LaInnerProduct.cxx

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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                *
 *                                                                    *
 **********************************************************************/
 
#include "Minuit2/LAVector.h"
 
namespace ROOT {
 
namespace Minuit2 {
 
double mnddot(unsigned int, const double *, int, const double *, int);
 
double inner_product(const LAVector &v1, const LAVector &v2)
{
   // calculate inner (dot) product of two vectors  using mnddot function
   return mnddot(v1.size(), v1.Data(), 1, v2.Data(), 1);
}
 
} // namespace Minuit2
 
} // namespace ROOT