INCLUDES
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
-#ifdef FGFS
-# include <simgear/compiler.h>
-# include <math.h>
-#else
-# if defined(sgi) && !defined(__GNUC__)
-# include <math.h>
-# else
-# include <cmath>
-# endif
-#endif
+#include <cmath>
#include "FGState.h"