src/tgbaalgos/gtec/gtec.hh (couvreur99_check::print_stats): New.
* src/tgbatest/ltl2tgba.cc: Print emptiness-check statistics.

as `if (x) delete x;'.
* iface/gspn/gspn.cc, iface/gspn/ssp.cc, src/ltlvisit/basicreduce.cc,
src/tgba/tgba.cc, src/tgba/tgbaproduct.cc, src/tgbaalgos/magic.cc,
src/tgbatest/ltl2tgba.cc: Remove such constructs.

-eALGO and -EALGO to ease the addition of new algorithms.
* src/tgbatest/emptchk.test, src/tgbatest/emptchke.test: Adjust.

* src/sanity/style.test: Diagnose trailing whitespace.

* src/sanity/80columns.test: Use expand to untabify, the previous
recipe was incomplete.

accepting.

Initialize best_end to remove a spurious warning.

couvreur99_check_result::complete_cycle,
couvreur99_check_result::accepting_path): Record conditions and
acceptance conditions in the accepting run.  Simplify the
todo BFS stack for accepting_run and complete_cycle.
* src/tgbatest/ltl2tgba.cc (main): Do use replay_tgba_run
now everything works.
* src/tgbaalgos/replayrun.cc (replay_tgba_run): Be more verbose
when an outgoing transition is not found.

Record the acceptance conditions in the accepting run.
* src/tgbaalgos/replayrun.cc (replay_tgba_run): Fix logic.

Cannot test them because the run returned by the emptiness checks
are currently incomplete (they lack the acceptance conditions, and
sometimes even the labels in the prefix).
* src/tgbaalgos/Makefile.am (tgbaalgos_HEADERS,
libtgbaalgos_la_SOURCES): Add them.
* src/tgbatest/ltl2tgba.cc (main): Prepare to use replay_tgba_run
when the emptiness checks are fixed.

algorithms to conform to it, uniformly.  This will unfortunately
break third-party code that were using these algorithms.
* src/tgbaalgos/emptiness.cc, src/tgbaalgos/emptiness.hh: New files.
* src/tgbaalgos/Makefile.am: New files.
* src/tgbaalgos/magic.cc, src/tgbaalgos/magic.hh: Adjust to
conform to the new emptiness-check interface.
* src/tgbaalgos/gtec/ce.cc, src/tgbaalgos/gtec/ce.hh,
src/tgbaalgos/gtec/gtec.cc, src/tgbaalgos/gtec/gtec.hh,
src/tgbaalgos/gtec/status.cc, src/tgbaalgos/gtec/status.hh:
Likewise.  The classes have been renamed are as following
  emptiness_check -> couvreur99_check
  emptiness_check_shy -> couvreur99_check_shy
  counter_example -> couvreur99_check_result
* src/tgbatest/ltl2tgba.cc, iface/gspn/ltlgspn.cc, iface/gspn/ssp.hh,
iface/gspn/ssp.cc: Adjust to renaming and new interface.

New files.
* src/evtgbaalgos/Makefile.am (evtgbaalgos_HEADERS,
libevtgbaalgos_la_SOURCES): Add them.
* src/evtgbatest/ltl2evtgba.cc, src/evtgbatest/ltl2evtgba.test:
New files.
* src/evtgbatest/Makefile.am (check_PROGRAMS, TESTS): Add them.
(ltl2evtgba_SOURCES): New variable.

that the true state has only one link when unobs is used.

* src/evtgba/Makefile.am, src/evtgba/evtgba.cc,
src/evtgba/evtgba.hh, src/evtgba/evtgbaiter.hh,
src/evtgba/explicit.cc, src/evtgba/explicit.hh,
src/evtgba/product.cc, src/evtgba/product.hh,
src/evtgba/symbol.cc, src/evtgba/symbol.hh,
src/evtgbaalgos/Makefile.am, src/evtgbaalgos/dotty.cc,
src/evtgbaalgos/dotty.hh, src/evtgbaalgos/reachiter.cc,
src/evtgbaalgos/reachiter.hh, src/evtgbaalgos/save.cc,
src/evtgbaalgos/save.hh, src/evtgbaparse/Makefile.am,
src/evtgbaparse/evtgbaparse.yy, src/evtgbaparse/evtgbascan.ll,
src/evtgbaparse/fmterror.cc, src/evtgbaparse/parsedecl.hh,
src/evtgbaparse/public.hh, src/evtgbatest/Makefile.am,
src/evtgbatest/defs.in, src/evtgbatest/explicit.cc,
src/evtgbatest/explicit.test, src/evtgbatest/product.cc,
src/evtgbatest/product.test, src/evtgbatest/readsave.cc,
src/evtgbatest/readsave.test: New files.
* configure.ac: Create the Makefiles in these new subdirectories.
* src/Makefile.am: Recurse them.

New function.

anonymous namespace.

loopless_modular_mixed_radix_gray_code::last): Declare as const.

* src/misc/Makefile.am (libmisc_la_SOURCES, misc_HEADERS): Add them.

* src/misc/Makefile.am (libmisc_la_SOURCES, misc_HEADERS): Add them.
* wrap/python/spot.i: Activate directors, and interface modgray.hh.
* wrap/python/tests/modgray.py: New file.
* wrap/python/tests/Makefile.am (TESTS): Add it.

src/ltlvisit/destroy.cc, src/ltlvisit/dotty.cc,
src/ltlvisit/dump.cc, src/ltlvisit/length.cc,
src/ltlvisit/nenoform.cc, src/ltlvisit/reduce.cc,
src/ltlvisit/syntimpl.cc, src/ltlvisit/tostring.cc,
src/tgba/formula2bdd.cc, src/tgba/tgbabddconcreteproduct.cc,
src/tgba/tgbatba.cc, src/tgbaalgos/dotty.cc,
src/tgbaalgos/dupexp.cc, src/tgbaalgos/lbtt.cc,
src/tgbaalgos/ltl2tgba_lacim.cc, src/tgbaalgos/neverclaim.cc,
src/tgbaalgos/save.cc, src/tgbaalgos/stats.cc,
src/tgbaalgos/gtec/nsheap.cc, src/tgbaalgos/gtec/nsheap.hh:
Declare private classes and helper function in anonymous namespaces.
* HACKING, src/sanity/style.test: Document and check this.
Also check for trailing { after namespace or class.
* src/ltlast/predecl.hh, src/ltlast/visitor.hh,
src/tgba/tgbareduc.hh: Fix trailing {.

2004-08-23.  Some of these will need to be reintegrated more
slowly and cleanly.

* src/tgbaalgos/Makefile.am, src/tgbaalgos/gtec/ce.cc,
src/tgbaalgos/gtec/ce.hh, src/tgbatest/Makefile.am,
src/tgbatest/emptchk.test, src/tgbatest/ltl2tgba.cc: Revert.
* src/tgbaalgos/colordfs.cc, src/tgbaalgos/colordfs.hh,
src/tgbaalgos/minimalce.cc, src/tgbaalgos/minimalce.hh,
src/tgbaalgos/nesteddfs.cc, src/tgbaalgos/nesteddfs.hh,
src/tgbaalgos/nesteddfsgen.cc, src/tgbaalgos/nesteddfsgen.hh,
src/tgbaalgos/tarjan_on_fly.cc, src/tgbaalgos/tarjan_on_fly.hh:
Delete.

change from 2004-09-13.

and is wrong into two ways: the search stack is generally not a
path, and does not run until the end of the STL container.
Remove it.
* src/tgbaalgos/tarjan_on_fly.cc, src/tgbaalgos/tarjan_on_fly.hh
(tarjan_on_fly): Do not inherit from the emptiness_search class,
because the check method will no longer return a counter example.
(tarjan_on_fly::check): Return only a boolean.
(tarjan_on_fly::build_counter): Delete.
* src/tgbatest/ltl2tgba.cc: Adjust.

tgba_explicit_succ_iterator::current_condition,
tgba_explicit_succ_iterator::current_accepting_conditions): Assert
the iteration is not finished.

* m4/debug.m4: Update CXXFLAGS too.

* src/tgbaalgos/tarjan_on_fly.cc: Fix.

matter, for consistency.
* src/tgbaalgos/tarjan_on_fly.cc, iface/gspn/ssp.cc,
src/tgbaalgos/reductgba_sim_del.cc, src/tgbaalgos/reductgba_sim.cc,
src/tgbaalgos/minimalce.cc, src/tgba/tgbareduc.cc: Adjust.

* src/tgbaalgos/ltl2tgba_fm.cc (ltl_to_tgba_fm): Handle unobs.
* src/tgbatest/ltl2tgba.cc (syntax, main): New -U option.

src/tgbaalgos/minimalce.hh, src/tgbaalgos/nesteddfs.hh,
src/tgbaalgos/tarjan_on_fly.hh, src/tgbatest/ltl2tgba.cc: Rename
emptyness_search to emptiness_search.

instead of empty().
* src/misc/bddalloc.cc (bdd_allocator::extend): Use empty() rather
than size() when checking emptiness of lists.
* src/tgbaalgos/reductgba_sim_del.cc, src/tgbaalgos/minimalce.cc,
src/ltlvisit/basicreduce.cc, src/ltlvisit/reduce.cc,
src/tgbaalgos/gtec/ce.cc, src/tgbaalgos/ltl2tgba_fm.cc,
src/misc/minato.cc: Likewise.
* src/ltlast/multop.cc (multop::instance): Call ->size() only once.

* 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.