//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#include <math.h>
-#if defined( macintosh )
-const float system_gamma = 1.4;
-
-#elif defined (sgi)
-const float system_gamma = 1.7;
+#if defined (sgi)
+const float system_gamma = 2.0/1.7;
#else // others
const float system_gamma = 2.5;