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.

Author:

Heinz Kredel

See Also:

Serialized Form

Field Summary

java.util.List<GenVector<C>>	BASIS
RingFactory<C>	coFac
int	cols
static float	DEFAULT_DENSITY
GenVector<C>	ZERO

Constructor Summary

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

Method Summary

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

clone, finalize, 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:

a module element with the elements 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:

a random element.

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 nozero coefficients.

Returns:

a 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 nozero 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>>>

Returns:

a copy of 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.

Returns:

a Element corresponding to s.

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.

Returns:

the next Element found on r.