-/* $NetBSD: ranf.c,v 1.4 1997/10/12 21:25:09 christos Exp $ */
+/* $NetBSD: ranf.c,v 1.7 2009/05/25 00:37:27 dholland Exp $ */
/*
* Copyright (c) 1980, 1993
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
#if 0
static char sccsid[] = "@(#)ranf.c 8.1 (Berkeley) 5/31/93";
#else
-__RCSID("$NetBSD: ranf.c,v 1.4 1997/10/12 21:25:09 christos Exp $");
+__RCSID("$NetBSD: ranf.c,v 1.7 2009/05/25 00:37:27 dholland Exp $");
#endif
#endif /* not lint */
#include <stdlib.h>
#include "trek.h"
+#define RANDOM_MAX 0x7fffffff
+
int
-ranf(max)
-int max;
+ranf(int max)
{
- int t;
-
if (max <= 0)
return (0);
- t = rand() >> 5;
- return (t % max);
+ return (random() % max);
}
-double franf()
+double
+franf(void)
{
- double t;
- t = rand() & 077777;
- return (t / 32767.0);
+ return random() / (double)RANDOM_MAX;
}