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)
Constructors for GenVectorModul.

Method Summary

GenVector<C>	copy(GenVector<C> c) copy vector.
boolean	equals(java.lang.Object other)
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.
GenVector<C>	getZERO() getZERO.
int	hashCode() Hash code for this vector module.
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	toString() toString method.

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)

Constructors for GenVectorModul.

Method Detail

toString

public java.lang.String toString()

toString method.

Overrides:

toString in class java.lang.Object

getZERO

public GenVector<C> getZERO()

getZERO.

Specified by:

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

Returns:

ZERO.

equals

public boolean equals(java.lang.Object other)

Overrides:

equals in class 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.