edu.jas.ufd
Class GCDProxy<C extends GcdRingElem<C>>

java.lang.Object
  edu.jas.ufd.GreatestCommonDivisorAbstract<C>
      edu.jas.ufd.GCDProxy<C>

All Implemented Interfaces:

GreatestCommonDivisor<C>

public class GCDProxy<C extends GcdRingElem<C>>
extends GreatestCommonDivisorAbstract<C>

Greatest common divisor parallel proxy.

Author:

Heinz Kredel

Field Summary

protected static int	anzahl Thread pool size.
protected static int	dauer
GreatestCommonDivisor<C>	e1 GCD engines.
GreatestCommonDivisor<C>	e2
protected java.util.concurrent.ExecutorService	pool Thread pool.

Constructor Summary

GCDProxy(GreatestCommonDivisor<C> e1, GreatestCommonDivisor<C> e2)
Proxy constructor.

Method Summary

GenPolynomial<C>	baseGcd(GenPolynomial<C> P, GenPolynomial<C> S) Univariate GenPolynomial greatest comon divisor.
GenPolynomial<C>	gcd(GenPolynomial<C> P, GenPolynomial<C> S) GenPolynomial greatest comon divisor.
GenPolynomial<GenPolynomial<C>>	recursiveGcd(GenPolynomial<GenPolynomial<C>> P, GenPolynomial<GenPolynomial<C>> S) Univariate GenPolynomial recursive greatest comon divisor.
java.lang.String	toString() Get the String representation as RingFactory.

Methods inherited from class edu.jas.ufd.GreatestCommonDivisorAbstract

baseContent, basePrimitivePart, baseSquarefreeFactors, baseSquarefreePart, content, divide, gcd, lcm, primitivePart, recursiveContent, recursivePrimitivePart, recursiveSquarefreeFactors, recursiveSquarefreePart, resultant, squarefreeFactors, squarefreePart

Methods inherited from class java.lang.Object

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

Field Detail

e1

public final GreatestCommonDivisor<C extends GcdRingElem<C>> e1

GCD engines.

e2

public final GreatestCommonDivisor<C extends GcdRingElem<C>> e2

pool

protected java.util.concurrent.ExecutorService pool

Thread pool.

anzahl

protected static final int anzahl

Thread pool size.

See Also:

Constant Field Values

dauer

protected static final int dauer

See Also:

Constant Field Values

Constructor Detail

GCDProxy

public GCDProxy(GreatestCommonDivisor<C> e1,
                GreatestCommonDivisor<C> e2)

Proxy constructor.

Method Detail

toString

public java.lang.String toString()

Get the String representation as RingFactory.

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()

baseGcd

public GenPolynomial<C> baseGcd(GenPolynomial<C> P,
                                GenPolynomial<C> S)

Univariate GenPolynomial greatest comon divisor. Uses pseudoRemainder for remainder.

Specified by:

baseGcd in class GreatestCommonDivisorAbstract<C extends GcdRingElem<C>>

Parameters:

P - univariate GenPolynomial.

S - univariate GenPolynomial.

Returns:

gcd(P,S).

recursiveGcd

public GenPolynomial<GenPolynomial<C>> recursiveGcd(GenPolynomial<GenPolynomial<C>> P,
                                                    GenPolynomial<GenPolynomial<C>> S)

Univariate GenPolynomial recursive greatest comon divisor. Uses pseudoRemainder for remainder.

Specified by:

recursiveGcd in class GreatestCommonDivisorAbstract<C extends GcdRingElem<C>>

Parameters:

P - univariate recursive GenPolynomial.

S - univariate recursive GenPolynomial.

Returns:

gcd(P,S).

gcd

public GenPolynomial<C> gcd(GenPolynomial<C> P,
                            GenPolynomial<C> S)

GenPolynomial greatest comon divisor. Main entry driver method.

Specified by:

gcd in interface GreatestCommonDivisor<C extends GcdRingElem<C>>

Overrides:

gcd in class GreatestCommonDivisorAbstract<C extends GcdRingElem<C>>

Parameters:

P - GenPolynomial.

S - GenPolynomial.

Returns:

gcd(P,S).