de.uka.ilkd.key.strategy.quantifierHeuristics

Class ExistentiallyConnectedFormulasFeature

java.lang.Object

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

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

de.uka.ilkd.key.strategy.quantifierHeuristics.ExistentiallyConnectedFormulasFeature

All Implemented Interfaces:

Feature

public class ExistentiallyConnectedFormulasFeature
extends BinaryTacletAppFeature

Binary feature that return zero if two given projection term is CS-Releated.

Field Summary

Fields

Modifier and Type	Field and Description
private ProjectionToTerm	for0
private ProjectionToTerm	for1

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

TOP_COST, ZERO_COST

Constructor Summary

Constructors

Modifier	Constructor and Description
private	ExistentiallyConnectedFormulasFeature(ProjectionToTerm for0, ProjectionToTerm for1)

Method Summary

Modifier and Type	Method and Description
static Feature	create(ProjectionToTerm for0, ProjectionToTerm for1)
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.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

for0

private final ProjectionToTerm for0

for1

private final ProjectionToTerm for1

Constructor Detail

ExistentiallyConnectedFormulasFeature

private ExistentiallyConnectedFormulasFeature(ProjectionToTerm for0,
                                              ProjectionToTerm for1)

Method Detail

create

public static Feature create(ProjectionToTerm for0,
                             ProjectionToTerm for1)

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.