* mln/arith/minus.hh (minus_inplace): New.
	* mln/arith/plus.hh (plus_inplace): New.
	* mln/fun/v2v/saturate.hh: New.
	* mln/level/abs.hh: New.
	* mln/level/saturate.hh: New.
	* mln/linear/sobel.hh: Update.
	* mln/math/round.hh (round_): Rename as...
	(round): ...this.
	* tests/convolve.cc,
	* tests/line_convolve.cc,
	* tests/sobel.cc: Update.

	* mln/linear/line_convolve.hh,
	* mln/linear/line_x2_convolve.hh,
	* mln/make/w_window_line.hh: Unconst array literals to help
	g++-2.95.

	* mln/core/concept/function.hh (Function_v2b): New.
	* mln/core/macros.hh (mln_value_): New.
	* mln/fun/ops.hh (l_, r_, f_): Add const.
	(mln_decl_binary_expr_): Use 'Out' part of fun type name.
	(mln_decl_unary_expr_): Likewise.
	New overload for "v2v -> v2b" operators.
	* mln/fun/v2v/id.hh: New.
	* mln/level/assign.hh,
	* mln/level/fill.hh: Add todo.
	* mln/morpho/erosion.hh: Update.

	* mln/morpho/includes.hh,
	* mln/morpho/closing.hh,
	* mln/morpho/dilation.hh
	* mln/morpho/gradient.hh
	* mln/morpho/opening.hh: New.
	* mln/test: New directory.
	* mln/test/positive.hh,
	* mln/test/predicate.hh,
	* tests/morpho_gradient.cc: New.


git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@1056 4aad255d-cdde-0310-9447-f3009e2ae8c0