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

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