From 438a599288e003b516b9d41838b3d280a1dc6b6e Mon Sep 17 00:00:00 2001
From: Alexey Spizhevoy <alexey.spizhevoy@itseez.com>
Date: Thu, 4 Jul 2013 16:57:20 +0400
Subject: [PATCH] added 'cmath' include

---
 modules/stitching/src/motion_estimators.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/modules/stitching/src/motion_estimators.cpp b/modules/stitching/src/motion_estimators.cpp
index 3640bd3cc0..494104d235 100644
--- a/modules/stitching/src/motion_estimators.cpp
+++ b/modules/stitching/src/motion_estimators.cpp
@@ -41,6 +41,7 @@
 //M*/
 
 #include "precomp.hpp"
+#include <cmath>
 #include "opencv2/calib3d/calib3d_c.h"
 
 using namespace cv;
@@ -252,8 +253,8 @@ bool BundleAdjusterBase::estimate(const std::vector<ImageFeatures> &features,
     bool ok = true;
     for (int i = 0; i < cam_params_.rows; ++i)
     {
-        if (isnan(cam_params_.at<double>(i,0)) ||
-            isinf(cam_params_.at<double>(i,0)))
+        if (std::isnan(cam_params_.at<double>(i,0)) ||
+            std::isinf(cam_params_.at<double>(i,0)))
         {
             ok = false;
             break;