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From gün alppay (JIRA) <j...@apache.org>
Subject [jira] [Commented] (MATH-1162) contains(Region<S> region) method of AbstractRegion throws NullPointerException exception
Date Tue, 09 Dec 2014 20:55:12 GMT

    [ https://issues.apache.org/jira/browse/MATH-1162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14240041#comment-14240041
] 

gün alppay commented on MATH-1162:
----------------------------------

thanks again for fixing this Luc. we've verified the fix on our end and integrated the update.


> contains(Region<S> region) method of AbstractRegion throws NullPointerException
exception 
> ------------------------------------------------------------------------------------------
>
>                 Key: MATH-1162
>                 URL: https://issues.apache.org/jira/browse/MATH-1162
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 3.3
>         Environment: tested on windows 8 and heroku
>            Reporter: gün alppay
>             Fix For: 3.4
>
>
> the contains call on org.apache.commons.math3.geometry.partitioning.AbstractRegion throws
an exception in the sample below:
> {noformat}
> 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);
>     }
> }
> {noformat}
> the exception thrown is:
> {noformat}
> 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)
> {noformat} 



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