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/* Copyright (C) 2006 MySQL AB & Ramil Kalimullin & MySQL Finland AB
& TCX DataKonsult AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
#ifndef _rt_mbr_h
#define _rt_mbr_h
#ifdef HAVE_RTREE_KEYS
int maria_rtree_key_cmp(HA_KEYSEG *keyseg, const uchar *a, const uchar *b,
uint key_length, uint32 nextflag);
int maria_rtree_combine_rect(const HA_KEYSEG *keyseg,
const uchar *, const uchar *, uchar*,
uint key_length);
double maria_rtree_rect_volume(HA_KEYSEG *keyseg, uchar*, uint key_length);
int maria_rtree_d_mbr(const HA_KEYSEG *keyseg, const uchar *a,
uint key_length, double *res);
double maria_rtree_overlapping_area(HA_KEYSEG *keyseg, uchar *a, uchar *b,
uint key_length);
double maria_rtree_area_increase(const HA_KEYSEG *keyseg, const uchar *a,
const uchar *b,
uint key_length, double *ab_area);
double maria_rtree_perimeter_increase(HA_KEYSEG *keyseg, uchar* a, uchar* b,
uint key_length, double *ab_perim);
int maria_rtree_page_mbr(const HA_KEYSEG *keyseg, MARIA_PAGE *page,
uchar *key, uint key_length);
#endif /*HAVE_RTREE_KEYS*/
#endif /* _rt_mbr_h */
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