From d6616e1786e9cddd21bd067538247e70fcd490c3 Mon Sep 17 00:00:00 2001
From: couriersud <couriersud@arcor.de>
Date: Tue, 7 Jun 2016 23:13:34 +0200
Subject: [PATCH] Fix travis build. (nw)

---
 src/lib/netlist/nl_base.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lib/netlist/nl_base.h b/src/lib/netlist/nl_base.h
index 6e6b938408d..7828c2f3f61 100644
--- a/src/lib/netlist/nl_base.h
+++ b/src/lib/netlist/nl_base.h
@@ -157,6 +157,7 @@
 
 #include <vector>
 #include <memory>
+#include <cmath>
 
 #include "nl_lists.h"
 #include "nl_time.h"