RingI

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All Superinterfaces:

AbelianGroupI, GroupI

All Known Subinterfaces:

FieldI, IntegralDomainI

All Known Implementing Classes:

AlgebraicExtension, BigReals, ExtendedFreeGroup, FreeGroup, Integers, Quaternions, Rationals, Reals, Zn
```
public interface RingI
extends AbelianGroupI
```
Defines the operations on a ring, i.e. an abelian group under + with a closed * operator and * distributitive over +.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`Number`	`getONE()` Get multiplicative identity i.e.
`Number`	`mul(Number a, Number b)` Returns the product of two numbers, a*b

Methods inherited from interface org.lsmp.djep.groupJep.GroupI
add, addStandardConstants, addStandardFunctions, equals, getInverse, getNumberFactory, getZERO, isConstantPoly, sub, valueOf

- Method Detail
  - mul
```
Number mul(Number a,
           Number b)
```
    Returns the product of two numbers, a*b
  - getONE
```
Number getONE()
```
    Get multiplicative identity i.e. 1. Strictly speaking a ring need not have a mul indentity. However most useful ones do, and they are not all integral domains.

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Jas4pp 1.5 © Java Analysis Studio for Particle Physics