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2004-07-16  Alexandre Duret-Lutz  <adl@src.lip6.fr>

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	* iface/gspn/ssp.cc: Typos.

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	* iface/gspn/gspn.cc (tgba_succ_iterator_gspn::tgba_succ_iterator_gspn):
	Set size_ to 1 when stuttering is needed, so that done() does not
	return true immediately.

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2004-07-12  Alexandre Duret-Lutz  <adl@src.lip6.fr>

	* src/tgbaalgos/gtec/gtec.hh: Typos in comments.

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2004-07-09  Alexandre Duret-Lutz  <adl@src.lip6.fr>

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	* src/tgba/state.hh (state_ptr_equal, state_ptr_hash): Fix Doxygen
	example.

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	* src/tgbaalgos/reductgba_sim.hh (parity_game_graph_delayed,
	reduc_tgba_sim): Fix warnings about Doxygen comment.
	* src/ltlvisit/reduce.hh (reduce): Likewise.

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	* doc/footer.html: New file, link to RefDocComments on the wiki.
	* doc/Doxyfile.in (HTML_FOOTER): Use footer.html.
	* doc/Makefile.am (EXTRA_DIST): Add footer.html.

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	* THANKS: Fill in.

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	* src/tgbatest/ltl2baw.pl: Do not use -T anymore.  Fix comments.

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2004-07-08  Alexandre Duret-Lutz  <adl@src.lip6.fr>

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	lbtt 1.1.0 supports TGBAs, use that and remove old workarounds.
	* src/tgbaalgos/lbtt.cc (state_acc_pair, state_acc_pair_equal,
	state_acc_pair_hash, acp_seen_map, todo_set, seen_map, fill_todo
	lbtt_reachable): Remove.
	(nonacceptant_lbtt_bfs): Rename as ...
	(lbtt_bfs): ... this, and adjust to output acceptance conditions
	on transitions.
	(nonacceptant_lbtt_reachable): Rename as ...
	(lbtt_reachable): ... this.
	* src/tgbaalgos/lbtt.hh (nonacceptant_lbtt_reachable): Delete.
	* src/tgbatest/ltl2tgba.cc: Suppress option "-T".

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	Patch from Heikki Tauriainen <heikki.tauriainen@hut.fi>.
	* src/tgbaalgos/gtec/ce.cc (counter_example::counter_example): Do
	not parenthesize the type after the new operator (g++ 3.4 complains).
	* src/tgbaalgos/dupexp.cc (dupexp_iter::process_state,
	dupexp_iter::declare_state): Use this->automata_instead of
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typos    
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	automata_.  Local protected member automata_ inherited from
	template base class must be prefixed or g++ 3.4 will not look it
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	up (conforming to 14.6.2.3).

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2004-07-07  Alexandre Duret-Lutz  <adl@src.lip6.fr>

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	* lbtt/: Merge lbtt 1.1.0.
	* src/tgbatest/spotlbtt.test: Adjust config file syntax to
	please lbtt 1.1.0.

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	* src/tgbaalgos/gtec/gtec.hh (emptiness_check_shy::find_state): Add
	comments.
	* iface/gspn/ssp.cc (emptiness_check_shy_ssp::find_state): Likewise.
	Soheib and I had a hard time figuring why we did this...

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2004-07-02  Thomas Martinez  <martinez@src.lip6.fr>

	* src/tgba/tgbareduc.cc, src/tgba/tgbareduc.hh,
	src/tgbaalgos/reductgba_sim.cc,	src/tgbaalgos/reductgba_sim.hh,
	src/tgbaalgos/reductgba_sim_del.cc: Remove some comments.

	* src/tgbatest/ltl2tgba.cc, src/tgbatest/reductgba.cc: Adjust ...
	* src/tgbatest/spotlbtt.test: More test (delayed simulation)

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2004-06-29  Alexandre Duret-Lutz  <adl@src.lip6.fr>

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	* configure.ac, NEWS: Bump version to 0.0w.

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	* configure.ac, NEWS: Bump version to 0.0v.

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2004-06-28  Thomas Martinez  <martinez@src.lip6.fr>

	* src/tgbatest/reduccmp.test: Bug.

	* src/tgbatest/reductgba.test: More Test.

	* src/tgbatest/ltl2tgba.cc: Adjust ...
	* src/tgbaalgos/reductgba_sim_del.cc, src/tgbaalgos/reductgba_sim.hh,
	src/tgbaalgos/reductgba_sim.cc: try to optimize.

	* src/tgba/tgbareduc.hh, src/tgba/tgbareduc.cc: Scc reduction
	and we remove some acceptance condition in scc which are not accepting.
	* src/ltlvisit/syntimpl.cc : Some case wasn't detect.
	* src/ltlvisit/basicreduce.cc: Case FGa || FGb = F(Ga | Gb) added.
	* src/ltltest/syntimpl.test: More Test.
	* src/ltltest/syntimpl.cc: Put the formula in negative normal form.

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2004-06-28  Alexandre Duret-Lutz  <adl@src.lip6.fr>

	* buddy/: Merge buddy-2-3.

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2004-06-25  Alexandre Duret-Lutz  <adl@src.lip6.fr>

	* src/tgbatest/ltl2tgba.cc (main): Degeneralize before
	the simulations.

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2004-06-23  Alexandre Duret-Lutz  <adl@src.lip6.fr>

	* src/ltlvisit/tostring.cc (is_bare_word): New function.
	(to_string_visitor::visitor(const atomic_prop*)): Use is_bare_word
	to better check which atomic proposition need to be quoted.
	* src/ltlparse/ltlscan.ll: Do not allow identifiers starting with F_
	or G_.
	* src/ltltest/equals.test, src/ltltest/tostring.test: More tests.
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	* src/tgba/tgbatba.cc (tgba_tba_proxy::format_state): Use
	bdd_format_accset to print the acceptance condition part of the state.
	That produces more readable output.

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	* wrap/python/cgi/ltl2tgba.in: Add "Formula Simplications" options.
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	* wrap/python/spot.i: Wrap src/ltlvisit/reduce.hh.
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	* src/ltlvisit/simpfg.cc, src/ltlvisit/simpfg.hh: New files,
	extracted from ...
	* src/ltlvisit/lunabbrev.cc: ... this one, which now work as documented
	again.
	* src/ltlvisit/reduce.cc, src/ltlvisit/syntimpl.cc: Adjust to call
	simplify_f_g() in addition to unabbreviate_logic().
	* src/ltlvisit/Makefile.am (ltlvisit_HEADERS, libltlvisit_la_SOURCES):
	Add simpfg.cc and simpfg.hh.

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	* src/ltlvisit/reducform.hh, src/ltlvisit/reducform.cc: Rename to ...
	* src/ltlvisit/reduce.hh, src/ltlvisit/reduce.cc: ... this, to match
	the function name.
	* ltltest/equals.cc, ltltest/reduc.cc, ltlvisit/Makefile.am,
	tgbatest/ltl2tgba.cc, tgbatest/reductgba.cc: Adjust filenames.

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	* src/ltlvisit/basicreduce.cc (basic_reduce_visitor::visit(binop*)):
	Factorize.

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	* src/ltlvisit/basicreduce.hh: New file, extracted from ...
	* src/ltlvisit/reducform.hh: ... here.
	* src/ltlvisit/basereduc.cc: Rename as ...
	* src/ltlvisit/basicreduce.cc: ... this, to match the function name.
	* src/ltlvisit/Makefile.am (ltlvisit_HEADERS, libltlvisit_la_SOURCES):
	Adjust filenames.
	* src/ltlvisit/reducform.cc: Adjust includes.

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	* src/ltlvisit/lunabbrev.hh: Revert superfluous change from
	2004-05-10.

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2004-06-22  Thomas Martinez  <martinez@src.lip6.fr>

	* src/ltlvisit/reducform.cc, src/tgba/tgbareduc.cc,
	src/tgbaalgos/reductgba_sim.cc, src/tgbaalgos/reductgba_sim.hh
	src/tgbaalgos/reductgba_sim_del.cc, src/tgbatest/reduccmp.test,
	src/tgbatest/reductgba.cc: 80 columns and style.

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2004-06-22  Alexandre Duret-Lutz  <adl@src.lip6.fr>

	* src/sanity/style.test: Typo.

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2004-06-22  Thomas Martinez  <martinez@src.lip6.fr>

	* src/tgbatest/ltl2tgba.cc, src/tgbaalgos/reductgba_sim_del.cc,
	src/tgbaalgos/reductgba_sim.hh, src/tgbaalgos/reductgba_sim.cc:
	bug in delayed simulation.

	* src/tgbatest/reduccmp.test, src/tgbatest/reductgba.test,
	src/tgba/tgbareduc.cc: bug in scc reduction.

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2004-06-21  Thomas Martinez  <martinez@src.lip6.fr>

	* src/tgbatest/reductgba.test, src/tgba/tgbareduc.cc:
	There is bug in reduction with scc.
	* src/tgbatest/reduccmp.test: More test.

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2004-06-17  Thomas Martinez  <martinez@src.lip6.fr>

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	* src/tgbatest/reductgba.test: Wrong test are removed.
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2004-06-17  Thomas Martinez  <martinez@src.lip6.fr>

	* src/tgbatest/spotlbtt.test: We don't check the post-reduction
	with scc and delayed simulation.

	* src/tgbatest/ltl2tgba.cc: Adjust parameters.
	* src/tgbatest/reductgba.cc, src/tgbatest/Makefile.am: More Test.
	* src/tgbaalgos/reductgba_sim_del.cc: Not finish, lot of bugs.
	* src/tgbaalgos/reductgba_sim.hh, src/tgbaalgos/reductgba_sim.cc:
	Remove some useless comments.
	* src/tgba/tgbareduc.cc, src/tgba/tgbareduc.hh: Bug in SCC.

	* src/ltlvisit/reducform.cc: Correct some bug for multop.
	* src/ltltest/reduc.cc: Thinko
	* src/ltltest/equals.cc: Reduction compare

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2004-06-17  Alexandre Duret-Lutz  <adl@src.lip6.fr>

	* iface/gspn/ssp.cc (emptiness_check_shy_ssp::find_state): Free s.
	This fixes a memory leak observed by Soheib Baarir.

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2004-06-16  Thomas Martinez  <martinez@src.lip6.fr>

	* src/tgbatest/reductgba.cc, src/tgbatest/reductgba.test: Test for
	reduction of tgba.

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2004-06-15  Thomas Martinez  <martinez@src.lip6.fr>

	* src/tgbatest/ltl2tgba.cc: Add some option for the reduction of
	automata.
	* src/tgbatest/spotlbtt.test, src/tgbatest/Makefile.am: Add some
	test for reduction of automata.
	* src/tgbaalgos/reductgba_sim_del.cc, src/tgbaalgos/reductgba_sim.cc,
	src/tgbaalgos/reductgba_sim.hh: Compute some simulation relation
	to reduce a tgba.
	* src/tgba/tgbareduc.cc, src/tgba/tgbareduc.hh: A implementation
	of tgba for the reduction.
	* src/tgbaalgos/Makefile.am, src/tgba/Makefile.am:
	Add the reduction of automata.
	* src/ltlvisit/syntimpl.cc, src/ltlvisit/basereduc.cc:
	Lot of mistake are corrected.
	* src/ltlvisit/syntimpl.hh, src/ltlvisit/reducform.cc,
	src/ltlvisit/reducform.hh, src/ltltest/reduc.cc: Adjust.
	* src/ltltest/equals.cc, src/ltltest/reduccmp.test,
	src/ltltest/Makefile.am: Add a test for reduction.

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	* iface/gspn/common.cc, iface/gspn/common.hh: Remove the
	class gspn_environment, and move it to ...
	* src/ltlenv/declenv.cc, src/ltlenv/declenv.hh: .. this new file
	as class declarative_environment.
	* src/ltlenv/Makefile.am (ltlenv_HEADERS): Add declenv.hh.
	(libltlenv_la_SOURCES): Add declenv.cc.
	* iface/gspn/dottygspn.cc, iface/gspn/dottyssp.cc,
	iface/gspn/gspn.cc, iface/gspn/gspn.hh, iface/gspn/ltlgspn.cc,
	iface/gspn/ssp.cc, iface/gspn/ssp.hh: Adjust references
	to declarative_environment.

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	* HACKING, src/sanity/style.test: NULL is not portable, prohibit it.
	* iface/gspn/ssp.cc, src/ltltest/reduc.cc, src/ltltest/syntimpl.cc,
	src/ltlvisit/basereduc.cc, src/ltlvisit/reducform.cc,
	src/ltlvisit/syntimpl.cc: Use 0 instead of NULL.

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	* src/ltltest/inf.cc, src/ltltest/inf.test: Rename as ...
	* src/ltltest/syntimpl.cc, src/ltltest/syntimpl.test: ... these.
	* src/ltltest/Makefile.am: Adjust.
	* src/ltlvisit/forminf.cc: Rename as...
	* src/ltlvisit/syntimpl.cc: ... this.
	* src/ltlvisit/syntimpl.hh: New file with definitions extracted
	from ...
	* src/ltlvisit/reducform.hh: ... this one.
	* src/ltlvisit/Makefile.am, src/ltlvisit/reducform.cc: Adjust.

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	* src/ltlvisit/forminf.cc (form_eventual_universal_visitor,
	inf_form_right_recurse_visitor, inf_form_left_recurse_visitor): Rename
	as ...
	(eventual_universal_visitor, inf_right_recurse_visitor,
	inf_left_recurse_visitor): ... these.
	(is_GF, is_FG): Move ...
	* src/ltlvisit/basereduc.cc (is_GF, is_FG): ... here, since they
	are only used here.
	(basic_reduce_form, basic_reduce_form_visitor): Rename as ...
	(basic_reduce, basic_reduce_visitor): ... these.
	* src/ltlvisit/reducform.cc (reduce_form_visitor): Rename as ...
	(reduce_visitor): ... this.
	* src/ltltest/inf.cc: Adjust calls.
	* src/sanity/style.test: Improve missing-space after coma detection.

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	* src/ltlvisit/reducform.cc (reduce_form_visitor::visit(constant)):
	Simplify.

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	* src/ltlvisit/basereduc.cc, src/ltlvisit/reducform.cc: Use
	dynamic_cast instead of node_type_form_visitor, this is usually
	smaller.
	* src/ltlvisit/reducform.hh,
	src/ltlvisit/forminf.cc (node_type_form_visitor): Delete.
	* src/sanity/style.test: Two more checks.

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	* src/ltlvisit/formlength.cc: Rename as ...
	* src/ltlvisit/length.cc: ... this.
	* src/ltlvisit/length.hh: New file, extracted from ...
	* src/ltlvisit/reducform.hh: ... here.
	* src/ltlvisit/Makefile.am (ltlvisit_HEADERS): Add length.hh.
	(libltlvisit_la_SOURCES): Rename formlength.cc as length.cc.
	* src/ltltest/reduc.cc: Include length.hh.

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	* src/ltlvisit/formlength.cc (length_form_vistor): Rename as ..
	(length_visitor): ... this.
	(form_length): Rename as ...
	(length): ... this.
	* src/ltlvisit/reducform.hh (form_length): Rename as ...
	(length): ... this.
	* src/ltltest/reduc.cc: Adjust.

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	* src/ltlvisit/basereduc.cc, src/ltlvisit/formlength.cc: Remove
	useless includes.

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	* AUTHORS: Update.

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	* src/ltlvisit/reducform.hh: Update Doxygen comments for
	previous change.

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	* src/ltlvisit/reducform.hh (option): Rename as ...
	(reduce_options): ... this, and use it as a bit field so
	option can be combined easily.
	(reduce): Adjust argument.
	(reduce_form): Remove, not needed anymore.
	* src/ltlvisit/reducform.cc, src/ltltest/reduc.cc,
	src/tgbatest/ltl2tgba.cc: Adjust.

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	* src/sanity/style.test: Catch {.*{ and }.*}.
	* src/sanity/80columns.test: Untabify files.
	* iface/gspn/ltlgspn.cc, src/ltlvisit/basereduc.cc: Fix long lines.

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	* src/ltlvisit/basereduc.cc, src/ltlvisit/reducform.cc,
	src/ltlvisit/forminf.cc: Remove superfluous spot::ltl:: prefixes.

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	* wrap/python/cgi/ltl2tgba.in: Typos.

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	* src/sanity/style.test: Catch `;'-not-followed-by-space.
	* src/ltlvisit/reducform.cc, src/ltlvisit/forminf.cc: Fix style.

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	* src/ltlvisit/reducform.hh: Fix some Doxygen comments.

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	* src/tgbatest/ltl2tgba.cc (syntax): Keep options sorted.

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	* src/sanity/Makefile.am (EXTRA_DIST): Distribute 80columns.test
	and style.test.

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	* src/ltltest/Makefile.am (EXTRA_DIST): Distribute formulae.txt.
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	* src/ltltest/formulae.txt: New file (2200 LTL formulea generated
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	by Wring).
	* src/ltltest/formules.ltl: Delete.
	* src/reduc.test: Read formulae.txt.

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	* iface/gspn/ssp.hh (gspn_ssp_interface::gspn_ssp_interface): Add
	the `inclusion' flag.
	* iface/gspn/ssp.cc (gspn_ssp_interface::gspn_ssp_interface): Call
	inclusion_version when inclusion is set.
	* iface/gspn/ltlgspn.cc (main) [SSP]: Turn on inclusion for -e3,
	-e4, and -e5.

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	* iface/gspn/gspn.cc (tgba_gspn_private_): Define alive_prop,
	and dead_prop from the dead argument passed to the constructor.
	(tgba_succ_iterator_gspn): Stutter on dead transitions.
	(tgba_gspn::tgba_gspn): Hand dead to tgba_gspn_private_.
	(gspn_interface::gspn_interface): Hand dead to tgba_gspn.
	* iface/gspn/gspn.hh (gspn_interface::gspn_interface): Take a
	dead argument.
	* iface/gspn/ltlgspn.cc [!SSP]: Add a option -d to specify the
	dead property.
	* iface/gspn/udcseltl.test: Try option -d.

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	* src/sanity/style.test: Check the iface/ tree too.
	* iface/gspn/gspn.cc, iface/gspn/ssp.cc: Fix style.

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	* src/sanity/80columns.test: Check the iface/ tree too.
	* iface/gspn/dcswaveltl.test, iface/gspn/dcswavefm.test,
	iface/gspn/dcswaveeltl.test, iface/gspn/udcsltl.test,
	iface/gspn/udcseltl.test, iface/gspn/udcsfm.test,
	iface/gspn/udcsefm.test: Wrap to fit 80 columns.

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2004-05-18  Alexandre Duret-Lutz  <adl@src.lip6.fr>

	* doc/Makefile.am (EXTRA_DIST, spot.html): Built the html
	documentation in $(srcdir) since it is distributed.
	* doc/Doxyfile.in (HTML_OUTPUT): Likewise.  Upgrade to Doxygen 1.3.7.

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	* src/ltlvisit/basereduc.cc, src/ltltest/inf.cc (main): Style.

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	* src/ltlvisit/basereduc.cc (spot): 80 columns.
	* src/ltlvisit/reducform.cc (spot), src/ltltest/inf.cc,
	src/ltltest/reduc.cc (main), src/ltlvisit/reducform.hh,
	src/tgbatest/ltl2tgba.cc (main): More option.
	* src/ltltest/inf.test: More test.

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	* wrap/python/buddy.i: Define typemap for input_buf and use it
	for fdd_extdomain.  Define const_int_ptr and use it for fdd_vars.

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	* src/misc/bddalloc.cc (bdd_allocator::varnum): Suppress.
	(bdd_allocator::bdd_allocator): Adjust.
	(bdd_allocator::extvarnum): Always call bdd_varnum(), so that
	it doesn't matter if the number of variable has been augmented
	externally.
	* src/misc/bddalloc.hh (bdd_allocator::varnum): Suppress.

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	* src/ltlvisit/formlength.cc: Fix style to please sanity checks.

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	* src/ltlvisit/lunabbrev.cc: Fix style to please sanity checks.

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	* src/tgbaalgos/neverclaim.cc: Fix them.
	* sanity/style.test: Diagnose semicolons with leading spaces.

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	* src/ltlvisit/forminf.cc: Fix style to please sanity checks.
	Also avoid node_type_form_visitor where a dynamic_cast is done.

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	* wrap/python/buddy.i: Preliminary bindings for FDD and BVEC.

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	* ltltest/inf.cc, ltltest/reduc.cc, ltlvisit/reducform.cc: Fix style.
	* sanity/style.test: More tests.

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	* src/tgbatest/ltl2tgba.cc (main): Fix style.
	* HACKING: Mention `else if'.

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	* src/tgbaalgos/neverclaim.cc (never_claim_bfs): Do not output
	space before colon, and do not output the top-level formula using
	Spin's syntax.

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	* src/tgbatest/ltl2tgba.cc (main): Thinko.

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	* src/ltlvisit/basereduc.cc (spot): Correct some mistakes.
	* src/ltlvisit/lunabbrev.cc (spot): Nothing change.
	* src/tgbatest/ltl2tgba.cc (main): More option to reduce
	formula.
	* src/tgbatest/spotlbtt.test: One more test.

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	* src/ltlvisit/tostring.cc (to_spin_string_visitor,
	to_string_visitor): Do not parenthesize the top-level formula.
	* tgbatest/explicit.test, tgbatest/explpro2.test,
	tgbatest/explpro3.test, tgbatest/explprod.test,
	tgbatest/readsave.test, tgbatest/tgbaread.test,
	tgbatest/tripprod.test: Adjust expected output.
	* sanity/style.test: Fix regexes to catch an error seen in
	tostring.cc.

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	* src/tgbaalgos/gtec/gtec.cc (emptiness_check::remove_component):
	Do not try to erase state that are not found in H.
	Report from Soheib Baarir.

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	* src/ltltest/reduc.test: Use ./defs and clean result.data.
	* src/ltltest/Makefile.am (CLEANFILES): Clean result.data.

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	* src/ltlvisit/Makefile.am: Copyright 2004.
	* src/ltltest/inf.test: More test.
	* src/ltlvisit/basereduc.cc, src/ltlvisit/forminf.cc (spot):
	Use dynamic_cast.
	* src/ltlvisit/reducform.cc, src/ltlvisit/reducform.hh,
	src/ltltest/reduc.test, src/ltltest/reduc.cc: Add an option
	to choose which rules applies to simplify the formula.

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	* src/ltltest/reduc.test: Typo.

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	* src/ltlparse/ltlparse.yy (OP_POST_NEG, OP_POST_POS): New tokens.
	(subformula): Recognize `ATOMIC_PROP OP_POST_POS' and
	`ATOMIC_PROP OP_POST_NEG'.
	* src/ltlparse/ltlscan.ll: Introduce the not_prop start condition,
	to restrict the set of atomic propositions allowed in places
	where they are not expected.  Make `true' and `false' case insensitive.
	* src/ltltest/parse.test, src/ltltest/tostring.test: More cases.
	* src/ltlvisit/tostring.cc (to_string_visitor): Quote atomic
	propositions equal to "true" or "false".

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	* src/ltltest/Makefile.am (TESTS): Run inf.test and reduc.test last.

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	* src/ltltest/reduc.test: POSIXify.

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	* src/sanity/style.test: New file.
	* src/sanity/Makefile.am (check-local): Run it.
	* src/ltlvisit/nenoform.cc, src/ltlvisit/tostring.cc,
	src/tgba/bdddict.cc, src/tgba/bddprint.cc, src/tgba/tgba.cc,
	src/tgba/tgbaproduct.cc, src/tgbaalgos/lbtt.cc,
	src/tgbaalgos/magic.cc, src/tgbaalgos/powerset.cc,
	src/tgbaalgos/reachiter.cc, src/tgbaalgos/gtec/ce.cc,
	src/tgbaalgos/gtec/gtec.cc, src/tgbatest/ltl2tgba.cc: Fix style
	issues reported by style.test.

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	* src/ltltest/inf.cc, src/ltltest/inf.test, src/ltltest/reduc.test,
	src/ltlvisit/formlength.cc, src/ltlvisit/reducform.cc,
	src/ltlvisit/reducform.hh: Fix copyright year, these files were
	created in 2004.

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	* src/sanity/80columns.test: New file.
	* src/sanity/Makefile.am (check-local): Run it.
	* src/ltltest/equals.test, src/ltltest/lunabbrev.test,
	src/ltltest/nenoform.test, src/ltltest/parseerr.test
        src/ltltest/tunabbrev.test, src/ltltest/reduc.cc,
	src/ltltest/tunabbrev.test, src/ltlvisit/forminf.cc,
	src/tgbatest/explpro2.test, src/tgbatest/explpro3.test,
	src/tgbatest/explprod.test, src/tgbatest/spotlbtt.test,
	src/tgbatest/tripprod.test: Wrap long lines.

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	* src/tgbatest/ltl2tgba.cc (main): Add a option for reduce the formula.

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	* src/ltltest/formules.ltl: A pattern of 2000 formulas.
	* src/ltltest/inf.test: Test some case of implies.
	* src/ltltest/inf.cc: Test some case of implies.
	* src/ltltest/reduc.test: Test reduction of a file of formula.
	* src/ltltest/reduc.cc: Test reduction of a formula.

	* src/ltlvisit/formlength.cc: Gives the lenght of a formula.
	* src/ltlvisit/forminf.cc: To know if a formula implies an other.
	* src/ltlvisit/basereduc.cc: Implement only basic reduction.
	* src/ltlvisit/reducform.cc: Implement reduction.
	* src/ltlvisit/reducform.hh: To reduce a formula.

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	* src/tgbaalgos/ltl2tgba_fm.cc (ltl_to_tgba_fm): Refine
	fair_loop_approximation when branching postponement is not used.

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	Cache formula translations, and canonize formulae before doing
	branching postponement.
	* src/tgbaalgos/ltl2tgba_fm.cc (formula_canonizer): New class, with
	bits extracted from fill_dests and ltl_to_tgba_fm.
	(fill_dests, ltl_to_tgba_fm): Adjust to use formula_canonizer.

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	* src/tgbaalgos/ltl2tgba_fm.hh (ltl_to_tgba_fm): Add argument
	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.

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	* src/tgbaalgos/ltl2tgba_fm.hh (ltl_to_tgba_fm): Add argument
	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.

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	* src/tgbaalgos/ltl2tgba_fm.cc: Add a superfluous return to pacify
	some GCC version.  Report from Denis Poitrenaud.

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	* wrap/python/cgi/ltl2tgba.in: Fix output HTML.

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	* src/tgbaalgos/ltl2tgba_fm.cc (ltl_to_tgba_fm): Clone and then
	free all formulae entered into canonical_succ, to avoid errors
	when a formula is entered into canonical_succ but not into
	formulae_seen.
	* src/tgbatest/ltl2tgba.test: Add a new test, and check with -f.
	Report from Thomas Martinez.

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	* configure.ac, NEWS: Bump version to 0.0u.

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	* configure.ac, NEWS: Bump version to 0.0t.
	* HACKING: Update tools requirements.
	* src/sanity/Makefile.am (EXTRA_DIST): Distribute includes.test.

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	* src/sanity/Makefile.am, src/sanity/includes.test: New files.
	* src/Makefile.am (SUBDIRS): Add sanity.
	* configure.ac: Output src/sanity/Makefile.in.

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	* src/tgbatest/Makefile.am (check_PROGRAMS): Move ltl2tgba ...
	(noinst_PROGRAMS): ... here.
	* iface/gspn/Makefile.am (check_PROGRAMS): Rename as ...
	(noinst_PROGRAMS): ... this.

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	* src/tgbatest/explicit.test: Reorder bdd variables in output.
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	Report from Denis Poitrenaud.

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	* wrap/python/cgi/ltl2tgba.in: Print degeneralized statistics
	when show_never_claim.  Change the title to LTL-to-TGBA.
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	Suggested by Denis Poitrenaud.
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	* wrap/python/cgi/ltl2tgba.in (print_footer): Make ltl2tgba.py's
	version a separate variable.

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	* wrap/python/cgi/ltl2tgba.in: Pass the formula to
	never_claim_reachable, and cgi.escape its output.
	Lighten the color a bit.
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	* src/tgbaalgos/gtec/ce.hh, src/misc/freelist.hh,
	src/tgba/bddprint.hh: Fix Doxygen comments.

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	* src/tgbaalgos/neverclaim.hh (never_claim_reachable): Document
	arguments.
	* src/tgbaalgos/neverclaim.cc (never_claim_bfs::state_is_accepting):
	New method.
	(never_claim_bfs::get_state_label, never_claim_bfs::process_state):
	Use it.

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	* wrap/python/cgi/ltl2tgba.in: Use darker color and introduce
	the new variable dot_bgcolor.

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	* wrap/python/cgi/ltl2tgba.in (add_options): Revamp options output
	using this new function.

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	* wrap/python/spot.i: Process tgbaalgos/neverclaim.hh.
	* wrap/python/cgi/ltl2tgba.in: Display the never claim on demand.

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	* src/ltlvisit/tostring.hh (to_spin_string): New function.
	Convert a formula into a string parsable by Spin.
	* src/tgbaalgos/neverclaim.hh, src/tgbaalgos/neverclaim.cc: New files.
	Print the never claim in Spin format of a degeneralized TGBA.
	* src/tgbaalgos/Makefile.am: Add them.
	* src/tgbatest/ltl2tgba.cc: Add the option -N which outputs the
	never claim in Spin format of a degeneralized TGBA.
	* src/tgbatest/ltl2neverclaim.test: New file.
	* src/tgbatest/Makefile.am: Add it.

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	* src/ltltest/defs.in, src/tgbatest/defs.in: Correctly set exitcode
	when valgrind is not used.
	Reported by Denis Poitrenaud.

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	* src/tgba/tgba.hh (tgba::succ_iter): Doco.
	* src/tgba/tgbatba.hh (tgba_tba_proxy::state_is_accepting): Document
	it.
	Reported by Denis Poitrenaud.

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	* iface/gspn/ltlgspn.cc (main) [SSP]: Use the standard
	counter-example computation for -e5 too.

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	* iface/gspn/ltlgspn.cc (main) [!SSP]: Do not accept -e3, -e4, or -e5.
	(main) [SSP]: Use the standard counter-example computation
	for -e and -e1.

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2004-04-15  Soheib Baarir  <Souheib.Baarir@lip6.fr>
	    Alexandre Duret-Lutz  <adl@src.lip6.fr>

Alexandre Duret-Lutz's avatar
Alexandre Duret-Lutz committed
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	Rename EESRG as SSP.
	* iface/gspn/eesrg.cc, iface/gspn/eesrg.hh,
	iface/gspn/dottyeesrg.cc: Rename as ...
	* iface/gspn/ssp.cc, iface/gspn/ssp.hh, iface/gspn/dottyssp.cc:
	... these.  Adjust all classes and function names.
	* iface/gspn/ltlgspn.cc, iface/gspn/Makefile.am: Adjust all classes
	filenames and function names.
	* m4/gspnlib.m4: Define WITH_GSPN_SSP and LIBGSPNSSP_LDFLAGS.

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	* src/tgbaalgos/gtec/nsheap.cc (numbered_state_heap_hash_map::find):
	Rewrite.
	(numbered_state_heap_hash_map::index): New functions.
	(numbered_state_heap_hash_map::filter): Delete.
	* src/tgbaalgos/gtec/nsheap.hh
	(numbered_state_heap_hash_map::index): New functions.
	(numbered_state_heap_hash_map::filter): Delete.
	* iface/gspn/eesrg.cc (numbered_state_heap_eesrg_semi::find,
	numbered_state_heap_eesrg_semi::index): Rewrite.
	(numbered_state_heap_eesrg_semi::filter): Remove.
	* src/tgbaalgos/gtec/gtec.cc, src/tgbaalgos/gtec/ce.cc:
	Adjust to use find() and index() instead of filter()..


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	* iface/gspn/eesrg.cc (connected_component_eesrg::has_state):
	Free filtered states.
	(emptiness_check_shy_eesrg): New class.
	(emptiness_check_eesrg_shy): New function.
	* iface/gspn/eesrg.hh (emptiness_check_eesrg_shy): New function.
	* iface/gspn/ltlgspn.cc (main) [EESRG]: Handle -e3, -e4, and -e5.
	* * src/tgbaalgos/gtec/gtec.hh, src/tgbaalgos/gtec/gtec.cc
	(emptiness_check_shy::check): Move arc, num, succ_queue, and todo
	as attributes.
	(emptiness_check_shy::find_state): New virtual function.

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	    Alexandre Duret-Lutz  <adl@src.lip6.fr>

	* iface/gspn/ltlgspn.cc (connected_component_eesrg,
	connected_component_eesrg_factory, numbered_state_heap_eesrg_semi,
	numbered_state_heap_eesrg_const_iterator,
	numbered_state_heap_eesrg_factory_semi): New classes.
	(emptiness_check_eesrg_semi, emptiness_check_eesrg_shy_semi,
	counter_example_eesrg): New functions.
	* iface/gspn/eesrg.hh (emptiness_check_eesrg_semi,
	emptiness_check_eesrg_shy_semi, counter_example_eesrg): New
	functions.
	* iface/gspn/ltlgspn.cc [EESRG]: Adjust to call these new functions.

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	* iface/gspn/eesrg.cc (tgba_succ_iterator_gspn_eesrg,
	state_gspn_eesrg): Compute the array of all successors of the
	right state beforehand, pass it to Greatspn (left automata) at
	once, let it compute the resulting synchronized arcs, and iterate
	on that result.

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	* src/tgbaalgos/gtec/nsheap.hh (numbered_state_heap_factory,
	numbered_state_heap_hash_map_factory): New class.
	* src/tgbaalgos/gtec/nsheap.cc (numbered_state_heap_hash_map_factory):
	Implement it.
	* src/tgbaalgos/gtec/gtec.hh (emptiness_check::emptiness_check,
	emptiness_check_shy::emptiness_check_shy): Take a
	numbered_state_heap_factory argument.
	* tgbaalgos/gtec/status.hh
	(emptiness_check_status::emptiness_check_status): Likewise.
	(emptiness_check_status::h): Make it a numbered_state_heap*.
	* src/tgbaalgos/gtec/ce.cc, tgbaalgos/gtec/gtec.cc,
	tgbaalgos/gtec/status.cc: Adjust uses of ecs_->h.

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	* src/tgbaalgos/emptinesscheck.hh, src/tgbaalgos/emptinesscheck.cc:
	Delete and split into ...
	* src/tgbaalgos/gtec/ce.cc, src/tgbaalgos/gtec/ce.hh,
	src/tgbaalgos/gtec/explscc.cc, src/tgbaalgos/gtec/explscc.hh,
	src/tgbaalgos/gtec/gtec.cc, src/tgbaalgos/gtec/gtec.hh,
	src/tgbaalgos/gtec/nsheap.cc, src/tgbaalgos/gtec/nsheap.hh,
	src/tgbaalgos/gtec/sccstack.cc, src/tgbaalgos/gtec/sccstack.hh,
	src/tgbaalgos/gtec/status.cc, src/tgbaalgos/gtec/status.hh: ...
	these new files.
	* src/tgbaalgos/gtec/Makefile.am: New file.
	* src/tgbaalgos/Makefile.am (SUBDIRS, libtgbaalgos_la_LIBADD):
	Recurse into gtec and link gtec/libgtec.la.
	(tgbaalgos_HEADERS, libtgbaalgos_la_SOURCES): Remove emptinesscheck.hh
	and emptinesscheck.cc.
	* configure.ac: Output src/tgbalagos/gtec/Makefile.
	* iface/gspn/ltlgspn.cc, src/tgbatest/ltl2tgba.cc: Update includes.
	* README: Update tree description.

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	* src/tgbaalgos/emptinesscheck.hh (numbered_state_heap_const_iterator,
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	numbered_state_heap, numbered_state_heap_hash_map): New classes.
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	* src/tgbaalgos/emptinesscheck.cc
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	(numbered_state_heap_hash_map_const_iterator): New class.
	(numbered_state_heap_hash_map): Implement it.

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	* src/tgbaalgos/emptinesscheck.hh
	(explicit_connected_component_factory,
	connected_component_hash_set_factory): New classes.
	(counter_example::counter_example): Take an
	explicit_connected_component_factory factory argument.
	* src/tgbaalgos/emptinesscheck.cc: Adjust.

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	* src/tgbaalgos/emptinesscheck.hh (explicit_connected_component):
	New class.
	(counter_example::connected_component_set): Rename as ...
	(connected_component_hash_set): ... this, and inherit from
	explicit_connected_component.
	(counter_example::accepting_path, counter_example::complete_cycle):
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	Take an explicit_connected_component argument instead of a
	connected_component_set.
	* src/tgbaalgos/emptinesscheck.cc: Adjust.
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	* src/tgbaalgos/emptinesscheck.hh
	(counter_example::connected_component_set::has_state): Return
	a const state* and behave like h_filt.
	* src/tgbaalgos/emptinesscheck.cc: Adjust.

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	* src/tgbaalgos/emptinesscheck.hh (emptiness_check::check2): Move
	into ...
	(emptiness_check_shy): This new subclass of emptiness_check.
	* src/tgbaalgos/emptinesscheck.cc, src/tgbatest/ltl2tgba.cc,
	iface/gspn/ltlgspn.cc: Adjust.

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	* src/tgba/bdddict.hh (bdd_dict::annon_free_list): Hide from Swig.

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	* src/tgbaalgo/semptinesscheck.hh (counter_example): New class,
	extracted from ...
	(emptiness_check): ... here.
	* src/tgbaalgos/emptinesscheck.cc, src/tgbatest/ltl2tgba.cc,
	iface/gspn/ltlgspn.cc: Adjust.

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	* wrap/python/Makefile.am ($(srcdir)/spot_wrap.cxx)
	($(srcdir)/buddy_wrap.cxx): Use -noruntime instead of -c.

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	* src/tgbaalgo/semptinesscheck.hh (emptiness_check_status): New class,
	extracted from ...
	(emptiness_check): ... here.
	* src/tgbaalgos/emptinesscheck.cc: Adjust.

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	* src/tgbaalgo/semptinesscheck.hh (scc_stack): New class, extracted
	from ...
	(emptiness_check): ... here.
	(emptiness_check::root): Redefined as a scc_stack object.
	* src/tgbaalgos/emptinesscheck.cc: Adjust.

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	* src/tgbaalgos/emptinesscheck.cc (emptiness_check::complete_cycle):
	Do not visit a state more than once.  Report from Soheib Baarir.

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	* src/tgbaalgos/ltl2tgba_fm.cc (translate_dict): Reuse Acc and Var
	variables from a shared bdd_dict.  Register Next variables as
	anonymous variables.
	(translate_dict::translate_dict, translate_dict::~translate_dict,
	translate_dict::register_proposition,
	translate_dict::register_a_variable,
	translate_dict::register_next_variable,
	translate_dict::dump, translate_dict::var_to_formula,
	ltl_to_tgba_fm): Adjust.
	(translate_dict::dict): New attribute.
	(translate_dict::a_map, translate_dict::a_formula_map,
	translate_dict::var_map, translate_dict::var_formula_map): Delete.

834
835
836
837
838
839
840
	* src/misc/freelist.cc (free_list::remove): Work around
	invalidated iterators.
	* tgba/bdddict.cc (unregister_variable): New methods,
	extracted from ...
	(bdd_dict::unregister_all_my_variables): ... here.
	* tgba/bdddict.hh (unregister_variable): Declare them.

841
842
2004-03-23  Alexandre DURET-LUTZ  <adl@src.lip6.fr>

843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
	* src/misc/freelist.hh (free_list::remove, free_list::insert): New
	methods.
	* src/misc/freelist.cc (free_list::register_n,
	free_list::releases_n): Rewrite using free_list::remove and
	free_list::insert.
	(free_list::remove, free_list::insert): New methods.
	* src/tgba/bdddict.hh (bdd_dict::register_anonymous_variables):
	New method.
	(bdd_dict::annon_free_list): New subclass.
	(bdd_dict::free_annonymous_list_of_type_of): New attribute.
	* src/tgba/bdddict.cc (bdd_dict::register_all_variables_of,
	bdd_dict::unregister_all_my_variables): Handle anonymous variables
	too.
	(bdd_dict::register_anonymous_variables,
	bdd_dict::annon_free_list::annon_free_list,
	bdd_dict::annon_free_list::extend): New methods.

860
861
862
	* src/tgbaalgos/emptinesscheck.cc (emptiness_check::accepting_path)
	Fix handling of PATH when backtracking.  Report from Soheib Baarir.

863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
2004-03-18  Alexandre Duret-Lutz  <adl@src.lip6.fr>

	Move the free_list management into a separate class for reuse.

	* src/misc/freelist.hh, src/misc/freelist.cc: New files.
	* src/misc/Makefile.am (misc_HEADERS, libmisc_la_SOURCES): Add them.
	* src/misc/bddalloc.hh (bdd_allocator): Inherit from free_list and
	make dump_free_list visible.
	* src/misc/bddalloc.cc (bdd_allocator::allocate_variables): Move
	all the code into free_list::register_n() and
	bdd_allocator::extend(), and call the former.
	(bdd_allocator::release_variables): Move all the code into
	free_list::release_n() and call it.
	(bdd_allocator::extend): New method.
	* src/tgba/bdddict.cc (bdd_dict::dump): Call dump_free_list;

879
880
881
882
2004-03-09  Alexandre Duret-Lutz  <adl@src.lip6.fr>

	* configure.ac, NEWS: Bump version to 0.0s.

883
884
2004-03-08  Alexandre Duret-Lutz  <adl@src.lip6.fr>

885
886
	* configure.ac, NEWS: Bump version to 0.0r.

887
888
889
890
	* src/tgbaalgos/ltl2tgba_fm.cc (ltl_to_tgba_fm) <exprop>: Do not
	blindly enumerate all combinations of atomic properties; initially
	set all_props to the set of all possibly satisfiable combinations.

891
892
2004-02-21  Alexandre Duret-Lutz  <adl@src.lip6.fr>

893
894
895
	* lbtt/src/Makefile.am (lbtt_translate_SOURCES): Fix leftover
	from 1.0.3 merge.

896
897
	* wrap/python/cgi/ltl2tgba.in: Process ltl2tgba.opt if it exists.

898
899
	* wrap/python/cgi/ltl2tgba.in: Color translators and their options.

900
901
2004-02-20  Alexandre Duret-Lutz  <adl@src.lip6.fr>

902
903
	* wrap/python/cgi/ltl2tgba.in: Present the options in a table.

904
905
906
907
	* wrap/python/cgi/ltl2tgba.in: Remove the "print dot" options,
	add a "dot source" source behind each picture instead.  Do
	not run `dot' on big automata.

908
909
910
911
	* src/tgbaalgos/ltl2tgba_fm.cc (ltl_to_tgba_fm): Fix example
	in comment.  Skip false transitions, and do not compute
	sub-formulae reachable only via false transitions.

912
913
914
915
	* src/tgbaalgos/ltl2tgba_fm.cc (ltl_to_tgba_fm): Revert
	yesterday's change.  This optimization is NOT covered by exprop.
	In fact it could be generalized.

916
917
2004-02-19  Alexandre Duret-Lutz  <adl@src.lip6.fr>

918
919
920
	* src/tgbaalgos/ltl2tgba_fm.cc (ltl_to_tgba_fm): Remove the
	cond_for_true optimization.  It is covered by exprop.

921
922
923
	* src/tgba/tgbatba.cc (tgba_tba_proxy_succ_iterator::current_state):
	Fix reference to Oddoux's thesis.

924
925
2004-02-16  Alexandre Duret-Lutz  <adl@src.lip6.fr>

926
927
928
929
930
931
932
933
	* src/tgbaalgos/ltl2tgba_fm.hh (ltl_to_tgba_fm): Add the
	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.

934
935
936
937
938
	* src/tgbaalgos/ltl2tgba_fm.cc (ltl_trad_visitor::visit) <unop::G>:
	suppress the GFy optimisation introduced on 2003-11-26, it is
	generalized by the identification of states with same symbolic
	rewriting introduced on 2004-02-02.

939
940
	* lbtt/: Merge lbtt 1.0.3.

941
942
943
944
945
2004-02-13  Alexandre Duret-Lutz  <adl@src.lip6.fr>

	* src/tgbatest/ltl2baw.pl (END): Ensure LTL2TGBA is always
	closed.

946
947
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951
952
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955
956
2004-02-11  Alexandre Duret-Lutz  <adl@src.lip6.fr>

	* src/tgbatest/ltl2tgba.cc (syntax): Recognize "-" as input
	filename for the formula.  Merge the transitions of automata
	read with -X.
	* src/tgbatest/spotlbtt.test: Add many disabled algorithms.
	It is convenient to reuse the `config' file created by this
	test when making statistics.
	* src/tgbatest/ltl2baw.pl: New file.
	* src/tgbatest/Makefile.am (EXTRA_DIST): Add ltl2baw.pl.

957
958
2004-02-10  Alexandre Duret-Lutz  <adl@src.lip6.fr>

959
960
961
	* wrap/python/libpy.c: Update from Swig 1.3.21.
	* HACKING: Update versions.

962
963
964
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966
967
968
969
970
	* src/tgbaalgos/ltl2tgba_fm.cc (ltl_to_tgba_fm): Take an exprop
	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.

971
972
2004-02-09  Alexandre Duret-Lutz  <adl@src.lip6.fr>

973
974
	* src/ltlparse/ltlparse.yy: Typo.

975
976
977
978
979
	* wrap/python/cgi/ltl2tgba.in: Use render_dot when
	showing formula.
	* wrap/python/cgi/README: Mention unique_id.

2004-02-08  Alexandre Duret-Lutz  <adl@src.lip6.fr>
980
981
982
983
984
985
986
987
988
989
990
991
992
993

	This should help getting accurate statistics (on both the
	formula automaton and the synchronized product) from LBTT.
	Idea from Jean-Michel Couvreur.

	* src/tgbaalgos/lbtt.cc (nonacceptant_lbtt_bfs): New class.
	(nonacceptant_lbtt_reachable): New function.
	* src/tgbaalgos/lbtt.hh (nonacceptant_lbtt_reachable): New
	function.
	* src/tgbatest/ltl2tgba.cc (main): Call nonacceptant_lbtt_reachable
	if the -T option is used.
	* src/tgbatest/spotlbtt.test: Setup the -T variants, disabled by
	default.

994
995
2004-02-05  Alexandre Duret-Lutz  <adl@src.lip6.fr>

996
997
	* src/tgbaalgos/lbtt.hh: Typos.

998
999
	* src/tgbatest/spotlbtt.test: Typo.

1000
1001
1002
1003
1004
1005
	* wrap/python/spot.i (unblock_signal): New function.
	* 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.

1006
1007
2004-02-03  Alexandre Duret-Lutz  <adl@src.lip6.fr>

1008
1009
	* configure.ac, NEWS: Bump version to 0.0q.

1010
1011
	* configure.ac, NEWS: Bump version to 0.0p.

1012
1013
1014
1015
	* wrap/python/cgi/ltl2tgba.in: Fix <table> setting to cope
	with IE, Safari, konqueror, ... None of these support
	rules="groups" frame="border" properly (Mozilla is OK).

1016
1017
1018
2004-02-02  Alexandre Duret-Lutz  <adl@src.lip6.fr>

	* wrap/python/cgi/ltl2tgba.in: Output a description of the syntax.
1019

1020
1021
1022
	* wrap/python/cgi/ltl2tgba.in: Import spot and redirect stderr
	to stdout early.

1023
1024
1025
	* wrap/python/cgi/ltl2tgba.in (print_stats): Compute and display
	the number of acceptance conditions.

1026
1027
1028
1029
1030
	* wrap/python/tests/bddnqueen.py, wrap/python/tests/interdep.py,
	wrap/python/tests/ltl2tgba.py, wrap/python/tests/ltlparse.py,
	wrap/python/tests/ltlsimple.py: Specify coding system to
	accommodate newer Python versions.

1031
1032
1033
1034
1035
	* src/misc/bddalloc.hh: Make all methods public.
	* 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.

1036
1037
1038
1039
1040
1041
	* src/tgbatest/explicit.cc, src/tgbatest/explprod.cc,
	src/tgbatest/ltl2tgba.cc, src/tgbatest/ltlprod.cc,
	src/tgbatest/mixprod.cc, src/tgbatest/powerset.cc,
	src/tgbatest/readsave.cc, src/tgbatest/tgbaread.cc,
	src/tgbatest/tripprod.cc: Add missing copyright license.

1042
1043
1044
1045
	* wrap/python/cgi/ltl2tgba.in (render_dot): Render .png directly
	with dot, without using convert.
	* wrap/python/cgi/README: Do not mention convert.

1046
1047
1048
	* wrap/python/cgi/ltl2tgba.in (render_dot, render_automaton)
	(render_bdd): New functions, extracted from the rest of the code.

1049
1050
1051
1052
	* wrap/python/cgi/ltl2tgba.in (default_translator): Default
	to trans_fm.
	(translators): Show trans_fm before trans_lacim.

1053
1054
1055
1056
	* wrap/python/cgi/ltl2tgba.in (print_stats): New function.  Call
	it to display the size of the generalized and degeneralized
	automata.

1057
1058
1059
1060
1061
	* src/tgbalagos/stats.hh, src/tgbalagos/stats.cc: New files.
	* src/tgbalagos/Makefile.am: Add them.
	* wrap/python/spot.i: Include src/tgbalagos/dupexp.hh and
	src/tgbalagos/stats.hh

1062
1063
1064
1065
1066
	* src/tgbaalgos/ltl2tgba_fm.cc (ltl_to_tgba_fm): Identify states
	with identical successors.  This optimizes the translation
	of `a R (b R c)', for instance.
	* src/tgbatest/ltl2tgba.test: Add two new tests.

1067
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1070
1071
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1073
1074
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1077
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1080
1081
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1083
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1085
	Hide the tgba_gspn and tgba_gspn_eesrg classes.  Offer the
	corresponding automaton via the automaton() method of the
	gspn_interface and gspn_eesrg_interface classes.

	* iface/gspn/gspn.hh (gspn_interface::gspn_interface): Take dict and
	env arguments.
	(gspn_interface::automaton): New method.
	(tgba_gspn): Move all the declaration ...
	* iface/gspn/gspn.cc (tgba_gspn): ... here.
	(gspn_interface::automaton): Implement it.
	* iface/gspn/eesrg.hh (gspn_eesrg_interface::gspn_eesrg_interface):
	Take dict and env arguments.
	(gspn_eesrg_interface::automaton): New method.
	(tgba_gspn_eesrg): Move all the declaration ...
	* iface/gspn/gspn.cc (tgba_gspn_eesrg): ... here.
	(gspn_eesrg_interface::automaton): Implement it.
	* iface/gspn/dottygspn.cc, iface/gspn/dottyeesrg.cc,
	iface/gspn/ltlgspn.cc: Adjust.

1086
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1088
1089
1090
2004-01-30  Alexandre Duret-Lutz  <adl@src.lip6.fr>

	* src/ltlvisit/tostring.cc: Fix output of F0, F1, G0, G1, X0, and X1.
	* src/ltltest/tostring.test: Test these.

1091
1092
2004-01-29  Alexandre Duret-Lutz  <adl@src.lip6.fr>

1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
	* src/tgba/tgbaexplicit.cc (tgba_explicit::get_acceptance_condition):
	Do not treat true and false specially.  Otherwise it breaks
	translation of F(false).
	* src/tgbatest/explprod.test, src/tgbatest/tripprod.test: Do not
	use true as acceptance condition.

	* src/tgbaalgos/ltl2tgba_fm.cc (ltl_trad_visitor): Use Acc[b] as
	acceptance condition for Fb, not Acc[Fb].

	After this change, degeneralized automata are 40% smaller
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
	in LBTT's statistics.

	* src/tgba/tgbatba.cc (state_tba_proxy): Store an iterator,
	pointing somewhere into the acceptance conditions list, instead of
	an acceptance condition.
	(state_tba_proxy::acceptance_iterator): New method.
	(tgba_tba_proxy_succ_iterator): Adjust to use iterators too.
	(tgba_tba_proxy_succ_iterator::current_state): If the current
	transition is in several consecutive acceptance steps after the
	expected one, advance many steps at once.
	(tgba_tba_proxy::tgba_tba_proxy): Build the acceptance cycle
	as a list, not a map.
	(tgba_tba_proxy::get_init_state, tgba_tba_proxy::succ_iter):
	Adjust.
	* src/tgba/tgbatba.hh (tgba_tba_proxy::acc_cycle_): Declare as
	a list, not a map.

1120
1121
2004-01-26  Alexandre Duret-Lutz  <adl@src.lip6.fr>

1122
1123
1124
1125
1126
	* src/tgbaalgos/magic.cc (magic_search::~magic_search): Release
	all iterators on the stack.
	(magic_search::check): Release iterators that are popped off the
	stack.

1127
1128
	* src/tgbatest/explpro2.test: Fix reordering regex.

1129
1130
	* src/tgbatest/defs.in (run): Use libtool --mode=execute.

1131
1132
2004-01-23  Alexandre Duret-Lutz  <adl@src.lip6.fr>

1133
1134
1135
1136
1137
1138
	* src/tgbaalgos/ltl2tgba_fm.cc (ltl_to_tgba_fm): Merge transitions
	with same destination and acceptance conditions directly, without
	calling a->merge_transition().  If one transitions goes to "True",
	subtract its conditions from all other transitions; this optimizes
	a U b.

1139
1140
1141
1142
1143
	* src/ltlast/refformula.hh (ref_formula::ref_count_): New method.
	* src/ltlast/refformula.cc (ref_formula::ref_count_): New method.
	* src/ltlast/atomic_prop.hh (atomic_prop::dump_instance): New method.
	* src/ltlast/atomic_prop.cc (atomic_prop::dump_instance): New method.

1144
1145
	* src/tgbaalgos/ltl2tgba_fm.cc: Typos in comments.

1146
1147
2004-01-13  Alexandre Duret-Lutz  <adl@src.lip6.fr>

1148
1149
	* configure.ac, NEWS: Bump version to 0.0o.

1150
1151
1152
	* configure.ac: Bump version to 0.0n.
	* NEWS: Update.

1153
1154
1155
	* src/tgbaalgos/emptinesscheck.hh (emptiness_check::check,
	emptiness_check::check2): Document them.

1156
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1158
1159
2004-01-12  Alexandre Duret-Lutz  <adl@src.lip6.fr>

	* iface/gspn/ltlgspn.cc (main): Typo, use MIN_ARG.

1160
1161
2004-01-09  Alexandre Duret-Lutz  <adl@src.lip6.fr>

1162
1163
1164
	* iface/gspn/dcswaveeltl.test, iface/gspn/udcsefm.test,
	iface/gspn/udcseltl.test: Exercize -e2.

1165
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1168
1169
1170
1171
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1173
1174
1175
1176
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1178
1179
	* src/tgbaalgos/emptinesscheck.cc (emptiness_check::check2):
	New function, variant of emptiness_check::check().
	* src/tgbaalgos/emptinesscheck.hh (emptiness_check::check2):
	Likewise.
	* src/tgbatest/emptchk.test, src/tgbatest/emptchke.test: Exercize -e2.
	* src/tgbatest/ltl2tgba.cc: Support -e2, for emptiness_check::check2().
	* iface/gspn/Makefile.am [WITH_GSPN_EESRG] (check_PROGRAMS):
	Compile ltlgspn-eesrg instead of ltleesrg.
	(ltleesrg_SOURCES, ltleesrg_LDADD): Replace by...
	(ltlgspn_eesrg_SOURCES, ltlgspn_eesrg_LDADD, LIBGSPNESRG_LDFLAGS):
	... these.
	* iface/gspn/ltleesrg.cc: Delete.
	* iface/gspn/ltlgspn.cc [EESRG]: Support EESRG conditionally.
	Support -e2.

1180
1181
	* src/tgbaalgos/ltl2tgba_lacim.cc: Typo in comment.

1182
	* src/tgbaalgos/emptinesscheck.cc (emptiness_check::check): Typos
1183
1184
	in comments.

1185

1186
1187
1188
1189
1190
1191
1192
1193
	* m4/gspnlib.m4 (AX_CHECK_GSPNLIB): Do not warn about a missing
	library for eesrg.  Define the WITH_GSPN_EESRG conditional.
	* iface/gspn/Makefile.am (gspn_HEADERS, check_PROGRAMS): Add the
	eesrg items in condition WITH_GSPN_EESRG.
	(libspotgspneesrg_la_LIBADD, libspotgspneesrg_la_CPPFLAGS)
	(libspotgspneesrg_la_SOURCES): Define only in condition
	WITH_GSPN_EESRG.

1194
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1197
1198
1199
1200
	* src/tgbaalgos/emptinesscheck.cc (emptiness_check::print_stats):
	New function.
	* src/tgbaalgos/emptinesscheck.hh (emptiness_check::print_stats):
	Likewise.
	* iface/gspn/ltlgspn.cc (main) <Couvreur>: Call print_stats().
	* iface/gspn/ltleesrg.cc (main): Likewise.

1201
1202
	* iface/gspn/ltlgspn.cc: Add option -P.

1203
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1211
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1213
1214
2004-01-08  Alexandre Duret-Lutz  <adl@src.lip6.fr>

	Run valgrind in test cases.
	* src/tgbatest/defs.in (VALGRIND, run): Define.
	* src/tgbatest/bddprod.test, src/tgbatest/dupexp.test,
	src/tgbatest/emptchk.test, src/tgbatest/emptchke.test,
	src/tgbatest/explicit.test, src/tgbatest/explpro2.test,
	src/tgbatest/explpro3.test, src/tgbatest/explprod.test,
	src/tgbatest/ltl2tgba.test, src/tgbatest/ltlprod.test,
	src/tgbatest/mixprod.test, src/tgbatest/readsave.test,
	src/tgbatest/tgbaread.test, src/tgbatest/tripprod.test: Use run().

1215
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2004-01-06  Alexandre Duret-Lutz  <adl@src.lip6.fr>

1217
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1220
1221
1222
1223
1224
1225
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	* iface/gspn/eesrg.cc (format_state): Do not rewrite \n's,
	just strip the last one.  Escaping must be done at output.
	* iface/gspn/gspm.cc (format_state): Likewise.
	* src/misc/escape.hh, src/misc/escape.cc: New files.
	* src/misc/Makefile.am: Add them.
	* src/tgba/bddprint.cc (bdd_format_accset): New function.
	* src/tgba/bddprint.hh (bdd_format_accset): New function.
	* src/tgbaalgos/dotty.cc (dotty_bfs::process_state):
	Escape the state name using escape_str().
	(dotty_bfs::process_link): Escape conditions and acceptance
	conditions using escape_str().
	* src/tgbaalgos/save.cc (save_bfs::start): Call print_acc().
	(save_bfs::print_acc): New function extracted from save_bfs::start().
	Escape each acceptance condition.
	(save_bfs::process_state): Use escape_str() and print_acc()

1233
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1238
1239
1240
	* src/ltlvisit/tostring.cc
	(to_string_visitor::visit(const atomic_prop*)): Quote propositions
	that start with F, G, or X.
	* src/ltltest/tostring.test: Test quoted propositions.
	* src/tgbaalgos/save.cc (save_bfs::process_state): Escape " and \
	characters in formulae.
	* src/tgbatest/readsave.test: Test for this.

1241
1242
	* src/tgbaalgos/reachiter.hh: Typos in comments.

1243
1244
1245
1246
	* iface/gspn/eesrg.cc (tgba_gspn_eesrg::all_acceptance_conditions,
	tgba_gspn_eesrg::neg_acceptance_conditions): Forward to
	data_->operand.

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	* src/tgbaalgos/emptinesscheck.cc (emptiness_check::complete_cycle):
	Do not skip this computation if from == to but the period is empty.

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	* iface/gspn/eesrg.cc (state_gspn_eesrg::clone): Clone the right
	state.

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	* iface/gspn/ltleesrg.cc: Emptinesscheck the full product, not
	the control automaton.

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	* iface/gspn/eesrg.cc (tgba_gspn_eesrg::project_state): New method.
	* iface/gspn/eesrg.hh: Likewise.

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	* src/tgbaalgos/powerset.cc, src/tgbaalgos/powerset.hh: New files.
	* src/tgbaalgos/Makefile.am: Add them.
	* src/tgbatest/powerset.cc: New file.
	* src/tgbatest/Makefile.am: Construct powerset and expldot from
	powerset.cc.

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	* src/tgbaalgos/reachiter.cc (tgba_reachable_iterator::run)
	Reuse s->second to avoid a hash lookup.
	* src/tgbaalgos/save.cc (save_bfs::process_state): Delete dest.

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	* src/ltlparse/Makefile.am ($(FROM_LTLPARSE_YY_MAIN)):
	Use $(FROM_LTLPARSE_YY_MAIN), not $@, because $@ can contains
	VPATH and we do not want Bison to see absolute paths.
	* src/tgbaparse/Makefile.am ($(FROM_TGBAPARSE_YY_MAIN)): Likewise.

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	* src/ltltest/parseerr.test: Adjust.
	* src/ltlparse/ltlparse.yy: Simplify error handling now that Bison
	will call destructors.  Give each operator a full name, so that
	Bison uses it in error messages.

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	* iface/gspn/ltleesrg.cc: New file.
	* iface/gspn/Makefile.am (check_PROGRAMS): Add ltleesrg.
	(ltleesrg_LDADD, ltleesrg_SOURCES): New variables.

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	* src/ltltest/defs.in (run): Rerun valgrind with --leak-check=yes.
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	* src/ltlparse/ltlparse.yy: Add `%destructor's.

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	* src/ltltest/defs.in (run): New function, run valgrind.
	* src/ltltest/equals.test, src/ltltest/lunabbrev.test,
	src/ltltest/nenoform.test, src/ltltest/parse.test,
	src/ltltest/parseerr.test, src/ltltest/tostring.test,
	src/ltltest/tunabbrev.test, src/ltltest/tunenoform.test: Use run().
	* Makefile.am (EXTRA_DIST): Don't list the m4/*.m4 files,
	Automake 1.8 find them automatically.
	* configure.ac: Require Automake 1.8, in gnits mode, and check
	for valgrind.
	* THANKS: New empty file.

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	* doc/Doxyfile.in: Upgrade to Doxygen 1.3.5.  Build
	documentation for iface/.
	* dox/mainpage.dox: Fix reference to ltl_to_tgba.
	* src/ltlenv/environment.hh: Typo.

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	* src/tgba/tgbaexplicit.cc, src/tgba/tgbaexplicit.hh
	(tgba_explicit::merge_transitions): New method.
	* src/tgbaalgos/ltl2tgba_fm.cc (ltl_to_tgba_fm): Factorize all
	variables (not just Next and A) when computing prime implicants,
	and then call merge_transitions().

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	* configure.ac: Bump version to 0.0m.

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	* configure.ac, NEWS: Bump version to 0.0l.
	* doc/Makefile.am ($(srcdir)/spotref.pdf): Do not assume spot.latex is
	in the srcdir.

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	* src/tgbaparse/tgbaparse.yy (cond_list): Simplify into...
	(condition): ... this.  We now accept only one condition, which
	is a formula.
	* src/tgba/tgbaexplicit.hh (tgba_explicit::add_neg_condition,
	tgba_explicit::get_condition): Remove, unused.
	* src/tgba/tgbaexplicit.cc: Likewise.

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	* iface/gspn/eesrg.cc, iface/gspn/eesrg.hh, iface/gspn/gspn.cc,
	iface/gspn/gspn.hh, src/tgba/bdddict.cc, src/tgba/bdddict.hh,
	src/tgba/bddprint.hh, src/tgba/succiter.hh,
	src/tgba/succiterconcrete.cc, src/tgba/succiterconcrete.hh,
	src/tgba/tgba.hh, src/tgba/tgbabddconcrete.cc,
	src/tgba/tgbabddconcrete.hh, src/tgba/tgbabddconcretefactory.cc,
	src/tgba/tgbabddconcretefactory.hh, src/tgba/tgbabddcoredata.cc,
	src/tgba/tgbabddcoredata.hh, src/tgba/tgbaexplicit.cc,
	src/tgba/tgbaexplicit.hh, src/tgba/tgbaproduct.cc,
	src/tgba/tgbaproduct.hh, src/tgba/tgbatba.cc, src/tgba/tgbatba.hh,
	src/tgbaalgos/dotty.cc, src/tgbaalgos/dupexp.cc,
	src/tgbaalgos/emptinesscheck.cc, src/tgbaalgos/emptinesscheck.hh,
	src/tgbaalgos/lbtt.cc, src/tgbaalgos/lbtt.hh,
	src/tgbaalgos/ltl2tgba_fm.cc, src/tgbaalgos/ltl2tgba_lacim.cc,
	src/tgbaalgos/save.cc, src/tgbatest/explicit.cc,
	src/tgbatest/ltl2tgba.cc, src/tgbaparse/tgbaparse.yy,
	wrap/python/tests/ltl2tgba.py:
	Rewrite `accepting condition' as `acceptance condition'.
	The symbols which have been renamed are:
	tgba::all_accepting_conditions
	tgba::neg_accepting_conditions
	succ_iterator::current_accepting_conditions
	bdd_dict::register_accepting_variable
	bdd_dict::register_accepting_variables
	bdd_dict::is_registered_accepting_variable
	tgba_bdd_concrete_factory::declare_accepting_condition
	tgba_bdd_core_data::accepting_conditions
	tgba_bdd_core_data::all_accepting_conditions
	tgba_explicit::declare_accepting_condition
	tgba_explicit::complement_all_accepting_conditions
	tgba_explicit::has_accepting_condition
	tgba_explicit::get_accepting_condition
	tgba_explicit::add_accepting_condition
	tgba_explicit::all_accepting_conditions
	tgba_explicit::neg_accepting_conditions
	state_tba_proxy::acceptance_cond
	accepting_cond_splitter

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	* src/tgbaalgos/ltl2tgba_fm.cc (ltl_trad_visitor::visit) <G>:
	Optimize translation of GFy.

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	* src/tgba/bddprint.cc (print_accset_handler, bdd_print_accset): New
	functions.
	* src/tgba/bddprint.cc (bdd_print_accset): Declare it.
	* src/tgbaalgos/dotty.cc (dotty_bfs::process_link): Use it.
	* src/tgbatest/tgbaread.test, src/tgbatest/explicit.test: Adjust
	expected output.

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2003-11-25  Alexandre Duret-Lutz  <adl@src.lip6.fr>

	* src/tgbaparse/tgbaparse.yy: Remove a random character.
	* src/tgba/formula2bdd.cc: Include cassert.

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	Explicit automata can now have arbitrary logic formula on their
	arcs.  ltl2tgba_fm benefits from this and join multiple arcs with
	the same destination and acceptance conditions.
	* src/tgba/formula2bdd.cc, src/tgba/formula2bdd.hh: New files.
	* src/tgba/Makefile.am (tgba_HEADERS, libtgba_la_SOURCES): Add them.
	* src/tgba/bddprint.cc, src/tgba/bddprint.hh (bdd_pring_formula,
	bdd_format_formula): New functions.
	* src/tgba/tgbaexplicit.hh (tgba_explicit::get_condition,
	tgba_explicit::add_condition, tgba_explicit::add_neg_condition,
	tgba_explicit::declare_accepting_condition,
	tgba_explicit::has_accepting_condition,
	tgba_explicit::get_accepting_condition,
	tgba_explicit::add_accepting_condition): Take a const formula*.
	* src/tgba/tgbaexplicit.cc (tgba_explicit::add_condition):
	Rewrite using formula_to_bdd.
	* src/tgbaalgos/dotty.cc (dotty_bfs::process_link): Use
	bdd_print_formula to display conditions.
	* src/tgbaalgos/save.cc (save_bfs::process_state): Likewise.
	* src/tgbaalgos/ltl2tgba_fm.cc (translate_dict::bdd_to_formula):
	New function.
	(translate_dict::conj_bdd_to_atomic_props): Remove.
	(ltl_to_tgba_fm): Factor successors on accepting conditions
	and destinations, not conditions.  Use bdd_to_formula to translate
	the conditions.
	* src/tgbaparse/tgbaparse.yy: Expect conditions as a formula
	in a string, call the LTL parser for this.
	* src/tgbaparse/tgbascan.ll: Process \" and \\ escapes in
	strings.
	* src/tgbatest/emptchke.test, src/tgbatest/explicit.test,
	src/tgbatest/explpro2.test, src/tgbatest/explpro3.test,
	src/tgbatest/explprod.test, src/tgbatest/mixprod.test,
	src/tgbatest/readsave.test, src/tgbatest/tgbaread.test,
	src/tgbatest/tripprod.test: Adjust to new syntax for explicit
	automata.

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	* src/misc/minato.hh (minato_isop(bdd,bdd)): New constructor variant.
	(minato_isop::local_vars::vars): New attribute.
	(minato_isop::local_vars::local_vars): Add the vars arguments.
	(minato_isop::todo, minato_isop::cube, minato_isop::ret): Rename as ...
	(minato_isop::todo_, minato_isop::cube_, minato_isop::ret_): ... these.
	* src/misc/minato.cc: Adjust to factorize only variables in vars.

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	* m4/devel.m4: Fix quoting and simplify default setting of
	enable_devel.

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2003-11-21  Alexandre Duret-Lutz  <adl@src.lip6.fr>

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	* AUTHORS: New file.
	* configure.ac (AM_INIT_AUTOMAKE): Remove `foreign' option.

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	* COPYING: New file.
	* Makefile.am, configure.ac, doc/Makefile.am, iface/Makefile.am,
	iface/gspn/Makefile.am, iface/gspn/common.cc,
	iface/gspn/common.hh, iface/gspn/dottyeesrg.cc,
	iface/gspn/dottygspn.cc, iface/gspn/eesrg.cc, iface/gspn/eesrg.hh,
	iface/gspn/gspn.cc, iface/gspn/gspn.hh, iface/gspn/ltlgspn.cc,
	src/Makefile.am, src/ltlast/Makefile.am, src/ltlast/allnodes.hh,
	src/ltlast/atomic_prop.cc, src/ltlast/atomic_prop.hh,
	src/ltlast/binop.cc, src/ltlast/binop.hh, src/ltlast/constant.cc,
	src/ltlast/constant.hh, src/ltlast/formula.cc,
	src/ltlast/formula.hh, src/ltlast/multop.cc, src/ltlast/multop.hh,
	src/ltlast/predecl.hh, src/ltlast/refformula.cc,
	src/ltlast/refformula.hh, src/ltlast/unop.cc, src/ltlast/unop.hh,
	src/ltlast/visitor.hh, src/ltlenv/Makefile.am,
	src/ltlenv/defaultenv.cc, src/ltlenv/defaultenv.hh,
	src/ltlenv/environment.hh, src/ltlparse/Makefile.am,
	src/ltlparse/fmterror.cc, src/ltlparse/ltlparse.yy,
	src/ltlparse/ltlscan.ll, src/ltlparse/parsedecl.hh,
	src/ltlparse/public.hh, src/ltltest/Makefile.am,
	src/ltltest/defs.in, src/ltltest/equals.cc,
	src/ltltest/equals.test, src/ltltest/lunabbrev.test,
	src/ltltest/nenoform.test, src/ltltest/parse.test,
	src/ltltest/parseerr.test, src/ltltest/readltl.cc,
	src/ltltest/tostring.cc, src/ltltest/tostring.test,
	src/ltltest/tunabbrev.test, src/ltltest/tunenoform.test,
	src/ltlvisit/Makefile.am, src/ltlvisit/clone.cc,
	src/ltlvisit/clone.hh, src/ltlvisit/destroy.cc,
	src/ltlvisit/destroy.hh, src/ltlvisit/dotty.cc,
	src/ltlvisit/dotty.hh, src/ltlvisit/dump.cc, src/ltlvisit/dump.hh,
	src/ltlvisit/lunabbrev.cc, src/ltlvisit/lunabbrev.hh,
	src/ltlvisit/nenoform.cc, src/ltlvisit/nenoform.hh,
	src/ltlvisit/postfix.cc, src/ltlvisit/postfix.hh,
	src/ltlvisit/tostring.cc, src/ltlvisit/tostring.hh,
	src/ltlvisit/tunabbrev.cc, src/ltlvisit/tunabbrev.hh,
	src/misc/Makefile.am, src/misc/bddalloc.cc, src/misc/bddalloc.hh,
	src/misc/bddlt.hh, src/misc/hash.hh, src/misc/minato.cc,
	src/misc/minato.hh, src/misc/version.cc, src/misc/version.hh,
	src/tgba/Makefile.am, src/tgba/bdddict.cc, src/tgba/bdddict.hh,
	src/tgba/bddprint.cc, src/tgba/bddprint.hh, src/tgba/public.hh,
	src/tgba/state.hh, src/tgba/statebdd.cc, src/tgba/statebdd.hh,
	src/tgba/succiter.hh, src/tgba/succiterconcrete.cc,
	src/tgba/succiterconcrete.hh, src/tgba/tgba.cc, src/tgba/tgba.hh,
	src/tgba/tgbabddconcrete.cc, src/tgba/tgbabddconcrete.hh,
	src/tgba/tgbabddconcretefactory.cc,
	src/tgba/tgbabddconcretefactory.hh,
	src/tgba/tgbabddconcreteproduct.cc,
	src/tgba/tgbabddconcreteproduct.hh, src/tgba/tgbabddcoredata.cc,
	src/tgba/tgbabddcoredata.hh, src/tgba/tgbabddfactory.hh,
	src/tgba/tgbaexplicit.cc, src/tgba/tgbaexplicit.hh,
	src/tgba/tgbaproduct.cc, src/tgba/tgbaproduct.hh,
	src/tgba/tgbatba.cc, src/tgba/tgbatba.hh,
	src/tgbaalgos/Makefile.am, src/tgbaalgos/dotty.cc,
	src/tgbaalgos/dotty.hh, src/tgbaalgos/dupexp.cc,
	src/tgbaalgos/dupexp.hh, src/tgbaalgos/emptinesscheck.cc,
	src/tgbaalgos/emptinesscheck.hh, src/tgbaalgos/lbtt.cc,
	src/tgbaalgos/lbtt.hh, src/tgbaalgos/ltl2tgba_fm.cc,
	src/tgbaalgos/ltl2tgba_fm.hh, src/tgbaalgos/ltl2tgba_lacim.cc,
	src/tgbaalgos/ltl2tgba_lacim.hh, src/tgbaalgos/magic.cc,
	src/tgbaalgos/magic.hh, src/tgbaalgos/reachiter.cc,
	src/tgbaalgos/reachiter.hh, src/tgbaalgos/save.cc,
	src/tgbaalgos/save.hh, src/tgbaparse/Makefile.am,
	src/tgbaparse/fmterror.cc, src/tgbaparse/parsedecl.hh,
	src/tgbaparse/public.hh, src/tgbaparse/tgbaparse.yy,
	src/tgbaparse/tgbascan.ll, src/tgbatest/Makefile.am,
	src/tgbatest/bddprod.test, src/tgbatest/defs.in,
	src/tgbatest/dupexp.test, src/tgbatest/emptchk.test,
	src/tgbatest/emptchke.test, src/tgbatest/explicit.test,
	src/tgbatest/explpro2.test, src/tgbatest/explpro3.test,
	src/tgbatest/explprod.test, src/tgbatest/ltl2tgba.test,
	src/tgbatest/ltlprod.test, src/tgbatest/mixprod.test,
	src/tgbatest/readsave.test, src/tgbatest/spotlbtt.test,
	src/tgbatest/tgbaread.test, src/tgbatest/tripprod.test,
	wrap/Makefile.am, wrap/python/Makefile.am, wrap/python/buddy.i,
	wrap/python/spot.i, wrap/python/cgi/Makefile.am,
	wrap/python/cgi/ltl2tgba.in, wrap/python/tests/Makefile.am,
	wrap/python/tests/bddnqueen.py, wrap/python/tests/interdep.py,
	wrap/python/tests/ltl2tgba.py, wrap/python/tests/ltl2tgba.test,
	wrap/python/tests/ltlparse.py, wrap/python/tests/ltlsimple.py,
	wrap/python/tests/run.in: Add Copyright license.

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	* src/misc/minato.cc: Include cassert.

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	* src/misc/minato.cc, src/misc/minato.hh: New files.
	* src/misc/Makefile.am (misc_HEADERS, libmisc_la_SOURCES): Add them.
	* src/tgbaalgos/ltl2tgba_fm.cc (ltl_to_tgba_fm): Use minato_isop.

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	* src/ltltest/Makefile.am (AM_CXXFLAGS): New variable.
	* tgba/bdddict.hh (bdd_dict::register_propositions,
	bdd_dict::register_accepting_variables): New methods.
	* src/bdddict.cc: Likewise.
	* tgba/tgbaexplicit.cc (tgba_explicit::add_conditions,
	tgba_explicit::add_accepting_conditions): New methods.
	(tgba_explicit::get_init_state): Add an "empty" initial
	state to empty automata.
	* tgba/tgbaexplicit.hh: (tgba_explicit::add_conditions,
	tgba_explicit::add_accepting_conditions): New methods.
	* tgbaalgos/Makefiles.am (tgbaalgos_HEADERS, libtgbaalgos_la_SOURCES):
	Add dupexp.hh and dupexp.cc.
	* tgbaalgos/dupexp.hh, tgbaalgos/dupexp.cc: New files.
	* tgbatest/Makefile.am (AM_CXXFLAGS): New variable.
	(check_SCRIPTS): Add dupexp.test.
	(CLEANFILES): Add output1 and output2.
	* tgbatest/dupexp.test: New file.
	* tgbatest/ltl2tgba.cc: Handle -s and -S.
	* tgbatest/tgbaread.cc: Remove unused variable exit_code.

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	* src/ltlparse/ltlscan.ll: Include ltlparse/parsedecl.hh,
	not parsedecl.hh.
	* src/tgbaparse/tgbascan.ll: Likewise, include tgbaparse/parsedecl.hh.

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2003-11-13  Alexandre Duret-Lutz  <adl@src.lip6.fr>

	* src/tgbaalgos/emptinesscheck.cc (emptiness_check::complete_cycle):
	Check whether the state is in the current SCC before passing it
	to h_filt().

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2003-11-07  Alexandre Duret-Lutz  <adl@src.lip6.fr>

	* iface/gspn/eesrg.cc (tgba_succ_iterator_gspn_eesrg::first_): New
	attribute.
	(tgba_succ_iterator_gspn_eesrg::step): Use first_.  Loop until
	succ returns some successors.
	Report from Soheib Baarir.

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	* iface/gspn/eesrg.cc (tgba_succ_iterator_gspn_eesrg::step): Fix
	the iteration logic.
	(tgba_succ_iterator_gspn_eesrg::tgba_succ_iterator_gspn_eesrg): Make
	sure not to free successors_ twice.
	(tgba_succ_iterator_gspn_eesrg::done): Fix definition.

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	* iface/gspn/eesrg.cc (tgba_gspn_eesrg::get_init_state): Do not
	call get_init_state(), use 0 instead.
	(tgba_gspn_eesrg::format_state): Handle the case where s->left() == 0.
	Reported by Soheib Baarir.

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	* src/ltlparse/ltlscan.ll: Cosmetics.

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	* configure.ac: Bump version to 0.0k.

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	* iface/gspn/eesrg.cc (tgba_succ_iterator_gspn_eesrg::step):
	Really Skip unknown variables.

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	* configure.ac, NEWS: Bump version to 0.0j.

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	* iface/gspn/eesrg.cc (tgba_succ_iterator_gspn_eesrg::step):
	Skip unknown variables.

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	* iface/gspn/gspn.cc
	(tgba_gspn_eesrg_private_::tgba_gspn_eesrg_private_): Show prop_index()
	and prop_kind() arguments on error.

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	* iface/gspn/eesrg.cc
	(tgba_gspn_eesrg_private_::tgba_gspn_eesrg_private_): Show prop_index()
	argument on error.

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	* src/ltlparse/Makefile.am ($(FROM_LTLPARSE_YY_MAIN)): cd into
	$(srcdir) before running bison, so that bison does not put
	absolute filenames in generated files.
	* src/tgbaparse/Makefile.am ($(FROM_TGBAPARSE_YY_MAIN)): Likewise.
	Reported by Soheib Baarir.

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	* iface/gspn/Makefile.am (gspn_HEADERS): Add eesrg.hh.
	Reported by Soheib Baarir.

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2003-10-31  Alexandre Duret-Lutz  <adl@src.lip6.fr>

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	* README: More build instructions.
	* HACKING: Update.

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	* doc/Makefile.am ($(srcdir)/spotref.pdf): Make sure to work in
	$(srcdir).

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2003-10-30  Alexandre Duret-Lutz  <adl@src.lip6.fr>

	* m4/gspnlib.m4: Define LIBGSPNESRG_LDFLAGS.
	* iface/gspn/Makefile.am (gspn_HEADERS): Add common.hh.
	(libspotgspn_la_SOURCES): Add common.cc.
	(libspotgspneesrg_la_LIBADD, libspotgspneesrg_la_CPPFLAGS)
	(libspotgspneesrg_la_SOURCES, ltlgspn_eesrg_SOURCES)
	(dotty_eesrg_LDADD, dotty_eesrg_CPPFLAGS): New variables.
	(lib_LTLIBRARIES): Add libspotgspneesrg.la.
	(check_PROGRAMS): Add dottygspn-eesrg.
	* iface/gspn/gspn.hh, iface/gspn/gspn.cc
	(gspn_exeption, operator<<(gspn_exeption), gspn_environment): Move ...
	* iface/gspn/common.hh, iface/gspn/common.cc: ... in these new files.
	* iface/gspn/eesrg.hh, iface/gspn/eesrg.cc, iface/gspn/dottyeesrg.cc:
	New files.

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2003-10-28  Alexandre Duret-Lutz  <adl@src.lip6.fr>

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	* src/tgbaalgos/emptinesscheck.cc (emptiness_check::complete_cycle):
	Simplify, comment, and free memory.

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	* src/tgbaalgos/emptinesscheck.cc (triplet): New class.
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	(emptiness_check::accepting_path): Simplify, comment,
	derecursive, and free memory...
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2003-10-27  Alexandre Duret-Lutz  <adl@src.lip6.fr>

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	* src/tgbaalgos/emptinesscheck.cc (connected_component): Split
	into ...
	(emptiness_check::connected_component,
	emptiness_check::connected_component_set): ... these.
	* src/tgbaalgos/emptinesscheck.cc: Adjust.

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	* src/tgbaalgos/emptinesscheck.cc (emptiness_check::h_filt,
	emptiness_check::~emptiness_check) New methods.
	(emptiness_check::check): Release all iterators in todo on exit.
	(emptiness_check::counter_example): Rewrite the BFS logic.
	* src/tgbaalgos/emptinesscheck.hh (emptiness_check::h_filt,
	emptiness_check::~emptiness_check): New methods.

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	* src/tgba/tgbatba.cc
	(tgba_tba_proxy_succ_iterator::~tgba_tba_proxy_succ_iterator):
	Delete the proxied iterator.

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	* src/tgbaalgos/emptinesscheck.cc (emptiness_check::counter_example):
	Remove unused tmp_last, best_lst, and tmp_acc variables.

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2003-10-24  Alexandre Duret-Lutz  <adl@src.lip6.fr>

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	* src/tgbaalgos/emptinesscheck.cc (emptiness_check::counter_example):
	Rewrite initialization.

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	* src/tgbaalgos/emptinesscheck.cc (emptiness_check::print_result):
	Fix memory leak.

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	* src/tgbaalgos/emptinesscheck.cc (emptiness_check::check):
	Simplify, reorganize, and comment.
	* src/tgbaalgos/emptinesscheck.hh (emptiness_check::root_component):
	Rename as ...
	(emptiness_check::root): ... this, to follow the paper.

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	* src/tgbaalgos/emptinesscheck.cc: Remove some superfluous
	`emptiness_check::'.

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	* src/tgbaalgos/emptinesscheck.cc (emptiness_check::remove_component):
	Rewrite.

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	* src/tgbaalgos/emptinesscheck.cc (emptiness_check::check,
	emptiness_check::counter_example): Simplify access to hashes
	after calls to find() for the same element..

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	* src/tgbaalgos/emptinesscheck.hh (connected_component::set_of_state):
	Rename as ...
	(connected_component::set_type): ... this, and define as a hash_set.
	(connected_component::has_state): New method.
	* src/tgbaalgos/emptinesscheck.cc (connected_component::has_state):
	New method.
	(emptiness_check::counter_example, emptiness_check::complete_cycle,
	emptiness_check::accepting_path): Simplify using has_state().
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	* src/tgbaalgos/emptinesscheck.hh (emptiness_check::seen_state_num):
	Rename as ...
	(emptiness_check::h): ... this, and define as a hash_map.
	(emptiness_check::remove_component): Remove superfluous state_map
	argument.
	* src/tgbaalgos/emptinesscheck.cc: Adjust.

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	* src/tgbaalgos/emptinesscheck.hh, src/tgbaalgos/emptinesscheck.cc:
	Remove superfluous includes.

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	* src/tgbaalgos/emptinesscheck.hh (emptiness_check::emptiness_check):
	New, take the automaton to work on, and store it ...
	(emptiness_check::aut_): ... in this new attribute.
	(emptiness_check::tgba_emptiness_check): Rename as ...
	(emptiness_check::check): ... this, and remove the automata
	argument.
	(emptiness_check::counter_example, emptiness_check::print_result,
	emptiness_check::remove_component, emptiness_check::accepting_path,
	emptiness_check::complete_cycle): Remove the automata argument.
	* src/tgbaalgos/emptinesscheck.cc, src/tgbatest/ltl2tgba.cc,
	iface/gspn/ltlgspn.cc: Adjust.

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	* src/tgbaalgos/emptinesscheck.hh (connected_component::not_null,
	connected_component::transition_acc,
	connected_component::nb_transition,
	connected_component::nb_state): Remove these unused attributes.
	(connected_component::connected_component): Merge the two
	definitions into one.
	(connected_component::~connected_component): Remove.
	(connected_component::isAccepted): Delete, unused.
	* src/tgbaalgos/emptinesscheck.cc
	(connected_component::connected_component,
	connected_component::~connected_component): Adjust.
	(connected_component::isAccepted): Delete.
	(spot):

	* src/tgbatest/emptchk.test: Typo.

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	* src/tgbaalgos/emptinesscheck.hh
	(emptiness_check::remove_component, emptiness_check::root_component,
	emptiness_check::seen_state_num, emptiness_check::suffix): Move in
	private part.
	(emptiness_check::arc_accepting, emptiness_check::todo): Move ...
	* src/tgbaalgos/emptinesscheck.cc
	(emptiness_check::tgba_emptiness_check): ... as local variables
	of this function.
	* src/tgbaalgos/emptinesscheck.hh (emptiness_check::vec_component):
	Move ...
	(emptiness_check::counter_example): ... as local variable of this
	function.
	* src/tgbaalgos/emptinesscheck.hh (pair_state_iter, triplet):
	Move ...
	* src/tgbaalgos/emptinesscheck.cc (pair_state_iter, triplet):
	... here.

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	* src/tgbaalgos/emptinesscheck.cc (emptiness_check::print_result):
	Indent output as in the magic search.

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	* src/tgbatest/spotlbtt.test: Add notice about long run time.

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	Merge emptinesscheckexplicit into ltl2tgba.
	* src/tgbatest/Makefile.am (check_PROGRAMS): Remove
	emptinesscheckexplicit.
	(emptinesscheckexplicit_SOURCES): Remove.
	(TESTS): Replace emptinesscheckexplicit.test by emptchke.test.
	* src/tgbatest/emptinesscheckexplicit.cc,
	src/tgbatest/emptinesscheckexplicit.test: Delete.
	* src/tgbatest/empchke.test: New file.
	* src/tgbatest/ltl2tgba.cc: Add support for -X.

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	Merge emptiness-checks tests into ltl2tgba.
	* 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.

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	* src/tgbaalgos/emptinesscheck.cc
	(emptiness_check::tgba_emptiness_check): Do not print anything.
	(emptiness_check::counter_example): Assume that tgba_emptiness_check
	has already been called.

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	* src/tgbaalgos/emptinesscheck.hh, src/tgbaalgos/emptinesscheck.cc
	(emptiness_check::seq_counter, emptiness_check::periode): Rename as ...
	(emptiness_check::prefix, emptiness_check::period): ... these.

Alexandre Duret-Lutz's avatar