction(Int_t nbDim, Double_t corrLength = 0.1);

    virtual ~TIsotropicGaussianCorrFunction();

    //---------------------------------------------
    Double_t getCorrelationLength()
    {
        return _lCorrLengths[0];
    }


    virtual void setParameters(Double_t* newParams)
    {
        setCorrelationLength(newParams[0]);
    }


    void setCorrLengths(Double_t *corrLength);
    

    void setCorrelationLength(Double_t corrLength);


    //---------------------------------------------

    virtual TCorrelationFunction* clone();


    virtual void eval(Int_t n1, Double_t* x1, Int_t n2, Double_t* x2,
            Double_t* C);


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

    ClassDef(URANIE::Modeler::TIsotropicGaussianCorrFunction, ID_MODELER)
    //Classe de
};

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