MatrixInverse.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_MatrixInverse
#define ROOT_Minuit2_MatrixInverse
 
#include "Minuit2/ABTypes.h"
#include "Minuit2/ABObj.h"
 
namespace ROOT {
 
   namespace Minuit2 {
 
 
template<class mtype, class M, class T>
class MatrixInverse {
 
public:
 
  MatrixInverse(const M& obj) : fObject(obj) {}
 
  ~MatrixInverse() {}
 
  typedef mtype Type;
 
  const M& Obj() const {return fObject;}
 
private:
 
  M fObject;
};
 
template<class M, class T>
class MatrixInverse<vec, M, T> {
 
private:
 
  MatrixInverse(const M& obj) : fObject(obj) {}
 
public:
 
  ~MatrixInverse() {}
 
  typedef vec Type;
 
  const M& Obj() const {return fObject;}
 
private:
 
  M fObject;
};
 
template<class mt, class M, class T>
inline ABObj<mt, MatrixInverse<mt, ABObj<mt, M, T>, T>, T> Inverse(const ABObj<mt, M, T>& obj) {
  return ABObj<mt, MatrixInverse<mt, ABObj<mt, M, T>, T>, T>(MatrixInverse<mt, ABObj<mt, M, T>, T>(obj));
}
 
  }  // namespace Minuit2
 
}  // namespace ROOT
 
#endif  // ROOT_Minuit2_MatrixInverse