hydra

Class NumStats

java.lang.Object

hydra.NumStats

All Implemented Interfaces:

Serializable

public class NumStats
extends Object
implements Serializable

Keeps a running min, max, and mean. Omits standard deviation to avoid having to hold onto each value. Very efficient in terms of time and space. Includes method for fetching stats.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
NumStats()

Method Summary

Modifier and Type	Method and Description
void	add(double arg) Adds a double to the stat.
void	add(int arg) Adds an int to the stat.
void	add(long arg) Adds a long to the stat.
static void	main(String[] args) A test routine.
double	max() Returns the max as a double.
double	mean() Returns the mean as a double.
double	min() Returns the min as a double.
String	printStatsAsTimes() Returns min, max, mean considered as times in milliseconds, as a string.

Methods inherited from class java.lang.Object

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

Constructor Detail

NumStats

public NumStats()

Method Detail

add

public void add(double arg)

Adds a double to the stat.

add

public void add(int arg)

Adds an int to the stat.

add

public void add(long arg)

Adds a long to the stat.

min

public double min()

Returns the min as a double.

max

public double max()

Returns the max as a double.

mean

public double mean()

Returns the mean as a double.

printStatsAsTimes

public String printStatsAsTimes()

Returns min, max, mean considered as times in milliseconds, as a string. Returns null if no values have been recorded.

main

public static void main(String[] args)

A test routine.