/usr/include/dune/localfunctions/lagrange/p0.hh is in libdune-localfunctions-dev 2.3.1-1.
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_P0LOCALFINITEELEMENT_HH
#define DUNE_P0LOCALFINITEELEMENT_HH
#include <dune/geometry/type.hh>
#include <dune/localfunctions/common/localfiniteelementtraits.hh>
#include "p0/p0localbasis.hh"
#include "p0/p0localcoefficients.hh"
#include "p0/p0localinterpolation.hh"
namespace Dune
{
/** \todo The local p0 finite element on all types of reference elements
\tparam D Domain data type
\tparam R Range data type
\tparam d Dimension of the reference element
*/
template<class D, class R, int d>
class P0LocalFiniteElement
{
public:
/** \todo Please doc me !
*/
typedef LocalFiniteElementTraits<P0LocalBasis<D,R,d>, P0LocalCoefficients,
P0LocalInterpolation<P0LocalBasis<D,R,d> > > Traits;
/** \todo Please doc me !
*/
P0LocalFiniteElement (const GeometryType& type)
: interpolation(type), gt(type)
{}
/** \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;
}
/** \todo Please doc me !
*/
GeometryType type () const
{
return gt;
}
P0LocalFiniteElement* clone () const
{
return new P0LocalFiniteElement(*this);
}
private:
P0LocalBasis<D,R,d> basis;
P0LocalCoefficients coefficients;
P0LocalInterpolation<P0LocalBasis<D,R,d> > interpolation;
GeometryType gt;
};
}
#endif
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