GSLRootHelper.cxx

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// @(#)root/mathmore:$Id$
// Authors: L. Moneta, A. Zsenei   08/2005

 /**********************************************************************
  *                                                                    *
  * Copyright (c) 2004 ROOT Foundation,  CERN/PH-SFT                   *
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// Implementation file for class GSLRootHelper
//
// Created by: moneta  at Sun Nov 14 21:34:15 2004
//
// Last update: Sun Nov 14 21:34:15 2004
//

#include "Math/GSLRootHelper.h"

#include "gsl/gsl_roots.h"

namespace ROOT {
namespace Math {

   namespace GSLRootHelper {


      int TestInterval(double xlow, double xup, double epsAbs, double epsRel) {

         return gsl_root_test_interval( xlow, xup, epsAbs, epsRel);
      }

      int TestDelta(double x1, double x0, double epsAbs, double epsRel) {
         // be careful is inverted with respect to GSL (don't know why )
         return gsl_root_test_delta( x1, x0, epsRel, epsAbs);
      }

      int TestResidual(double f, double epsAbs) {

         return gsl_root_test_residual( f, epsAbs);
      }

   }

} // namespace Math
} // namespace ROOT