From 522fc86225f2bbf61342f1b96386c514e70f884c Mon Sep 17 00:00:00 2001
From: Edgar Velazquez-Armendariz <eva5@cs.cornell.edu>
Date: Mon, 21 Jan 2013 17:56:18 -0500
Subject: [PATCH] MSVC defines std::greater<T> in <functional>

---
 src/medium/maxexp.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/medium/maxexp.h b/src/medium/maxexp.h
index 010dbfab..2d38c666 100644
--- a/src/medium/maxexp.h
+++ b/src/medium/maxexp.h
@@ -19,6 +19,10 @@
 #if !defined(__MAXEXP_H)
 #define __MAXEXP_H
 
+#if defined(_MSC_VER)
+# include <functional>
+#endif
+
 MTS_NAMESPACE_BEGIN
 
 class MaxExpDist {