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## What changes were proposed in this pull request? breeze 0.12 has been released for more than half a year, and it brings lots of new features, performance improvement and bug fixes. One of the biggest features is ```LBFGS-B``` which is an implementation of ```LBFGS``` with box constraints and much faster for some special case. We would like to implement Huber loss function for ```LinearRegression``` ([SPARK-3181](https://issues.apache.org/jira/browse/SPARK-3181)) and it requires ```LBFGS-B``` as the optimization solver. So we should bump up the dependent breeze version to 0.12. For more features, improvements and bug fixes of breeze 0.12, you can refer the following link: https://groups.google.com/forum/#!topic/scala-breeze/nEeRi_DcY5c ## How was this patch tested? No new tests, should pass the existing ones. Author: Yanbo Liang <ybliang8@gmail.com> Closes #14150 from yanboliang/spark-16494. |
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