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DegreeNorm

qualia_core_db::solvers::fuzzy_query

Enum DegreeNorm 

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pub enum DegreeNorm {
    Godel,
    Product,
    Lukasiewicz,
}
Expand description

Which fuzzy-logic operator family combines solution degrees. Each variant dispatches to the corresponding operator in crate::modalities::fuzzy (reuse, not a re-implementation).

Variants§

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Godel

Gödel: and = min, or = max. The standard f-SPARQL default.

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Product

Product: and = a·b, or = a + b − a·b.

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Lukasiewicz

Łukasiewicz: and = max(0, a+b−1), or = min(1, a+b).

Implementations§

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impl DegreeNorm

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pub fn and(self, a: f64, b: f64) -> f64

Conjunction of two degrees (t-norm).

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pub fn or(self, a: f64, b: f64) -> f64

Disjunction of two degrees (t-conorm).

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pub fn not(self, a: f64) -> f64

Fuzzy complement (1 − a), shared with the modality layer.

Trait Implementations§

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impl Clone for DegreeNorm

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fn clone(&self) -> DegreeNorm

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for DegreeNorm

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for DegreeNorm

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fn default() -> DegreeNorm

Returns the “default value” for a type. Read more
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impl PartialEq for DegreeNorm

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fn eq(&self, other: &DegreeNorm) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for DegreeNorm

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impl Eq for DegreeNorm

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impl StructuralPartialEq for DegreeNorm

Auto Trait Implementations§

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
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fn equivalent(&self, key: &K) -> bool

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fn into_either(self, into_left: bool) -> Either<Self, Self>

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