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Modified heuristics

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This commit is contained in:
Stefan Ellmauthaler 2022-06-24 16:06:51 +02:00
parent 55e6c30472
commit 83b403baf2
Failed to extract signature
1 changed files with 6 additions and 21 deletions
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27
lib/src/adf/heuristics.rs
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@ -43,7 +43,7 @@ pub(crate) fn heu_mc_minpaths_maxvarimp(adf: &Adf, interpr: &[Term]) -> Option<(
.map(|(var, term)| {
(
Var::from(var),
(!adf.bdd.paths(*term, true).more_models()).into(),
adf.bdd.paths(*term, true).more_models().into(),
)
})
}
@ -71,7 +71,7 @@ pub(crate) fn heu_mc_maxvarimp_minpaths(adf: &Adf, interpr: &[Term]) -> Option<(
.map(|(var, term)| {
(
Var::from(var),
(!adf.bdd.paths(*term, true).more_models()).into(),
adf.bdd.paths(*term, true).more_models().into(),
)
})
}
@ -84,10 +84,10 @@ pub enum Heuristic<'a> {
/// This will just take the first not decided variable and maps it value to (`true`)[Term::TOP].
Simple,
/// Implementation of a heuristic, which which uses minimal number of [paths][crate::obdd::Bdd::paths] and maximal [variable-impact][crate::obdd::Bdd::passive_var_impact to identify the variable to be set.
/// As the value of the variable value with the minimal model-path is chosen.
/// As the value of the variable value with the maximal model-path is chosen.
MinModMinPathsMaxVarImp,
/// Implementation of a heuristic, which which uses maximal [variable-impact][crate::obdd::Bdd::passive_var_impact] and minimal number of [paths][crate::obdd::Bdd::paths] to identify the variable to be set.
/// As the value of the variable value with the minimal model-path is chosen.
/// As the value of the variable value with the maximal model-path is chosen.
MinModMaxVarImpMinPaths,
/// Allow passing in an externally-defined custom heuristic.
#[strum(disabled)]
@ -104,8 +104,8 @@ impl std::fmt::Debug for Heuristic<'_> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Self::Simple => write!(f, "Simple"),
Self::MinModMinPathsMaxVarImp => write!(f, "Minimal model count as value and minimum paths with maximal variable impact as variable choice"),
Self::MinModMaxVarImpMinPaths => write!(f, "Minimal model count as value and maximal variable impact with minimum paths as variable choice"),
Self::MinModMinPathsMaxVarImp => write!(f, "Maximal model-path count as value and minimum paths with maximal variable impact as variable choice"),
Self::MinModMaxVarImpMinPaths => write!(f, "Maximal model-path count as value and maximal variable impact with minimum paths as variable choice"),
Self::Custom(_) => f.debug_tuple("Custom function").finish(),
}
}
@ -121,18 +121,3 @@ impl Heuristic<'_> {
}
}
}
// impl FromStr for Heuristic<'_> {
// type Err = ();
// fn from_str(s: &str) -> Result<Self, Self::Err> {
// match s {
// "simple" => Ok(Self::Simple),
// "MinmcMinpathsMaxvarimp" => Ok(Self::MinModMinPathsMaxVarImp),
// _ => {
// log::info!("Unknown heuristic {s}");
// Err(())
// }
// }
// }
// }