MnPosDef.h

Go to the documentation of this file.

// @(#)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_MnPosDef
#define ROOT_Minuit2_MnPosDef
 
namespace ROOT {
 
namespace Minuit2 {
 
class MinimumState;
class MinimumError;
class MnMachinePrecision;
 
/**
   Force the covariance matrix to be positive defined
   by adding extra terms in the diagonal
 */
class MnPosDef {
 
public:
   MnPosDef() {}
 
   ~MnPosDef() {}
 
   MinimumState operator()(const MinimumState &, const MnMachinePrecision &) const;
   MinimumError operator()(const MinimumError &, const MnMachinePrecision &) const;
 
private:
};
 
} // namespace Minuit2
 
} // namespace ROOT
 
#endif // ROOT_Minuit2_MnPosDef