package fr.alnotz;

public interface IsQuaternion {
    double getS();
    double getI();
    double getJ();
    double getK();
    void setS();
    void setI();
    void setJ();
    void setK();
    void plus(IsQuaternion quaternion);
    void times(IsQuaternion quaternion);
    void conjugate();
    boolean equals(IsQuaternion quaternion);
    String toString();
}