evaluation_selector.h

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// ---------------------------------------------------------------------
//
// Copyright (C) 2017 - 2023 by the deal.II authors
//
// This file is part of the deal.II library.
//
// The deal.II library is free software; you can use it, redistribute
// it, and/or modify it under the terms of the GNU Lesser General
// Public License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// The full text of the license can be found in the file LICENSE.md at
// the top level directory of deal.II.
//
// ---------------------------------------------------------------------
 
 
#ifndef dealii_matrix_free_evaluation_selector_h
#define dealii_matrix_free_evaluation_selector_h
 
#include <deal.II/base/config.h>
 
#include <deal.II/matrix_free/evaluation_flags.h>
#include <deal.II/matrix_free/evaluation_kernels.h>
#include <deal.II/matrix_free/shape_info.h>
 
DEAL_II_NAMESPACE_OPEN
 
 
 
template <int dim, int fe_degree, int n_q_points_1d, typename Number>
struct SelectEvaluator
{
  static void
  evaluate(const unsigned int                     n_components,
           const EvaluationFlags::EvaluationFlags evaluation_flag,
           const Number *                         values_dofs,
           FEEvaluationData<dim, Number, false> & eval);
 
  static void
  integrate(const unsigned int                     n_components,
            const EvaluationFlags::EvaluationFlags integration_flag,
            Number *                               values_dofs,
            FEEvaluationData<dim, Number, false> & eval,
            const bool sum_into_values_array = false);
};
 
//----------------------Implementation for SelectEvaluator---------------------
#ifndef DOXYGEN
 
template <int dim, int fe_degree, int n_q_points_1d, typename Number>
inline void
SelectEvaluator<dim, fe_degree, n_q_points_1d, Number>::evaluate(
  const unsigned int                     n_components,
  const EvaluationFlags::EvaluationFlags evaluation_flag,
  const Number *                         values_dofs,
  FEEvaluationData<dim, Number, false> & eval)
{
  Assert(fe_degree >= 0 && n_q_points_1d > 0, ExcInternalError());
 
  internal::FEEvaluationImplSelector<dim, Number, false>::template run<
    fe_degree,
    n_q_points_1d>(n_components, evaluation_flag, values_dofs, eval);
}
 
 
 
template <int dim, int fe_degree, int n_q_points_1d, typename Number>
inline void
SelectEvaluator<dim, fe_degree, n_q_points_1d, Number>::integrate(
  const unsigned int                     n_components,
  const EvaluationFlags::EvaluationFlags integration_flag,
  Number *                               values_dofs,
  FEEvaluationData<dim, Number, false> & eval,
  const bool                             sum_into_values_array)
{
  Assert(fe_degree >= 0 && n_q_points_1d > 0, ExcInternalError());
 
  internal::FEEvaluationImplSelector<dim, Number, true>::
    template run<fe_degree, n_q_points_1d>(
      n_components, integration_flag, values_dofs, eval, sum_into_values_array);
}
#endif // DOXYGEN
 
DEAL_II_NAMESPACE_CLOSE
 
#endif