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use the generic emptiness check

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* spot/twa/twa.cc (is_empty, intersects): Here.
* spot/twaalgos/sccinfo.cc (check_scc_emptiness): Here.
* spot/twaalgos/genem.cc: Report error if the input is alternating.
* spot/twaalgos/isunamb.cc, spot/twaalgos/sccinfo.hh: Adjust.
* NEWS: Mention the change.
This commit is contained in:
Alexandre Duret-Lutz 2018-07-24 10:54:36 +02:00
parent 86b6506268
commit da996ecbaf
6 changed files with 51 additions and 18 deletions
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NEWS
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@ -23,7 +23,9 @@ New in spot 2.6.0.dev (not yet released)
emptiness checks of twa_graph_ptr (i.e., automata not built
on-the-fly) with an *arbitrary* acceptance condition. Its sister
spot::generic_emptiness_check_scc() can be used to decide the
emptiness of an SCC.
emptiness of an SCC. This is now used by
twa_graph_ptr::is_empty(), twa_graph_ptr::intersects(), and
scc_info::determine_unknown_acceptance().
New in spot 2.6 (2018-07-04)