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-rw-r--r--src/lib/libc/stdlib/_rand48.c47
1 files changed, 0 insertions, 47 deletions
diff --git a/src/lib/libc/stdlib/_rand48.c b/src/lib/libc/stdlib/_rand48.c
deleted file mode 100644
index 7c950f7cee..0000000000
--- a/src/lib/libc/stdlib/_rand48.c
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1/* $OpenBSD: _rand48.c,v 1.3 2005/08/08 08:05:36 espie 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
17unsigned short __rand48_seed[3] = {
18 RAND48_SEED_0,
19 RAND48_SEED_1,
20 RAND48_SEED_2
21};
22unsigned short __rand48_mult[3] = {
23 RAND48_MULT_0,
24 RAND48_MULT_1,
25 RAND48_MULT_2
26};
27unsigned short __rand48_add = RAND48_ADD;
28
29void
30__dorand48(unsigned short xseed[3])
31{
32 unsigned long accu;
33 unsigned short temp[2];
34
35 accu = (unsigned long) __rand48_mult[0] * (unsigned long) xseed[0] +
36 (unsigned long) __rand48_add;
37 temp[0] = (unsigned short) accu; /* lower 16 bits */
38 accu >>= sizeof(unsigned short) * 8;
39 accu += (unsigned long) __rand48_mult[0] * (unsigned long) xseed[1] +
40 (unsigned long) __rand48_mult[1] * (unsigned long) xseed[0];
41 temp[1] = (unsigned short) accu; /* middle 16 bits */
42 accu >>= sizeof(unsigned short) * 8;
43 accu += __rand48_mult[0] * xseed[2] + __rand48_mult[1] * xseed[1] + __rand48_mult[2] * xseed[0];
44 xseed[0] = temp[0];
45 xseed[1] = temp[1];
46 xseed[2] = (unsigned short) accu;
47}