common.h


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/* See LICENSE file for copyright and license details. */
#include "libtellurian.h"

#include <stddef.h>
#include <math.h>


#if __GNUC__
# pragma GCC diagnostic ignored "-Wunsuffixed-float-constants"
#endif


#define radians(DEG)  ((double)M_PI / 180.0 * (DEG))
#define degrees(RAD)  (180.0 / (double)M_PI * (RAD))
#define haversin(X)   (fma(-0.5, cos(X), 0.5))


void libtellurian_vincenty_inverse__(double latitude1, double longitude1, double latitude2, double longitude2,
                                     double *distance_out, double *azimuth1_out, double *azimuth2_out);