Method isNaN

src/main/java/field/linalg/Vec2.java:1324–1326

returns true if any component of this Double.isNaN @return is any component NaN ?

()

     * @return is any component NaN ?
     */
    public boolean isNaN() {
        return Double.isNaN(x) || Double.isNaN(y);
    }

    /**
     * returns an independent copy of this object