GitHub user myui opened a pull request:
https://github.com/apache/incubator-hivemall/pull/121
[WIP][HIVEMALL-151] Support Matrix conversion from DoK to CSR/CSC matrix
## What changes were proposed in this pull request?
- Support Matrix conversion from DoK to CSR/CSC matrix
- Introduce FloatMatrix (dumped supported Java version from Java 7 to Java
8!)
- Revise SLIM implementation to use CSRMatrix converted from DoKMatrix for
[this
issue](https://github.com/apache/incubator-hivemall/pull/117#pullrequestreview-65179017)
## What type of PR is it?
Improvement, Refactoring
## What is the Jira issue?
https://issues.apache.org/jira/browse/HIVEMALL-151
## How was this patch tested?
unit tests, manual tests
## Checklist
(Please remove this section if not needed; check `x` for YES, blank for NO)
- [x] Did you apply source code formatter, i.e., `mvn formatter:format`,
for your commit?
- [ ] Did you run system tests on Hive (or Spark)?
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/myui/incubator-hivemall HIVEMALL-151
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-hivemall/pull/121.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 #121
----
commit 6240b09780de0a8bc79316cbe39ec19275a6d043
Author: Makoto Yui <[email protected]>
Date: 2017-10-05T11:27:19Z
Supported to_csr/csc in DokMatrix, added FloatMatrix, and bumped up
supported Java version from 1.7 to 1.8
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