From 9bc52b33697bccb43fb6580812c0aaa7adae52b5 Mon Sep 17 00:00:00 2001
From: Vivien Delmon <vivien.delmon@creatis.insa-lyon.fr>
Date: Wed, 21 Aug 2013 11:32:52 +0200
Subject: [PATCH] Revert "Remove C++11 call to isnormal"

This reverts commit a845c6a04ecfeedc8eced5f4051e06ee88c59e90.
---
 tools/clitkImageUncertainty.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/clitkImageUncertainty.cxx b/tools/clitkImageUncertainty.cxx
index 9240bd8..bf5759f 100644
--- a/tools/clitkImageUncertainty.cxx
+++ b/tools/clitkImageUncertainty.cxx
@@ -39,7 +39,7 @@
 #include "itkImageRegionConstIterator.h"
 #include "itkImageRegionIterator.h"
 
-#include <limits>
+#include <cmath> // for isfinite
 
 //====================================================================
 int main(int argc, char * argv[]) {
@@ -79,7 +79,7 @@ int main(int argc, char * argv[]) {
 	double squared = pii.Get();
 	double mean = pi.Get();
 	double uncert = sqrt((NumberOfEvents*squared - mean*mean) / ((NumberOfEvents-1)*(mean*mean)));
-        if (uncert != uncert || uncert == std::numeric_limits<double>::infinity() || uncert == -std::numeric_limits<double>::infinity()) uncert = 1.;
+	if (!std::isnormal(uncert)) uncert = 1.;
 	po.Set(uncert);
 	++pi;
 	++pii;
-- 
2.47.1