Fix Farneback GPU Sample in GCC6

39874d72 · Louie Helm · 21fff4df · 39874d72
Commit 39874d72 authored Apr 27, 2017 by Louie Helm
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farneback_optical_flow.cpp samples/gpu/farneback_optical_flow.cpp +1 -0

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--- a/samples/gpu/farneback_optical_flow.cpp
+++ b/samples/gpu/farneback_optical_flow.cpp
 #include <iostream>
 #include <vector>
 #include <sstream>
+#include <cmath>

 #include "opencv2/core.hpp"
 #include "opencv2/core/utility.hpp"