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

support for semi-deterministic property

Browse source 
* spot/twa/twa.hh (prop_semi_deterministic): New methods.
* spot/parseaut/parseaut.yy, spot/twaalgos/hoa.cc: Add support for the
semi-deterministic property.
* doc/org/concepts.org, doc/org/hoa.org: Document it.
* spot/twaalgos/isdet.cc,
spot/twaalgos/isdet.hh (is_semi_deterministic): New function.
* bin/autfilt.cc: Add --is-semi-deterministic.
* bin/common_aoutput.cc: Add --check=semi-deterministic.
* tests/core/semidet.test: New file.
* tests/Makefile.am: Add it.
* tests/core/parseaut.test, tests/core/readsave.test: Adjust.
This commit is contained in:
Alexandre Duret-Lutz 2016-12-29 16:37:43 +01:00
parent db5d9780f1
commit 4b01387817
14 changed files with 265 additions and 50 deletions
Download patch file Download diff file Expand all files Collapse all files

43
spot/twa/twa.hh
View file

@ -991,6 +991,7 @@ namespace spot
trival::repr_t unambiguous:2; // Unambiguous automaton.
trival::repr_t stutter_invariant:2; // Stutter invariant language.
trival::repr_t very_weak:2; // very-weak, or 1-weak
trival::repr_t semi_deterministic:2; // semi-deterministic automaton.
};
union
{
@ -1285,16 +1286,17 @@ namespace spot
/// \brief Set the deterministic property.
///
/// Setting the "deterministic" property automatically
/// sets the "unambiguous" property.
/// Setting the "deterministic" property automatically sets the
/// "unambiguous" and "semi-deterministic" properties.
///
/// \see prop_unambiguous()
/// \see prop_semi_deterministic()
void prop_deterministic(trival val)
{
is.deterministic = val.val();
if (val)
// deterministic implies unambiguous
is.unambiguous = val.val();
// deterministic implies unambiguous and semi-deterministic
is.unambiguous = is.semi_deterministic = val.val();
}
/// \brief Whether the automaton is unambiguous
@ -1328,6 +1330,36 @@ namespace spot
is.deterministic = val.val();
}
/// \brief Whether the automaton is semi-deterministic
///
/// An automaton is semi-deterministic if the sub-automaton
/// reachable from any accepting SCC is deterministic.
///
/// Note that this method may return trival::maybe() when it is
/// unknown whether the automaton is semi-deterministic or not.
/// If you need a true/false answer, prefer the
/// is_semi_deterministic() function.
///
/// \see prop_deterministic()
/// \see is_semi_deterministic()
trival prop_semi_deterministic() const
{
return is.semi_deterministic;
}
/// \brief Sets the semi-deterministic property
///
/// Marking an automaton as "non semi-deterministic" automatically
/// marks it as "non deterministic".
///
/// \see prop_deterministic()
void prop_semi_deterministic(trival val)
{
is.semi_deterministic = val.val();
if (!val)
is.deterministic = val.val();
}
/// \brief Whether the automaton is stutter-invariant.
///
/// An automaton is stutter-invariant iff any accepted word
@ -1436,6 +1468,7 @@ namespace spot
if (p.deterministic)
{
prop_deterministic(other->prop_deterministic());
prop_semi_deterministic(other->prop_semi_deterministic());
prop_unambiguous(other->prop_unambiguous());
}
if (p.stutter_inv)
@ -1455,11 +1488,13 @@ namespace spot
{
prop_terminal(trival::maybe());
prop_weak(trival::maybe());
prop_very_weak(trival::maybe());
prop_inherently_weak(trival::maybe());
}
if (!p.deterministic)
{
prop_deterministic(trival::maybe());
prop_semi_deterministic(trival::maybe());
prop_unambiguous(trival::maybe());
}
if (!p.stutter_inv)