MnVectorTransform.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_MnVectorTransform
#define ROOT_Minuit2_MnVectorTransform
 
#include "Minuit2/MnMatrix.h"
 
namespace ROOT {
 
   namespace Minuit2 {
 
 
class MnVectorTransform {
 
public:
 
  MnVectorTransform() {}
 
  ~MnVectorTransform() {}
 
  std::vector<double> operator()(const MnAlgebraicVector& avec) const {
 
    std::vector<double> result; result.reserve(avec.size());
 
    for(unsigned int i = 0; i < avec.size(); i++) result.push_back(avec(i));
 
    return result;
  }
 
};
 
  }  // namespace Minuit2
 
}  // namespace ROOT
 
#endif  // ROOT_Minuit2_MnVectorTransform