de.uka.ilkd.key.strategy.feature

Class TermSmallerThanFeature

java.lang.Object

de.uka.ilkd.key.strategy.feature.BinaryFeature

de.uka.ilkd.key.strategy.feature.BinaryTacletAppFeature

de.uka.ilkd.key.strategy.feature.SmallerThanFeature

de.uka.ilkd.key.strategy.feature.TermSmallerThanFeature

All Implemented Interfaces:

Feature

public class TermSmallerThanFeature
extends SmallerThanFeature

Feature that returns zero iff one term is smaller than another term in the current term ordering

Nested Class Summary

Nested classes/interfaces inherited from class de.uka.ilkd.key.strategy.feature.SmallerThanFeature

SmallerThanFeature.Collector

Field Summary

Fields

Modifier and Type	Field and Description
private ProjectionToTerm	left
private ProjectionToTerm	right

Fields inherited from class de.uka.ilkd.key.strategy.feature.BinaryFeature

TOP_COST, ZERO_COST

Constructor Summary

Constructors

Modifier	Constructor and Description
private	TermSmallerThanFeature(ProjectionToTerm left, ProjectionToTerm right)

Method Summary

Modifier and Type	Method and Description
static Feature	create(ProjectionToTerm left, ProjectionToTerm right)
protected boolean	filter(TacletApp app, PosInOccurrence pos, Goal goal) Compute whether the result of the feature is zero (true) or infinity (false)

Methods inherited from class de.uka.ilkd.key.strategy.feature.SmallerThanFeature

compare, lessThan, lessThan

Methods inherited from class de.uka.ilkd.key.strategy.feature.BinaryTacletAppFeature

filter

Methods inherited from class de.uka.ilkd.key.strategy.feature.BinaryFeature

computeCost

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

left

private final ProjectionToTerm left

right

private final ProjectionToTerm right

Constructor Detail

TermSmallerThanFeature

private TermSmallerThanFeature(ProjectionToTerm left,
                               ProjectionToTerm right)

Method Detail

create

public static Feature create(ProjectionToTerm left,
                             ProjectionToTerm right)

filter

protected boolean filter(TacletApp app,
                         PosInOccurrence pos,
                         Goal goal)

Description copied from class: BinaryTacletAppFeature

Compute whether the result of the feature is zero (true) or infinity (false)

Specified by:

filter in class BinaryTacletAppFeature

Parameters:

app - the TacletApp

pos - position where app is to be applied

goal - the goal on which app is to be applied

Returns:

true iff the the result of the feature is supposed to be zero.