temporal_boxops.h

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#ifndef __TEMPORAL_BOXOPS_H__
#define __TEMPORAL_BOXOPS_H__
 
/* PostgreSQL */
#include <postgres.h>
/* MEOS */
#include <meos.h>
#include "temporal/meos_catalog.h"
 
/*****************************************************************************/
 
#define TEMPORAL_MAX_HEADER_SIZE \
    DOUBLE_PAD(Max(Max(sizeof(TInstant), sizeof(TSequence)), \
    sizeof(TSequenceSet))) + DOUBLE_PAD(sizeof(bboxunion))
 
/*****************************************************************************/
 
/* Compute the bounding box at the creation of temporal values */
 
extern size_t temporal_bbox_size(meosType tempype);
extern void tinstant_set_bbox(const TInstant *inst, void *bbox);
extern void tinstarr_set_bbox(const TInstant **instants, int count,
  bool lower_inc, bool upper_inc, interpType interp, void *bbox);
extern void tsequence_compute_bbox(TSequence *seq);
extern void tseqarr_compute_bbox(const TSequence **seqs, int count,
  void *bbox);
extern void tsequenceset_compute_bbox(TSequenceSet *ss);
 
/* Bounding box operators for temporal types */
 
extern bool boxop_temporal_tstzspan(const Temporal *temp, const Span *s,
  bool (*func)(const Span *, const Span *), bool invert);
extern bool boxop_temporal_temporal(const Temporal *temp1,
  const Temporal *temp2, bool (*func)(const Span *, const Span *));
 
extern bool boxop_tnumber_numspan(const Temporal *temp, const Span *span,
  bool (*func)(const Span *, const Span *), bool invert);
extern bool boxop_tnumber_tbox(const Temporal *temp, const TBox *box,
  bool (*func)(const TBox *, const TBox *), bool invert);
extern bool boxop_tnumber_tnumber(const Temporal *temp1, const Temporal *temp2,
  bool (*func)(const TBox *, const TBox *));
 
/*****************************************************************************/
 
#endif /* __TEMPORAL_BOXOPS_H__ */