MFEMVariable.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html

#ifdef MFEM_ENABLED

#pragma once

#include "MFEMFESpace.h"
#include "MFEMGeneralUserObject.h"

class MFEMVariable : public MFEMGeneralUserObject
{
public:
  static InputParameters validParams();

  MFEMVariable(const InputParameters & parameters);

  inline std::shared_ptr<mfem::ParGridFunction> getGridFunction() const { return _gridfunction; }

  inline const MFEMFESpace & getFESpace() const { return _fespace; }

protected:
  const MFEMFESpace & _fespace;

private:
  const std::shared_ptr<mfem::ParGridFunction> buildGridFunction();

  const std::shared_ptr<mfem::ParGridFunction> _gridfunction{nullptr};
};

#endif