org.lsmp.djep.groupJep.groups
Class ExtendedFreeGroup

java.lang.Object
  org.lsmp.djep.groupJep.groups.Group
      org.lsmp.djep.groupJep.groups.FreeGroup
          org.lsmp.djep.groupJep.groups.ExtendedFreeGroup

All Implemented Interfaces:

GroupI, AbelianGroupI, HasDivI, HasPowerI, RingI

Direct Known Subclasses:

AlgebraicExtension

public class ExtendedFreeGroup
extends FreeGroup
implements HasPowerI, HasDivI

An extended version of a Free Group, limted seport for powers and division. Positive integer powers are allowed and division by constants. TODO implement polynomial division and remainder (mod).

Author:

Rich Morris Created on 07-Dec-2004

Field Summary

Fields inherited from class org.lsmp.djep.groupJep.groups.FreeGroup

baseRing, rootVal, symbol, tPoly, unitPoly, zeroPoly

Constructor Summary

ExtendedFreeGroup(RingI K, java.lang.String symbol)

Method Summary

java.lang.Number	div(java.lang.Number a, java.lang.Number b) Currently just division by constants.
java.lang.Number	pow(java.lang.Number a, java.lang.Number b) Limited implementation of power, only works with integer powers.

Methods inherited from class org.lsmp.djep.groupJep.groups.FreeGroup

add, addStandardConstants, equals, getBaseRing, getInverse, getONE, getRootVal, getSymbol, getTPoly, getZERO, isConstantPoly, mul, setRootVal, setRootVal, sub, toString, valueOf, valueOf

Methods inherited from class org.lsmp.djep.groupJep.groups.Group

addStandardFunctions, getNumberFactory

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.lsmp.djep.groupJep.GroupI

addStandardFunctions, getNumberFactory

Constructor Detail

ExtendedFreeGroup

public ExtendedFreeGroup(RingI K,
                         java.lang.String symbol)

Method Detail

pow

public java.lang.Number pow(java.lang.Number a,
                            java.lang.Number b)

Limited implementation of power, only works with integer powers. Second argument should be an Integer.

Specified by:

pow in interface HasPowerI

div

public java.lang.Number div(java.lang.Number a,
                            java.lang.Number b)

Currently just division by constants. Polynomial division to come.

Specified by:

div in interface HasDivI