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https://issues.apache.org/jira/browse/GEOMETRY-21?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17360159#comment-17360159
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Gilles Sadowski commented on GEOMETRY-21:
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I guess that this issue has been fixed (?).
By the way, is there a reason to keep the "internal" {{Vectors}} class, rather
than directly use the "Commons Numbers" API ({{Norm}} enum)?
> Investigate Norm Accuracy
> -------------------------
>
> Key: GEOMETRY-21
> URL: https://issues.apache.org/jira/browse/GEOMETRY-21
> Project: Apache Commons Geometry
> Issue Type: Task
> Reporter: Matt Juntunen
> Priority: Minor
>
> Based on discussion in GEOMETRY-17, we should investigate the floating point
> accuracy of the current Vector normalization methods. Specifically, when the
> UnitVector private subclass in Vector3D is implemented to return exactly 1.0,
> the SphericalPolygonsSetTest#testGeographicalMap unit test in
> commons-geometry-enclosing begins to fail. We should
> # Determine the cause of this failure.
> # Determine if the current approach with the UnitVector subclasses
> introduces any issues with floating point accuracy.
> # Add unit tests for Vector[123]D to quantify and verify the accuracy of the
> normalization.
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