/*
* The JTS Topology Suite is a collection of Java classes that
* implement the fundamental operations required to validate a given
* geo-spatial data set to a known topological specification.
*
* Copyright (C) 2001 Vivid Solutions
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* For more information, contact:
*
* Vivid Solutions
* Suite #1A
* 2328 Government Street
* Victoria BC V8T 5G5
* Canada
*
* (250)385-6040
* www.vividsolutions.com
*/
package com.revolsys.geometry.index.bintree;
/**
* Represents an (1-dimensional) closed interval on the Real number line.
*
* @version 1.7
*/
public class Interval {
public double min, max;
public Interval() {
this.min = 0.0;
this.max = 0.0;
}
public Interval(final double min, final double max) {
init(min, max);
}
public Interval(final Interval interval) {
init(interval.min, interval.max);
}
public boolean contains(final double p) {
return p >= this.min && p <= this.max;
}
public boolean contains(final double min, final double max) {
return min >= this.min && max <= this.max;
}
public boolean contains(final Interval interval) {
return contains(interval.min, interval.max);
}
public void expandToInclude(final Interval interval) {
if (interval.max > this.max) {
this.max = interval.max;
}
if (interval.min < this.min) {
this.min = interval.min;
}
}
public double getMax() {
return this.max;
}
public double getMin() {
return this.min;
}
public double getWidth() {
return this.max - this.min;
}
public void init(final double min, final double max) {
this.min = min;
this.max = max;
if (min > max) {
this.min = max;
this.max = min;
}
}
public boolean overlaps(final double min, final double max) {
if (this.min > max || this.max < min) {
return false;
}
return true;
}
public boolean overlaps(final Interval interval) {
return overlaps(interval.min, interval.max);
}
@Override
public String toString() {
return "[" + this.min + ", " + this.max + "]";
}
}