rt_mbr.h

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/* Copyright (c) 2002, 2023, Oracle and/or its affiliates.
 
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   it under the terms of the GNU General Public License, version 2.0,
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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/**
  @file storage/myisam/rt_mbr.h
*/
 
#ifndef _rt_mbr_h
#define _rt_mbr_h
 
#include <sys/types.h>
 
#include "my_compare.h"
#include "my_inttypes.h"
#include "myisam.h"
 
int rtree_key_cmp(HA_KEYSEG *keyseg, uchar *a, uchar *b, uint key_length,
                  uint nextflag);
int rtree_combine_rect(HA_KEYSEG *keyseg, uchar *, uchar *, uchar *,
                       uint key_length);
double rtree_rect_volume(HA_KEYSEG *keyseg, uchar *, uint key_length);
int rtree_d_mbr(HA_KEYSEG *keyseg, uchar *a, uint key_length, double *res);
double rtree_overlapping_area(HA_KEYSEG *keyseg, uchar *a, uchar *b,
                              uint key_length);
double rtree_area_increase(HA_KEYSEG *keyseg, uchar *a, uchar *b,
                           uint key_length, double *ab_area);
double rtree_perimeter_increase(HA_KEYSEG *keyseg, uchar *a, uchar *b,
                                uint key_length, double *ab_perim);
int rtree_page_mbr(MI_INFO *info, HA_KEYSEG *keyseg, uchar *page_buf, uchar *c,
                   uint key_length);
#endif /* _rt_mbr_h */