trgeo_distance.h

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 * Copyright (c) 2016-2025, Université libre de Bruxelles and MobilityDB
 * contributors
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#ifndef __TRGEO_DISTANCE_H__
#define __TRGEO_DISTANCE_H__
 
/* PostgreSQL */
#include <postgres.h>
/* PostGIS */
#include <liblwgeom.h>
/* MEOS */
#include "temporal/temporal.h"
#include "pose/pose.h"
 
/*****************************************************************************
 * Struct definitions
 *****************************************************************************/
 
#define MEOS_ANY             0
#define MEOS_RIGHT           1
#define MEOS_LEFT            2
 
#define MEOS_SOLVE_0         true
#define MEOS_SOLVE_1         false
 
#define MEOS_CFP_STORE       true
#define MEOS_CFP_STORE_NO    false
 
#define MEOS_CFP_FREE        true
#define MEOS_CFP_FREE_NO     false
 
/* Closest features pair */
 
typedef struct {
  LWGEOM *geom_1;
  LWGEOM *geom_2;
  Pose *pose_1;
  Pose *pose_2;
  bool free_pose_1;
  bool free_pose_2;
  uint32_t cf_1;
  uint32_t cf_2;
  TimestampTz t;
  bool store;
} cfp_elem;
 
/* List of CFPs */
 
typedef struct {
  size_t count;
  size_t size;
  cfp_elem *arr;
} cfp_array;
 
/* Closest features pair */
 
typedef struct {
  double dist;;
  TimestampTz t;
} tdist_elem;
 
/* List of CFPs */
 
typedef struct {
  size_t count;
  size_t size;
  tdist_elem *arr;
} tdist_array;
 
/*****************************************************************************/
 
#endif /* __TRGEO_DISTANCE_H__ */