Re: [PR] [SPARK-54918][SQL] Normalize -0.0 to 0.0 in array operations [spark]

["nchammas (via GitHub)" <gi...@apache.org>]

nchammas commented on PR #53695:
URL: https://github.com/apache/spark/pull/53695#issuecomment-4488384136

   This is an interesting proposal and is directly related to the work I did in https://github.com/apache/spark/pull/45036. Please take a look.
   
   There are special cases where values can be equal and distinct (-0.0/0.0), or unequal but not distinct (NaN/NaN).
   
   I agree that Spark should handle -0.0 consistently. However, I would consider it a safer change to ensure that -0.0 is always preserved, rather than always normalizing it to 0.0. This does not contradict IEEE 754.


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