KokkosCoupledForce.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 "KokkosKernelValue.h"

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

  KokkosCoupledForce(const InputParameters & parameters);

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

private:
  const unsigned int _v_var;
  const Moose::Kokkos::VariableValue _v;
  const Real _coef;
};

template <typename Derived>
KOKKOS_FUNCTION Real
KokkosCoupledForce::computeQpResidual(const unsigned int qp, AssemblyDatum & datum) const
{
  return -_coef * _v(datum, qp);
}