GitHub user liancheng opened a pull request:

    https://github.com/apache/spark/pull/1925

    [SQL] Using safe floating-point numbers in doctest

    Test code in `sql.py` tries to compare two floating-point numbers directly, 
and cased [build 
failure(s)](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/18365/consoleFull).
    
    [Doctest 
documentation](https://docs.python.org/3/library/doctest.html#warnings) 
recommends using numbers in the form of `I/2**J` to avoid the precision issue.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/liancheng/spark fix-pysql-fp-test

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/1925.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1925
    
----
commit e8059d4115cc286bfe87bad82bbd3b2fe8e16db0
Author: Cheng Lian <lian.cs....@gmail.com>
Date:   2014-08-13T16:07:47Z

    Using safe floating-point numbers in doctest

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