org.jscience.mathematics.algebraic.fields
Interface Ring

All Superinterfaces:

AbelianGroup

All Known Subinterfaces:

Field

All Known Implementing Classes:

BooleanMatrixAlgebra, BooleanRing, ComplexField, ComplexMatrixAlgebra, ComplexPolynomialRing, DoubleField, DoubleMatrixAlgebra, DoublePolynomialRing, ExactComplexField, ExactComplexPolynomialRing, ExactIntegerRing, ExactRationalField, ExactRealField, ExactRealPolynomialRing, IntegerMatrixAlgebra, IntegerRing, RationalField

public interface Ring
extends AbelianGroup

This interface defines a ring.

Nested Class Summary

static interface

Ring.Member This interface defines a member of a ring.

Method Summary

boolean	isOne(Ring.Member r) Returns true if the member is the unit element.
Ring.Member	one() Returns the unit element.

Methods inherited from interface org.jscience.mathematics.algebraic.groups.AbelianGroup

isNegative, isZero, zero

Method Detail

one

Ring.Member one()

Returns the unit element.

Returns:

DOCUMENT ME!

isOne

boolean isOne(Ring.Member r)

Returns true if the member is the unit element.

Parameters:

r - DOCUMENT ME!

Returns:

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