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Posted to dev@lucene.apache.org by "Ignacio Vera (JIRA)" <ji...@apache.org> on 2018/03/15 15:52:00 UTC

[jira] [Created] (LUCENE-8208) Vector.isNumericallyIdentical() can produce unexpected results

Ignacio Vera created LUCENE-8208:
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             Summary: Vector.isNumericallyIdentical() can produce unexpected results
                 Key: LUCENE-8208
                 URL: https://issues.apache.org/jira/browse/LUCENE-8208
             Project: Lucene - Core
          Issue Type: Bug
          Components: modules/spatial3d
            Reporter: Ignacio Vera


The method {{Vector.isNumericallyIdentical()}} seems to produce wrong results in some cases. For example it considers that vectors (1,0,0) and (-1,0,0) are numerically identical whichI is probably wrong.

This behavior might produce unexpected behaviors down the line.

 



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