Initial stab at the new WPILib.

Change-Id: Id04cc07649959566deb5b4fa637267072a5191ca
diff --git a/motors/algorithms_test.cc b/motors/algorithms_test.cc
index 87cb5b5..32ca8b7 100644
--- a/motors/algorithms_test.cc
+++ b/motors/algorithms_test.cc
@@ -1,6 +1,7 @@
 #include "motors/algorithms.h"
 
 #include <inttypes.h>
+#include <cmath>
 
 #include "gtest/gtest.h"