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/* Copyright (C) 2000 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifndef _rt_mbr_h
#define _rt_mbr_h
#ifdef HAVE_RTREE_KEYS
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 /*HAVE_RTREE_KEYS*/
#endif /* _rt_mbr_h */
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