GitHub user mengxr opened a pull request:
https://github.com/apache/incubator-spark/pull/645
SPARK-1129: use a predefined seed when seed is zero in XORShiftRandom
If the seed is zero, XORShift generates all zeros, which would create
unexpected result.
JIRA: https://spark-project.atlassian.net/browse/SPARK-1129
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mengxr/incubator-spark xor
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-spark/pull/645.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 #645
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commit 51f4050430a6627f979e4b044e6614c667931212
Author: Xiangrui Meng <m...@databricks.com>
Date: 2014-02-25T02:08:07Z
use a predefined seed when seed is zero in XORShiftRandom
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