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Algorithm Development Kit 1.0 |
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java.lang.Objectalgs.model.problems.eightpuzzle.WeakEvaluator
public class WeakEvaluator
Weak evaluation function, as drawn from Nilsson, p. 56.
Constructor Summary | |
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WeakEvaluator()
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Method Summary | |
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int |
eval(INode state)
Eval = g(n) + W(n), where g(n) is length of the path from initial to node n, and W(n) counts number of misplaced tiles in the state description |
void |
score(INode state)
Evaluate the given state and update its score using our scoring function. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public WeakEvaluator()
Method Detail |
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public void score(INode state)
IScore
score
in interface IScore
state
- The board state whose score value is to be updated.IScore.score(INode)
public int eval(INode state)
eval
in interface IScore
state
- state being evaluatedIScore.score(INode)
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