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"
 
class MFEMVectorQuadratureFunctionCoefficient : public mfem::VectorQuadratureFunctionCoefficient,
                                                public MFEMQuadratureFunctionCoefficientBase
{
public:
  MFEMVectorQuadratureFunctionCoefficient(mfem::QuadratureFunction & qf,
                                          UpdatePolicy update_policy,
                                          const std::string & name);
 
  void SetTime(mfem::real_t t) override;
 
  void SetSourceVectorCoefficient(mfem::VectorCoefficient * coeff)
  {
    _qf.SetVDim(vdim = (_source = coeff)->GetVDim());
  }
 
  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