MFEMOperatorChebyshevSmoother.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 MOOSE_MFEM_ENABLED

#pragma once

#include "MFEMLinearSolverBase.h"

class MFEMOperatorChebyshevSmoother : public Moose::MFEM::LinearSolverBase
{
public:
  static InputParameters validParams();

  MFEMOperatorChebyshevSmoother(const InputParameters & parameters);

  void SetOperator(mfem::Operator & op) override;

protected:
  void ConstructSolver() override;

private:
  const int _order;

  mfem::Vector _diag;

  mfem::Array<int> _empty_tdofs;
};
#endif