1 // localconsts.hxx -- various constant that are shared
3 // Written by Curtis Olson, started September 2000.
5 // Copyright (C) 2000 Curtis L. Olson - http://www.flightgear.org/~curt
7 // This library is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU Library General Public
9 // License as published by the Free Software Foundation; either
10 // version 2 of the License, or (at your option) any later version.
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // Library General Public License for more details.
17 // You should have received a copy of the GNU Library General Public
18 // License along with this library; if not, write to the
19 // Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 // Boston, MA 02111-1307, USA.
25 #ifndef _SG_LOCAL_CONSTS_HXX
26 #define _SG_LOCAL_CONSTS_HXX
29 // Value of earth flattening parameter from ref [8]
33 // EPS = sqrt(1-(1-f)^2)
36 static const double FP = 0.003352813178;
37 static const double E = 0.996647186;
38 static const double EPS = 0.081819221;
39 static const double INVG = 0.031080997;
42 #endif // _SG_LOCAL_CONSTS_HXX