JSci.maths.fields.Ring Maven / Gradle / Ivy
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JSci is a set of open source Java packages. The aim is to encapsulate scientific methods/principles in the most natural way possible. As such they should greatly aid the development of scientific based software.
It offers: abstract math interfaces, linear algebra (support for various matrix and vector types), statistics (including probability distributions), wavelets, newtonian mechanics, chart/graph components (AWT and Swing), MathML DOM implementation, ...
Note: some packages, like javax.comm, for the astro and instruments package aren't listed as dependencies (not available).
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package JSci.maths.fields;
import JSci.maths.groups.AbelianGroup;
/**
* This interface defines a ring.
* @jsci.planetmath Ring
* @version 1.0
* @author Mark Hale
*/
public interface Ring extends AbelianGroup {
/**
* Returns the unit element.
*/
Member one();
/**
* Returns true if the member is the unit element.
*/
boolean isOne(Member r);
/**
* This interface defines a member of a ring.
*/
interface Member extends AbelianGroup.Member {
/**
* The multiplication law.
* @param r a ring member
*/
Member multiply(Member r);
}
}