[GitHub] [druid] benkrug commented on pull request #13671: docs: clarify Java precision

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benkrug commented on PR #13671:
URL: https://github.com/apache/druid/pull/13671#issuecomment-1386275064

   As far as max/min bounds, this seems accurate?  
   https://cs.fit.edu/~ryan/java/language/java-data.html (see the "Numeric" section.)
   So, for long, it's 2^63 (since one bit is for sign).
   Doubles are floating point, and precision varies depending on the size of the number.  
   We follow java, which follows standard IEEE 754  .  Precisions are discussed and graphed in the standard [here](https://en.wikipedia.org/wiki/IEEE_754).


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