* headers.mk, tests/unit_test/unit-tests.mk: Here.

	* mln/topo/is_simple_point3d.hh: New.

	* tools/Makefile.am (CLEANFILES): New.
	Add simple_point_3d_lut_26_6.txt and simple_point_3d_lut_26_6.hh.
	(simple_point_luts): New (phony) target.
	(simple_point_3d_lut_26_6.txt)
	(simple_point_3d_lut_26_6.hh):
	New targets.

	* tools/simple_point_3d_lut_tbb.hh,
	* tools/simple_point_3d_lut_tbb.cc:
	New.
	* tools/Makefile.am (noinst_HEADERS): Add simple_point_3d_lut_tbb.hh.
	(EXTRA_PROGRAMS): Add simple_point_3d_lut_tbb.
	(simple_point_3d_lut_tbb_SOURCES)
	(simple_point_3d_lut_tbb_CPPFLAGS)
	(simple_point_3d_lut_tbb_LDFLAGS):
	New.

	* tools/simple_point_3d_lut.hh,
	* tools/simple_point_3d_lut.cc:
	New.
	* tools/Makefile.am (noinst_HEADERS): Add simple_point_3d_lut.hh.
	(EXTRA_PROGRAMS): Add simple_point_3d_lut.
	(simple_point_3d_lut_SOURCES): New.

	* mln/topo/is_simple_2d.hh
	(mln::topo::is_simple_2d_t<N>::nb_connectivity2d):
	(mln::topo::is_simple_2d_t<N>::nb_connectivity2d__):
	Use a more reliable method to identify the neighborhood.
	* mln/topo/is_simple_point2d.hh: Typo in comment.

	* mln/topo/is_simple_2d.hh (mln::topo::is_simple_2d)
	(mln::topo::connectivity_number_2d):
	New.
	* apps/generic-skel/image2d-skel.hh (is_simple_2d::operator()):
	Adjust.

	* tools/connectivity_numbers_3d.hh (connectivity_numbers_3d):
	Reindent.
	(connectivity_number_3d__6_26_one)
	(connectivity_number_3d__6p_18_one)
	(connectivity_number_3d__18_6p_one):
	Fix types: s/config_3d_t/conn_number_t/.
	(usage): New function.
	(display_connectivity_numbers): New function.
	Use it to simplify...
	* tools/connectivity_numbers_3d.cc,
	* tools/connectivity_numbers_3d_tbb.cc (main): ...these functions.
	(usage): Remove.
	* tools/compute_local_configurations.cc,
	* tools/connectivity_numbers_3d_tbb.hh:
	Add a comment.

	* tools/connectivity_numbers_3d_tbb.hh,
	* tools/connectivity_numbers_3d_tbb.cc:
	New.
	* tools/Makefile.am (CPPFLAGS_TBB, LDFLAGS_TBB): New.
	(extra): New (phony) target.
	(EXTRA_PROGRAMS)
	(connectivity_numbers_3d_tbb_SOURCES)
	(connectivity_numbers_3d_tbb_CPPFLAGS)
	(connectivity_numbers_3d_tbb_LDFLAGS):
	New variables.

	* tools/connectivity_numbers_3d.hh
	(connectivity_number_3d__6_26_one)
	(connectivity_number_3d__26_6_one)
	(connectivity_number_3d__6p_18_one)
	(connectivity_number_3d__18_6p_one):
	Create and use a copy of the neighborhood instead of using a
	shared, thread-unsafe object.
	Aesthetic changes.
	* tools/connectivity_numbers_3d.cc: Aesthetic changes.

	* tools/connectivity_numbers_3d.cc: Move most of the contents of
	this file into..
	* tools/connectivity_numbers_3d.hh: ...this (new) file.
	* tools/Makefile.am (connectivity_numbers_3d_SOURCES):
	Add connectivity_numbers_3d.hh

	* tools/connectivity_numbers_3d.cc: New.
	* tools/Makefile.am (noinst_PROGRAMS):
	Add connectivity_numbers_3d.
	(connectivity_numbers_3d_SOURCES): New.

	* tools/compute_local_configurations.cc: Add missing header
	inclusion (mln/value/int_u8.hh).
	Add copyright notice.
	* tools/Makefile.am (noinst_PROGRAMS): Add
	compute_local_configurations.
	(compute_local_configurations_SOURCES): New.

	* tools/compute_local_configurations.cc: New.
	Imported from
	sandbox/inim/2009/ocr/compute_local_configurations.cc.

	* apps/generic-skel/image2d-skel-unconstrained.cc,
	* apps/generic-skel/image2d-skel-with-end-points.cc,
	* apps/generic-skel/image2d-skel.hh:
	New.
	* apps/generic-skel/test-image2d-skel-unconstrained.in,
	* apps/generic-skel/test-image2d-skel-with-end-points.in:
	New tests.
	* apps/generic-skel/Makefile.am: New.
	* apps/Makefile.am (SUBDIRS): Add generic-skel.

	* apps/graph-morpho/morpho.hh
	(trait::graph< mln::complex_image<1, G, V> >::is_vertex)
	(trait::graph< mln::complex_image<1, G, V> >::is_edge):
	Fix the return type.

	* apps/mesh-segm-skel/mesh-complex-max-curv-2-collapse.cc,
	* apps/mesh-segm-skel/mesh-complex-max-curv-1-collapse.cc:
	Here.

	* apps/mesh-segm-skel/mesh-complex-max-curv-2-collapse.cc,
	* apps/mesh-segm-skel/mesh-complex-max-curv-1-collapse.cc:
	Here.

	* mln/topo/is_simple_cell.hh: Add static preconditions.
	Reduce the number of pointer manipulations.
	Aesthetic changes.
	* mln/topo/detach_cell.hh: Move a static precondition.
	Aesthetic changes.
	* mln/io/vtk/save.hh: Cosmetic changes.

	* apps/mesh-segm-skel/mesh-complex-max-curv-2-collapse.cc,
	* apps/mesh-segm-skel/mesh-complex-max-curv-1-collapse.cc:
	New.
	* apps/mesh-segm-skel/test-mesh-complex-max-curv-2-collapse.in,
	* apps/mesh-segm-skel/test-mesh-complex-max-curv-1-collapse.in:
	New.
	* apps/mesh-segm-skel/Makefile.am (bin_PROGRAMS):
	Add mesh-complex-max-curv-2-collapse.
	And mesh-complex-max-curv-1-collapse
	(mesh_complex_max_curve_2_collapse_SOURCES)
	(mesh_complex_max_curve_1_collapse_SOURCES):
	New.
	(edit): New.
	(test-mesh-complex-max-curv-2-collapse)
	(test-mesh-complex-max-curv-1-collapse):
	New target.
	(TESTS, CLEANFILES): Add test-mesh-complex-max-curv-2-collapse
	and test-mesh-complex-max-curv-1-collapse.
	(MOSTLYCLEANFILES): Add teapot-max-curv-2-collapse.vtk,
	bunny-holefilled-max-curv-2-collapse.vtk,
	teapot-max-curv-1-collapse.vtk and
	bunny-holefilled-max-curv-1-collapse.vtk.

	* mesh/bunny-holefilled.vtk,
	* mesh/teapot.vtk:
	New.
	Generated from mesh/bunny-holefilled.off and mesh/teapot.off using
	apps/mesh-segm-skel/off-to-vtk-bin.
	* mesh/Makefile.am (dist_mesh_DATA): Add bunny-holefilled.vtk and
	teapot.vtk.

	* apps/mesh-segm-skel/off-to-vtk-bin.cc: New.
	* apps/mesh-segm-skel/Makefile.am
	(bin_PROGRAMS): Add off-to-vtk-bin.
	(off_to_vtk_bin_SOURCES): New.

	* apps/mesh-segm-skel/mesh-complex-2-collapse.cc: New.
	* apps/mesh-segm-skel/test-mesh-complex-2-collapse.in: New.
	* apps/mesh-segm-skel/Makefile.am (bin_PROGRAMS):
	Add mesh-complex-2-collapse.
	(mesh_complex_2_collapse_SOURCES): New.
	(edit): New.
	(test-mesh-complex-2-collapse): New target.
	(TESTS, CLEANFILES): Add test-mesh-complex-2-collapse.
	(MOSTLYCLEANFILES): Add pseudo-manifold-2-collapse.vtk.

	* mln/topo/skeleton/breadth_first_thinning.hh,
	* mln/topo/skeleton/priority_driven_thinning.hh:
	Use an image `in_queue' to tag sites inserted in the queue.

	* mln/topo/is_simple_pair.hh,
	* mln/topo/detach_pair.hh:
	New.
	* tests/topo/is_simple_pair.cc,
	* tests/topo/detach_pair.cc:
	New tests.
	* tests/topo/Makefile.am (check_PROGRAMS): Add is_simple_pair and
	detach_pair.
	(detach_pair_SOURCES, is_simple_pair_SOURCES): New.
	(MOSTLYCLEANFILES): New.  Add detach_pair-out.vtk.

	* mln/io/vtk/load.hh: New file.
	Include it...
	* mln/io/vtk/all.hh: ...here.
	* tests/io/vtk/load_bin.cc,
	* tests/io/vtk/load_save_bin.cc:
	New.
	* tests/io/vtk/Makefile.am (check_PROGRAMS): Add load_bin and
	load_save_bin.
	(load_bin_SOURCES, load_save_bin_SOURCES): New.
	(MOSTLYCLEANFILES): Add load_save_bin-out.vtk.

	* mesh/tetrahedron.vtk,
	* mesh/pseudo-manifold.vtk:
	New.
	* mesh/Makefile.am (dist_mesh_DATA): Add tetrahedron.vtk and
	pseudo-manifold.vtk.

	* mln/geom/complex_geometry.hh
	(mln::geom::complex_geometry<D, P>::reserve): New.
	Use it...
	* mln/io/off/load.hh: ...here.
	Aesthetic changes.

	* apps/mesh-segm-skel/test-mesh-segm.in: Remove erroneous
	execution permission.
	* apps/mesh-segm-skel/test-mesh-complex-max-curv-extrema.in:
	Add a missing copyright header.

	* tests/core/image/complex_image.hh
	(make_test_bin_2complex_image2d): New function.
	* tests/topo/is_facet.cc,
	* tests/make/detachment.cc,
	* tests/make/attachment.cc:
	New.
	* tests/topo/Makefile.am (check_PROGRAMS): Add is_facet.
	(is_facet_SOURCES): New.
	* tests/make/Makefile.am (check_PROGRAMS): Add attachment and
	detachment.
	(attachment_SOURCES, detachment_SOURCES): New.

	* mln/core/alias/complex_image.hh (mln::bin_2complex_image2d):
	New typedef.

	* mln/topo/is_simple_cell.hh
	(mln::topo::is_simple_cell<I, N, NL, NH>::operator()):
	Replace ad hoc code by a call to is_facet.

	* mln/topo/is_facet.hh (mln::topo::is_facet): Take a binary image
	and a neighborhood as arguments and take the image's values into
	account.

	* mln/make/attachment.hh,
	* mln/make/cell.hh,
	* mln/make/detachment.hh,
	* mln/topo/detach_cell.hh:
	Do not require the face passed as argument to be a facet.

	* mln/topo/skeleton/priority_driven_thinning.hh
	(mln::topo::skeleton::priority_driven_thinning): Catch up
	with mln::topo::skeleton::breadth_first_thinning.
	* mln/topo/detach_point.hh: Turn into a functor to match the new
	interface of thinning algorithms.
	* tests/topo/skeleton/breadth_first_thinning.cc
	* tests/topo/skeleton/breadth_first_thinning_constrained.cc
	* tests/topo/skeleton/priority_driven_thinning.cc
	* tests/topo/skeleton/priority_driven_thinning_constrained.cc:
	Adjust.

	* mln/topo/is_simple_cell.hh
	(mln::topo::is_simple_cell<I, N, NL, NH>::operator()): Here.

	* apps/mesh-segm-skel/mesh-complex-skel.cc,
	* apps/mesh-segm-skel/mesh-complex-max-curv-skel.cc,
	* apps/mesh-segm-skel/mesh-complex-pinv-curv-skel.cc:
	Here.

	* apps/mesh-segm-skel/mesh-complex-skel.cc,
	* apps/mesh-segm-skel/mesh-complex-max-curv-skel.cc,
	* apps/mesh-segm-skel/mesh-complex-pinv-curv-skel.cc:
	Catch up with the new interface of breadth-first thinning and
	auxiliary routines.

	* mln/topo/is_simple_cell.hh: Make this functor more generic.
	* mln/topo/detach_cell.hh (detach): Turn this function into a
	more generic functor.
	* mln/make/attachment.hh (mln::make::attachment)
	* mln/make/detachment.hh (mln::make::detachment):
	Make these routines more generic.
	* mln/topo/skeleton/breadth_first_thinning.hh
	(mln::topo::skeleton::breadth_first_thinning):
	Adjust.
	* headers.mk: Regen.

	* mln/core/routine/mutable_extend.hh: New.
	* headers.mk: Regen.