From c369824de7d0e93da55c8b64fb9f903bff3b2bfb Mon Sep 17 00:00:00 2001
From: Phil Steitz <psteitz@apache.org>
Date: Sat, 1 Jan 2011 21:06:29 +0000
Subject: [PATCH] Fixed checkstyle errors: hidden fields, missing javadoc.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1054289 13f79535-47bb-0310-9956-ffa450edef68
---
 .../math/distribution/ExponentialDistributionImpl.java | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/apache/commons/math/distribution/ExponentialDistributionImpl.java b/src/main/java/org/apache/commons/math/distribution/ExponentialDistributionImpl.java
index 1e685d499..ae11154c3 100644
--- a/src/main/java/org/apache/commons/math/distribution/ExponentialDistributionImpl.java
+++ b/src/main/java/org/apache/commons/math/distribution/ExponentialDistributionImpl.java
@@ -271,15 +271,21 @@ public class ExponentialDistributionImpl extends AbstractContinuousDistribution
      */
     @Override
     protected double calculateNumericalVariance() {
-        final double mean = getMean();
-        return mean * mean;
+        final double m = getMean();
+        return m * m;
     }
 
+    /**
+     * {@inheritDoc}
+     */
     @Override
     public boolean isSupportLowerBoundInclusive() {
         return true;
     }
 
+    /**
+     * {@inheritDoc}
+     */
     @Override
     public boolean isSupportUpperBoundInclusive() {
         return false;