CD_LinearStencil.H

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/*
 * SPDX-FileCopyrightText: 2021-2026 SINTEF Energy Research
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 */
 
#ifndef CD_LINEARSTENCIL_H
#define CD_LINEARSTENCIL_H
 
// Chombo includes
#include <Stencil.H>
#include <ProblemDomain.H>
#include <EBISBox.H>
 
// Our includes
#include <CD_NamespaceHeader.H>
 
class LinearStencil
{
public:
  static bool
  getLinearInterpStencil(VoFStencil&          a_stencil,
                         const RealVect&      a_pos,
                         const VolIndex&      a_vof,
                         const ProblemDomain& a_domain,
                         const EBISBox&       a_ebisbox);
 
protected:
  static constexpr Real tolerance = 1.E-6;
 
  static bool
  computeInterpStencil1D(VoFStencil&          a_stencil,
                         const RealVect&      a_pos,
                         const VolIndex&      a_vof,
                         const ProblemDomain& a_domain,
                         const EBISBox&       a_ebisbox,
                         const int            a_interpDir);
  static bool
  computeInterpStencil2D(VoFStencil&          a_stencil,
                         const RealVect&      a_pos,
                         const VolIndex&      a_vof,
                         const ProblemDomain& a_domain,
                         const EBISBox&       a_ebisbox,
                         const int            a_noInterpDir = 2);
 
#if CH_SPACEDIM == 3
  static bool
  computeInterpStencil3D(VoFStencil&          a_stencil,
                         const RealVect&      a_pos,
                         const VolIndex&      a_vof,
                         const ProblemDomain& a_domain,
                         const EBISBox&       a_ebisbox);
#endif
};
 
#include <CD_NamespaceFooter.H>
 
#endif