GitHub user srowen opened a pull request:
https://github.com/apache/spark/pull/2801
SPARK-3803 [MLLIB] ArrayIndexOutOfBoundsException found in executing
computePrincipalComponents
Avoid overflow in computing n*(n+1)/2 as much as possible; throw explicit
error when Gramian computation will fail due to negative array size; warn about
large result when computing Gramian too
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/srowen/spark SPARK-3803
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/2801.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 #2801
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commit b4e6d92234c4796fca8a2ab07aa9d2edc63ac613
Author: Sean Owen <[email protected]>
Date: 2014-10-14T11:57:04Z
Avoid overflow in computing n*(n+1)/2 as much as possible; throw explicit
error when Gramian computation will fail due to negative array size; warn about
large result when computing Gramian too
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