xref: /openbsd-src/lib/libc/stdlib/lcong48.c (revision 0d943ef019900239de431dfc98899a9f48f183de)
1*0d943ef0Sguenther /*	$OpenBSD: lcong48.c,v 1.6 2015/09/13 08:31:47 guenther Exp $ */
2df930be7Sderaadt /*
3df930be7Sderaadt  * Copyright (c) 1993 Martin Birgmeier
4df930be7Sderaadt  * All rights reserved.
5df930be7Sderaadt  *
6df930be7Sderaadt  * You may redistribute unmodified or modified versions of this source
7df930be7Sderaadt  * code provided that the above copyright notice and this and the
8df930be7Sderaadt  * following conditions are retained.
9df930be7Sderaadt  *
10df930be7Sderaadt  * This software is provided ``as is'', and comes with no warranties
11df930be7Sderaadt  * of any kind. I shall in no event be liable for anything that happens
12df930be7Sderaadt  * to anyone/anything when using this software.
13df930be7Sderaadt  */
14df930be7Sderaadt 
15df930be7Sderaadt #include "rand48.h"
16df930be7Sderaadt 
17df930be7Sderaadt void
lcong48(unsigned short p[7])18df930be7Sderaadt lcong48(unsigned short p[7])
19df930be7Sderaadt {
20f7510a6eSderaadt 	lcong48_deterministic(p);
21f7510a6eSderaadt 	__rand48_deterministic = 0;
22f7510a6eSderaadt }
23f7510a6eSderaadt 
24f7510a6eSderaadt void
lcong48_deterministic(unsigned short p[7])25f7510a6eSderaadt lcong48_deterministic(unsigned short p[7])
26f7510a6eSderaadt {
27f7510a6eSderaadt 	__rand48_deterministic = 1;
28df930be7Sderaadt 	__rand48_seed[0] = p[0];
29df930be7Sderaadt 	__rand48_seed[1] = p[1];
30df930be7Sderaadt 	__rand48_seed[2] = p[2];
31df930be7Sderaadt 	__rand48_mult[0] = p[3];
32df930be7Sderaadt 	__rand48_mult[1] = p[4];
33df930be7Sderaadt 	__rand48_mult[2] = p[5];
34df930be7Sderaadt 	__rand48_add = p[6];
35df930be7Sderaadt }
36*0d943ef0Sguenther DEF_WEAK(lcong48_deterministic);
37