static boolean compareSubGroups(final SubGroup pg1, final SubGroup pg2) {
        if(pg2 == null || (pg1.nrFaces != pg2.nrFaces)){
            return false;
        }
        boolean stillSame = true;
        int i = 0;        
        while (i < pg1.nrFaces && stillSame) {
            stillSame = pg1.triMembers[i] == pg2.triMembers[i];
            if (stillSame) {
                ++i;
            }
        }
        return stillSame;
    }
A private constructor to inhibit instantiation of this class.
jme3-core/src/main/java/com/jme3/util/mikktspace/MikktspaceTangentGenerator.java