xref: /openbsd/lib/libc/stdlib/lcong48.c (revision 0d943ef0)
1 /*	$OpenBSD: lcong48.c,v 1.6 2015/09/13 08:31:47 guenther Exp $ */
2 /*
3  * Copyright (c) 1993 Martin Birgmeier
4  * All rights reserved.
5  *
6  * You may redistribute unmodified or modified versions of this source
7  * code provided that the above copyright notice and this and the
8  * following conditions are retained.
9  *
10  * This software is provided ``as is'', and comes with no warranties
11  * of any kind. I shall in no event be liable for anything that happens
12  * to anyone/anything when using this software.
13  */
14 
15 #include "rand48.h"
16 
17 void
lcong48(unsigned short p[7])18 lcong48(unsigned short p[7])
19 {
20 	lcong48_deterministic(p);
21 	__rand48_deterministic = 0;
22 }
23 
24 void
lcong48_deterministic(unsigned short p[7])25 lcong48_deterministic(unsigned short p[7])
26 {
27 	__rand48_deterministic = 1;
28 	__rand48_seed[0] = p[0];
29 	__rand48_seed[1] = p[1];
30 	__rand48_seed[2] = p[2];
31 	__rand48_mult[0] = p[3];
32 	__rand48_mult[1] = p[4];
33 	__rand48_mult[2] = p[5];
34 	__rand48_add = p[6];
35 }
36 DEF_WEAK(lcong48_deterministic);
37