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