/usr/include/dune/localfunctions/lagrange/qk.hh is in libdune-localfunctions-dev 2.5.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// vi: set et ts=4 sw=2 sts=2:
#ifndef DUNE_LOCALFUNCTIONS_QK_LOCALFINITEELEMENT_HH
#define DUNE_LOCALFUNCTIONS_QK_LOCALFINITEELEMENT_HH
#include "qk/qklocalinterpolation.hh"
#include "qk/qklocalbasis.hh"
#include "qk/qklocalcoefficients.hh"
namespace Dune
{
/** \brief General Lagrange finite element for cubes with arbitrary dimension and polynomial order
* \note The general class QkLocalCoefficients is available for k>0 in dimensions 2 and 3 only
*
* \tparam D type used for domain coordinates
* \tparam R type used for function values
* \tparam d dimension of the reference element
* \tparam k polynomial order
*/
template<class D, class R, int d, int k>
class QkLocalFiniteElement {
typedef QkLocalBasis<D,R,k,d> LocalBasis;
typedef QkLocalCoefficients<k,d> LocalCoefficients;
typedef QkLocalInterpolation<k,d,LocalBasis> LocalInterpolation;
public:
/** \todo Please doc me !
*/
typedef LocalFiniteElementTraits<LocalBasis,QkLocalCoefficients<k,d>,LocalInterpolation> Traits;
/** \todo Please doc me !
*/
QkLocalFiniteElement ()
{
gt.makeCube(d);
}
/** \todo Please doc me !
*/
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 Number of shape functions in this finite element */
unsigned int size () const
{
return basis.size();
}
/** \todo Please doc me !
*/
GeometryType type () const
{
return gt;
}
QkLocalFiniteElement* clone () const
{
return new QkLocalFiniteElement(*this);
}
private:
LocalBasis basis;
LocalCoefficients coefficients;
LocalInterpolation interpolation;
GeometryType gt;
};
}
#endif
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