From af2710ff37bdf11db7814f79c9ac18745d829a8e Mon Sep 17 00:00:00 2001
From: "Charles J. Cliffe" <cj@cubicproductions.com>
Date: Fri, 20 Nov 2015 19:32:53 -0500
Subject: [PATCH] Ubuntu fixes

---
 src/modules/modem/Modem.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/modules/modem/Modem.h b/src/modules/modem/Modem.h
index e11e18d..035bbe4 100644
--- a/src/modules/modem/Modem.h
+++ b/src/modules/modem/Modem.h
@@ -3,6 +3,7 @@
 #include "liquid/liquid.h"
 #include "IOThread.h"
 #include "AudioThread.h"
+#include <cmath>
 
 class ModemKit {
 public:
@@ -48,4 +49,4 @@ public:
     virtual void demodulate(ModemKit *kit, ModemIQData *input, AudioThreadInput *audioOut) = 0;
 private:
     static ModemFactoryList modemFactories;
-};
\ No newline at end of file
+};