Package edu.jas.application

Class Condition<C extends GcdRingElem<C>>

java.lang.Object

edu.jas.application.Condition<C>

Type Parameters:

C - coefficient type

All Implemented Interfaces:

java.io.Serializable

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

Condition. Container for an ideal of polynomials considered to be zero and a multiplicative set of polynomials considered to be non-zero.

Author:

Heinz Kredel

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Condition.Color	Colors.

Field Summary

Fields

Modifier and Type	Field	Description
MultiplicativeSet<C>	nonZero	Data structure for condition non-zero.
Ideal<C>	zero	Data structure for condition zero.

Constructor Summary

Constructors

Constructor	Description
Condition(Ideal<C> z)	Condition constructor.
Condition(Ideal<C> z, MultiplicativeSet<C> nz)	Condition constructor.
Condition(MultiplicativeSet<C> nz)	Condition constructor.
Condition(GenPolynomialRing<C> ring)	Condition constructor.

Method Summary

Modifier and Type	Method	Description
Condition.Color	color(GenPolynomial<C> c)	Determine color of polynomial.
ColorPolynomial<C>	determine(GenPolynomial<GenPolynomial<C>> A)	Determine polynomial.
java.util.List<ColorPolynomial<C>>	determine(java.util.List<GenPolynomial<GenPolynomial<C>>> L)	Determine list of polynomials.
boolean	equals(java.lang.Object ob)	equals.
Condition<C>	extendNonZero(GenPolynomial<C> nz)	Extend condition with non-zero polynomial.
Condition<C>	extendZero(GenPolynomial<C> z)	Extend condition with zero polynomial.
int	hashCode()	Hash code for this condition.
boolean	isContradictory()	Is contradictory.
boolean	isDetermined(ColorPolynomial<C> s)	Is determined colored polynomial.
boolean	isDetermined(java.util.List<ColorPolynomial<C>> S)	Is determined list of colored polynomial.
boolean	isEmpty()	Is empty condition.
ColorPolynomial<C>	reDetermine(ColorPolynomial<C> s)	Re determine colored polynomial.
java.util.List<ColorPolynomial<C>>	reDetermine(java.util.List<ColorPolynomial<C>> S)	Re determine list of colored polynomials.
Condition<C>	simplify()	Simplify zero and non-zero polynomial conditions.
java.lang.String	toScript()	toScript.
java.lang.String	toString()	toString.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

zero

public final Ideal<C extends GcdRingElem<C>> zero

Data structure for condition zero.

nonZero

public final MultiplicativeSet<C extends GcdRingElem<C>> nonZero

Data structure for condition non-zero.

Constructor Detail

Condition

public Condition(GenPolynomialRing<C> ring)

Condition constructor. Constructs an empty condition with squarefree multiplicative set.

Parameters:

ring - polynomial ring factory for coefficients.

Condition

public Condition(Ideal<C> z)

Condition constructor. Constructs a condition with squarefree multiplicative set.

Parameters:

z - an ideal of zero polynomials.

Condition

public Condition(MultiplicativeSet<C> nz)

Condition constructor.

Parameters:

nz - a list of non-zero polynomials.

Condition

public Condition(Ideal<C> z,
                 MultiplicativeSet<C> nz)

Condition constructor.

Parameters:

z - an ideal of zero polynomials.

nz - a list of non-zero polynomials.

Method Detail

toString

public java.lang.String toString()

toString.

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()

toScript

public java.lang.String toScript()

toScript.

See Also:

Element.toScript()

equals

public boolean equals(java.lang.Object ob)

equals.

Overrides:

equals in class java.lang.Object

Parameters:

ob - an Object.

Returns:

true if this is equal to o, else false.

hashCode

public int hashCode()

Hash code for this condition.

Overrides:

hashCode in class java.lang.Object

See Also:

Object.hashCode()

isEmpty

public boolean isEmpty()

Is empty condition.

Returns:

true if this is the empty condition, else false.

isContradictory

public boolean isContradictory()

Is contradictory.

Returns:

true if this condition is contradictory, else false.

extendZero

public Condition<C> extendZero(GenPolynomial<C> z)

Extend condition with zero polynomial.

Parameters:

z - a polynomial to be treated as zero.

Returns:

new condition.

extendNonZero

public Condition<C> extendNonZero(GenPolynomial<C> nz)

Extend condition with non-zero polynomial.

Parameters:

nz - a polynomial to be treated as non-zero.

Returns:

new condition.

simplify

public Condition<C> simplify()

Simplify zero and non-zero polynomial conditions.

Returns:

new simplified condition.

color

public Condition.Color color(GenPolynomial<C> c)

Determine color of polynomial.

Parameters:

c - polynomial to be colored.

Returns:

color of c.

determine

public ColorPolynomial<C> determine(GenPolynomial<GenPolynomial<C>> A)

Determine polynomial. If this condition does not determine the polynomial, then a run-time exception is thrown.

Parameters:

A - polynomial.

Returns:

new determined colored polynomial.

determine

public java.util.List<ColorPolynomial<C>> determine(java.util.List<GenPolynomial<GenPolynomial<C>>> L)

Determine list of polynomials. If this condition does not determine all polynomials, then a run-time exception is thrown. The returned list does not contain polynomials with all green terms.

Parameters:

L - list of polynomial.

Returns:

new determined list of colored polynomials.

reDetermine

public ColorPolynomial<C> reDetermine(ColorPolynomial<C> s)

Re determine colored polynomial.

Parameters:

s - colored polynomial.

Returns:

determined colored polynomial wrt. this.conditions.

reDetermine

public java.util.List<ColorPolynomial<C>> reDetermine(java.util.List<ColorPolynomial<C>> S)

Re determine list of colored polynomials.

Parameters:

S - list of colored polynomials.

Returns:

list of determined colored polynomials wrt. this.conditions.

isDetermined

public boolean isDetermined(ColorPolynomial<C> s)

Is determined colored polynomial.

Parameters:

s - colored polynomial.

Returns:

true if the colored polynomial is correctly determined wrt. this.condition.

isDetermined

public boolean isDetermined(java.util.List<ColorPolynomial<C>> S)

Is determined list of colored polynomial.

Parameters:

S - list of colored polynomials.

Returns:

true if the colored polynomials in S are correctly determined wrt. this.condition.