MFEMLinearSolverBase.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 "MFEMSolverBase.h"
#include "EquationSystem.h"
 
class MFEMProblemSolve;
 
namespace Moose::MFEM
{
class LinearSolverBase : public SolverBase
{
public:
  static InputParameters validParams();
 
  LinearSolverBase(const InputParameters & parameters);
 
  LinearSolverBase * GetPreconditioner() { return _preconditioner.get(); }
 
  virtual void SetOperator(const mfem::Operator & op) override;
 
  virtual void Solve() { mooseError("'solve' method not used in this solver type."); }
 
protected:
  virtual void SetPreconditionerImpl() { paramError("preconditioner", "Can't be preconditioned."); }
 
  std::shared_ptr<LinearSolverBase> _preconditioner;
 
  std::shared_ptr<EquationSystem> _equation_system;
 
private:
  void SetPreconditioner(const mfem::Operator & op);
 
  friend class ::MFEMProblemSolve;
};
} // namespace Moose::MFEM
 
#endif