oracle.spatial.geometry

Class Chain.AccurateSum

java.lang.Object

oracle.spatial.geometry.Chain.AccurateSum

Enclosing class:

Chain

public static final class Chain.AccurateSum
extends java.lang.Object

Accurately accumulate a summation. This is an implementation of the Kahan summation algorithm a.k.a. compensated summation.

Constructor Summary

Constructors

Constructor and Description
AccurateSum()

Method Summary

Modifier and Type	Method and Description
void	add(double v) Add to the running sum
double	get() Return the accumulated sum
void	reset() Reset the sum to zero

Methods inherited from class java.lang.Object

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

Constructor Detail

AccurateSum

public AccurateSum()

Method Detail

reset

public void reset()

Reset the sum to zero

add

public void add(double v)

Add to the running sum

Parameters:

v - the value to add

get

public double get()

Return the accumulated sum

Returns: