Repository: spark
Updated Branches:
  refs/heads/master 30b182bcc -> b45202632


[SPARK-16214][EXAMPLES] fix the denominator of SparkPi

## What changes were proposed in this pull request?

reduce the denominator of SparkPi by 1

## How was this patch tested?

  integration tests

Author: 杨浩 <yangha...@163.com>

Closes #13910 from yanghaogn/patch-1.


Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/b4520263
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/b4520263
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/b4520263

Branch: refs/heads/master
Commit: b452026324da20f76f7d8b78e5ba1c007712e585
Parents: 30b182b
Author: 杨浩 <yangha...@163.com>
Authored: Mon Jun 27 08:31:52 2016 +0100
Committer: Sean Owen <so...@cloudera.com>
Committed: Mon Jun 27 08:31:52 2016 +0100

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 examples/src/main/scala/org/apache/spark/examples/SparkPi.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/spark/blob/b4520263/examples/src/main/scala/org/apache/spark/examples/SparkPi.scala
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diff --git a/examples/src/main/scala/org/apache/spark/examples/SparkPi.scala 
b/examples/src/main/scala/org/apache/spark/examples/SparkPi.scala
index 42f6cef..272c1a4 100644
--- a/examples/src/main/scala/org/apache/spark/examples/SparkPi.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/SparkPi.scala
@@ -36,7 +36,7 @@ object SparkPi {
       val y = random * 2 - 1
       if (x*x + y*y < 1) 1 else 0
     }.reduce(_ + _)
-    println("Pi is roughly " + 4.0 * count / n)
+    println("Pi is roughly " + 4.0 * count / (n - 1))
     spark.stop()
   }
 }


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