org.matheclipse.core.patternmatching

Class HashedPatternRules

java.lang.Object

org.matheclipse.core.patternmatching.AbstractHashedPatternRules

org.matheclipse.core.patternmatching.HashedPatternRules

public class HashedPatternRules
extends AbstractHashedPatternRules

Data structure for HashedOrderlessMatcher. To set up a rule like
Sin[x]^2+Cos[x]^2 -> 1
use the method:
setUpHashRule("Sin[x_]^2", "Cos[x_]^2", "1")

Field Summary

Fields inherited from class org.matheclipse.core.patternmatching.AbstractHashedPatternRules

fLHSPattern1, fLHSPattern2, fRulesData, hash1, hash2, hashSum

Constructor Summary

Constructors

Constructor and Description
HashedPatternRules(IExpr lhsPattern1, IExpr lhsPattern2, IExpr rhsResult, boolean defaultHashCode)
HashedPatternRules(IExpr lhsPattern1, IExpr lhsPattern2, IExpr rhsResult, IExpr condition, boolean defaultHashCode)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj)
IExpr	evalDownRule(IExpr e1, IExpr e2)
IExpr	getCondition() Get the Condition for this rule.
IExpr	getRHS()
RulesData	getRulesData() Get (or create) the rule {<first-left-hand-side>, <second-left-hand-side>}:=<right-hand-side>

Methods inherited from class org.matheclipse.core.patternmatching.AbstractHashedPatternRules

calculateHashcode, getHash1, getHash2, hashCode, isPattern1, isPattern2

Methods inherited from class java.lang.Object

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

Constructor Detail

HashedPatternRules

public HashedPatternRules(IExpr lhsPattern1,
                          IExpr lhsPattern2,
                          IExpr rhsResult,
                          boolean defaultHashCode)

Parameters:

lhsPattern1 - first left-hand-side pattern

lhsPattern2 - second left-hand-side pattern

rhsResult - the right-hand-side result

defaultHashCode -

HashedPatternRules

public HashedPatternRules(IExpr lhsPattern1,
                          IExpr lhsPattern2,
                          IExpr rhsResult,
                          IExpr condition,
                          boolean defaultHashCode)

Parameters:

lhsPattern1 - first left-hand-side pattern

lhsPattern2 - second left-hand-side pattern

rhsResult - the right-hand-side result

condition - a condition test

defaultHashCode - TODO

Method Detail

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

getRHS

public IExpr getRHS()

Returns:

the right-hand-side result

getCondition

public IExpr getCondition()

Get the Condition for this rule.

Returns:

may return null.

getRulesData

public RulesData getRulesData()

Get (or create) the rule {<first-left-hand-side>, <second-left-hand-side>}:=<right-hand-side>

Returns:

evalDownRule

public IExpr evalDownRule(IExpr e1,
                          IExpr e2)

Specified by:

evalDownRule in class AbstractHashedPatternRules