package rtree;/** * A point in the n-dimensional space. All dimensions are stored in an array of floats. * <p> * Created: Tue May 18 15:01:38 1999 * <p> * @author Hadjieleftheriou Marios * @version 1.1 */public class Point extends Object implements Cloneable {    private float[] data;    public Point(float[] d) {	if (d == null) throw new	    IllegalArgumentException("Coordinates cannot be null.");	if (d.length < 2) throw new	    IllegalArgumentException("Point dimension should be greater than 1.");	data = new float[d.length];	System.arraycopy(d, 0, data, 0, d.length);    }    public Point(int[] d) {	if (d == null) throw new	    IllegalArgumentException("Coordinates cannot be null.");	if (d.length < 2) throw new	    IllegalArgumentException("Point dimension should be greater than 1.");	data = new float[d.length];	for (int i = 0; i < d.length; i++) {	    data[i] = (float) d[i];	}    }    public float getFloatCoordinate(int i) { 	return data[i];    }    public int getIntCoordinate(int i) { 	return (int) data[i];    }    public int getDimension() {	return data.length;    }    public boolean equals(Point p) {	if (p.getDimension() != getDimension()) {	    throw new IllegalArgumentException("Points must be of equal dimensions to be compared.");	}	boolean ret = true;	for (int i = 0; i < getDimension(); i++) {	    if (getFloatCoordinate(i) != p.getFloatCoordinate(i)) {		ret = false;		break;	    }	}	return ret;    }    public Object clone() {	float[] f = new float[data.length];	System.arraycopy(data, 0, f, 0, data.length);	return new Point(f);    }    public String toString() {	String s = "(" + data[0];		for (int i = 1; i < data.length; i++) {	    s += ", " + data[i];	}	return s + ")";    }	} // Point