tgeo_distance.h

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#ifndef __TGEO_DISTANCE_H__
#define __TGEO_DISTANCE_H__
 
/* PostgreSQL */
#include <postgres.h>
/* PostGIS */
#include <liblwgeom.h>
/* MEOS */
#include <meos.h>
#include "temporal/temporal.h"
 
/*****************************************************************************/
 
extern bool point3d_min_dist(const POINT3DZ *p1, const POINT3DZ *p2,
  const POINT3DZ *p3, const POINT3DZ *p4, double *fraction);
 
extern int tgeompointsegm_distance_turnpt(Datum start1, Datum end1,
  Datum start2, Datum end2, Datum param UNUSED, TimestampTz lower, TimestampTz upper,
  TimestampTz *t1, TimestampTz *t2);
extern int tgeogpointsegm_distance_turnpt(Datum start1, Datum end1,
  Datum start2, Datum end2, Datum param UNUSED, TimestampTz lower, TimestampTz upper,
  TimestampTz *t1, TimestampTz *t2);
  
extern double tnumberinst_distance(const TInstant *inst1,
  const TInstant *inst2);
extern double tinstant_distance(const TInstant *inst1, const TInstant *inst2,
  datum_func2 func);
 
/*****************************************************************************/
 
#endif /* __TGEO_DISTANCE_H__ */