/** * Copies source to dest. * <p>Neither source nor dest can be null.</p> * * @param source Variance to copy * @param dest Variance to copy to * @throws NullArgumentException if either source or dest is null */ public static void copy(Variance source, Variance dest) { MathUtils.checkNotNull(source); MathUtils.checkNotNull(dest); dest.setData(source.getDataRef()); dest.moment = (SecondMoment)source.moment.copy(); dest._isBiasCorrected = source._isBiasCorrected; dest.incMoment = source.incMoment; }