Github user dbtsai commented on a diff in the pull request: https://github.com/apache/spark/pull/1425#discussion_r15013786 --- Diff: mllib/src/test/scala/org/apache/spark/mllib/evaluation/BinaryClassificationMetricsSuite.scala --- @@ -20,8 +20,20 @@ package org.apache.spark.mllib.evaluation import org.scalatest.FunSuite import org.apache.spark.mllib.util.LocalSparkContext +import org.apache.spark.mllib.util.TestingUtils._ class BinaryClassificationMetricsSuite extends FunSuite with LocalSparkContext { + + implicit class SeqDoubleWithAlmostEquals(val x: Seq[Double]) { + def almostEquals(y: Seq[Double], eps: Double = 1E-6): Boolean = --- End diff -- Yeah, for one ulp, it might be 10e-15. Lots of time, I manually type the numbers or just copy the first couple dights of numbers to save the line space, so that's why I chose 1.0e-6. Thus, I can just type around 7 digits of numbers. I agree with you that in this case, we may want to explicitly specify with larger epsilon.
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