Package com.landawn.abacus.util

Class KahanSummation

java.lang.Object

com.landawn.abacus.util.KahanSummation

public final class KahanSummation
extends Object

Constructor Summary

Constructors

Constructor	Description
KahanSummation()

Method Summary

Modifier and Type	Method	Description
void	add(double value)
void	addAll(double[] values)	Adds the all.
u.OptionalDouble	average()
void	combine(long countA, double sumA)
void	combine(KahanSummation other)
long	count()
static KahanSummation	of(double... a)
double	sum()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

KahanSummation

public KahanSummation()

Method Details

of

public static KahanSummation of(double... a)

Parameters:

a -

Returns:

add

public void add(double value)

Parameters:

value -

addAll

public void addAll(double[] values)

Adds the all.

Parameters:

values -

combine

public void combine(long countA,
 double sumA)

Parameters:

countA -

sumA -

combine

public void combine(KahanSummation other)

Parameters:

other -

count

public long count()

Returns:

sum

public double sum()

Returns:

average

public u.OptionalDouble average()

Returns:

toString

public String toString()

Overrides:

toString in class Object

Returns: