44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/*
|
|
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 <cmath>
|
|
|
|
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_ */
|