twagraph: remove bddfalse edges in purge_dead_states

* spot/twa/twagraph.cc (purge_dead_states): Be bddfalse-aware!
* spot/twa/twagraph.hh, NEWS: Document this.
* tests/python/alternating.py, tests/python/twagraph.py: Add some
test cases.
This commit is contained in:
Alexandre Duret-Lutz 2021-11-19 22:13:20 +01:00
parent 59690dd041
commit 5f49209caf
5 changed files with 33 additions and 6 deletions

5
NEWS
View file

@ -1,6 +1,9 @@
New in spot 2.10.1.dev (not yet released)
Nothing yet.
Bugs fixed:
- twa_graph::purge_dead_states() now also removes edges labeled by
bddfalse.
New in spot 2.10.1 (2021-11-19)