ASF GitHub Bot commented on METRON-426:

Github user cestella commented on the issue:

    The issue around the `StellarScientificTest` change is that merging 
t-digests is not precisely the same as adding the same data to one t-digest.  
Whether this is a bug in the t-digest code or whether it's an artifact of the 
theory, I don't know.  Because this test is using low amounts of data, it's 
prone to a bit of jitter it seems and the compression level specified before 
isn't sufficient to ensure that the epsilon chosen (1e-2) is sufficient for 
repeated runs.  I tightened up the compression level to 150 (which is still 
quite sensible) to make sure we can support at least 1e-2 accuracy for normally 
distributed data across 100 runs of 1000 elements.

> Stellar does not support scientific notation as a literal
> ---------------------------------------------------------
>                 Key: METRON-426
>                 URL: https://issues.apache.org/jira/browse/METRON-426
>             Project: Metron
>          Issue Type: Bug
>            Reporter: Casey Stella
>            Assignee: Casey Stella
>             Fix For: 0.2.1BETA
>   Original Estimate: 1h
>  Remaining Estimate: 1h
> Stellar does not support scientific notation for expressing literal doubles.  
> It should.

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