1 files changed, 45 insertions, 0 deletions
diff --git a/src/geod_interface.h b/src/geod_interface.h
new file mode 100644
index 00000000..161c7572
--- /dev/null
+++ b/src/geod_interface.h
@@ -0,0 +1,45 @@
+#if !defined(GEOD_INTERFACE_H)
+#define GEOD_INTERFACE_H
+
+#include "geodesic.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef _IN_GEOD_SET
+#  define GEOD_EXTERN extern
+#else
+#  define GEOD_EXTERN
+#endif
+
+GEOD_EXTERN struct geodesic {
+  double A, FLAT, LAM1, PHI1, ALPHA12, LAM2, PHI2, ALPHA21, DIST;
+} GEODESIC;
+
+# define geod_a	GEODESIC.A
+# define geod_f	GEODESIC.FLAT
+# define lam1	GEODESIC.LAM1
+# define phi1	GEODESIC.PHI1
+# define al12	GEODESIC.ALPHA12
+# define lam2	GEODESIC.LAM2
+# define phi2	GEODESIC.PHI2
+# define al21	GEODESIC.ALPHA21
+# define geod_S	GEODESIC.DIST
+    
+GEOD_EXTERN struct Geodesic GlobalGeodesic;
+GEOD_EXTERN struct GeodesicLine GlobalGeodesicLine;
+GEOD_EXTERN int n_alpha, n_S;
+GEOD_EXTERN double to_meter, fr_meter, del_alpha;
+	
+void geod_set(int, char **);
+void geod_ini(void);
+void geod_pre(void);
+void geod_for(void);
+void geod_inv(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif