1 /* $NetBSD: seed48.c,v 1.8 2005/06/12 05:21:28 lukem 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 <sys/cdefs.h> 17 #if defined(LIBC_SCCS) && !defined(lint) 18 __RCSID("$NetBSD: seed48.c,v 1.8 2005/06/12 05:21:28 lukem Exp $"); 19 #endif /* LIBC_SCCS and not lint */ 20 21 #include "namespace.h" 22 23 #include <assert.h> 24 25 #include "rand48.h" 26 27 #ifdef __weak_alias 28 __weak_alias(seed48,_seed48) 29 #endif 30 31 unsigned short * 32 seed48(unsigned short xseed[3]) 33 { 34 static unsigned short sseed[3]; 35 36 _DIAGASSERT(xseed != NULL); 37 38 sseed[0] = __rand48_seed[0]; 39 sseed[1] = __rand48_seed[1]; 40 sseed[2] = __rand48_seed[2]; 41 __rand48_seed[0] = xseed[0]; 42 __rand48_seed[1] = xseed[1]; 43 __rand48_seed[2] = xseed[2]; 44 __rand48_mult[0] = RAND48_MULT_0; 45 __rand48_mult[1] = RAND48_MULT_1; 46 __rand48_mult[2] = RAND48_MULT_2; 47 __rand48_add = RAND48_ADD; 48 return sseed; 49 } 50
