X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fconstants.h;h=df0fc8baa3e2d74870ec68551b087322090633d5;hb=b3bc36b2534d05c37e5f687f8deccfc9f8659abe;hp=3d8a82fb75af27c2df218e78bec61486333b0430;hpb=353dd73e243e56ed375e6fac9adebd0f819a05c5;p=simgear.git

diff --git a/simgear/constants.h b/simgear/constants.h
index 3d8a82fb..df0fc8ba 100644
--- a/simgear/constants.h
+++ b/simgear/constants.h
@@ -31,14 +31,8 @@
 
 #include <simgear/compiler.h>
 
-#ifdef SG_HAVE_STD_INCLUDES
-#  include <cmath>
-#else
-#  ifdef SG_MATH_EXCEPTION_CLASH
-#    define exception C_exception
-#  endif
-#  include <math.h>
-#endif
+#include <cmath>
+
 
 #include <plib/sg.h>
 
@@ -75,6 +69,8 @@
  *  6378.165 but this is probably close enough */
 #define SG_EARTH_RAD 6378.155
 
+// Maximum terrain elevation from sea level
+#define SG_MAX_ELEVATION_M 9000.0
 
 // Earth parameters for WGS 84, taken from LaRCsim/ls_constants.h