#include <math.h>
#include <grass/gis.h>
#include "pi.h"
Go to the source code of this file.
Functions | |
int | G_begin_rhumbline_equation (double lon1, double lat1, double lon2, double lat2) |
double | G_rhumbline_lat_from_lon (double lon) |
int G_begin_rhumbline_equation | ( | double | lon1, | |
double | lat1, | |||
double | lon2, | |||
double | lat2 | |||
) |
double G_rhumbline_lat_from_lon | ( | double | lon | ) |