/usr/include/dune/geometry/quadraturerules/pointquadrature.hh is in libdune-geometry-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.
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 | // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
namespace Dune {
/** \brief Quadrature for a point (0D) */
template<typename ct>
class PointQuadratureRule :
public QuadratureRule<ct,0>
{
// compile time parameters
enum { dim=0 };
friend class QuadratureRuleFactory<ct,dim>;
PointQuadratureRule () : QuadratureRule<ct,0>(GeometryType(GeometryType::cube, 0))
{
FieldVector<ct, dim> point(0.0);
// Any function is integrated exactly, hence the order is infinite
this->delivered_order = std::numeric_limits<int>::max();
this->push_back(QuadraturePoint<ct,dim>(point, 1.0));
}
~PointQuadratureRule(){}
};
} // end namespace Dune
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