MFEMNodalProjector.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 "libmesh/ignore_warnings.h"
#include "mfem.hpp"
#include "libmesh/restore_warnings.h"
 
class MFEMNodalProjector
{
public:
  MFEMNodalProjector() = default;
  void extractNodePositions(const mfem::ParFiniteElementSpace & fespace,
                            mfem::Vector & node_positions,
                            mfem::Ordering::Type & node_ordering);
  void projectNodalValues(const mfem::Vector & nodal_vals,
                          const mfem::Ordering::Type & nodal_val_ordering,
                          mfem::ParGridFunction & gridfunction);
};
 
#endif