/usr/include/deal.II/grid/tria_iterator_selector.h is in libdeal.ii-dev 8.4.2-2+b1.
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//
// Copyright (C) 2003 - 2015 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__tria_iterator_selector_h
#define dealii__tria_iterator_selector_h
#include <deal.II/base/config.h>
DEAL_II_NAMESPACE_OPEN
template <int dim, int spacedim> class CellAccessor;
template <int, int, int> class TriaAccessorBase;
template <int, int, int> class InvalidAccessor;
template <int, int, int> class TriaAccessor;
template <int dim, int spacedim> class TriaAccessor<0, dim, spacedim>;
template <typename Accessor> class TriaRawIterator;
template <typename Accessor> class TriaIterator;
template <typename Accessor> class TriaActiveIterator;
namespace internal
{
namespace Triangulation
{
template <int dim, int spacedim>
struct Iterators;
/**
* This class implements some types which differ between the dimensions.
* These are the declarations for the 1D case only. See the
* @ref Iterators
* module for more information.
*
* A @p vertex_iterator is typedef'd to an iterator operating on the @p
* vertices member variable of a <tt>Triangulation<1></tt> object.
*
* A @p line_iterator is typedef'd to an iterator operating on the @p
* lines member variable of a <tt>Triangulation<1></tt> object. An @p
* active_line_iterator only operates on the active lines. @p
* raw_line_iterator objects operate on all lines, used or not.
*
* Since we are in one dimension, the following identities are declared:
* @code
* typedef raw_line_iterator raw_cell_iterator;
* typedef line_iterator cell_iterator;
* typedef active_line_iterator active_cell_iterator;
* @endcode
*
* To enable the declaration of @p begin_quad and the like in
* <tt>Triangulation<1></tt>, the @p quad_iterators are declared as
* iterators over InvalidAccessor. Thus these types exist, but are useless
* and will certainly make any involuntary use visible. The same holds for
* hexahedron iterators.
*
* The same applies for the @p face_iterator types, since lines have no
* substructures apart from vertices, which are handled in a different
* way, however.
*
* @author Wolfgang Bangerth, 1998
*/
template <int spacedim>
struct Iterators<1,spacedim>
{
typedef TriaRawIterator <dealii::TriaAccessor<0, 1, spacedim> > raw_vertex_iterator;
typedef TriaIterator <dealii::TriaAccessor<0, 1, spacedim> > vertex_iterator;
typedef TriaActiveIterator<dealii::TriaAccessor<0, 1, spacedim> > active_vertex_iterator;
typedef TriaRawIterator <dealii::CellAccessor<1,spacedim> > raw_line_iterator;
typedef TriaIterator <dealii::CellAccessor<1,spacedim> > line_iterator;
typedef TriaActiveIterator<dealii::CellAccessor<1,spacedim> > active_line_iterator;
typedef TriaRawIterator <dealii::InvalidAccessor<2,1,spacedim> > raw_quad_iterator;
typedef TriaIterator <dealii::InvalidAccessor<2,1,spacedim> > quad_iterator;
typedef TriaActiveIterator<dealii::InvalidAccessor<2,1,spacedim> > active_quad_iterator;
typedef TriaRawIterator <dealii::InvalidAccessor<3,1,spacedim> > raw_hex_iterator;
typedef TriaIterator <dealii::InvalidAccessor<3,1,spacedim> > hex_iterator;
typedef TriaActiveIterator<dealii::InvalidAccessor<3,1,spacedim> > active_hex_iterator;
typedef raw_line_iterator raw_cell_iterator;
};
/**
* This class implements some types which differ between the dimensions.
* These are the declarations for the 2D case only. See the
* @ref Iterators
* module for more information.
*
* A @p vertex_iterator is typedef'd to an iterator operating on the @p
* vertices member variable of a <tt>Triangulation<2></tt> object.
*
* A @p line_iterator is typedef'd to an iterator operating on the @p
* lines member variable of a <tt>Triangulation<2></tt> object. An @p
* active_line_iterator only operates on the active lines. @p
* raw_line_iterator objects operate on all lines, used or not. Using @p
* active_line_iterators may not be particularly in 2D useful since it
* only operates on unrefined lines. However, also refined lines may bound
* unrefined cells if the neighboring cell is refined once more than the
* present one.
*
* Similarly to line iterators, @p quad_iterator, @p raw_quad_iterator and
* @p active_quad_iterator are declared.
*
* To enable the declaration of @p begin_hex and the like in
* <tt>Triangulation<[12]></tt>, the @p hex_iterators are declared as
* iterators over InvalidAccessor. Thus these types exist, but are useless
* and will certainly make any involuntary use visible.
*
* Since we are in two dimension, the following identities are declared:
* @code
* typedef raw_quad_iterator raw_cell_iterator;
* typedef quad_iterator cell_iterator;
* typedef active_quad_iterator active_cell_iterator;
*
* typedef raw_line_iterator raw_face_iterator;
* typedef line_iterator face_iterator;
* typedef active_line_iterator active_face_iterator;
* @endcode
*
* @author Wolfgang Bangerth, 1998
*/
template <int spacedim>
struct Iterators<2,spacedim>
{
typedef TriaRawIterator <dealii::TriaAccessor<0, 2, spacedim> > raw_vertex_iterator;
typedef TriaIterator <dealii::TriaAccessor<0, 2, spacedim> > vertex_iterator;
typedef TriaActiveIterator<dealii::TriaAccessor<0, 2, spacedim> > active_vertex_iterator;
typedef TriaRawIterator <dealii::TriaAccessor<1, 2, spacedim> > raw_line_iterator;
typedef TriaIterator <dealii::TriaAccessor<1, 2, spacedim> > line_iterator;
typedef TriaActiveIterator<dealii::TriaAccessor<1, 2, spacedim> > active_line_iterator;
typedef TriaRawIterator <dealii::CellAccessor<2, spacedim> > raw_quad_iterator;
typedef TriaIterator <dealii::CellAccessor<2, spacedim> > quad_iterator;
typedef TriaActiveIterator<dealii::CellAccessor<2, spacedim> > active_quad_iterator;
typedef TriaRawIterator <dealii::InvalidAccessor<3,2,spacedim> > raw_hex_iterator;
typedef TriaIterator <dealii::InvalidAccessor<3,2,spacedim> > hex_iterator;
typedef TriaActiveIterator<dealii::InvalidAccessor<3,2,spacedim> > active_hex_iterator;
typedef raw_quad_iterator raw_cell_iterator;
};
/**
* This class implements some types which differ between the dimensions.
* These are the declarations for the 3D case only. See the
* @ref Iterators
* module for more information.
*
* For the declarations of the data types, more or less the same holds as
* for lower dimensions (see <tt>Iterators<[12]></tt>). The dimension
* specific data types are here, since we are in three dimensions:
* @code
* typedef raw_hex_iterator raw_cell_iterator;
* typedef hex_iterator cell_iterator;
* typedef active_hex_iterator active_cell_iterator;
*
* typedef raw_quad_iterator raw_face_iterator;
* typedef quad_iterator face_iterator;
* typedef active_quad_iterator active_face_iterator;
* @endcode
*
* @author Wolfgang Bangerth, 1998
*/
template <int spacedim>
struct Iterators<3,spacedim>
{
typedef TriaRawIterator <dealii::TriaAccessor<0, 3, spacedim> > raw_vertex_iterator;
typedef TriaIterator <dealii::TriaAccessor<0, 3, spacedim> > vertex_iterator;
typedef TriaActiveIterator<dealii::TriaAccessor<0, 3, spacedim> > active_vertex_iterator;
typedef TriaRawIterator <dealii::TriaAccessor<1, 3, spacedim> > raw_line_iterator;
typedef TriaIterator <dealii::TriaAccessor<1, 3, spacedim> > line_iterator;
typedef TriaActiveIterator<dealii::TriaAccessor<1, 3, spacedim> > active_line_iterator;
typedef TriaRawIterator <dealii::TriaAccessor<2, 3, spacedim> > raw_quad_iterator;
typedef TriaIterator <dealii::TriaAccessor<2, 3, spacedim> > quad_iterator;
typedef TriaActiveIterator<dealii::TriaAccessor<2, 3, spacedim> > active_quad_iterator;
typedef TriaRawIterator <dealii::CellAccessor<3, spacedim> > raw_hex_iterator;
typedef TriaIterator <dealii::CellAccessor<3, spacedim> > hex_iterator;
typedef TriaActiveIterator<dealii::CellAccessor<3, spacedim> > active_hex_iterator;
typedef raw_hex_iterator raw_cell_iterator;
};
}
}
DEAL_II_NAMESPACE_CLOSE
#endif // dealii__tria_iterator_selector_h
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