tpoint_tile.h

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/*****************************************************************************
 *
 * This MobilityDB code is provided under The PostgreSQL License.
 *
 * Copyright (c) 2016-2021, Université libre de Bruxelles and MobilityDB
 * contributors
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose, without fee, and without a written 
 * agreement is hereby granted, provided that the above copyright notice and
 * this paragraph and the following two paragraphs appear in all copies.
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 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
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 *****************************************************************************/

#ifndef __TPOINT_TILE_H__
#define __TPOINT_TILE_H__

#include "general/temporal.h"

#define MAXDIMS 4

/*****************************************************************************/

typedef struct
{
  int numdims;           
  int count[MAXDIMS];    
  uint8_t byte[1];       
} BitMatrix;

typedef struct STboxGridState
{
  bool done;           
  int i;               
  double size;         
  int64 tunits;        
  STBOX box;           
  Temporal *temp;      
  BitMatrix *bm;       
  double x;            
  double y;            
  double z;            
  TimestampTz t;       
  int coords[MAXDIMS]; 
} STboxGridState;

/*****************************************************************************/

extern Datum stbox_multidim_grid(PG_FUNCTION_ARGS);
extern Datum stbox_multidim_tile(PG_FUNCTION_ARGS);
extern Datum tpoint_space_split(PG_FUNCTION_ARGS);
extern Datum tpoint_space_time_split(PG_FUNCTION_ARGS);

/*****************************************************************************/

#endif