* tests/value_float01_bis.cc: New.
	* tests/value_float01_f.cc: Layout.
	* tests/value_float01.hh: Remove.
	* tests/value_float01.cc: Use mln_assertion.
	* tests/value_int_u8.cc: Check size of float01_8.
	* mln/accu/median.hh (init): Fix.
	* mln/value/internal/value_like.hh (V): Rename as...
	(C): ...this.
	(V, N): New parameters.
	(operator): Remove auto conversion; too risky.
	(to_interop): New.
	* mln/value/graylevel.hh,
	* mln/value/float01_.hh,
	* mln/value/int_s.hh,
	* mln/value/int_u.hh,
	* mln/value/int_u_sat.hh,
	* mln/value/float01.hh,
	* mln/value/float01_f.hh: Update.


git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@1272 4aad255d-cdde-0310-9447-f3009e2ae8c0