Tree-M/PMT.h

#ifndef PMT_H
#define PMT_H

#include <GiSTlist.h>

typedef unsigned long velem;

class MT;

class PMT {
  MT *mt;

public: // easier. I don't care anyways
  int ndims;
  double min;
  double max;
  double steps;

  double maxDist;
  int elemsize;
  velem vzero;

  int distfast; // can distance be computed fast (integer arithmetic)
  double distmul; // then use this corrective factor

public:
  PMT(int ndims,
      double min,
      double max,
      double steps,
      unsigned int pagesize);
  ~PMT();
  void sync();
  void create(const char *path);
  void open(const char *path);
  void insert(double *k, int data);
  double distance(double *k1, double *k2) const;
  void range(double *k, double r) const;
  void top(double *k, int n) const;
  int maxlevel() const;
  //bulkload(PKey *o, int count);
};

#define ACC (current_pmt)
#define NDIMS (ACC->ndims)

extern const PMT *current_pmt;

extern void add_result(int data, double *k, int ndims);

#endif
Revision:	1.3
Committed:	Wed May 23 02:11:14 2001 UTC (25 years, 3 months ago) by root
Content type:	text/plain
Branch:	MAIN
CVS Tags:	HEAD
Changes since 1.2:	+12 -1 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	#ifndef PMT_H
2			#define PMT_H
3
4			#include <GiSTlist.h>
5
6	root	1.3	typedef unsigned long velem;
7
8	root	1.1	class MT;
9
10			class PMT {
11			MT *mt;
12
13			public: // easier. I don't care anyways
14			int ndims;
15			double min;
16			double max;
17			double steps;
18
19			double maxDist;
20			int elemsize;
21	root	1.3	velem vzero;
22
23			int distfast; // can distance be computed fast (integer arithmetic)
24			double distmul; // then use this corrective factor
25	root	1.1
26			public:
27	root	1.3	PMT(int ndims,
28			double min,
29			double max,
30			double steps,
31			unsigned int pagesize);
32	root	1.1	~PMT();
33	root	1.3	void sync();
34	root	1.1	void create(const char *path);
35			void open(const char *path);
36			void insert(double *k, int data);
37			double distance(double k1, double k2) const;
38			void range(double *k, double r) const;
39			void top(double *k, int n) const;
40	root	1.2	int maxlevel() const;
41	root	1.1	//bulkload(PKey *o, int count);
42			};
43
44			#define ACC (current_pmt)
45			#define NDIMS (ACC->ndims)
46
47			extern const PMT *current_pmt;
48
49	root	1.2	extern void add_result(int data, double *k, int ndims);
50	root	1.1
51			#endif