/usr/include/deal.II/grid/tria_object.h is in libdeal.ii-dev 6.3.1-1.1.
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// $Id: tria_object.h 19046 2009-07-08 19:30:23Z bangerth $
// Version: $Name$
//
// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 by the deal.II authors
//
// This file is subject to QPL and may not be distributed
// without copyright and license information. Please refer
// to the file deal.II/doc/license.html for the text and
// further information on this license.
//
//---------------------------------------------------------------------------
#ifndef __deal2__tria_object_h
#define __deal2__tria_object_h
#include <base/config.h>
#include <base/exceptions.h>
#include <base/geometry_info.h>
DEAL_II_NAMESPACE_OPEN
namespace internal
{
namespace Triangulation
{
/**
* Class template for the <tt>structdim</tt>-dimensional cells constituting
* a Triangulation of dimension <tt>structdim</tt> or lower dimensional
* objects of higher dimensions. They are characterized by the
* (global) indices of their faces, which are cells of dimension
* <tt>structdim-1</tt> or vertices if <tt>structdim=1</tt>.
*
* @author Guido Kanschat, 2007
*/
template <int structdim>
class TriaObject
{
public:
static const unsigned int dimension = structdim;
/**
* Default constructor,
* setting all face indices
* to invalid values.
*/
TriaObject ();
/**
* Constructor for a line
* object with the numbers of
* its two end points.
*
* Throws an exception if
* dimension is not one.
*/
TriaObject (const int i0, const int i1);
/**
* Constructor for a quadrilateral
* object with the numbers of
* its four lines.
*
* Throws an exception if
* dimension is not two.
*/
TriaObject (const int i0, const int i1,
const int i2, const int i3);
/**
* Constructor for a hexahedron
* object with the numbers of
* its six quadrilaterals.
*
* Throws an exception if
* dimension is not two.
*/
TriaObject (const int i0, const int i1,
const int i2, const int i3,
const int i4, const int i5);
/**
* Return the index of the
* ith face object.
*/
int face (const unsigned int i) const;
/**
* Set the index of the ith
* face object.
*/
void set_face (const unsigned int i, const int index);
/**
* Determine an estimate for the
* memory consumption (in bytes)
* of this object.
*/
static unsigned int memory_consumption ();
protected:
/**
* Global indices of the
* face iterators bounding
* this cell if dim@>1, and
* the two vertex indices in
* 1d.
*/
int faces[GeometryInfo<structdim>::faces_per_cell];
};
//----------------------------------------------------------------------//
template <int structdim>
inline
TriaObject<structdim>::TriaObject ()
{
for (unsigned int i=0; i<GeometryInfo<structdim>::faces_per_cell; ++i)
faces[i] = -1;
}
template <int structdim>
inline
TriaObject<structdim>::TriaObject (const int i0,
const int i1)
{
Assert (structdim==1, ExcImpossibleInDim(structdim));
faces[0] = i0;
faces[1] = i1;
}
template <int structdim>
inline
TriaObject<structdim>::TriaObject (const int i0,
const int i1,
const int i2,
const int i3)
{
Assert (structdim==2, ExcImpossibleInDim(structdim));
faces[0] = i0;
faces[1] = i1;
faces[2] = i2;
faces[3] = i3;
}
template <int structdim>
inline
TriaObject<structdim>::TriaObject (const int i0,
const int i1,
const int i2,
const int i3,
const int i4,
const int i5)
{
Assert (structdim==3, ExcImpossibleInDim(structdim));
faces[0] = i0;
faces[1] = i1;
faces[2] = i2;
faces[3] = i3;
faces[4] = i4;
faces[5] = i5;
}
template <int structdim>
inline
int TriaObject<structdim>::face (const unsigned int i) const
{
Assert (i<GeometryInfo<structdim>::faces_per_cell,
ExcIndexRange(i,0,GeometryInfo<structdim>::faces_per_cell));
return faces[i];
}
template <int structdim>
inline
void TriaObject<structdim>::set_face (const unsigned int i, const int index)
{
Assert (i<GeometryInfo<structdim>::faces_per_cell,
ExcIndexRange(i,0,GeometryInfo<structdim>::faces_per_cell));
faces[i] = index;
}
template <int structdim>
inline
unsigned int
TriaObject<structdim>::memory_consumption ()
{
return sizeof(TriaObject<structdim>);
}
}
}
DEAL_II_NAMESPACE_CLOSE
#endif
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