org.hyperic.util.math
Class Average

java.lang.Object
  org.hyperic.util.math.Average

public class Average
extends java.lang.Object

Average implements general math functions for calculating averages.

Method Summary

static java.lang.Double	average(java.lang.Object values) Calculates the average of a values Array of java.lang.Number objects that contain a double value.
static java.lang.Double	runningAverage(java.lang.Object average, java.lang.Object next, int count)
static java.lang.Double	runningAverage(java.lang.Object average, java.lang.Object next, int count, float weight)
static java.lang.Double	weightedAverage(java.lang.Object values, java.lang.Object weights)

Methods inherited from class java.lang.Object

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

Method Detail

average

public static java.lang.Double average(java.lang.Object values)

Calculates the average of a values Array of java.lang.Number objects that contain a double value.

Parameters:

Object - Array reference

Returns:

Double

Throws:

None - - by design.

weightedAverage

public static java.lang.Double weightedAverage(java.lang.Object values,
                                               java.lang.Object weights)

Parameters:

The - values Object array reference.

The - weights Object array reference.

Returns:

Double containing weigted average.

runningAverage

public static java.lang.Double runningAverage(java.lang.Object average,
                                              java.lang.Object next,
                                              int count)

Parameters:

Current - average - Number with double value.

Next - value - Number with double value.

Current - index counter

runningAverage

public static java.lang.Double runningAverage(java.lang.Object average,
                                              java.lang.Object next,
                                              int count,
                                              float weight)

Parameters:

Current - average - Number with double value.

Next - value - Number with double value.

Current - index counter

Weights - for weighted average