alarsyo/spot
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

acd: add support for state-based output

Browse source 
* spot/twaalgos/zlktree.hh, spot/twaalgos/zlktree.cc (acd::node_level,
acd::state_step, acd_transform_sbacc): New public functions.
* tests/python/zlktree.ipynb, tests/python/zlktree.py: More tests.
* NEWS: Typo.
This commit is contained in:
Alexandre Duret-Lutz 2021-09-24 13:37:16 +02:00
parent 043a1dc394
commit 70ede35702
5 changed files with 2621 additions and 129 deletions
Download patch file Download diff file Expand all files Collapse all files

21
spot/twaalgos/zlktree.hh
View file

@ -222,6 +222,13 @@ namespace spot
std::pair<unsigned, unsigned>
step(unsigned branch, unsigned edge) const;
/// \brief Step through the ACD, with rules for state-based output.
///
/// Given a \a node number, and an edge, this returns
/// the new node to associate to the destination state. This
/// node is not necessarily a leave, and its level should be
/// the level for the output state.
unsigned state_step(unsigned node, unsigned edge) const;
/// \brief Return the list of edges covered by node n of the ACD.
///
@ -239,6 +246,9 @@ namespace spot
/// This is mostly used for interactive display.
bool node_acceptance(unsigned n) const;
/// Return the level of a node.
unsigned node_level(unsigned n);
/// \brief Whether the ACD corresponds to a min even or min odd
/// parity acceptance in SCC \a scc.
bool is_even(unsigned scc) const
@ -392,7 +402,18 @@ namespace spot
/// if the input has n colors. If \colored is unsed (the default),
/// output transitions will use at most one color, and output
/// automaton will use at most n colors.
///
/// The acd_tranform() is the original function producing
/// optimal transition-based output (optimal in the sense of least
/// number of duplicated states), while the acd_tansform_sbacc() variant
/// produces state-based output from transition-based input and without
/// any optimality claim.
/// @{
SPOT_API
twa_graph_ptr acd_transform(const const_twa_graph_ptr& aut,
bool colored = false);
SPOT_API
twa_graph_ptr acd_transform_sbacc(const const_twa_graph_ptr& aut,
bool colored = false);
/// @}
}