rewrote algo for Pi calculation to use 'map' instead of 'for-yield'

2011-04-01 23:34:11 +02:00 · 2011-04-01 23:34:11 +02:00 · 03914a2b0f
commit 03914a2b0f
parent 4ba2296c16
1 changed files with 1 additions and 2 deletions
--- a/akka-tutorials/akka-tutorial-pi-sbt/src/main/scala/Pi.scala
+++ b/akka-tutorials/akka-tutorial-pi-sbt/src/main/scala/Pi.scala
@ -74,8 +74,7 @@ object Pi  {
    // define the work
    val algorithm = (i: Int) => {
      val range = (i * nrOfElements) to ((i + 1) * nrOfElements - 1)
-      val results = for (j <- range) yield (4 * math.pow(-1, j) / (2 * j + 1))
-      results.sum
+      range map (j => 4 * math.pow(-1, j) / (2 * j + 1)) sum
    }

    // message handler