CellAccess.h

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// This file is part of the ExaHyPE2 project. For conditions of distribution and
// use, please see the copyright notice at www.peano-framework.org
#pragma once
 
 
#include <functional>
#include <string>
 
#include "peano4/utils/Globals.h"
#include "tarch/la/Vector.h"
 
 
namespace exahype2 {
  class CellAccess {
  public:
    CellAccess(
      const double* __restrict__ QIn,
      int haloSize,
      int unknowns,
      int numberOfAuxiliaryVariables,
      int numberOfDoFsPerAxisInPatch
    );
 
    ~CellAccess() = default;
 
    int size() const;
 
    const double* __restrict__ operator()(const tarch::la::Vector<Dimensions, int>& relativeCellPosition) const;
    double operator()(const tarch::la::Vector<Dimensions, int>& relativeCellPosition, int unknown) const;
 
    double centre(int unknown) const;
 
    const double* __restrict__ left(int normal) const;
    const double* __restrict__ right(int normal) const;
 
    double left(int normal, int unknown) const;
    double right(int normal, int unknown) const;
 
    std::string toString() const;
 
  private:
    const double* __restrict__ _QIn;
    const int _haloSize;
    const int _unknowns;
    const int _numberOfAuxiliaryVariables;
    const int _numberOfDoFsPerAxisInPatch;
  };
} // namespace exahype2