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https://issues.apache.org/jira/browse/GEOMETRY-140?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matt Juntunen closed GEOMETRY-140.
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> Vector/Point EquivalenceComparator
> ----------------------------------
>
> Key: GEOMETRY-140
> URL: https://issues.apache.org/jira/browse/GEOMETRY-140
> Project: Apache Commons Geometry
> Issue Type: New Feature
> Reporter: Matt Juntunen
> Priority: Minor
>
> I propose adding the following static method to the VectorXD and PointXS
> classes, where {{P}} is the Vector/Point type:
> {code:java}
> public static Comparator<P> equivalenceComparator(Precision.DoubleEquivalence
> eq) {...}
> {code}
> The method would return a {{Comparator}} that delegates to the
> {{Precision.DoubleEquivalence.compare()}} method of the argument, passing
> each vector/point coordinate in order. This comparator could be used, for
> example, to create {{TreeMap}} or {{TreeSet}} instances that loosely compare
> vectors/points, as done currently in
> [SimpleTriangleMesh|https://github.com/apache/commons-geometry/blob/master/commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/threed/mesh/SimpleTriangleMesh.java#L679].
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