[MATH-1162] contains(Region<S> region) method of AbstractRegion throws NullPointerException exception

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.3
• Fix Version/s: 3.4

Environment

tested on windows 8 and heroku

• Assignee: Unassigned
• Reporter: gün alppay
• Created: 04/Nov/14 14:34
• Updated: 26/Dec/14 19:50
• Resolved: 23/Nov/14 20:53

Description

the contains call on org.apache.commons.math3.geometry.partitioning.AbstractRegion throws an exception in the sample below:

import org.apache.commons.math3.geometry.partitioning.Region;
import org.apache.commons.math3.geometry.euclidean.twod.Vector2D;
import org.apache.commons.math3.geometry.euclidean.twod.Euclidean2D;
import org.apache.commons.math3.geometry.euclidean.twod.PolygonsSet;

class Test {
    public static void main(String[] args) {
	Region<Euclidean2D> p = new PolygonsSet( 1.0e-10, new Vector2D(4.267199999996532, -11.928637756014894),
	                                                  new Vector2D(4.267200000026445, -14.12360595809307), 
	                                                  new Vector2D(9.144000000273694, -14.12360595809307), 
	                                                  new Vector2D(9.144000000233383, -11.928637756020067));

	Region<Euclidean2D> w = new PolygonsSet( 1.0e-10,  new Vector2D(2.56735636510452512E-9, -11.933116461089332),
	                                                   new Vector2D(2.56735636510452512E-9, -12.393225665247766), 
	                                                   new Vector2D(2.56735636510452512E-9, -27.785625665247778), 
	                                                   new Vector2D(4.267200000030211, -27.785625665247778), 
	                                                   new Vector2D(4.267200000030211, -11.933116461089332));

	p.contains(w);
    }
}

the exception thrown is:

Exception in thread "main" java.lang.NullPointerException
        at org.apache.commons.math3.geometry.partitioning.AbstractRegion.isEmpty(AbstractRegion.java:263)
        at org.apache.commons.math3.geometry.partitioning.AbstractRegion.isEmpty(AbstractRegion.java:267)
        at org.apache.commons.math3.geometry.partitioning.AbstractRegion.isEmpty(AbstractRegion.java:267)
        at org.apache.commons.math3.geometry.partitioning.AbstractRegion.isEmpty(AbstractRegion.java:267)
        at org.apache.commons.math3.geometry.partitioning.AbstractRegion.isEmpty(AbstractRegion.java:267)
        at org.apache.commons.math3.geometry.partitioning.AbstractRegion.isEmpty(AbstractRegion.java:267)
        at org.apache.commons.math3.geometry.partitioning.AbstractRegion.isEmpty(AbstractRegion.java:267)
        at org.apache.commons.math3.geometry.partitioning.AbstractRegion.isEmpty(AbstractRegion.java:251)
        at org.apache.commons.math3.geometry.partitioning.AbstractRegion.contains(AbstractRegion.java:295)
        at Test.main(test.java:19)