/usr/include/dune/localfunctions/raviartthomas/raviartthomas3cube2d/raviartthomas3cube2dlocalcoefficients.hh is in libdune-localfunctions-dev 2.4.1-1.
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_RAVIARTTHOMAS3_CUBE2D_LOCALCOEFFICIENTS_HH
#define DUNE_LOCALFUNCTIONS_RAVIARTTHOMAS3_CUBE2D_LOCALCOEFFICIENTS_HH
#include <cstddef>
#include <vector>
#include "../../common/localkey.hh"
namespace Dune
{
/**
* \ingroup LocalLayoutImplementation
* \brief Layout map for Raviart-Thomas-3 elements on quadrilaterals
*
* \nosubgrouping
* \implements Dune::LocalCoefficientsVirtualImp
*/
class RT3Cube2DLocalCoefficients
{
public:
//! \brief Standard constructor
RT3Cube2DLocalCoefficients () : li(40)
{
for (std::size_t i = 0; i < 4; i++)
{
li[4*i] = LocalKey(i,1,0);
li[4*i + 1] = LocalKey(i,1,1);
li[4*i + 2] = LocalKey(i,1,2);
li[4*i + 3] = LocalKey(i,1,3);
}
for (std::size_t i=0; i<24; i++)
{
li[16 + i] = LocalKey(0,0,i);
}
}
//! \brief number of coefficients
std::size_t size () const
{
return 40;
}
//! \brief get i'th index
const LocalKey& localKey (std::size_t i) const
{
return li[i];
}
private:
std::vector<LocalKey> li;
};
}
#endif // DUNE_LOCALFUNCTIONS_RAVIARTTHOMAS3_CUBE2D_LOCALCOEFFICIENTS_HH
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