Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/2294#discussion_r17704444
--- Diff: mllib/src/main/scala/org/apache/spark/mllib/linalg/BLAS.scala ---
@@ -197,4 +201,368 @@ private[mllib] object BLAS extends Serializable {
throw new IllegalArgumentException(s"scal doesn't support vector
type ${x.getClass}.")
}
}
+
+ // For level-3 routines, we use the native BLAS.
+ private def nativeBLAS: NetlibBLAS = {
+ if (_nativeBLAS == null) {
+ _nativeBLAS = NativeBLAS
+ }
+ _nativeBLAS
+ }
+
+ /**
+ * C := alpha * A * B + beta * C
+ * @param transA specify whether to use matrix A, or the transpose of
matrix A. Should be "N" or
--- End diff --
Doc needs update. It is a boolean now.
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