com.fasteasytrade.JRandTest.Algo
Class Lcg1Prng

java.lang.Object
  com.fasteasytrade.JRandTest.Algo.Cipher
      com.fasteasytrade.JRandTest.Algo.Lcg1Prng

public class Lcg1Prng

extends Cipher

Simple LCG from NIST test package

Seed to LCG is double

Each cycle returns new double.

Author:

Zur Aougav

Field Summary

(package private) double	DA1 DA1 = 950706376 mod 2**16
(package private) double	DA2 DA2 = 950706376 - DA1
(package private) double	DTWO31 DTWO31 = 2 ** 31
(package private) double	DTWO31M1 DTWO31M1 = 2 ** 31 - 1
(package private) double	seed seed contains the "state" of the LCG

Constructor Summary

(package private)	Lcg1Prng()
(package private)	Lcg1Prng(double seed)

Method Summary

double

nextDouble()

Methods inherited from class com.fasteasytrade.JRandTest.Algo.Cipher

compareBytes

Methods inherited from class java.lang.Object

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

Field Detail

seed

double seed

seed contains the "state" of the LCG

DTWO31

final double DTWO31

DTWO31 = 2 ** 31

See Also:

Constant Field Values

DTWO31M1

final double DTWO31M1

DTWO31M1 = 2 ** 31 - 1

See Also:

Constant Field Values

DA1

final double DA1

DA1 = 950706376 mod 2**16

See Also:

Constant Field Values

DA2

final double DA2

DA2 = 950706376 - DA1

See Also:

Constant Field Values

Constructor Detail

Lcg1Prng

Lcg1Prng()

Lcg1Prng

Lcg1Prng(double seed)

Method Detail

nextDouble

public double nextDouble()