org.jscience.mathematics.analysis.polynomials
Class DoublePolynomialRing

java.lang.Object
  org.jscience.mathematics.analysis.polynomials.DoublePolynomialRing

All Implemented Interfaces:

Ring, AbelianGroup

public class DoublePolynomialRing
extends java.lang.Object
implements Ring

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Nested Class Summary

Nested classes/interfaces inherited from interface org.jscience.mathematics.algebraic.fields.Ring

Ring.Member

Field Summary

static DoublePolynomial	ONE DOCUMENT ME!
static DoublePolynomial	ZERO DOCUMENT ME!

Constructor Summary

protected

DoublePolynomialRing() Creates a new instance of PolynomialRing

Method Summary

static DoublePolynomialRing	getInstance() Singleton.
boolean	isNegative(AbelianGroup.Member a, AbelianGroup.Member b) Returns true if one member is the negative of the other.
boolean	isOne(Ring.Member r) Returns true if the member is the unit element.
boolean	isZero(AbelianGroup.Member g) Returns true if the member is the identity element of this group.
Ring.Member	one() Returns the unit element.
protected static Double[]	toDouble(double[] d) internal method for safe typecast
protected static double[]	toDouble(Field.Member[] f) internal method for safe typecast
AbelianGroup.Member	zero() Returns the identity element.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ZERO

public static final DoublePolynomial ZERO

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ONE

public static final DoublePolynomial ONE

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Constructor Detail

DoublePolynomialRing

protected DoublePolynomialRing()

Creates a new instance of PolynomialRing

Method Detail

getInstance

public static final DoublePolynomialRing getInstance()

Singleton.

Returns:

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isNegative

public boolean isNegative(AbelianGroup.Member a,
                          AbelianGroup.Member b)

Returns true if one member is the negative of the other.

Specified by:

isNegative in interface AbelianGroup

Parameters:

a - a group member

b - a group member

Returns:

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Throws:

java.lang.IllegalArgumentException - DOCUMENT ME!

isOne

public boolean isOne(Ring.Member r)

Returns true if the member is the unit element.

Specified by:

isOne in interface Ring

Parameters:

r - DOCUMENT ME!

Returns:

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Throws:

java.lang.IllegalArgumentException - DOCUMENT ME!

isZero

public boolean isZero(AbelianGroup.Member g)

Returns true if the member is the identity element of this group.

Specified by:

isZero in interface AbelianGroup

Parameters:

g - a group member

Returns:

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Throws:

java.lang.IllegalArgumentException - DOCUMENT ME!

one

public Ring.Member one()

Returns the unit element.

Specified by:

one in interface Ring

Returns:

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zero

public AbelianGroup.Member zero()

Returns the identity element.

Specified by:

zero in interface AbelianGroup

Returns:

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toDouble

protected static double[] toDouble(Field.Member[] f)

internal method for safe typecast

Parameters:

f - DOCUMENT ME!

Returns:

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Throws:

java.lang.IllegalArgumentException - DOCUMENT ME!

toDouble

protected static Double[] toDouble(double[] d)

internal method for safe typecast

Parameters:

d - DOCUMENT ME!

Returns:

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