fe_values_extractors.h

// ---------------------------------------------------------------------
//
// Copyright (C) 1998 - 2018 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 at
// the top level of the deal.II distribution.
//
// ---------------------------------------------------------------------

#ifndef dealii_fe_values_extractors_h
#define dealii_fe_values_extractors_h


#include <deal.II/base/config.h>

DEAL_II_NAMESPACE_OPEN


namespace FEValuesExtractors
{
  struct Scalar
  {
    unsigned int component;

    Scalar ();

    Scalar (const unsigned int component);
  };


  struct Vector
  {
    unsigned int first_vector_component;

    Vector ();

    Vector (const unsigned int first_vector_component);
  };


  template <int rank>
  struct SymmetricTensor
  {
    unsigned int first_tensor_component;

    SymmetricTensor ();

    SymmetricTensor (const unsigned int first_tensor_component);
  };


  template <int rank>
  struct Tensor
  {
    unsigned int first_tensor_component;

    Tensor ();

    Tensor (const unsigned int first_tensor_component);
  };
}


/*------------------------ Inline functions: namespace FEValuesExtractors --------*/

namespace FEValuesExtractors
{
  inline
  Scalar::Scalar ()
    :
    component (numbers::invalid_unsigned_int)
  {}



  inline
  Scalar::Scalar (const unsigned int component)
    :
    component (component)
  {}



  inline
  Vector::Vector ()
    :
    first_vector_component (numbers::invalid_unsigned_int)
  {}


  inline
  Vector::Vector (const unsigned int first_vector_component)
    :
    first_vector_component (first_vector_component)
  {}


  template <int rank>
  inline
  SymmetricTensor<rank>::SymmetricTensor ()
    :
    first_tensor_component(numbers::invalid_unsigned_int)
  {}


  template <int rank>
  inline
  SymmetricTensor<rank>::SymmetricTensor (const unsigned int first_tensor_component)
    :
    first_tensor_component (first_tensor_component)
  {}


  template <int rank>
  inline
  Tensor<rank>::Tensor ()
    :
    first_tensor_component(numbers::invalid_unsigned_int)
  {}


  template <int rank>
  inline
  Tensor<rank>::Tensor (const unsigned int first_tensor_component)
    :
    first_tensor_component (first_tensor_component)
  {}
}




DEAL_II_NAMESPACE_CLOSE

#endif