evaluation_flags.h

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// ---------------------------------------------------------------------
//
// Copyright (C) 2020 - 2021 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_flags_h
#define dealii_matrix_free_evaluation_flags_h
 
#include <deal.II/base/config.h>
 
 
DEAL_II_NAMESPACE_OPEN
 
 
 
namespace EvaluationFlags
{
  enum EvaluationFlags
  {
    nothing = 0,
    values = 0x1,
    gradients = 0x2,
    hessians = 0x4
  };
 
 
  inline EvaluationFlags
  operator|(const EvaluationFlags f1, const EvaluationFlags f2)
  {
    return static_cast<EvaluationFlags>(static_cast<unsigned int>(f1) |
                                        static_cast<unsigned int>(f2));
  }
 
 
 
  inline EvaluationFlags &
  operator|=(EvaluationFlags &f1, const EvaluationFlags f2)
  {
    f1 = f1 | f2;
    return f1;
  }
 
 
  inline EvaluationFlags
  operator&(const EvaluationFlags f1, const EvaluationFlags f2)
  {
    return static_cast<EvaluationFlags>(static_cast<unsigned int>(f1) &
                                        static_cast<unsigned int>(f2));
  }
 
 
  inline EvaluationFlags &
  operator&=(EvaluationFlags &f1, const EvaluationFlags f2)
  {
    f1 = f1 & f2;
    return f1;
  }
 
} // namespace EvaluationFlags
 
 
DEAL_II_NAMESPACE_CLOSE
 
#endif