Class StandardHeuristic
Provides the standard UniqueIn*
heuristics.
Inheritance
Implements
Inherited Members
Namespace: SudokuSpice.RuleBased.Heuristics
Assembly: SudokuSpice.dll
Syntax
public class StandardHeuristic : IHeuristic
Constructors
| Improve this Doc View SourceStandardHeuristic(IMissingRowValuesTracker, IMissingColumnValuesTracker, IMissingBoxValuesTracker)
Creates a standard heuristic that combines the UniqueInRowHeuristic, UniqueInColumnHeuristic, and UniqueInBoxHeuristic.
Declaration
public StandardHeuristic(IMissingRowValuesTracker rowValuesTracker, IMissingColumnValuesTracker columnValuesTracker, IMissingBoxValuesTracker boxValuesTracker)
Parameters
Type | Name | Description |
---|---|---|
IMissingRowValuesTracker | rowValuesTracker | Something that tracks the possible values for each row. |
IMissingColumnValuesTracker | columnValuesTracker | Something that tracks the possible values for each column. |
IMissingBoxValuesTracker | boxValuesTracker | Something that tracks the possible values for each box. |
Methods
| Improve this Doc View SourceCopyWithNewReferences(IReadOnlyPuzzleWithMutablePossibleValues, ReadOnlySpan<IRule>)
Creates a deep copy of this heuristic. Requires rules
to contain an
IMissingBoxValuesTracker, an IMissingColumnValuesTracker,
and an IMissingRowValuesTracker.
Declaration
public IHeuristic CopyWithNewReferences(IReadOnlyPuzzleWithMutablePossibleValues puzzle, ReadOnlySpan<IRule> rules)
Parameters
Type | Name | Description |
---|---|---|
IReadOnlyPuzzleWithMutablePossibleValues | puzzle | |
System.ReadOnlySpan<IRule> | rules |
Returns
Type | Description |
---|---|
IHeuristic |
TryInitFor(IReadOnlyPuzzleWithMutablePossibleValues)
Tries to initialize this heuristic for solving the given puzzle.
Declaration
public bool TryInitFor(IReadOnlyPuzzleWithMutablePossibleValues puzzle)
Parameters
Type | Name | Description |
---|---|---|
IReadOnlyPuzzleWithMutablePossibleValues | puzzle | The puzzle to solve. |
Returns
Type | Description |
---|---|
System.Boolean | False if this heuristic cannot be initialized for the given puzzle, else true. |
Remarks
In general, it doesn't make sense to want to maintain the previous state if this method fails. Therefore, it is not guaranteed that the heuristic's state is unchanged on failure.
UndoLastUpdate()
Undoes the last modifications made by this heuristic.
Declaration
public void UndoLastUpdate()
UpdateAll()
Updates all the current possible values.
Declaration
public bool UpdateAll()
Returns
Type | Description |
---|---|
System.Boolean | Returns true if any modifications were made. |