1 /* Copyright (C) 2006 MySQL AB & Ramil Kalimullin & MySQL Finland AB 2 & TCX DataKonsult AB 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 02110-1335 USA */ 16 17 #ifndef _rt_mbr_h 18 #define _rt_mbr_h 19 20 #ifdef HAVE_RTREE_KEYS 21 22 int maria_rtree_key_cmp(HA_KEYSEG *keyseg, const uchar *a, const uchar *b, 23 uint key_length, uint32 nextflag); 24 int maria_rtree_combine_rect(const HA_KEYSEG *keyseg, 25 const uchar *, const uchar *, uchar*, 26 uint key_length); 27 double maria_rtree_rect_volume(HA_KEYSEG *keyseg, uchar*, uint key_length); 28 int maria_rtree_d_mbr(const HA_KEYSEG *keyseg, const uchar *a, 29 uint key_length, double *res); 30 double maria_rtree_overlapping_area(HA_KEYSEG *keyseg, uchar *a, uchar *b, 31 uint key_length); 32 double maria_rtree_area_increase(const HA_KEYSEG *keyseg, const uchar *a, 33 const uchar *b, 34 uint key_length, double *ab_area); 35 double maria_rtree_perimeter_increase(HA_KEYSEG *keyseg, uchar* a, uchar* b, 36 uint key_length, double *ab_perim); 37 int maria_rtree_page_mbr(const HA_KEYSEG *keyseg, MARIA_PAGE *page, 38 uchar *key, uint key_length); 39 #endif /*HAVE_RTREE_KEYS*/ 40 #endif /* _rt_mbr_h */ 41