MinimumParameters.h

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// @(#)root/minuit2:$Id$
// Authors: M. Winkler, F. James, L. Moneta, A. Zsenei   2003-2005
 
/**********************************************************************
 *                                                                    *
 * Copyright (c) 2005 LCG ROOT Math team,  CERN/PH-SFT                *
 *                                                                    *
 **********************************************************************/
 
#ifndef ROOT_Minuit2_MinimumParameters
#define ROOT_Minuit2_MinimumParameters
 
#include "Minuit2/MnRefCountedPointer.h"
#include "Minuit2/BasicMinimumParameters.h"
 
namespace ROOT {
 
   namespace Minuit2 {
 
 
class MinimumParameters {
 
public:
 
   MinimumParameters(unsigned int n, double fval = 0) :
      fData(MnRefCountedPointer<BasicMinimumParameters>(new BasicMinimumParameters(n,fval))) {}
 
  /** takes the Parameter vector */
  MinimumParameters(const MnAlgebraicVector& avec, double fval) :
     fData(MnRefCountedPointer<BasicMinimumParameters>(new BasicMinimumParameters(avec, fval)))  {}
 
  /** takes the Parameter vector plus step size x1 - x0 = dirin */
  MinimumParameters(const MnAlgebraicVector& avec, const MnAlgebraicVector& dirin, double fval) :
     fData(MnRefCountedPointer<BasicMinimumParameters>(new BasicMinimumParameters(avec, dirin, fval)))  {}
 
  ~MinimumParameters() {}
 
  MinimumParameters(const MinimumParameters& par) : fData(par.fData) {}
 
  MinimumParameters& operator=(const MinimumParameters& par) {
    fData = par.fData;
    return *this;
  }
 
  const MnAlgebraicVector& Vec() const {return fData->Vec();}
  const MnAlgebraicVector& Dirin() const {return fData->Dirin();}
  double Fval() const {return fData->Fval();}
  bool IsValid() const {return fData->IsValid();}
  bool HasStepSize() const {return fData->HasStepSize();}
 
private:
 
  MnRefCountedPointer<BasicMinimumParameters> fData;
};
 
  }  // namespace Minuit2
 
}  // namespace ROOT
 
#endif  // ROOT_Minuit2_MinimumParameters