[mlpack-git] master: Fix -Wuninitialized. (0e93455)

[gitdub at big.cc.gt.atl.ga.us]

Repository : https://github.com/mlpack/mlpack

On branch  : master
Link       : https://github.com/mlpack/mlpack/compare/de9cc4b05069e1fa4793d9355f2f595af5ff45d2...6070527af14296cd99739de6c62666cc5d2a2125

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commit 0e93455dddbd5b3c052731c1191fe4bc21343275
Author: Ryan Curtin <ryan at ratml.org>
Date:   Fri Nov 13 07:13:30 2015 -0800

    Fix -Wuninitialized.


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0e93455dddbd5b3c052731c1191fe4bc21343275
 src/mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp b/src/mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp
index 5bc1715..ce0164c 100644
--- a/src/mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp
+++ b/src/mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp
@@ -347,8 +347,8 @@ size_t HoeffdingTree<
 
     // Some split procedures can split multiple ways, but we only care about the
     // best two splits that can be done in every network.
-    double bestGain;
-    double secondBestGain;
+    double bestGain = 0.0;
+    double secondBestGain = 0.0;
     if (type == data::Datatype::categorical)
       categoricalSplits[index].EvaluateFitnessFunction(bestGain,
           secondBestGain);