1. 20 Jun, 2014 9 commits
    • Alexandre Duret-Lutz's avatar
      Adjust some uses of bddtrue/bddfalse. · 4df4b4ef
      Alexandre Duret-Lutz authored
      * src/tgbaalgos/dtgbasat.cc, src/tgbaalgos/eltl2tgba_lacim.cc,
      src/tgbaalgos/simulation.cc, src/tgbaalgos/tau03opt.cc: Fix
      cases where bddtrue and bddfalse where used in a ternary operator.
      * src/sanity/style.test: Allow bdd_true()/bdd_false() to be
      used in ternary operators.
      4df4b4ef
    • Alexandre Duret-Lutz's avatar
      sccfilter: improve the new version to simplify acceptance sets · af6cb049
      Alexandre Duret-Lutz authored
      * src/tgbaalgos/sccinfo.cc, src/tgbaalgos/sccinfo.hh: Implement
      the acc_filter_simplify filter, and generalize composition to
      be n-ary.
      * src/tgbaalgos/sccfilter.cc (used_acc): New method.
      af6cb049
    • Alexandre Duret-Lutz's avatar
    • Alexandre Duret-Lutz's avatar
      sccfilter: implement a new version of tgba_digraph · 13673a14
      Alexandre Duret-Lutz authored
      The new version currently supports removal of useless state as well as
      removal of acceptance sets from non-accepting SCCs (the two versions).
      It does not yet support simplifation of acceptance sets and removal of
      suspendable formulae.  However the design, using filters that are
      composed before being applied, should make it easier to implement.
      
      * src/tgbaalgos/sccfilter.cc, src/tgbaalgos/sccfilter.hh: Implement
      the new scc_filter and supporting classes.
      * src/tgbaalgos/simulation.cc, src/tgbaalgos/simulation.hh: Use it.
      The simulation now always return a tgba_digraph.
      * src/tgbatest/sim.test: Adjust.
      13673a14
    • Alexandre Duret-Lutz's avatar
      simulation: build tgba_digraph · e299a3d1
      Alexandre Duret-Lutz authored
      * src/tgbaalgos/simulation.cc: Buid a tgba_digraph as the result of the
      simulation.
      * src/tgba/tgbagraph.hh (create_namer): New function.
      * src/tgbatest/basimul.test: Add an additional test case that caused a
      bug fixed in a previous patch.
      * src/tgbatest/sim.test: Adjust.
      e299a3d1
    • Alexandre Duret-Lutz's avatar
      ngraph: support aliasing states · 31bf8c2c
      Alexandre Duret-Lutz authored
      * src/graph/ngraph.hh (alias_state): New method.
      * src/graphtest/ngraph.cc: Use it.
      31bf8c2c
    • Alexandre Duret-Lutz's avatar
      tgbagraph: add a merge_transitions() method. · 424de903
      Alexandre Duret-Lutz authored
      * src/graph/graph.hh: Add some framework to erase transitions, and
      defrag the resulting transitions_ vector on demand.  Also remove
      the nb_states() and nb_transitions() because num_states() and
      num_transitions() already exist.
      * src/graphtest/graph.cc, src/graphtest/ngraph.cc: Adjust to
      use num_states().
      * src/tgba/tgbagraph.hh (merge_transitions): New method.
      * src/misc/hash.hh: Add a pair_hash class, needed by
      merge_transitions().
      * src/graphtest/tgbagraph.cc, src/graphtest/tgbagraph.test: Add states
      for transitions removal and merge_transitions().
      424de903
    • Alexandre Duret-Lutz's avatar
      implement scc_filter_states for tgba_digraph · 9909699c
      Alexandre Duret-Lutz authored
      * src/tgbaalgos/sccfilter.cc,
      src/tgbaalgos/sccfilter.hh (scc_filter_states): New overload taking
      a tgba_digraph and some scc_info.
      9909699c
    • Alexandre Duret-Lutz's avatar
      Implement an scc_info class that should eventually replace scc_map. · 9903ae2f
      Alexandre Duret-Lutz authored
      * src/graph/graph.hh (trans_iterator): Add operator->() and operator
      bool().
      * src/tgbaalgos/sccinfo.cc, src/tgbaalgos/sccinfo.hh: New files.
      * src/tgbaalgos/Makefile.am: Add them.
      * src/tgbatest/ltl2tgba.cc: Use the new dump_scc_info_dot() function.
      9903ae2f
  2. 23 May, 2014 7 commits
  3. 20 May, 2014 4 commits
  4. 16 May, 2014 2 commits
    • Alexandre Duret-Lutz's avatar
      * src/ltltest/equals.cc: Fix style. · 7bcf6553
      Alexandre Duret-Lutz authored
      7bcf6553
    • Alexandre Duret-Lutz's avatar
      snf: Fix the handling of bounded repetition. · 05ed3def
      Alexandre Duret-Lutz authored
      star_normal_form() used to be called under bounded
      repetitions like [*0..4], but some of these rewritings
      are only correct for [*0..].  For instance
           (a*|1)[*]      can be rewritten to    1[*]
      but  (a*|1)[*0..1]  cannot be rewritten to 1[*0..1]
      it would be correct to rewrite the latter as (a[+]|1)[*0..1],
      canceling the empty word in a*.
      
      Also (a*;b*)[*]     can be rewritten to    (a|b)[*]
      but  (a*;b*)[*0..1]  cannot be rewritten to (a|b)[*0..1]
      and it cannot either be rewritten to (a[+]|b[+])[*0..1].
      
      This patch introduces a new function to implement
      rewritings under bounded repetition.
      
      * src/ltlvisit/snf.hh, src/ltlvisit/snf.cc (star_normal_form_unbounded):
      New function.
      * src/ltlvisit/simplify.cc: Use it.
      * src/ltltest/reduccmp.test: Add tests.
      * doc/tl/tl.tex: Document the rewritings implemented.
      05ed3def
  5. 15 May, 2014 3 commits
  6. 14 May, 2014 1 commit
    • Alexandre Duret-Lutz's avatar
      doc: update bibliographic references · 97617037
      Alexandre Duret-Lutz authored
      * doc/org/satmin.org, src/bin/man/dstar2tgba.x, src/bin/man/ltl2tgba.x:
      Cite the FORTE'14 paper.
      * doc/org/tools.org, src/bin/man/ltl2tgba.x: Replace the VECOS'11
      citation by IJCCBS'14.
      * src/bin/man/ltl2tgba.x: Cite SPIN'13.
      97617037
  7. 13 May, 2014 4 commits
  8. 28 Apr, 2014 1 commit
  9. 24 Apr, 2014 1 commit
  10. 11 Apr, 2014 1 commit
  11. 07 Apr, 2014 5 commits
  12. 03 Apr, 2014 1 commit
  13. 27 Mar, 2014 1 commit