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unabbreviate: add new rules based on eventual/universal arguments

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Based on a report by Simon Jantsch.  Fixes #362.

* NEWS, doc/tl/tl.tex: Mention the new rules.
* spot/tl/unabbrev.cc: Implement them.
* tests/core/unabbrevwm.test: Test them.
* tests/python/randltl.ipynb: Adjust.
This commit is contained in:
Alexandre Duret-Lutz 2018-10-01 17:41:10 +02:00
parent 0de334d783
commit 82a152c38a
5 changed files with 96 additions and 64 deletions
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10
NEWS
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@ -37,6 +37,16 @@ New in spot 2.6.2.dev (not yet released)
formula::F(unsigned, unsigned, formula)
formula::G(unsigned, unsigned, formula)
- spot::unabbreviate(), used to rewrite away operators such as M or
W, learned to use some shorter rewritings when an argument (e) is
a pure eventuality or (u) is purely universal:
Fe = e
Gu = u
f R u = u
f M e = F(f & e)
f W u = G(f | u)
- The twa_graph class has a new dump_storage_as_dot() method
to show its data structure. This is more conveniently used
as aut.show_storage() in a Jupyter notebook. See