MFEMVectorQuadratureFunctionCoefficient.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 "MFEMQuadratureFunctionCoefficientBase.h"

// The class derives from mfem::VectorQuadratureFunctionCoefficient, so the complete type is
// required.
#include "libmesh/ignore_warnings.h"
#include "mfem.hpp"
#include "libmesh/restore_warnings.h"

class MFEMVectorQuadratureFunctionCoefficient : public mfem::VectorQuadratureFunctionCoefficient,
                                                public MFEMQuadratureFunctionCoefficientBase
{
public:
  MFEMVectorQuadratureFunctionCoefficient(mfem::VectorCoefficient & source,
                                          mfem::QuadratureFunction & qf,
                                          UpdatePolicy update_policy,
                                          const std::string & name);

  void SetTime(mfem::real_t t) override;

  using mfem::VectorQuadratureFunctionCoefficient::Eval;
  void Eval(mfem::Vector & V,
            mfem::ElementTransformation & T,
            const mfem::IntegrationPoint & ip) override;

  void Project(mfem::QuadratureFunction & qf) override;

private:
  void Refresh();

  mfem::VectorCoefficient & _source;
  mfem::QuadratureFunction & _qf;
};

#endif