From aaaa9301a84c9a0a0e1b3b8da7a0970f77f58115 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Tue, 19 Apr 2011 16:35:48 +0200
Subject: [PATCH] fix bug #250 (gcc 4.6 compilation)

---
 Eigen/Core | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Eigen/Core b/Eigen/Core
index e5bf2f207..9ad5cfabb 100644
--- a/Eigen/Core
+++ b/Eigen/Core
@@ -52,6 +52,7 @@
   #endif
 #endif
 
+#include <cstddef>
 #include <cstdlib>
 #include <cmath>
 #include <complex>