/**
* Copies source to dest.
* <p>Neither source nor dest can be null.</p>
*
* @param source SecondMoment to copy
* @param dest SecondMoment to copy to
* @throws NullArgumentException if either source or dest is null
*/
public static void copy(SecondMoment source, SecondMoment dest)
{
MathUtils.checkNotNull(source);
MathUtils.checkNotNull(dest);
FirstMoment.copy(source, dest);
dest.m2 = source.m2;
}
public override UnivariateStatistic copy()//TODO: Supposed to be public override FirstMoment copy()
{
FirstMoment result = new FirstMoment();
// No try-catch or advertised exception because args are guaranteed non-null
copy(this, result);
return(result);
}
/**
* Copies source to dest.
* <p>Neither source nor dest can be null.</p>
*
* @param source FirstMoment to copy
* @param dest FirstMoment to copy to
* @throws NullArgumentException if either source or dest is null
*/
public static void copy(FirstMoment source, FirstMoment dest)
{
MathUtils.checkNotNull(source);
MathUtils.checkNotNull(dest);
dest.setData(source.getDataRef());
dest.n = source.n;
dest.m1 = source.m1;
dest.dev = source.dev;
dest.nDev = source.nDev;
}
/**
* Copy constructor, creates a new {@code FirstMoment} identical
* to the {@code original}
*
* @param original the {@code FirstMoment} instance to copy
* @throws NullArgumentException if original is null
*/
public FirstMoment(FirstMoment original)
{
copy(original, this);
}
/**
* Constructs a Mean with an External Moment.
*
* @param m1 the moment
*/
public Mean(FirstMoment m1)
{
moment = m1;
incMoment = false;
}
/** Constructs a Mean. */
public Mean()
{
incMoment = true;
moment = new FirstMoment();
}
