1 1.10 matt /* $NetBSD: nrand48.c,v 1.10 2013/10/22 08:08:51 matt Exp $ */ 2 1.4 perry 3 1.1 brezak /* 4 1.1 brezak * Copyright (c) 1993 Martin Birgmeier 5 1.1 brezak * All rights reserved. 6 1.1 brezak * 7 1.1 brezak * You may redistribute unmodified or modified versions of this source 8 1.1 brezak * code provided that the above copyright notice and this and the 9 1.1 brezak * following conditions are retained. 10 1.1 brezak * 11 1.1 brezak * This software is provided ``as is'', and comes with no warranties 12 1.1 brezak * of any kind. I shall in no event be liable for anything that happens 13 1.1 brezak * to anyone/anything when using this software. 14 1.1 brezak */ 15 1.1 brezak 16 1.9 lukem #include <sys/cdefs.h> 17 1.9 lukem #if defined(LIBC_SCCS) && !defined(lint) 18 1.10 matt __RCSID("$NetBSD: nrand48.c,v 1.10 2013/10/22 08:08:51 matt Exp $"); 19 1.9 lukem #endif /* LIBC_SCCS and not lint */ 20 1.9 lukem 21 1.3 jtc #include "namespace.h" 22 1.6 lukem 23 1.6 lukem #include <assert.h> 24 1.6 lukem 25 1.1 brezak #include "rand48.h" 26 1.3 jtc 27 1.3 jtc #ifdef __weak_alias 28 1.8 mycroft __weak_alias(nrand48,_nrand48) 29 1.3 jtc #endif 30 1.1 brezak 31 1.1 brezak long 32 1.1 brezak nrand48(unsigned short xseed[3]) 33 1.1 brezak { 34 1.6 lukem _DIAGASSERT(xseed != NULL); 35 1.6 lukem 36 1.2 jtc __dorand48(xseed); 37 1.10 matt return xseed[2] * 32768 + (xseed[1] >> 1); 38 1.1 brezak } 39