/usr/include/dune/localfunctions/lagrange/ is in libdune-localfunctions-dev 2.3.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/dune/localfunctions/lagrange/emptypoints.hh
/usr/include/dune/localfunctions/lagrange/equidistantpoints.hh
/usr/include/dune/localfunctions/lagrange/interpolation.hh
/usr/include/dune/localfunctions/lagrange/lagrangebasis.hh
/usr/include/dune/localfunctions/lagrange/lagrangecoefficients.hh
/usr/include/dune/localfunctions/lagrange/p0/
/usr/include/dune/localfunctions/lagrange/p0.hh
/usr/include/dune/localfunctions/lagrange/p0/p0localbasis.hh
/usr/include/dune/localfunctions/lagrange/p0/p0localcoefficients.hh
/usr/include/dune/localfunctions/lagrange/p0/p0localinterpolation.hh
/usr/include/dune/localfunctions/lagrange/p1/
/usr/include/dune/localfunctions/lagrange/p1.hh
/usr/include/dune/localfunctions/lagrange/p1/p1localbasis.hh
/usr/include/dune/localfunctions/lagrange/p1/p1localcoefficients.hh
/usr/include/dune/localfunctions/lagrange/p1/p1localinterpolation.hh
/usr/include/dune/localfunctions/lagrange/p2.hh
/usr/include/dune/localfunctions/lagrange/p23d/
/usr/include/dune/localfunctions/lagrange/p23d.hh
/usr/include/dune/localfunctions/lagrange/p23d/p23dlocalbasis.hh
/usr/include/dune/localfunctions/lagrange/p23d/p23dlocalcoefficients.hh
/usr/include/dune/localfunctions/lagrange/p23d/p23dlocalinterpolation.hh
/usr/include/dune/localfunctions/lagrange/pk.hh
/usr/include/dune/localfunctions/lagrange/pk1d/
/usr/include/dune/localfunctions/lagrange/pk1d.hh
/usr/include/dune/localfunctions/lagrange/pk1d/pk1dlocalbasis.hh
/usr/include/dune/localfunctions/lagrange/pk1d/pk1dlocalcoefficients.hh
/usr/include/dune/localfunctions/lagrange/pk1d/pk1dlocalinterpolation.hh
/usr/include/dune/localfunctions/lagrange/pk2d/
/usr/include/dune/localfunctions/lagrange/pk2d.hh
/usr/include/dune/localfunctions/lagrange/pk2d/pk2dlocalbasis.hh
/usr/include/dune/localfunctions/lagrange/pk2d/pk2dlocalcoefficients.hh
/usr/include/dune/localfunctions/lagrange/pk2d/pk2dlocalinterpolation.hh
/usr/include/dune/localfunctions/lagrange/pk3d/
/usr/include/dune/localfunctions/lagrange/pk3d.hh
/usr/include/dune/localfunctions/lagrange/pk3d/pk3dlocalbasis.hh
/usr/include/dune/localfunctions/lagrange/pk3d/pk3dlocalcoefficients.hh
/usr/include/dune/localfunctions/lagrange/pk3d/pk3dlocalinterpolation.hh
/usr/include/dune/localfunctions/lagrange/pq22d.hh
/usr/include/dune/localfunctions/lagrange/pqkfactory.hh
/usr/include/dune/localfunctions/lagrange/prismp1/
/usr/include/dune/localfunctions/lagrange/prismp1.hh
/usr/include/dune/localfunctions/lagrange/prismp1/prismp1localbasis.hh
/usr/include/dune/localfunctions/lagrange/prismp1/prismp1localcoefficients.hh
/usr/include/dune/localfunctions/lagrange/prismp1/prismp1localinterpolation.hh
/usr/include/dune/localfunctions/lagrange/prismp2/
/usr/include/dune/localfunctions/lagrange/prismp2.hh
/usr/include/dune/localfunctions/lagrange/prismp2/prismp2localbasis.hh
/usr/include/dune/localfunctions/lagrange/prismp2/prismp2localcoefficients.hh
/usr/include/dune/localfunctions/lagrange/prismp2/prismp2localinterpolation.hh
/usr/include/dune/localfunctions/lagrange/pyramidp1/
/usr/include/dune/localfunctions/lagrange/pyramidp1.hh
/usr/include/dune/localfunctions/lagrange/pyramidp1/pyramidp1localbasis.hh
/usr/include/dune/localfunctions/lagrange/pyramidp1/pyramidp1localcoefficients.hh
/usr/include/dune/localfunctions/lagrange/pyramidp1/pyramidp1localinterpolation.hh
/usr/include/dune/localfunctions/lagrange/pyramidp2/
/usr/include/dune/localfunctions/lagrange/pyramidp2.hh
/usr/include/dune/localfunctions/lagrange/pyramidp2/pyramidp2localbasis.hh
/usr/include/dune/localfunctions/lagrange/pyramidp2/pyramidp2localcoefficients.hh
/usr/include/dune/localfunctions/lagrange/pyramidp2/pyramidp2localinterpolation.hh
/usr/include/dune/localfunctions/lagrange/q1/
/usr/include/dune/localfunctions/lagrange/q1.hh
/usr/include/dune/localfunctions/lagrange/q1/q1localbasis.hh
/usr/include/dune/localfunctions/lagrange/q1/q1localcoefficients.hh
/usr/include/dune/localfunctions/lagrange/q1/q1localinterpolation.hh
/usr/include/dune/localfunctions/lagrange/q2/
/usr/include/dune/localfunctions/lagrange/q2.hh
/usr/include/dune/localfunctions/lagrange/q2/q2localbasis.hh
/usr/include/dune/localfunctions/lagrange/q2/q2localcoefficients.hh
/usr/include/dune/localfunctions/lagrange/q2/q2localinterpolation.hh
/usr/include/dune/localfunctions/lagrange/qk/
/usr/include/dune/localfunctions/lagrange/qk.hh
/usr/include/dune/localfunctions/lagrange/qk/qklocalbasis.hh
/usr/include/dune/localfunctions/lagrange/qk/qklocalcoefficients.hh
/usr/include/dune/localfunctions/lagrange/qk/qklocalinterpolation.hh