alamb commented on issue #13279:
URL: https://github.com/apache/datafusion/issues/13279#issuecomment-2460405536

   > @alamb Is there a certain range for which float point numbers are compared 
equal to each other? any best practices?
   
   For determining groups, the comparison is exact equality even for floats 
(this is different for aggregates like SUM / AVG where floating point roundoff 
needs to be accounted for)


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