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

PowFloatFunction(ValueSource a, ValueSource b)

Method Summary

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

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)

Specified by:

func in class DualFloatFunction