quaternion-java/fr/alnotz/IsDual.java

package fr.alnotz;

public interface IsDual {
    double getR();
    double getD();
    void setR(double r);
    void setD(double d);
    void plus(IsDual dual);
    void times(IsDual dual);
    void conjugate();
    boolean equals(IsDual dual);
    String toString();
}