Package org.apache.lucene.queries.function.valuesource

Class PowFloatFunction

java.lang.Object

org.apache.lucene.queries.function.ValueSource

org.apache.lucene.queries.function.valuesource.DualFloatFunction

org.apache.lucene.queries.function.valuesource.PowFloatFunction

public class PowFloatFunction
extends DualFloatFunction

Function to raise the base "a" to the power "b"

Field Summary

Fields inherited from class org.apache.lucene.queries.function.valuesource.DualFloatFunction

a, b

Constructor Summary

Constructors

Constructor	Description
PowFloatFunction(ValueSource a, ValueSource b)

Method Summary

Modifier and Type	Method	Description
protected float	func(int doc, FunctionValues aVals, FunctionValues bVals)
protected String	name()

Methods inherited from class org.apache.lucene.queries.function.valuesource.DualFloatFunction

createWeight, description, equals, getValues, hashCode

Methods inherited from class org.apache.lucene.queries.function.ValueSource

asDoubleValuesSource, asLongValuesSource, fromDoubleValuesSource, getSortField, newContext, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

PowFloatFunction

public PowFloatFunction(ValueSource a,
                        ValueSource b)

Parameters:

a - the base.

b - the exponent.

Method Detail

name

protected String name()

Specified by:

name in class DualFloatFunction

func

protected float func(int doc,
                     FunctionValues aVals,
                     FunctionValues bVals)
              throws IOException

Specified by:

func in class DualFloatFunction

Throws:

IOException