/usr/include/dune/localfunctions/lagrange/q1/q1localcoefficients.hh is in libdune-localfunctions-dev 2.5.0-2.
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 | // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
#ifndef DUNE_Q1_LOCALCOEFFICIENTS_HH
#define DUNE_Q1_LOCALCOEFFICIENTS_HH
#include <cstddef>
#include <iostream>
#include <vector>
#include <dune/localfunctions/common/localkey.hh>
namespace Dune
{
/**@ingroup LocalLayoutImplementation
\brief Layout map for Q1 elements
\nosubgrouping
\implements Dune::LocalCoefficientsVirtualImp
*/
template <int dim>
class Q1LocalCoefficients
{
public:
//! \brief Standard constructor
Q1LocalCoefficients () : li(1<<dim)
{
for (std::size_t i=0; i<(1<<dim); i++)
li[i] = LocalKey(i,dim,0);
}
//! number of coefficients
std::size_t size () const
{
return 1<<dim;
}
//! get i'th index
const LocalKey& localKey (std::size_t i) const
{
return li[i];
}
private:
std::vector<LocalKey> li;
};
}
#endif
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