Package edu.jas.fd
Class SolvableQuotientRing<C extends GcdRingElem<C>>
- java.lang.Object
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- edu.jas.fd.SolvableQuotientRing<C>
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- All Implemented Interfaces:
AbelianGroupFactory<SolvableQuotient<C>>
,ElemFactory<SolvableQuotient<C>>
,MonoidFactory<SolvableQuotient<C>>
,QuotPairFactory<GenPolynomial<C>,SolvableQuotient<C>>
,RingFactory<SolvableQuotient<C>>
,java.io.Serializable
public class SolvableQuotientRing<C extends GcdRingElem<C>> extends java.lang.Object implements RingFactory<SolvableQuotient<C>>, QuotPairFactory<GenPolynomial<C>,SolvableQuotient<C>>
SolvableQuotient ring factory based on GenPolynomial with RingElem interface. Objects of this class are immutable.- Author:
- Heinz Kredel
- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description SolvableSyzygyAbstract<C>
engine
Syzygy engine of the factory.GreatestCommonDivisorAbstract<C>
fdengine
FD engine of the factory.GenSolvablePolynomialRing<C>
ring
Solvable polynomial ring of the factory.
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Constructor Summary
Constructors Constructor Description SolvableQuotientRing(GenSolvablePolynomialRing<C> r)
The constructor creates a SolvableQuotientRing object from a GenSolvablePolynomialRing.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.math.BigInteger
characteristic()
Characteristic of this ring.SolvableQuotient<C>
copy(SolvableQuotient<C> c)
Copy SolvableQuotient element c.SolvableQuotient<C>
create(GenPolynomial<C> n)
Create from numerator.SolvableQuotient<C>
create(GenPolynomial<C> n, GenPolynomial<C> d)
Create from numerator, denominator pair.boolean
equals(java.lang.Object b)
Comparison with any other object.SolvableQuotient<C>
fromInteger(long a)
Get a SolvableQuotient element from a long value.SolvableQuotient<C>
fromInteger(java.math.BigInteger a)
Get a SolvableQuotient element from a BigInteger value.java.util.List<SolvableQuotient<C>>
generators()
Get a list of the generating elements.SolvableQuotient<C>
getONE()
Get the one element.SolvableQuotient<C>
getZERO()
Get the zero element.int
hashCode()
Hash code for this quotient ring.boolean
isAssociative()
Query if this ring is associative.boolean
isCommutative()
Query if this ring is commutative.boolean
isField()
Query if this ring is a field.boolean
isFinite()
Is this structure finite or infinite.GenSolvablePolynomialRing<C>
pairFactory()
Factory for base elements.SolvableQuotient<C>
parse(java.io.Reader r)
Parse SolvableQuotient from Reader.SolvableQuotient<C>
parse(java.lang.String s)
Parse SolvableQuotient from String.SolvableQuotient<C>
random(int n)
SolvableQuotient random.SolvableQuotient<C>
random(int k, int l, int d, float q)
Generate a random quotient.SolvableQuotient<C>
random(int n, java.util.Random rnd)
SolvableQuotient random.java.lang.String
toScript()
Get a scripting compatible string representation.java.lang.String
toString()
Get the String representation as RingFactory.-
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
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Methods inherited from interface edu.jas.structure.ElemFactory
valueOf
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Field Detail
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ring
public final GenSolvablePolynomialRing<C extends GcdRingElem<C>> ring
Solvable polynomial ring of the factory.
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engine
public final SolvableSyzygyAbstract<C extends GcdRingElem<C>> engine
Syzygy engine of the factory.
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fdengine
public final GreatestCommonDivisorAbstract<C extends GcdRingElem<C>> fdengine
FD engine of the factory.
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Constructor Detail
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SolvableQuotientRing
public SolvableQuotientRing(GenSolvablePolynomialRing<C> r)
The constructor creates a SolvableQuotientRing object from a GenSolvablePolynomialRing.- Parameters:
r
- solvable polynomial ring.
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Method Detail
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pairFactory
public GenSolvablePolynomialRing<C> pairFactory()
Factory for base elements.- Specified by:
pairFactory
in interfaceQuotPairFactory<GenPolynomial<C extends GcdRingElem<C>>,SolvableQuotient<C extends GcdRingElem<C>>>
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create
public SolvableQuotient<C> create(GenPolynomial<C> n)
Create from numerator.- Specified by:
create
in interfaceQuotPairFactory<GenPolynomial<C extends GcdRingElem<C>>,SolvableQuotient<C extends GcdRingElem<C>>>
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create
public SolvableQuotient<C> create(GenPolynomial<C> n, GenPolynomial<C> d)
Create from numerator, denominator pair.- Specified by:
create
in interfaceQuotPairFactory<GenPolynomial<C extends GcdRingElem<C>>,SolvableQuotient<C extends GcdRingElem<C>>>
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isFinite
public boolean isFinite()
Is this structure finite or infinite.- Specified by:
isFinite
in interfaceElemFactory<C extends GcdRingElem<C>>
- Returns:
- true if this structure is finite, else false.
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copy
public SolvableQuotient<C> copy(SolvableQuotient<C> c)
Copy SolvableQuotient element c.- Specified by:
copy
in interfaceElemFactory<C extends GcdRingElem<C>>
- Parameters:
c
-- Returns:
- a copy of c.
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getZERO
public SolvableQuotient<C> getZERO()
Get the zero element.- Specified by:
getZERO
in interfaceAbelianGroupFactory<C extends GcdRingElem<C>>
- Returns:
- 0 as SolvableQuotient.
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getONE
public SolvableQuotient<C> getONE()
Get the one element.- Specified by:
getONE
in interfaceMonoidFactory<C extends GcdRingElem<C>>
- Returns:
- 1 as SolvableQuotient.
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generators
public java.util.List<SolvableQuotient<C>> generators()
Get a list of the generating elements.- Specified by:
generators
in interfaceElemFactory<C extends GcdRingElem<C>>
- Returns:
- list of generators for the algebraic structure.
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isCommutative
public boolean isCommutative()
Query if this ring is commutative.- Specified by:
isCommutative
in interfaceMonoidFactory<C extends GcdRingElem<C>>
- Returns:
- true if this ring is commutative, else false.
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isAssociative
public boolean isAssociative()
Query if this ring is associative.- Specified by:
isAssociative
in interfaceMonoidFactory<C extends GcdRingElem<C>>
- Returns:
- true if this ring is associative, else false.
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isField
public boolean isField()
Query if this ring is a field.- Specified by:
isField
in interfaceRingFactory<C extends GcdRingElem<C>>
- Returns:
- true.
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characteristic
public java.math.BigInteger characteristic()
Characteristic of this ring.- Specified by:
characteristic
in interfaceRingFactory<C extends GcdRingElem<C>>
- Returns:
- characteristic of this ring.
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fromInteger
public SolvableQuotient<C> fromInteger(java.math.BigInteger a)
Get a SolvableQuotient element from a BigInteger value.- Specified by:
fromInteger
in interfaceElemFactory<C extends GcdRingElem<C>>
- Parameters:
a
- BigInteger.- Returns:
- a SolvableQuotient.
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fromInteger
public SolvableQuotient<C> fromInteger(long a)
Get a SolvableQuotient element from a long value.- Specified by:
fromInteger
in interfaceElemFactory<C extends GcdRingElem<C>>
- Parameters:
a
- long.- Returns:
- a SolvableQuotient.
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toString
public java.lang.String toString()
Get the String representation as RingFactory.- Overrides:
toString
in classjava.lang.Object
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toScript
public java.lang.String toScript()
Get a scripting compatible string representation.- Specified by:
toScript
in interfaceElemFactory<C extends GcdRingElem<C>>
- Returns:
- script compatible representation for this ElemFactory.
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equals
public boolean equals(java.lang.Object b)
Comparison with any other object.- Overrides:
equals
in classjava.lang.Object
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hashCode
public int hashCode()
Hash code for this quotient ring.- Overrides:
hashCode
in classjava.lang.Object
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random
public SolvableQuotient<C> random(int n)
SolvableQuotient random.- Specified by:
random
in interfaceElemFactory<C extends GcdRingElem<C>>
- Parameters:
n
- such that 0 ≤ v ≤ (2n-1).- Returns:
- a random quotient element.
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random
public SolvableQuotient<C> random(int k, int l, int d, float q)
Generate a random quotient.- Parameters:
k
- bitsize of random coefficients.l
- number of terms.d
- maximal degree in each variable.q
- density of nozero exponents.- Returns:
- a random quotient.
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random
public SolvableQuotient<C> random(int n, java.util.Random rnd)
SolvableQuotient random.- Specified by:
random
in interfaceElemFactory<C extends GcdRingElem<C>>
- Parameters:
n
- such that 0 ≤ v ≤ (2n-1).rnd
- is a source for random bits.- Returns:
- a random quotient element.
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parse
public SolvableQuotient<C> parse(java.lang.String s)
Parse SolvableQuotient from String. Syntax: "{ polynomial | polynomial }" or "{ polynomial }" or " polynomial | polynomial " or " polynomial "- Specified by:
parse
in interfaceElemFactory<C extends GcdRingElem<C>>
- Parameters:
s
- String.- Returns:
- SolvableQuotient from s.
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parse
public SolvableQuotient<C> parse(java.io.Reader r)
Parse SolvableQuotient from Reader.- Specified by:
parse
in interfaceElemFactory<C extends GcdRingElem<C>>
- Parameters:
r
- Reader.- Returns:
- next SolvableQuotient from r.
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