Make at least the header aliasing safe.

[simgear.git] / simgear / timing / sg_time.cxx

diff --git a/simgear/timing/sg_time.cxx b/simgear/timing/sg_time.cxx
index 3d164e72734e731b39201d38babddd6edfa04658..33777a572e495f49bea29209fa12bbf8251bc028 100644 (file)
--- a/simgear/timing/sg_time.cxx
+++ b/simgear/timing/sg_time.cxx
@@ -2,7 +2,7 @@
 //
 // Written by Curtis Olson, started August 1997.
 //
-// Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
+// Copyright (C) 1997  Curtis L. Olson  - http://www.flightgear.org/~curt
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Library General Public
@@ -14,10 +14,9 @@
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 // Library General Public License for more details.
 //
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-// Boston, MA  02111-1307, USA.
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 //
 // $Id$
 
@@ -279,7 +278,7 @@ void SGTime::updateLocal( double lon_rad, double lat_rad, const string& root ) {
         // not within -180 ... 180
         lon_rad = 0.0;
     }
-    if ( lat_rad < -SGD_PI * 0.5 || lat_rad > SGD_PI * 0.5 ) {
+    if ( lat_rad < -SGD_PI_2 || lat_rad > SGD_PI_2 ) {
         // not within -90 ... 90
         lat_rad = 0.0;
     }
@@ -530,7 +529,7 @@ time_t sgTimeGetGMT(int year, int month, int day, int hour, int min, int sec)
 #else // ! defined ( MK_TIME_IS_GMT )
 
     // timezone seems to work as a proper offset for Linux & Solaris
-#   if defined( __linux__ ) || defined( __sun__ ) ||defined(__CYGWIN__)
+#   if defined( __linux__ ) || defined(__sun) ||defined(__CYGWIN__)
 #       define TIMEZONE_OFFSET_WORKS 1
 #   endif