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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 <mailto: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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stdlib.h>
extern int __drand48_iterate(unsigned short xsubi[3],
struct drand48_data *buffer);
int nrand48_r (xsubi, buffer, result)
unsigned short int xsubi[3];
struct drand48_data *buffer;
long int *result;
{
/* Compute next state. */
if (__drand48_iterate (xsubi, buffer) < 0)
return -1;
/* Store the result. */
if (sizeof (unsigned short int) == 2)
*result = xsubi[2] << 15 | xsubi[1] >> 1;
else
*result = xsubi[2] >> 1;
return 0;
}
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