KokkosIntegralVariablePostprocessor.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 "KokkosElementIntegralPostprocessor.h"
#include "KokkosSideIntegralPostprocessor.h"
 
template <typename Base>
class KokkosIntegralVariablePostprocessor : public Base, public MooseVariableInterface<Real>
{
public:
  static InputParameters validParams();
 
  KokkosIntegralVariablePostprocessor(const InputParameters & parameters);
 
  KOKKOS_FUNCTION Real computeQpIntegral(const unsigned int qp, Datum & datum) const;
 
protected:
  Moose::Kokkos::VariableValue _u;
  Moose::Kokkos::VariableGradient _grad_u;
  const bool _use_abs_value;
};
 
template <typename Base>
KOKKOS_FUNCTION inline Real
KokkosIntegralVariablePostprocessor<Base>::computeQpIntegral(const unsigned int qp,
                                                             Datum & datum) const
{
  if (_use_abs_value)
    return Kokkos::abs(_u(datum, qp));
  else
    return _u(datum, qp);
}
 
typedef KokkosIntegralVariablePostprocessor<KokkosElementIntegralPostprocessor>
    KokkosElementIntegralVariablePostprocessor;
typedef KokkosIntegralVariablePostprocessor<KokkosSideIntegralPostprocessor>
    KokkosSideIntegralVariablePostprocessor;