MFEMScalarQuadratureFunctionCoefficient.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::QuadratureFunctionCoefficient, so the complete type is required.
#include "libmesh/ignore_warnings.h"
#include "mfem.hpp"
#include "libmesh/restore_warnings.h"
 
class MFEMScalarQuadratureFunctionCoefficient : public mfem::QuadratureFunctionCoefficient,
                                                public MFEMQuadratureFunctionCoefficientBase
{
public:
  MFEMScalarQuadratureFunctionCoefficient(mfem::Coefficient & source,
                                          mfem::QuadratureFunction & qf,
                                          UpdatePolicy update_policy,
                                          const std::string & name);
 
  void SetTime(mfem::real_t t) override;
 
  mfem::real_t Eval(mfem::ElementTransformation & T, const mfem::IntegrationPoint & ip) override;
 
  void Project(mfem::QuadratureFunction & qf) override;
 
private:
  void Refresh();
 
  mfem::Coefficient & _source;
  mfem::QuadratureFunction & _qf;
};
 
#endif