/* open source routing machine Copyright (C) Dennis Luxen, others 2010 This program is free software; you can redistribute it and/or modify it under the terms of the GNU AFFERO General Public License as published by the Free Software Foundation; either version 3 of the License, or any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA or see http://www.gnu.org/licenses/agpl.txt. */ #ifndef GEOMETRY_H_ #define GEOMETRY_H_ #include inline double deg2rad(const double d) { return d*M_PI/180; } inline double rad2deg(const double r) { return r*180/M_PI; } inline double int2rad(long i) { return (i/100000.)*M_PI/180; } inline double lat2yrad(double lat) { return log(tan( M_PI/4 + lat/2 )); } #endif /* GEOMETRY_H_ */