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/* Copyright (C) 1995, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <stdlib.h>
#include <string.h>
int
seed48_r (seed16v, buffer)
unsigned short int seed16v[3];
struct drand48_data *buffer;
{
/* Save old value at a private place to be used as return value. */
memcpy (buffer->old_X, buffer->X, sizeof (buffer->X));
/* Install new state. */
#if USHRT_MAX == 0xffffU
buffer->X[2] = seed16v[2];
buffer->X[1] = seed16v[1];
buffer->X[0] = seed16v[0];
buffer->a[2] = 0x5;
buffer->a[1] = 0xdeec;
buffer->a[0] = 0xe66d;
#else
buffer->X[2] = (seed16v[2] << 16) | seed16v[1];
buffer->X[1] = seed16v[0] << 16;
buffer->X[0] = 0;
buffer->a[2] = 0x5deecUL;
buffer->a[1] = 0xe66d0000UL;
buffer->a[0] = 0;
#endif
buffer->c = 0xb;
buffer->init = 1;
return 0;
}
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