From 05758e61449590f0da855a14648e7a9dd1ed41d4 Mon Sep 17 00:00:00 2001
From: Dave Goodwin <dgg@caltech.edu>
Date: Sat, 9 Oct 2004 22:01:35 +0000
Subject: [PATCH] *** empty log message ***

---
 ext/tpx/RedlichKwong.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ext/tpx/RedlichKwong.h b/ext/tpx/RedlichKwong.h
index 5861e60df..e7361f91b 100644
--- a/ext/tpx/RedlichKwong.h
+++ b/ext/tpx/RedlichKwong.h
@@ -2,6 +2,7 @@
 #define TPX_RK_H
 
 #include "Sub.h"
+#include <math.h>
 
 namespace tpx {