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https://issues.apache.org/jira/browse/MATH-1117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13982671#comment-13982671
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Cyrille Artho commented on MATH-1117:
-------------------------------------
Thanks for clarifying this one. I guess making these constructors
package-private may break existing code so the documentation is the best way to
warn the user.
By the way, the new documentation has a typo in "task" (currently "taks"). The
same typo is also in PolyhedronsSet.java. Of course that's easy to fix :-)
> twod.PolygonsSet.getSize produces NullPointerException if BSPTree has no nodes
> ------------------------------------------------------------------------------
>
> Key: MATH-1117
> URL: https://issues.apache.org/jira/browse/MATH-1117
> Project: Commons Math
> Issue Type: Bug
> Affects Versions: 3.2
> Environment: Mac OS 10.9, Java 6, 7
> Reporter: Cyrille Artho
> Fix For: 3.3
>
> Attachments: Report3.java, Report3_1.java
>
>
> org.apache.commons.math3.geometry.euclidean.twod.PolygonsSet.getSize() uses a
> tree internally:
> final BSPTree<Euclidean2D> tree = getTree(false);
> However, if that tree contains no data, it seems that the reference returned
> is null, which causes a subsequent NullPointerException.
> Probably an exception with a message ("tree has no data") would clarify that
> this is an API usage error.
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