* src/tgbatest/Makefile (check_PRORGRAMS): Remove
emptinesscheck and ltlmagic.
(emptinesscheck_SOURCES, ltlmagic_SOURCES): Remove.
(TESTS): Replace emptinesscheck.test and ltlmagic.test by
emptchk.test.
* src/tgbatest/emptinesscheck.test, src/tgbatest/ltlmagic.test:
Delete.
* src/tgbatest/emptchk.test: New file.
* src/tgbatest/emptinesscheck.cc, src/tgbatest/ltlmagic.cc:
Delete.
* src/tgbatest/ltl2tgba.cc: Add support for -e, -E, -m, -M, and -n.

(emptiness_check::tgba_emptiness_check): Do not print anything.
(emptiness_check::counter_example): Assume that tgba_emptiness_check
has already been called.

(emptiness_check::seq_counter, emptiness_check::periode): Rename as ...
(emptiness_check::prefix, emptiness_check::period): ... these.

(emptiness_check::tgba_emptiness_check,
emptiness_check::accepting_path): Simplify BDD operations.

Reindent.
(emptiness_check::~emptiness_check, emptiness_check::emptiness_check):
Remove, unused.

bdd_init()'s arguments.

counter_example. And we print the prefix and the periode of
counter_example's result.

* src/tgbatest/emptinesscheckexplicit.cc (main):
We call tgba_emptiness_check before counter_example.
* src/tgbatest/emptinesscheck.cc (main):
We call tgba_emptiness_check before counter_example.

* src/tgbaalgos/emptinesscheck.hh (spot):
(spot::print_result): New methode to print the prefix and the
periode of counter_example's result.

* src/tgbaalgos/emptinesscheck.cc (spot): counter_example doesn't
call tgba_emptiness_check. counter_example must be executed after
calling tgba_emptiness_check.  Remove tgba_emptiness_check calls.
(print_result): New methode to print the prefix and the
periode of counter_example's result.  Remove most of all std::cout
during execution of emptiness_check's methodes.

Declare as std::binary_function.
(state_ptr_hash): Declare as std::unary_function.
* src/tgbaalgos/lbtt.cc (state_acc_pair_equal,
state_acc_pair_hash): Likewise.
* src/misc/bddlt.hh (bdd_less_than): Likewise.
* src/misc/hash.hh (ptr_hash, string_hash): Likewise.

* src/tgbatest/emptinesscheckexplicit.cc (main): New file.

* src/tgbatest/emptinesscheck.test: New file.

* src/tgbatest/emptinesscheck.cc (main): New file.

* src/tgbaalgos/emptinesscheck.cc (spot): New method.

* src/tgbaalgos/emptinesscheck.hh: New interface.

* src/tgbaalgos/ltl2tgba_lacim.cc, src/tgbaalgos/ltl2tgba_lacim.hh:
... this, and rename ltl_to_tgba() as ltl_to_tgba_lacim as well.
* iface/gspn/ltlgspn.cc, src/tgbatest/explprod.cc,
src/tgbatest/ltl2tgba.cc, src/tgbatest/ltlmagic.cc,
src/tgbatest/ltlprod.cc, src/tgbatest/mixprod.cc,
src/tgbatest/tripprod.cc, wrap/python/spot.i,
wrap/python/cgi/ltl2tgba.in, wrap/python/tests/interdep.py,
wrap/python/tests/ltl2tgba.py: Adjust.

(state_ptr_equal, state_ptr_hash): New functors.
* src/tgba/statebdd.hh, src/tgba/statebdd.cc (state_bdd::hash):
New method.
* src/tgba/tgbaexplicit.hh, src/tgba/tgbaexplicit.cc
(state_explicit::hash): New method.
(ns_map, sn_map): Use Sgi::hash_map instead of std::map.
* src/tgba/tgbaproduct.hh, src/tgba/tgbaproduct.cc
(state_product::hash): New method.
* src/tgba/tgbatba.cc (state_tba_proxy::hash): New method.
* src/tgbaalgos/lbtt.cc (acp_seen, todo_set, seen_map): Redefine
using Sgi::hash_map or Sgi::hash_set.
(lbtt_reachable): Don't erase a key that is pointed to by an
iterator.
* src/tgbaalgos/reachiter.cc
(tgba_reachable_iterator::~tgba_reachable_iterator): Likewise.
* src/tgbaalgos/magic.cc (magic_search::~magic_search()): Likewise.
* src/tgbaalgos/magic.hh (hash_type): Redefine using Sgi::hash_map.
* src/tgbaalgos/reachiter.hh (seen_map): Redefine using Sgi::hash_map.
* iface/gspn/gspn.cc (state_gspn::hash): New method.
* src/misc/hash.hh (string_hash): New functor.

Compute all_accepting_conditions_ from neg_accepting_conditions_,
not by browsing the dictionary.  The dictionary also contains
accepting conditions from other automata...  This bug was a
consequence of the change from 2003-07-14.
* src/tgbaalgos/save.cc (save_bfs::start()): Likewise, do not
browse the dictionary to print accepting conditions.  Call
->all_accepting_conditions() instead.
* src/tgba/tgbaproduct.cc (tgba_product::tgba_product): Typo
from 2003-08-22 in the computation of all_accepting_conditions_.
* src/tgbatest/explpro3.test: New file.
* src/tgbatest/Makefile.am (TESTS): Add explpro3.test.
* src/tgbatest/explprod.test, src/tgbatest/explpro2.test,
 src/tgbatest/tripprod.test: Sort the output using Perl.

Sgi::hash_map<const formula*, ...>.

* src/misc/hash.hh: New file.
* src/misc/Makefile.am (misc_HEADERS): Add it.
* src/ltlvisit/dotty.cc (dotty_visitor::map): Use a hash_map instead
of a map.
* src/tgba/bdddict.hh (bdd_dict::fv_map, bdd_dict::vf_map,
bdd_dict::ref_set, bdd_dict::var_map): Define as hash_map or
hash_set.
* src/tgbaalgos/ltl2tgba_fm.cc (translate_dict::fv_map,
translate_dict::vf_map): Likewise.
* src/tgba/tgbabddconcretefactory.hh
(tgba_bdd_concrete_factory::acc_map_): Likewise.
* src/tgba/tgbatba.hh, src/tgbaalgos/reachiter.hh: Include <map>.

non-null.  Suggested by Denis Poitreneaud.

two operands share some acceptance conditions.
* src/tgba/tgbaproduct.hh (tgba_product::left_acc_complement_,
tgba_product::right_acc_complement_): New attribute.
* src/tgba/tgbaproduct.cc (tgba_product::tgba_product): Set them.
(tgba_product::succ_iter): Use them.
* src/tgba/explpro2.test: New file.
* src/tgba/Makefile.am (TESTS): Add it.

(state_bdd_product, tgba_product_succ_iterator): Rename as ...
(state_product, tgba_succ_iterator_product): ... these.

deals with one node, not a entire formula.

* src/tgba/bdddict.cc (bdd_dict::is_registered): Split as ...
(bdd_dict::is_registered_proposition, bdd_dict::is_registered_state,
bdd_dict::is_registered_accepting_variable): ... these.
* src/tgba/bdddict.hh: Likewise.
* src/tgba/tgbaexplicit.cc (tgba_explicit::set_init_state): New method.
(tgba_explicit::declare_accepting_condition): Arrange so that this
function can be called during the construction of the automaton.
(tgba_explicit::complement_all_accepting_conditions): New method.
(tgba_explicit::has_accepting_condition): Adjust to call
bdd_dict::is_registered_accepting_variable.
* src/tgba/tgbaexplicit.hh (tgba_explicit::set_init_state,
tgba_explicit::complement_all_accepting_conditions): New methods.
* src/tgbaalgos/ltl2tgba_fm.cc, src/tgbaalgos/ltl2tgba_fm.hh:
New files.
* src/tgbaalgos/Makefile.am (tgbaalgos_HEADERS,
libtgbaalgos_la_SOURCES): Add them.
* src/tgbaalgos/ltl2tgba.hh: Add bibtex entry in comment.
* src/tgbatest/Makefile.am (check_PROGRAMS): Remove spotlbtt
and tbalbtt.
(tbalbtt_SOURCES, tbalbtt_CXXFLAGS, spotlbtt_SOURCES): Remove.
* src/tgbatest/spotlbtt.cc: Delete, superseded by "ltl2tgba -F -t".
* src/tgbatest/ltl2tgba.cc: Implement the -f and -F options.
* src/tgbatest/spotlbtt.test: Use "ltl2tgba -F -t" instead of
"spotlbtt", "ltl2tgba -F -t -D" instead of "tbalbtt", and add
also check the ltl2tgba_fm translator.
* wrap/python/spot.i: Wrap ltl2tgba_fm.
* wrap/python/cgi/ltl2tgba.in: Add radio buttons to select
between ltl2tgba and ltl2tgba_fm.
* wrap/python/tests/ltl2tgba.py: Add support for the -f option.
* wrap/python/tests/ltl2tgba.test: Try the -f option.

of a local varnum (lvarnum) in each allocator.
* src/misc/bddalloc.cc (bdd_allocator::bdd_allocator): Initialize
lvarnum.
(bdd_allocator::extvarnum): New method.
(bdd_allocator::allocate_variables): Use lvarnum and extvarnum.
* src/misc/bddalloc.hh (bdd_allocator::extvarnum): New mathod.
(bdd_allocator::lvarnum): New variable.

Remove the translate() method.  Useless since 2003-07-14.

not constructing a single-child multop.
* src/ltlast/multop.hh (multop::instance(type)): Remove.
(multop::instance(type, formula*, formula*)): Return a formula*.
(multop::instance(type, vec*)): Make it public and return a formula*.
(multop::add_sorted, multop::add):
* src/ltlast/multop.cc (multop::instance(type, vec*)): Rewrite.
(multop::instance(type)): Delete.
(multop::instance(type, formula*, formula*)): Adjust.
(multop::add_sorted, multop::add): Remove.
* src/ltlvisit/clone.cc (clone_visitor::visit(multop*)) Adjust.
* src/ltlvisit/nenoform.cc
(negative_normal_form_visitor::::visit(multop*)) Adjust.
* src/ltltest/equals.test: Make sure `a & a' and `a' are equals.
* wrap/python/tests/ltlsimple.py: Adjust.

src/tgba/tgbatba.cc, src/tgbaalgos/lbtt.cc: Use `-' instead of `& !'
between two BDDs.  That's one less call to BuDDy.

Adjust expected output after 2003-08-07's change.

* src/ltltest/parseerr.test: Add some examples.

the size of dot's output to 1024x1024.
* src/tgbaalgos/dotty.cc (dotty_bfs::start): Do not preset
the size of the graph.  Set height=0 for the invisible state.

* src/ltlast/binop.cc (binop::instance): Order operands for
associative operators, so that e.g. "a xor b" and "b xor a" are
mapped to the same formula.
* src/ltltest/equals.test: Check this.

(visit): Draw rectangular node for atomic propositions and
constant.  This is an attempt to mimic BuDDy's output.

* src/ltlvisit/dump.hh (dump): Likewise.
* src/ltltest/equals.cc, src/ltltest/readltl.cc,
src/ltlvisit/dotty.cc, src/ltlvisit/dump.cc: Adjust.

* src/misc/Makefile.am (libmisc_la_SOURCES, misc_HEADERS): Add them.
* wrap/python/spot.i: Include misc/version.hh.
* wrap/python/cgi/ltl2tgba.in: Print spot.version().

two unabbreviate_logic definitions (const and non-const) into a
function that takes a const formula* and return a non-const
formula*.  Since formula* is convertible to const formula*, and
the const version of the function just called the non-onst one, it
makes no sense to keep both.  Also, it confused Swig.
* src/ltlvisit/nenoform.cc, src/ltlvisit/nenoform.hh: Likewise
for negative_normal_form.
* src/ltlvisit/tunabbrev.cc, src/ltlvisit/tunabbrev.hh: Likewise
for unabbreviate_ltl.
* src/ltlvisit/clone.cc, src/ltlvisit/clone.hh: Likewise for clone.
* src/ltlvisit/destroy.cc, src/ltlvisit/destroy.hh: Likewise
for destroy.

* src/misc/Makefile.am (misc_HEADERS): Remove const_sel.hh.

* iface/Makefile.am (SUBDIRS): Recurse in gspn only if condition
WITH_GSPN.

(ltlgspn_rg_LDADD, ltlgspn_srg_LDADD, ltlgspn_rg_SOURCES)
(ltlgspn_srg_SOURCES): New variables.
(check_PROGRAMS): Add ltlgspn-rg and ltlgspn-srg.

* iface/gspn/Makefile.am (gspn_HEADERS, gspndir): Install
gspn.hh.

(tgba::project_state): New method.
* src/tgba/tgbaproduct.hh, src/tgba/tgbaproduct.cc
(tgba_product::project_state): New method.
* src/tgba/tgbabta.hh, src/tgba/tgbabta.cc
(tgba_bta_proxy::project_state): New method.
* src/tgbaalgos/magic.cc (magic_search::print_result): Take
a restrict argument.