From ce490b014a86baf88e8f890ee42b3deb69a8e2b1 Mon Sep 17 00:00:00 2001
From: Andreas Suter <andreas.suter@psi.ch>
Date: Mon, 16 Feb 2015 15:49:50 +0100
Subject: [PATCH] added missing header file

---
 src/classes/PPrepFourier.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/classes/PPrepFourier.cpp b/src/classes/PPrepFourier.cpp
index cf077229..907689e9 100644
--- a/src/classes/PPrepFourier.cpp
+++ b/src/classes/PPrepFourier.cpp
@@ -27,6 +27,8 @@
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 
+#include <cmath>
+
 #include "PPrepFourier.h"
 
 //--------------------------------------------------------------------------