Derivative.h

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// This file is part of the Peano project. For conditions of distribution and
// use, please see the copyright notice at www.peano-framework.org
#pragma once
 
 
#include "peano4/utils/Globals.h"
#include "tarch/la/Vector.h"
 
 
namespace toolbox {
  namespace blockstructured {
    void computeGradient(
      int                                numberOfDoFsPerAxisInPatch,
      const double* __restrict__         source,
      int                                sourceIndex,
      int                                sourceUnknowns,
      int                                sourceHalo,
      double* __restrict__               dest,
      const tarch::la::Vector<Dimensions,int>&   destIndex,
      int                                destUnknowns,
      int                                destHalo,
      const tarch::la::Vector<Dimensions,double>&  volumeH
    );
 
 
    double computeGradientAndReturnMaxDifference(
      int                                numberOfDoFsPerAxisInPatch,
      const double* __restrict__         source,
      int                                sourceIndex,
      int                                sourceUnknowns,
      int                                sourceHalo,
      double* __restrict__               dest,
      const tarch::la::Vector<Dimensions,int>&   destIndex,
      int                                destUnknowns,
      int                                destHalo,
      const tarch::la::Vector<Dimensions,double>&  volumeH
    );
  }
}