1 /* Copyright (C) 1995, 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
24 __seed48_r (seed16v, buffer)
25 unsigned short int seed16v[3];
26 struct drand48_data *buffer;
28 /* Save old value at a private place to be used as return value. */
29 memcpy (buffer->old_X, buffer->X, sizeof (buffer->X));
31 /* Install new state. */
32 #if USHRT_MAX == 0xffffU
33 buffer->X[2] = seed16v[2];
34 buffer->X[1] = seed16v[1];
35 buffer->X[0] = seed16v[0];
38 buffer->a[1] = 0xdeec;
39 buffer->a[0] = 0xe66d;
41 buffer->X[2] = (seed16v[2] << 16) | seed16v[1];
42 buffer->X[1] = seed16v[0] << 16;
45 buffer->a[2] = 0x5deecUL;
46 buffer->a[1] = 0xe66d0000UL;
54 weak_alias (__seed48_r, seed48_r)