Fixes to jsbsim.

[flightgear.git] / src / Joystick / joystick.cxx

diff --git a/src/Joystick/joystick.cxx b/src/Joystick/joystick.cxx
index 18f81ac1f62cf22bcdb530d2ce288a28e5f55898..b0daf424bccb1864175d9abfae8347b45f128bc3 100644 (file)
--- a/src/Joystick/joystick.cxx
+++ b/src/Joystick/joystick.cxx
@@ -30,6 +30,8 @@
 #  include <windows.h>                     
 #endif
 
+#include <math.h>
+
 #include <string>
 
 #include <simgear/misc/props.hxx>