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>, java.io.Serializable

public class GenVectorModul<C extends RingElem<C>>
extends java.lang.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 and Description
java.util.List<GenVector<C>>	BASIS
RingFactory<C>	coFac
int	cols
static float	DEFAULT_DENSITY
GenVector<C>	ZERO

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
GenVector<C>	copy(GenVector<C> c) copy vector.
boolean	equals(java.lang.Object other) Comparison with any other object.
GenVector<C>	fromInteger(java.math.BigInteger a) Get the vector for a.
GenVector<C>	fromInteger(long a) Get the vector for a.
GenVector<C>	fromList(java.util.List<C> v) From List of coefficients.
java.util.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(java.io.Reader r) Parse a vector from a Reader.
GenVector<C>	parse(java.lang.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, java.util.Random random) Random vector.
GenVector<C>	random(int k, java.util.Random random) Random vector.
java.lang.String	toScript() Get a scripting compatible string representation.
java.lang.String	toString() Get the String representation as RingElem.

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Field Detail

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 java.util.List<GenVector<C extends RingElem<C>>> BASIS

DEFAULT_DENSITY

public static final float DEFAULT_DENSITY

See Also:

Constant Field Values

Constructor Detail

GenVectorModul

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

Constructor for GenVectorModul.

Method Detail

toString

public java.lang.String toString()

Get the String representation as RingElem.

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()

toScript

public java.lang.String toScript()

Get a scripting compatible string representation.

Specified by:

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

Returns:

ZERO.

generators

public java.util.List<GenVector<C>> generators()

Get a list of the generating elements.

Specified by:

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

Returns:

true if this structure is finite, else false.

See Also:

ElemFactory.isFinite()

equals

public boolean equals(java.lang.Object other)

Comparison with any other object.

Overrides:

equals in class java.lang.Object

See Also:

Object.equals(java.lang.Object)

hashCode

public int hashCode()

Hash code for this vector module.

Overrides:

hashCode in class java.lang.Object

See Also:

Object.hashCode()

fromInteger

public GenVector<C> fromInteger(long a)

Get the vector for a.

Specified by:

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

Parameters:

a - long

Returns:

vector corresponding to a.

fromInteger

public GenVector<C> fromInteger(java.math.BigInteger a)

Get the vector for a.

Specified by:

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

Parameters:

a - long

Returns:

vector corresponding to a.

fromList

public GenVector<C> fromList(java.util.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<GenVector<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,
                           java.util.Random random)

Random vector.

Specified by:

random in interface ElemFactory<GenVector<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,
                           java.util.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<GenVector<C extends RingElem<C>>>

Parameters:

c - vector.

Returns:

copy of vector c.

parse

public GenVector<C> parse(java.lang.String s)

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

Specified by:

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

Parameters:

s - String with vector.

Returns:

parsed vector.

parse

public GenVector<C> parse(java.io.Reader r)

Parse a vector from a Reader.

Specified by:

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

Parameters:

r - Reader containing a vector.

Returns:

parsed vector.