org.apache.lucene.util

Class MathUtil

java.lang.Object

org.apache.lucene.util.MathUtil

public final class MathUtil
extends Object

Math static utility methods.

Method Summary

Methods

Modifier and Type	Method and Description
static int	log(long x, int base) Returns x <= 0 ? 0 : Math.floor(Math.log(x) / Math.log(base))

Methods inherited from class java.lang.Object

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

Method Detail

log

public static int log(long x,
      int base)

Returns x <= 0 ? 0 : Math.floor(Math.log(x) / Math.log(base))

Parameters:

base - must be > 1