Package jline.api.fj

Class FJ_harmonic

java.lang.Object

jline.api.fj.FJ_harmonic

public final class FJ_harmonic
extends Object

Method Summary

Modifier and Type	Method	Description
static double	fj_harmonic(int K)	Compute Harmonic sum H_K = sum(1/k) for k=1 to K.

Methods inherited from class java.lang.Object

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

Method Details

fj_harmonic

public static double fj_harmonic(int K)

Compute Harmonic sum H_K = sum(1/k) for k=1 to K.

Parameters:

K - Number of parallel servers (positive integer)

Returns:

Harmonic sum H_K = 1 + 1/2 + 1/3 + ... + 1/K

Throws:

IllegalArgumentException - if K < 1 Reference: A. Thomasian, "Analysis of Fork/Join and Related Queueing Systems", ACM Computing Surveys, Vol. 47, No. 2, Article 17, July 2014.