Wenchen Fan 43b149fb88 [SPARK-14850][ML] convert primitive array from/to unsafe array directly in VectorUDT/MatrixUDT ... ## What changes were proposed in this pull request? This PR adds `fromPrimitiveArray` and `toPrimitiveArray` in `UnsafeArrayData`, so that we can do the conversion much faster in VectorUDT/MatrixUDT. ## How was this patch tested? existing tests and new test suite `UnsafeArraySuite` Author: Wenchen Fan <wenchen@databricks.com> Closes #12640 from cloud-fan/ml.		2016-04-29 23:04:51 -07:00
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src	[SPARK-14850][ML] convert primitive array from/to unsafe array directly in VectorUDT/MatrixUDT	2016-04-29 23:04:51 -07:00
pom.xml	Revert "[SPARK-14613][ML] Add @Since into the matrix and vector classes in spark-mllib-local"	2016-04-28 19:57:41 -07:00