// @(#)root/mathcore:$Id$
// Author: L. Moneta Fri Dec 22 14:43:33 2006

/**********************************************************************
 *                                                                    *
 * Copyright (c) 2006  LCG ROOT Math Team, CERN/PH-SFT                *
 *                                                                    *
 *                                                                    *
 **********************************************************************/

// Header file for class Factory

#ifndef ROOT_Math_Factory
#define ROOT_Math_Factory

#include <string>


namespace ROOT {

   namespace Math {

   class Minimizer;
   class DistSampler;

//___________________________________________________________________________
/**
   Factory  class holding static functions to create the interfaces like ROOT::Math::Minimizer
   via the Plugin Manager
*/
class Factory {
      public:

   /**
      static method to create the corresponding Minimizer given the string
      Supported Minimizers types are:
      Minuit (TMinuit), Minuit2, GSLMultiMin, GSLMultiFit, GSLSimAn, Linear, Fumili, Genetic
      If no name is given use default values defined in  ROOT::Math::MinimizerOptions
      See also there for the possible options and algorithms available
    */
   static ROOT::Math::Minimizer * CreateMinimizer(const std::string & minimizerType = "", const std::string & algoType = "");

   /**
      static method to create the distribution sampler class given a string specifying the type
      Supported sampler types are:
      Unuran, Foam
      If no name is given use default values defined in  DistSamplerOptions
    */
   static ROOT::Math::DistSampler * CreateDistSampler(const std::string & samplerType ="");


};

   } // end namespace Fit

} // end namespace ROOT


#endif /* ROOT_Fit_MinimizerFactory */