From f450303321c4d37d908d5d9e6fcf480f27bf53e3 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Thu, 20 Dec 2012 18:11:49 +0100
Subject: Fix MSVC compilation: std::log was not accessible.

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

(limited to 'Eigen/src/Core/IO.h')

diff --git a/Eigen/src/Core/IO.h b/Eigen/src/Core/IO.h
index 78a83b722..50bf93d9f 100644
--- a/Eigen/src/Core/IO.h
+++ b/Eigen/src/Core/IO.h
@@ -128,6 +128,7 @@ struct significant_decimals_default_impl
   static inline int run()
   {
     using std::ceil;
+    using std::log;
     return cast<RealScalar,int>(ceil(-log(NumTraits<RealScalar>::epsilon())/log(RealScalar(10))));
   }
 };
-- 
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