1 /* $NetBSD: nrand48.c,v 1.8 2000/01/22 22:19:19 mycroft Exp $ */ 2 3 /* 4 * Copyright (c) 1993 Martin Birgmeier 5 * All rights reserved. 6 * 7 * You may redistribute unmodified or modified versions of this source 8 * code provided that the above copyright notice and this and the 9 * following conditions are retained. 10 * 11 * This software is provided ``as is'', and comes with no warranties 12 * of any kind. I shall in no event be liable for anything that happens 13 * to anyone/anything when using this software. 14 */ 15 16 #include "namespace.h" 17 18 #include <assert.h> 19 20 #include "rand48.h" 21 22 #ifdef __weak_alias 23 __weak_alias(nrand48,_nrand48) 24 #endif 25 26 long 27 nrand48(unsigned short xseed[3]) 28 { 29 _DIAGASSERT(xseed != NULL); 30 31 __dorand48(xseed); 32 return (long)((unsigned long) xseed[2] << 15) + 33 ((unsigned long) xseed[1] >> 1); 34 } 35