Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/871#discussion_r34140107
--- Diff:
flink-staging/flink-ml/src/main/scala/org/apache/flink/ml/recommendation/ALS.scala
---
@@ -25,11 +25,15 @@ import org.apache.flink.api.scala._
import org.apache.flink.api.common.operators.Order
import org.apache.flink.core.memory.{DataOutputView, DataInputView}
import org.apache.flink.ml.common._
-import org.apache.flink.ml.pipeline.{FitOperation,
PredictDataSetOperation, Predictor}
+import org.apache.flink.ml.evaluation.RegressionScores
+import org.apache.flink.ml.math.{DenseVector, BLAS}
+import org.apache.flink.ml.pipeline._
import org.apache.flink.types.Value
import org.apache.flink.util.Collector
-import org.apache.flink.api.common.functions.{Partitioner =>
FlinkPartitioner, GroupReduceFunction, CoGroupFunction}
+import org.apache.flink.api.common.functions.{Partitioner =>
FlinkPartitioner,
+ GroupReduceFunction, CoGroupFunction}
+// TODO: Use only one BLAS interface
--- End diff --
You're right. Let's open a separate PR for this.
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