automata for emptiness, using the existing algorithms.
* wrap/python/spot.i: Declare spot::explicit_magic_search,
and spot::explicit_se05_search as allocating their output.
* wrap/python/libpy.c: Delete.
* wrap/python/swigpy.i: New file.
* wrap/python/Makefile.am (swigpy_wrap.c): Build this from swigpy.i
and use it instead of libpy.c.
fair_loop_approx.
* src/tgbaalgos/ltl2tgba_fm.cc (ltl_to_tgba_fm): Implement the
fair_loop_approx optimization.
(ltl_promise_visitor, ltl_possible_fair_loop_visitor,
possible_fair_loop_checker): New classes.
* src/tgbatest/ltl2tgba.cc: Add the -L option.
* src/tgbatest/spotlbtt.test: Exercise fair_loop_approx.
* wrap/python/cgi/ltl2tgba.in: Make it an option.
branching_postponement.
* src/tgbaalgos/ltl2tgba_fm.cc (fill_dests): New function, extracted
from ltl_to_tgba_fm().
(ltl_to_tgba_fm): Implement the branching_postponement optimization.
* src/tgbatest/ltl2tgba.cc: Add the -p option.
* src/tgbatest/spotlbtt.test: Exercise branching postponement.
* wrap/python/cgi/ltl2tgba.in: Make it an option.
symb_merge argument.
* src/tgbaalgos/ltl2tgba_fm.cc (ltl_to_tgba_fm): Likewise.
* src/tgbatest/ltl2tgba.cc (main): Rename -fx as -x, and add -y
to unset symb_merge.
* wrap/python/cgi/ltl2tgba.in: Remove the exprop version
of the FM translator, make exprop and symb_merge options.
argument. Consider all possible combinations of propositions when
generating arcs. Suggested by Jean-Michel Couvreur.
* src/tgbaalgos/ltl2tgba_fm.hh (ltl_to_tgba_fm): Adjust.
* src/tgbatest/ltl2tgba.cc: Honor -fx.
* src/tgbatest/spotlbtt.test: Exercise -fx.
* wrap/python/cgi/ltl2tgba.in: Support Couvreur/FM with exploded
properties.
* wrap/python/cgi/ltl2tgba.in (print_footer, alarm_handler)
(reset_alarm): New functions. Kill the script and its
children if it runs for too long.
(render_dot): Call reset_alarm.
* wrap/python/spot.i: Include misc/bddalloc.hh and misc/minato.hh.
* wrap/python/tests/minato.py: New file.
* wrap/python/tests/Makefile.am (TESTS): Add minato.py.
