MFEMComplexKernel.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 "MFEMKernel.h"

/*
Class to construct an MFEM integrator to apply to the equation system.
*/
class MFEMComplexKernel : public MFEMKernel
{
public:
  static InputParameters validParams();

  MFEMComplexKernel(const InputParameters & parameters);

  virtual ~MFEMComplexKernel() = default;

  virtual mfem::LinearFormIntegrator * getRealLFIntegrator()
  {
    return _real_kernel ? _real_kernel->createLFIntegrator() : nullptr;
  }
  virtual mfem::LinearFormIntegrator * getImagLFIntegrator()
  {
    return _imag_kernel ? _imag_kernel->createLFIntegrator() : nullptr;
  }
  virtual mfem::BilinearFormIntegrator * getRealBFIntegrator()
  {
    return _real_kernel ? _real_kernel->createBFIntegrator() : nullptr;
  }
  virtual mfem::BilinearFormIntegrator * getImagBFIntegrator()
  {
    return _imag_kernel ? _imag_kernel->createBFIntegrator() : nullptr;
  }

  virtual void setRealKernel(std::shared_ptr<MFEMKernel> kernel) { _real_kernel = kernel; }
  virtual void setImagKernel(std::shared_ptr<MFEMKernel> kernel) { _imag_kernel = kernel; }

  std::shared_ptr<MFEMKernel> _real_kernel{nullptr};
  std::shared_ptr<MFEMKernel> _imag_kernel{nullptr};
};

#endif