From 57e50789f30544daba1b8e554025af1c5352eee1 Mon Sep 17 00:00:00 2001
From: Hauke Heibel <hauke.heibel@gmail.com>
Date: Sun, 27 Jan 2013 13:46:06 +0100
Subject: [PATCH] Added missing using std::sqrt.

---
 Eigen/src/Core/MathFunctions.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Eigen/src/Core/MathFunctions.h b/Eigen/src/Core/MathFunctions.h
index 4ce616746..fab2d9a72 100644
--- a/Eigen/src/Core/MathFunctions.h
+++ b/Eigen/src/Core/MathFunctions.h
@@ -338,6 +338,7 @@ struct hypot_impl
     using std::max;
     using std::min;
     using std::abs;
+    using std::sqrt;
     RealScalar _x = abs(x);
     RealScalar _y = abs(y);
     RealScalar p = (max)(_x, _y);