From 9829cfe09b2a21088c096da730290b343a7fb52d Mon Sep 17 00:00:00 2001
From: Simon Rit <simon.rit@creatis.insa-lyon.fr>
Date: Thu, 21 Apr 2011 14:34:11 +0200
Subject: [PATCH] Use nan of std lib instead of sqrt(-1)

---
 vv/vvSlicer.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vv/vvSlicer.cxx b/vv/vvSlicer.cxx
index 88c5676..42f8303 100644
--- a/vv/vvSlicer.cxx
+++ b/vv/vvSlicer.cxx
@@ -1161,7 +1161,7 @@ double vvSlicer::GetScalarComponentAsDouble(vtkImageData *image, int X, double Y
       iy > image->GetWholeExtent()[3] ||
       iz < image->GetWholeExtent()[4] ||
       iz > image->GetWholeExtent()[5] )
-    return sqrt(-1.);
+    return std::numeric_limits<double>::quiet_NaN();
 
   image->SetUpdateExtent(ix, ix, iy, iy, iz, iz);
   image->Update();
-- 
2.47.1