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* NEWS: Mention recent changes.

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Alexandre Duret-Lutz 2013-04-27 10:51:56 +02:00
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NEWS
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@ -1,5 +1,12 @@
New in spot 1.0.2a (not released): New in spot 1.0.2a (not released):
Several of the new features described below are discribed in
Tomáš Babiak, Thomas Badie, Alexandre Duret-Lutz, Mojmír
Křetínský, Jan Strejček: Compositional Approach to Suspension and
Other Improvements to LTL Translation. To appear in the
proceedings of SPIN'13.
* New features in the library: * New features in the library:
- The postprocessor class now takes an optional option_map - The postprocessor class now takes an optional option_map
@ -17,12 +24,12 @@ New in spot 1.0.2a (not released):
level reset, level caching, and SCC-based ordering. The former level reset, level caching, and SCC-based ordering. The former
two are enabled by default. Benchmarking has shown that the two are enabled by default. Benchmarking has shown that the
latter one does not always have a positive effect, so it is latter one does not always have a positive effect, so it is
disabled by default. disabled by default. (See SPIN'13 paper.)
- The scc_filter() function, which removes dead SCCs and also - The scc_filter() function, which removes dead SCCs and also
simplify acceptance conditions, has learnt how to simplify simplify acceptance conditions, has learnt how to simplify
acceptance conditions in a few tricky situations that were not acceptance conditions in a few tricky situations that were not
simplified previously. simplified previously. (See SPIN'13 paper.)
- An experimental "don't care" (direct) simulation has been - An experimental "don't care" (direct) simulation has been
implemented. This simulations consider the acceptance implemented. This simulations consider the acceptance
@ -40,11 +47,21 @@ New in spot 1.0.2a (not released):
from the command-line using ltlfilt's --stutter-insensitive from the command-line using ltlfilt's --stutter-insensitive
option. option.
- A new translation, called compsusp(), for "Compositional
Suspension" is implemented on top of ltl_to_tgba_fm().
(See SPIN'13 paper.)
- Some experimental LTL rewriting rules that trie to gather
suspendable formulas are implemented and can be activated
with the favor_event_univ option of ltl_simplifier. As
always please check doc/tl/tl.tex for the list of rules.
* Command-line tools: * Command-line tools:
- ltl2tgba and ltl2tgta now honor a new --extra-options (or -x) - ltl2tgba and ltl2tgta now honor a new --extra-options (or -x)
flag to fine-tune the algorithms used. The available options flag to fine-tune the algorithms used. The available options
are documented in the spot-x (7) manpage. are documented in the spot-x (7) manpage. For instance use '-x
comp-susp' to use the afore-mentioned compositional suspension.
- The output format of 'ltlcross --json' has been changed slightly. - The output format of 'ltlcross --json' has been changed slightly.
In a future version we will offer some reporting script that turn In a future version we will offer some reporting script that turn