Package edu.jas.ufd

Class FactorsMap<C extends GcdRingElem<C>>

java.lang.Object

edu.jas.ufd.FactorsMap<C>

Type Parameters:

C - coefficient type

All Implemented Interfaces:

java.io.Serializable

public class FactorsMap<C extends GcdRingElem<C>>
extends java.lang.Object
implements java.io.Serializable

Container for the factors of a eventually non-squarefree factorization.

Author:

Heinz Kredel

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
java.util.SortedMap<Factors<C>,java.lang.Long>	afactors	List of factors with coefficients from AlgebraicNumberRings.
java.util.SortedMap<GenPolynomial<C>,java.lang.Long>	factors	List of factors with coefficients from C.
GenPolynomial<C>	poly	Original polynomial to be factored with coefficients from C.

Constructor Summary

Constructors

Constructor	Description
FactorsMap(GenPolynomial<C> p, java.util.SortedMap<GenPolynomial<C>,java.lang.Long> map)	Constructor.
FactorsMap(GenPolynomial<C> p, java.util.SortedMap<GenPolynomial<C>,java.lang.Long> map, java.util.SortedMap<Factors<C>,java.lang.Long> amap)	Constructor.

Method Summary

Modifier and Type	Method	Description
AlgebraicNumberRing<C>	findExtensionField()	Find largest extension field.
int	length()	Length.
java.lang.String	toScript()	Get a scripting compatible string representation.
java.lang.String	toString()	Get the String representation.

Methods inherited from class java.lang.Object

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

Field Detail

poly

public final GenPolynomial<C extends GcdRingElem<C>> poly

Original polynomial to be factored with coefficients from C.

factors

public final java.util.SortedMap<GenPolynomial<C extends GcdRingElem<C>>,java.lang.Long> factors

List of factors with coefficients from C.

afactors

public final java.util.SortedMap<Factors<C extends GcdRingElem<C>>,java.lang.Long> afactors

List of factors with coefficients from AlgebraicNumberRings.

Constructor Detail

FactorsMap

public FactorsMap(GenPolynomial<C> p,
                  java.util.SortedMap<GenPolynomial<C>,java.lang.Long> map)

Constructor.

Parameters:

p - given GenPolynomial over C.

map - irreducible factors of p with coefficients from C.

FactorsMap

public FactorsMap(GenPolynomial<C> p,
                  java.util.SortedMap<GenPolynomial<C>,java.lang.Long> map,
                  java.util.SortedMap<Factors<C>,java.lang.Long> amap)

Constructor.

Parameters:

p - given GenPolynomial over C.

map - irreducible factors of p with coefficients from C.

amap - irreducible factors of p with coefficients from an algebraic number field.

Method Detail

toString

public java.lang.String toString()

Get the String representation.

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()

toScript

public java.lang.String toScript()

Get a scripting compatible string representation.

Returns:

script compatible representation for this container.

See Also:

ElemFactory.toScript()

length

public int length()

Length. Number of factors.

Returns:

number of distinct factors.

findExtensionField

public AlgebraicNumberRing<C> findExtensionField()

Find largest extension field.

Returns:

largest extension field or null if no extension field