split_q.h

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00001 /****************************************************************************
00002 * MODULE:       R-Tree library 
00003 *              
00004 * AUTHOR(S):    Antonin Guttman - original code
00005 *               Daniel Green (green@superliminal.com) - major clean-up
00006 *                               and implementation of bounding spheres
00007 *               
00008 * PURPOSE:      Multidimensional index
00009 *
00010 * COPYRIGHT:    (C) 2001 by the GRASS Development Team
00011 *
00012 *               This program is free software under the GNU General Public
00013 *               License (>=v2). Read the file COPYING that comes with GRASS
00014 *               for details.
00015 *****************************************************************************/
00016 
00017 /*-----------------------------------------------------------------------------
00018 | Definitions and global variables.
00019 -----------------------------------------------------------------------------*/
00020 
00021 #define METHODS 1
00022 
00023 #ifdef SPLIT_QC
00024 #define SPLIT_Q_GLOBAL
00025 #else
00026 #define SPLIT_Q_GLOBAL extern
00027 #endif
00028 
00029 SPLIT_Q_GLOBAL struct Branch BranchBuf[MAXCARD+1];
00030 SPLIT_Q_GLOBAL int BranchCount;
00031 SPLIT_Q_GLOBAL struct Rect CoverSplit;
00032 SPLIT_Q_GLOBAL RectReal CoverSplitArea;
00033 
00034 /* variables for finding a partition */
00035 SPLIT_Q_GLOBAL struct PartitionVars
00036 {
00037         int partition[MAXCARD+1];
00038         int total, minfill;
00039         int taken[MAXCARD+1];
00040         int count[2];
00041         struct Rect cover[2];
00042         RectReal area[2];
00043 } Partitions[METHODS];

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