/usr/share/dune/aclocal/dune_grid.m4 is in libdune-grid-dev 2.2.1-2.
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 | ## -*- autoconf -*-
AC_DEFUN([DUNE_GRID_CHECKS],[
AC_REQUIRE([DUNE_GRID_DIMENSION])
AC_REQUIRE([DUNE_PATH_GRAPE])
AC_REQUIRE([DUNE_PATH_ALBERTA])
AC_REQUIRE([DUNE_PATH_UG])
AC_REQUIRE([DUNE_PATH_AMIRAMESH])
AC_REQUIRE([DUNE_PATH_PSURFACE])
AC_REQUIRE([DUNE_PATH_ALUGRID])
AC_REQUIRE([DUNE_EXPERIMENTAL_GRID_EXTENSIONS])
DUNE_DEFINE_GRIDTYPE([ONEDGRID],[(GRIDDIM == 1) && (WORLDDIM == 1)],[Dune::OneDGrid],[dune/grid/onedgrid.hh],[dune/grid/io/file/dgfparser/dgfoned.hh])
DUNE_DEFINE_GRIDTYPE([SGRID],[],[Dune::SGrid< dimgrid, dimworld >],[dune/grid/sgrid.hh],[dune/grid/io/file/dgfparser/dgfs.hh])
DUNE_DEFINE_GRIDTYPE([YASPGRID],[GRIDDIM == WORLDDIM],[Dune::YaspGrid< dimgrid >],[dune/grid/yaspgrid.hh],[dune/grid/io/file/dgfparser/dgfyasp.hh])
])
AC_DEFUN([DUNE_GRID_CHECK_MODULE],[
DUNE_CHECK_MODULES([dune-grid], [grid/onedgrid.hh],[dnl
std::vector<Dune::OneDGrid::ctype> coords;
Dune::OneDGrid grid(coords);
return grid.lbegin<0>(0) == grid.lend<0>(0);])
])
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