Package de.tilman_neumann.jml.factor.siqs.sieve

Class SieveParams

java.lang.Object

de.tilman_neumann.jml.factor.siqs.sieve.SieveParams

public class SieveParams
extends Object

Basic parameters for the quadratic sieve.

Author:

Tilman Neumann

Field Summary

Fields

Modifier and Type	Field	Description
byte	initializer	sieve array initializer value
float	lnPMultiplier	multiplier to scale ln(p) values to the chosen log base
double	maxQRest	maximal Q_rest accepted as smooth candidate
int	pMax	the largest prime in the prime base
int	pMin	the smallest prime used for sieving.
int	pMinIndex	the index of the smallest prime used for sieving.
int	sieveArraySize	the size of the sieve array (per sign)

Constructor Summary

Constructors

Constructor	Description
SieveParams(BigInteger kN, int[] primeBase, int primeBaseSize, int sieveArraySize, double maxQRest, int wantedMinLogPSum)

Method Summary

Modifier and Type	Method	Description
byte[]	getInitializerBlock()

Methods inherited from class java.lang.Object

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

Field Detail

pMinIndex

public int pMinIndex

the index of the smallest prime used for sieving.

pMin

public int pMin

the smallest prime used for sieving.

pMax

public int pMax

the largest prime in the prime base

sieveArraySize

public int sieveArraySize

the size of the sieve array (per sign)

maxQRest

public double maxQRest

maximal Q_rest accepted as smooth candidate

initializer

public byte initializer

sieve array initializer value

lnPMultiplier

public float lnPMultiplier

multiplier to scale ln(p) values to the chosen log base

Constructor Detail

SieveParams

public SieveParams(BigInteger kN,
                   int[] primeBase,
                   int primeBaseSize,
                   int sieveArraySize,
                   double maxQRest,
                   int wantedMinLogPSum)

Method Detail

getInitializerBlock

public byte[] getInitializerBlock()