File: card.h

package info (click to toggle)
grass 6.4.4-1
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 104,028 kB
  • ctags: 40,409
  • sloc: ansic: 419,980; python: 63,559; tcl: 46,692; cpp: 29,791; sh: 18,564; makefile: 7,000; xml: 3,505; yacc: 561; perl: 559; lex: 480; sed: 70; objc: 7
file content (32 lines) | stat: -rw-r--r-- 1,051 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

/****************************************************************************
* MODULE:       R-Tree library 
*              
* AUTHOR(S):    Antonin Guttman - original code
*               Daniel Green (green@superliminal.com) - major clean-up
*                               and implementation of bounding spheres
*               
* PURPOSE:      Multidimensional index
*
* COPYRIGHT:    (C) 2001 by the GRASS Development Team
*
*               This program is free software under the GNU General Public
*               License (>=v2). Read the file COPYING that comes with GRASS
*               for details.
*****************************************************************************/

#ifndef __CARD__
#define __CARD__

extern int NODECARD;
extern int LEAFCARD;

/* balance criteria for node splitting */
/* NOTE: can be changed if needed. */
#define MinNodeFill (NODECARD / 2)
#define MinLeafFill (LEAFCARD / 2)

#define MAXKIDS(n) ((n)->level > 0 ? NODECARD : LEAFCARD)
#define MINFILL(n) ((n)->level > 0 ? MinNodeFill : MinLeafFill)

#endif