evaluation_flags.h

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// -----------------------------------------------------------------------------
//
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception OR LGPL-2.1-or-later
// Copyright (C) 2020 - 2025 by the deal.II authors
//
// This file is part of the deal.II library.
//
// Detailed license information governing the source code and contributions
// can be found in LICENSE.md and CONTRIBUTING.md at the top level directory.
//
// -----------------------------------------------------------------------------
 
 
#ifndef dealii_matrix_free_evaluation_flags_h
#define dealii_matrix_free_evaluation_flags_h
 
#include <deal.II/base/config.h>
 
#include <deal.II/base/numbers.h>
 
 
DEAL_II_NAMESPACE_OPEN
 
 
 
namespace EvaluationFlags
{
  enum EvaluationFlags
  {
    nothing = 0,
    values = 0x1,
    gradients = 0x2,
    hessians = 0x4
  };
 
 
  DEAL_II_HOST_DEVICE constexpr EvaluationFlags
  operator|(const EvaluationFlags f1, const EvaluationFlags f2)
  {
    return static_cast<EvaluationFlags>(static_cast<unsigned int>(f1) |
                                        static_cast<unsigned int>(f2));
  }
 
 
 
  DEAL_II_HOST_DEVICE constexpr EvaluationFlags &
  operator|=(EvaluationFlags &f1, const EvaluationFlags f2)
  {
    f1 = f1 | f2;
    return f1;
  }
 
 
  DEAL_II_HOST_DEVICE constexpr EvaluationFlags
  operator&(const EvaluationFlags f1, const EvaluationFlags f2)
  {
    return static_cast<EvaluationFlags>(static_cast<unsigned int>(f1) &
                                        static_cast<unsigned int>(f2));
  }
 
 
  DEAL_II_HOST_DEVICE constexpr EvaluationFlags &
  operator&=(EvaluationFlags &f1, const EvaluationFlags f2)
  {
    f1 = f1 & f2;
    return f1;
  }
 
} // namespace EvaluationFlags
 
 
DEAL_II_NAMESPACE_CLOSE
 
#endif