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ConsistencyOfDatabaseFrequencyTables

problemreductions::models::misc

Struct ConsistencyOfDatabaseFrequencyTables 

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pub struct ConsistencyOfDatabaseFrequencyTables { /* private fields */ }
Expand description

The Consistency of Database Frequency Tables decision problem.

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impl ConsistencyOfDatabaseFrequencyTables

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pub fn new( num_objects: usize, attribute_domains: Vec<usize>, frequency_tables: Vec<FrequencyTable>, known_values: Vec<KnownValue>, ) -> Self

Create a new consistency-of-database-frequency-tables instance. Input parameter counts and the table-assignment witness length must fit in usize.

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pub fn num_objects(&self) -> usize

Returns the number of objects.

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pub fn num_attributes(&self) -> usize

Returns the number of attributes.

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pub fn attribute_domains(&self) -> &[usize]

Returns the attribute-domain sizes.

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pub fn frequency_tables(&self) -> &[FrequencyTable]

Returns the published frequency tables.

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pub fn known_values(&self) -> &[KnownValue]

Returns the known values.

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pub fn max_domain_size(&self) -> usize

Largest attribute domain; one for no attributes, whose assignment count is one.

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pub fn total_domain_size(&self) -> usize

Returns the sum of all attribute-domain sizes.

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pub fn num_assignment_variables(&self) -> usize

Returns the number of object-attribute assignment variables in the direct encoding.

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pub fn num_frequency_tables(&self) -> usize

Returns the number of published frequency tables.

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pub fn num_known_values(&self) -> usize

Returns the number of known value constraints.

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pub fn num_frequency_cells(&self) -> usize

Returns the total number of published frequency-table cells.

Trait Implementations§

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impl BruteForceProblem for ConsistencyOfDatabaseFrequencyTables

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fn dimensions(&self) -> Vec<usize>

Cardinality of each coordinate in the brute-force search space.
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fn num_variables(&self) -> usize

Number of coordinates in the brute-force search space.
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impl Clone for ConsistencyOfDatabaseFrequencyTables

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fn clone(&self) -> ConsistencyOfDatabaseFrequencyTables

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

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

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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 DeclaredVariant for ConsistencyOfDatabaseFrequencyTables

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impl<'de> Deserialize<'de> for ConsistencyOfDatabaseFrequencyTables

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Eq for ConsistencyOfDatabaseFrequencyTables

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impl PartialEq for ConsistencyOfDatabaseFrequencyTables

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

Equality operator ==. Read more
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fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl Problem for ConsistencyOfDatabaseFrequencyTables

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const NAME: &'static str = "ConsistencyOfDatabaseFrequencyTables"

Base name of this problem type (e.g., “MaximumIndependentSet”).
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type Solution = Vec<usize>

Mathematical witness type for this problem.
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type Value = Or

The evaluation value type.
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fn parameter_names() -> &'static [&'static str]

Canonical parameter names for this problem model.
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fn parameters(&self) -> ProblemParameters

Measure the complete canonical parameters of this concrete instance.
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fn variant() -> Vec<(&'static str, &'static str)>

Returns variant attributes derived from type parameters. Read more
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fn evaluate(&self, config: &Self::Solution) -> Result<Or, EvaluationError>

Evaluate the problem on a solution.
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fn problem_type() -> ProblemType

Look up this problem’s catalog entry. Read more
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impl ReduceTo<ILP> for ConsistencyOfDatabaseFrequencyTables

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type Result = ReductionCDFTToILP

The reduction result type.
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fn reduce_to(&self) -> Result<Self::Result, ReductionError>

Reduce this problem to the target problem type.
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fn target_construction(error: ConstructionError) -> ReductionError
where Self: Sized,

Attach this reduction edge to a target-construction failure.
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fn exact_i64( value: usize, operation: impl Into<String>, ) -> Result<i64, ReductionError>
where Self: Sized,

Convert a structural count used by the target’s exact integer algebra.
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impl Serialize for ConsistencyOfDatabaseFrequencyTables

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl StructuralPartialEq for ConsistencyOfDatabaseFrequencyTables

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impl<T> Any for T
where T: 'static + ?Sized,

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Gets the TypeId of self. Read more
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fn borrow_mut(&mut self) -> &mut T

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

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> DynProblem for T
where T: Problem + Serialize + 'static, <T as Problem>::Solution: DeserializeOwned, <T as Problem>::Value: SolutionAggregate + Display + Serialize,

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fn aggregate_witness_evaluation( &self, value: &Value, ) -> Result<Option<String>, EvaluationError>

Whether a completed aggregate admits a representative witness.
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fn evaluate_dyn(&self, solution: &Value) -> Result<String, EvaluationError>

Evaluate a configuration and return the CLI-facing metric string.
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fn evaluate_json(&self, solution: &Value) -> Result<Value, EvaluationError>

Evaluate a configuration and return the result as a serializable JSON value.
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fn evaluate_witness_dyn( &self, solution: &Value, ) -> Result<Option<String>, EvaluationError>

Evaluate a candidate witness, returning None when it is infeasible. This validates feasibility, not global optimality.
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fn serialize_json(&self) -> Value

Serialize the problem to a JSON value.
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Downcast to &dyn Any for type recovery.
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fn problem_name(&self) -> &'static str

Return the problem name (Problem::NAME).
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fn variant_map(&self) -> BTreeMap<String, String>

Return the variant key-value map.
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fn parameter_names_dyn(&self) -> &'static [&'static str]

Return this problem model’s canonical parameter names.
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fn parameters_dyn(&self) -> ProblemParameters

Measure the complete canonical parameters of this concrete instance.
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Compare self to key and return true if they are equal.
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where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

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fn from(t: T) -> T

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