KokkosVectorDiffusion.h

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//* This file is part of the MOOSE framework
//* https://www.mooseframework.org
//*
//* 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

#pragma once

#include "KokkosVectorKernelGrad.h"

class KokkosVectorDiffusion : public Moose::Kokkos::VectorKernelGrad
{
public:
  static InputParameters validParams();

  KokkosVectorDiffusion(const InputParameters & parameters);

  template <typename Derived>
  KOKKOS_FUNCTION Moose::Kokkos::Real33 precomputeQpResidual(const unsigned int qp,
                                                             AssemblyDatum & datum) const;
  template <typename Derived>
  KOKKOS_FUNCTION Moose::Kokkos::Real33
  precomputeQpJacobian(const unsigned int j, const unsigned int qp, AssemblyDatum & datum) const;
};

template <typename Derived>
KOKKOS_FUNCTION Moose::Kokkos::Real33
KokkosVectorDiffusion::precomputeQpResidual(const unsigned int qp, AssemblyDatum & datum) const
{
  return _grad_u(datum, qp);
}

template <typename Derived>
KOKKOS_FUNCTION Moose::Kokkos::Real33
KokkosVectorDiffusion::precomputeQpJacobian(const unsigned int j,
                                            const unsigned int qp,
                                            AssemblyDatum & datum) const
{
  return _grad_phi(datum, j, qp);
}