new doc.mk; document numbering changes for 4.4BSD

[unix-history] / usr / src / games / trek / ranf.c

/*
 * Copyright (c) 1980, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * %sccs.include.redist.c%
 */

#ifndef lint
static char sccsid[] = "@(#)ranf.c	8.1 (Berkeley) %G%";
#endif /* not lint */

# include	<stdio.h>

ranf(max)
int	max;
{
	register int	t;

	if (max <= 0)
		return (0);
	t = rand() >> 5;
	return (t % max);
}


double franf()
{
	double		t;
	t = rand() & 077777;
	return (t / 32767.0);
}