random.h

来自「Scalable k-means software and test datas」· C头文件 代码 · 共 56 行

/* Scalable K-means clustering software
Copyright (C) 2000  Fredrik Farnstrom and James Lewis

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.


See the file README.TXT for more information.

*/

/* random.h */

#ifndef RANDOM_H
#define RANDOM_H

#ifndef COMMON_H
#include "common.h"
#endif

//REAL random(void);
//REAL seed(int s);

class RandomGenerator
{
	long nextRand;
public:
	RandomGenerator(void);
	RandomGenerator(int initseed);

	void seed(int s);
	REAL random(void);
	unsigned long randomInt(void);
	unsigned long randomInt(unsigned long range);
	unsigned long maxRandomInt(void);

	static RandomGenerator defaultRandomGenerator;
	static RandomGenerator *getDefaultRandomGenerator(void)
	{	return &defaultRandomGenerator;	}
};

#endif

/* End of file random.h */