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dc30f461 | 1 | /* Copyright (C) 1995, 1997, 1998 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. | |
60478656 | 4 | |
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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. | |
60478656 | 9 | |
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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. | |
60478656 | 14 | |
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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. */ | |
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19 | |
20 | #include <stdlib.h> | |
84724245 | 21 | #include <string.h> |
779ae82e | 22 | #include <limits.h> |
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23 | |
24 | int | |
47f13fd4 | 25 | __seed48_r (seed16v, buffer) |
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26 | unsigned short int seed16v[3]; |
27 | struct drand48_data *buffer; | |
28 | { | |
60478656 | 29 | /* Save old value at a private place to be used as return value. */ |
dc30f461 | 30 | memcpy (buffer->old_x, buffer->x, sizeof (buffer->x)); |
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31 | |
32 | /* Install new state. */ | |
b4012b75 | 33 | #if USHRT_MAX == 0xffffU |
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34 | buffer->x[2] = seed16v[2]; |
35 | buffer->x[1] = seed16v[1]; | |
36 | buffer->x[0] = seed16v[0]; | |
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37 | |
38 | buffer->a[2] = 0x5; | |
39 | buffer->a[1] = 0xdeec; | |
40 | buffer->a[0] = 0xe66d; | |
41 | #else | |
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42 | buffer->x[2] = (seed16v[2] << 16) | seed16v[1]; |
43 | buffer->x[1] = seed16v[0] << 16; | |
44 | buffer->x[0] = 0; | |
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45 | |
46 | buffer->a[2] = 0x5deecUL; | |
47 | buffer->a[1] = 0xe66d0000UL; | |
48 | buffer->a[0] = 0; | |
49 | #endif | |
50 | buffer->c = 0xb; | |
51 | buffer->init = 1; | |
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52 | |
53 | return 0; | |
54 | } | |
47f13fd4 | 55 | weak_alias (__seed48_r, seed48_r) |