Package edu.jas.vector

Class GenVectorModul<C extends RingElem<C>>

java.lang.Object

edu.jas.vector.GenVectorModul<C>

All Implemented Interfaces:

AbelianGroupFactory<GenVector<C>>, ElemFactory<GenVector<C>>, ModulFactory<GenVector<C>,C>, Serializable

public class GenVectorModul<C extends RingElem<C>>
extends Object
implements ModulFactory<GenVector<C>,C>

GenVectorModul implements a generic vector factory with RingElem entries. Vectors of n columns over C.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
final List<GenVector<C>>	BASIS
final RingFactory<C>	coFac
final int	cols
static final float	DEFAULT_DENSITY
private final float	density
private static final org.apache.logging.log4j.Logger	logger
private static final Random	random
final GenVector<C>	ZERO

Constructor Summary

Constructors

Constructor	Description
GenVectorModul(RingFactory<C> b, int s)	Constructor for GenVectorModul.

Method Summary

Modifier and Type	Method	Description
GenVector<C>	copy(GenVector<C> c)	copy vector.
boolean	equals(Object other)	Comparison with any other object.
GenVector<C>	fromInteger(long a)	Get the vector for a.
GenVector<C>	fromInteger(BigInteger a)	Get the vector for a.
GenVector<C>	fromList(List<C> v)	From List of coefficients.
List<GenVector<C>>	generators()	Get a list of the generating elements.
GenVector<C>	getZERO()	getZERO.
int	hashCode()	Hash code for this vector module.
boolean	isFinite()	Is this structure finite or infinite.
GenVector<C>	parse(Reader r)	Parse a vector from a Reader.
GenVector<C>	parse(String s)	Parse a vector from a String.
GenVector<C>	random(int k)	Random vector.
GenVector<C>	random(int k, float q)	Random vector.
GenVector<C>	random(int k, float q, Random random)	Random vector.
GenVector<C>	random(int k, Random random)	Random vector.
String	toScript()	Get a scripting compatible string representation.
String	toString()	Get the String representation as RingElem.

Methods inherited from class java.lang.Object

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

Methods inherited from interface edu.jas.structure.ElemFactory

valueOf

Field Details

logger

private static final org.apache.logging.log4j.Logger logger

coFac

public final RingFactory<C extends RingElem<C>> coFac

cols

public final int cols

ZERO

public final GenVector<C extends RingElem<C>> ZERO

BASIS

public final List<GenVector<C extends RingElem<C>>> BASIS

random

private static final Random random

DEFAULT_DENSITY

public static final float DEFAULT_DENSITY

See Also:

• Constant Field Values

density

private final float density

See Also:

• Constant Field Values

Constructor Details

GenVectorModul

public GenVectorModul(RingFactory<C> b,
 int s)

Constructor for GenVectorModul.

Method Details

toString

public String toString()

Get the String representation as RingElem.

Overrides:

toString in class Object

See Also:

• Object.toString()

toScript

public String toScript()

Get a scripting compatible string representation.

Specified by:

toScript in interface ElemFactory<C extends RingElem<C>>

Returns:

script compatible representation for this ElemFactory.

See Also:

• ElemFactory.toScript()

getZERO

public GenVector<C> getZERO()

getZERO.

Specified by:

getZERO in interface AbelianGroupFactory<C extends RingElem<C>>

Returns:

ZERO.

generators

public List<GenVector<C>> generators()

Get a list of the generating elements.

Specified by:

generators in interface ElemFactory<C extends RingElem<C>>

Returns:

list of generators for the algebraic structure.

See Also:

• ElemFactory.generators()

isFinite

public boolean isFinite()

Is this structure finite or infinite.

Specified by:

isFinite in interface ElemFactory<C extends RingElem<C>>

Returns:

true if this structure is finite, else false.

See Also:

• ElemFactory.isFinite()

equals

public boolean equals(Object other)

Comparison with any other object.

Overrides:

equals in class Object

See Also:

• Object.equals(java.lang.Object)

hashCode

public int hashCode()

Hash code for this vector module.

Overrides:

hashCode in class Object

See Also:

• Object.hashCode()

fromInteger

public GenVector<C> fromInteger(long a)

Get the vector for a.

Specified by:

fromInteger in interface ElemFactory<C extends RingElem<C>>

Parameters:

a - long

Returns:

vector corresponding to a.

fromInteger

public GenVector<C> fromInteger(BigInteger a)

Get the vector for a.

Specified by:

fromInteger in interface ElemFactory<C extends RingElem<C>>

Parameters:

a - long

Returns:

vector corresponding to a.

fromList

public GenVector<C> fromList(List<C> v)

From List of coefficients.

Specified by:

fromList in interface ModulFactory<GenVector<C extends RingElem<C>>,C extends RingElem<C>>

Parameters:

v - list of coefficients.

Returns:

vector from v.

random

public GenVector<C> random(int k)

Random vector.

Specified by:

random in interface ElemFactory<C extends RingElem<C>>

Parameters:

k - size of random coefficients.

Returns:

random vector.

random

public GenVector<C> random(int k,
 float q)

Random vector.

Specified by:

random in interface ModulFactory<GenVector<C extends RingElem<C>>,C extends RingElem<C>>

Parameters:

k - size of random coefficients.

q - density of nonzero coefficients.

Returns:

random vector.

random

public GenVector<C> random(int k,
 Random random)

Random vector.

Specified by:

random in interface ElemFactory<C extends RingElem<C>>

Parameters:

k - size of random coefficients.

random - is a source for random bits.

Returns:

a random element.

random

public GenVector<C> random(int k,
 float q,
 Random random)

Random vector.

Parameters:

k - size of random coefficients.

q - density of nonzero coefficients.

random - is a source for random bits.

Returns:

a random element.

copy

public GenVector<C> copy(GenVector<C> c)

copy vector.

Specified by:

copy in interface ElemFactory<C extends RingElem<C>>

Parameters:

c - vector.

Returns:

copy of vector c.

parse

public GenVector<C> parse(String s)

Parse a vector from a String. Syntax: [ c, ..., c ]

Specified by:

parse in interface ElemFactory<C extends RingElem<C>>

Parameters:

s - String with vector.

Returns:

parsed vector.

parse

public GenVector<C> parse(Reader r)

Parse a vector from a Reader.

Specified by:

parse in interface ElemFactory<C extends RingElem<C>>

Parameters:

r - Reader containing a vector.

Returns:

parsed vector.