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https://issues.apache.org/jira/browse/MATH-1162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14208655#comment-14208655
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Luc Maisonobe commented on MATH-1162:
-------------------------------------
I've made some progress in the analysis. The error is not in the
chopOffPlus/chopOffMinus methods but it occurs earlier in the BSP tree merging
phase. Debugging this is unfortunately quite hard. I hope I'll understand what
happens in the nexxt few days.
I don't think the second problem is similar to the first one you reported.
Could you open a separate JIRA issue for it?
> 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
>
> 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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