KokkosBodyForce.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

#pragma once

#include "KokkosKernelValue.h"

class KokkosBodyForce : public Moose::Kokkos::KernelValue
{
public:
  static InputParameters validParams();

  KokkosBodyForce(const InputParameters & parameters);

  template <typename Derived>
  KOKKOS_FUNCTION Real precomputeQpResidual(const unsigned int, AssemblyDatum &) const;

protected:
  const Moose::Kokkos::Scalar<const Real> _scale;

  const Moose::Kokkos::PostprocessorValue _postprocessor;
};

template <typename Derived>
KOKKOS_FUNCTION Real
KokkosBodyForce::precomputeQpResidual(const unsigned int, AssemblyDatum &) const
{
  return -_scale * _postprocessor;
}