1/* Copyright (c) 2002, 2004-2006 MySQL AB
2 Use is subject to license terms
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; version 2 of the License.
7
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
12
13 You should have received a copy of the GNU General Public License
14 along with this program; if not, write to the Free Software
15 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
16
17#ifndef _rt_mbr_h
18#define _rt_mbr_h
19
20#ifdef HAVE_RTREE_KEYS
21
22int rtree_key_cmp(HA_KEYSEG *keyseg, uchar *a, uchar *b, uint key_length,
23 uint nextflag);
24int rtree_combine_rect(HA_KEYSEG *keyseg,uchar *, uchar *, uchar*,
25 uint key_length);
26double rtree_rect_volume(HA_KEYSEG *keyseg, uchar*, uint key_length);
27int rtree_d_mbr(HA_KEYSEG *keyseg, uchar *a, uint key_length, double *res);
28double rtree_overlapping_area(HA_KEYSEG *keyseg, uchar *a, uchar *b,
29 uint key_length);
30double rtree_area_increase(HA_KEYSEG *keyseg, uchar *a, uchar *b,
31 uint key_length, double *ab_area);
32double rtree_perimeter_increase(HA_KEYSEG *keyseg, uchar* a, uchar* b,
33 uint key_length, double *ab_perim);
34int rtree_page_mbr(MI_INFO *info, HA_KEYSEG *keyseg, uchar *page_buf,
35 uchar* c, uint key_length);
36#endif /*HAVE_RTREE_KEYS*/
37#endif /* _rt_mbr_h */
38