MFEMNewtonNonlinearSolver.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 "MFEMNonlinearSolverBase.h"

class MFEMNewtonNonlinearSolver : public Moose::MFEM::NonlinearSolverBase
{
public:
  static InputParameters validParams();

  MFEMNewtonNonlinearSolver(const InputParameters & parameters);

  void ConstructSolver() override;

  void SetOperator(const mfem::Operator & op) override;
  void SetLinearSolver(mfem::Solver & solver) override;
  void Mult(const mfem::Vector & rhs, mfem::Vector & x) override;
  bool RequiresGradient() const override { return true; }
  bool RequiresExternalLinearSolver() const override { return true; }
};

#endif