/* Copyright (c) 2002, 2004-2006 MySQL AB
Use is subject to license terms
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
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 */
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