/usr/include/dune/localfunctions/lagrange/q2.hh is in libdune-localfunctions-dev 2.2.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | // -*- tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=2 sw=2 sts=2:
#ifndef DUNE_Q2_LOCALFINITEELEMENT_HH
#define DUNE_Q2_LOCALFINITEELEMENT_HH
#include <dune/geometry/type.hh>
#include <dune/localfunctions/common/localfiniteelementtraits.hh>
#include <dune/localfunctions/common/localtoglobaladaptors.hh>
#include "q2/q2localbasis.hh"
#include "q2/q2localcoefficients.hh"
#include "q2/q2localinterpolation.hh"
namespace Dune
{
/** \brief 2nd-order Lagrangian finite elements on hybercubes
* \tparam D Type used for coordinates
* \tparam R Type used for function values
* \tparam dim Dimension of the reference cube
*/
template<class D, class R, int dim>
class Q2LocalFiniteElement
{
public:
/** \todo Please doc me !
*/
typedef LocalFiniteElementTraits<Q2LocalBasis<D,R,dim>,Q2LocalCoefficients<dim>,
Q2LocalInterpolation<Q2LocalBasis<D,R,dim> > > Traits;
/** \brief Default constructor
*/
Q2LocalFiniteElement ()
{
gt.makeCube(dim);
}
/** \brief Get the actual shape functions
*/
const typename Traits::LocalBasisType& localBasis () const
{
return basis;
}
/** \todo Please doc me!
*/
const typename Traits::LocalCoefficientsType& localCoefficients () const
{
return coefficients;
}
/** \todo Please doc me !
*/
const typename Traits::LocalInterpolationType& localInterpolation () const
{
return interpolation;
}
/** \brief Get the type of the reference element
*/
GeometryType type () const
{
return gt;
}
private:
Q2LocalBasis<D,R,dim> basis;
Q2LocalCoefficients<dim> coefficients;
Q2LocalInterpolation<Q2LocalBasis<D,R,dim> > interpolation;
GeometryType gt;
};
//! Factory for global-valued Q23D elements
/**
* \tparam Geometry Type of the geometry. Used to extract the domain field
* type.
* \tparam RF Range field type.
*/
template<class Geometry, class RF>
class Q2FiniteElementFactory :
public ScalarLocalToGlobalFiniteElementAdaptorFactory<
Q2LocalFiniteElement<typename Geometry::ctype, RF, Geometry::mydimension>, Geometry
>
{
typedef Q2LocalFiniteElement<typename Geometry::ctype, RF, Geometry::mydimension> LFE;
typedef ScalarLocalToGlobalFiniteElementAdaptorFactory<LFE, Geometry> Base;
static const LFE lfe;
public:
//! default constructor
Q2FiniteElementFactory() : Base(lfe) {}
};
template<class Geometry, class RF>
const typename Q2FiniteElementFactory<Geometry, RF>::LFE
Q2FiniteElementFactory<Geometry, RF>::lfe;
}
#endif
|