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 ConstructSolver() override;
 
protected:
  virtual void SetOperatorImpl(mfem::Operator & op) override;
 
private:
  const int _order;
 
  mfem::Vector _diag;
 
  mfem::Array<int> _empty_tdofs;
};
#endif