From 891c83ff35b29e7d4d79d52eb9ff075edadfc51a Mon Sep 17 00:00:00 2001
From: Tomoaki Teshima <teshima@exvision.co.jp>
Date: Mon, 25 Jul 2016 08:27:52 +0900
Subject: [PATCH] fix build error   * NAN is not defined on some platform   *
 follow the comment on PR

---
 modules/core/test/test_arithm.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/core/test/test_arithm.cpp b/modules/core/test/test_arithm.cpp
index 68aa09b0ed..3264710807 100644
--- a/modules/core/test/test_arithm.cpp
+++ b/modules/core/test/test_arithm.cpp
@@ -1,5 +1,9 @@
 #include "test_precomp.hpp"
 #include <cmath>
+#ifndef NAN
+#include <limits> // numeric_limits<T>::quiet_NaN()
+#define NAN std::numeric_limits<float>::quiet_NaN()
+#endif
 
 using namespace cv;
 using namespace std;