From af17770680f23fe3d858cb461b4983795f7e8810 Mon Sep 17 00:00:00 2001
From: bjornpiltz <anonymous@invalid.net>
Date: Thu, 3 Dec 2009 09:27:15 +0100
Subject: [PATCH] Fix compilation for MSVC.

---
 unsupported/Eigen/src/NumericalDiff/NumericalDiff.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/unsupported/Eigen/src/NumericalDiff/NumericalDiff.h b/unsupported/Eigen/src/NumericalDiff/NumericalDiff.h
index 98872e0bc..db6f791df 100644
--- a/unsupported/Eigen/src/NumericalDiff/NumericalDiff.h
+++ b/unsupported/Eigen/src/NumericalDiff/NumericalDiff.h
@@ -45,10 +45,11 @@ enum NumericalDiffMode {
   *
   * Currently only "Forward" and "Central" scheme are implemented.
   */
-template<typename Functor, NumericalDiffMode mode=Forward>
-class NumericalDiff : public Functor
+template<typename _Functor, NumericalDiffMode mode=Forward>
+class NumericalDiff : public _Functor
 {
 public:
+    typedef _Functor Functor;
     typedef typename Functor::Scalar Scalar;
     typedef typename Functor::InputType InputType;
     typedef typename Functor::ValueType ValueType;