package rebelsky.newvec;

/**
 * Something that knows how to compare vectors based on their
 * radius.
 */
public class CompareVectorsByRadius
{
	public int compare(Object alpha, Object beta)
	{
		double alphaRadius = alpha.getRadius();
		double betaRadius = beta.getRadius();
		if (Math.abs(alphaRadius - betaRadius) < .000001)
			return 0;
		else if (alphaRadius < betaRadius)
			return -1;
		else
			return 1;
	} // int compare(Object, Object)
/*
	public boolean equals(Object other)
	{
		// Strategy: Try some sample vectors.
		// Strategy: If both are objects in class CompareVectorsByRadius,
		//   they are both equal.  If not, they're not.
		return other instanceof CompareVectorByRadius;
		// Strategy: Don't bother to write equals at all.  Java will use
		// the default.
	} // equals(Object)
 */	
} // class CompareVectorsByRadius